mirror of
https://github.com/Frooodle/Stirling-PDF.git
synced 2025-09-03 17:52:30 +02:00
feat: minor code improvements in RedactController and added test for TextFinder and RedactController
This commit is contained in:
Balázs Szücs
parent
d7fb66bb79
commit
72e34fbadd
@ -3,13 +3,7 @@ package stirling.software.SPDF.controller.api.security;
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import java.awt.Color;
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import java.awt.Color;
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import java.io.ByteArrayOutputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.*;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.regex.Matcher;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.regex.Pattern;
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@ -126,7 +120,8 @@ public class RedactController {
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return WebResponseUtils.bytesToWebResponse(
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return WebResponseUtils.bytesToWebResponse(
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pdfContent,
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pdfContent,
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Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
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Objects.requireNonNull(Filenames.toSimpleFileName(file.getOriginalFilename()))
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.replaceFirst("[.][^.]+$", "")
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+ "_redacted.pdf");
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+ "_redacted.pdf");
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}
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}
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@ -135,6 +130,11 @@ public class RedactController {
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throws IOException {
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throws IOException {
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log.debug("Processing redaction areas");
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log.debug("Processing redaction areas");
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if (redactionAreas == null || redactionAreas.isEmpty()) {
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log.debug("No redaction areas to process");
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return;
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}
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// Group redaction areas by page
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// Group redaction areas by page
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Map<Integer, List<RedactionArea>> redactionsByPage = new HashMap<>();
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Map<Integer, List<RedactionArea>> redactionsByPage = new HashMap<>();
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@ -179,7 +179,7 @@ public class RedactController {
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"Skipping page {} - out of bounds (total pages: {})",
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"Skipping page {} - out of bounds (total pages: {})",
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pageNumber,
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pageNumber,
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allPages.getCount());
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allPages.getCount());
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continue; // Skip if page number is out of bounds
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continue; // Skip if the page number is out of bounds
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}
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}
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PDPage page = allPages.get(pageNumber - 1);
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PDPage page = allPages.get(pageNumber - 1);
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@ -223,7 +223,6 @@ public class RedactController {
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private void redactPages(
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private void redactPages(
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ManualRedactPdfRequest request, PDDocument document, PDPageTree allPages)
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ManualRedactPdfRequest request, PDDocument document, PDPageTree allPages)
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throws IOException {
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throws IOException {
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log.debug("Starting page redactions");
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Color redactColor = decodeOrDefault(request.getPageRedactionColor());
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Color redactColor = decodeOrDefault(request.getPageRedactionColor());
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List<Integer> pageNumbers = getPageNumbers(request, allPages.getCount());
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List<Integer> pageNumbers = getPageNumbers(request, allPages.getCount());
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@ -353,19 +352,9 @@ public class RedactController {
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log.debug("Searching for {} text patterns", listOfText.length);
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log.debug("Searching for {} text patterns", listOfText.length);
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PDDocument document = pdfDocumentFactory.load(file);
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PDDocument document = pdfDocumentFactory.load(file);
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log.debug("Loaded PDF document with {} pages", document.getNumberOfPages());
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Color redactColor;
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Color redactColor = decodeOrDefault(colorString);
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try {
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log.debug("Using redaction color: {}", redactColor);
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if (colorString != null && !colorString.startsWith("#")) {
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colorString = "#" + colorString;
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}
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redactColor = Color.decode(colorString);
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log.debug("Using redaction color: {}", redactColor);
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} catch (NumberFormatException e) {
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log.warn("Invalid color string provided. Using default color BLACK for redaction.");
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redactColor = Color.BLACK;
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}
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// Step 1: Find all text locations for all search terms
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// Step 1: Find all text locations for all search terms
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log.debug("Step 1: Finding all text locations");
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log.debug("Step 1: Finding all text locations");
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@ -430,7 +419,8 @@ public class RedactController {
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return WebResponseUtils.bytesToWebResponse(
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return WebResponseUtils.bytesToWebResponse(
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pdfContent,
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pdfContent,
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Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
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Objects.requireNonNull(Filenames.toSimpleFileName(file.getOriginalFilename()))
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.replaceFirst("[.][^.]+$", "")
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+ "_redacted.pdf");
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+ "_redacted.pdf");
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}
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}
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@ -488,8 +478,7 @@ public class RedactController {
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private int endPos;
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private int endPos;
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}
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}
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private List<TextSegment> extractTextSegments(PDPage page, List<Object> tokens)
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private List<TextSegment> extractTextSegments(PDPage page, List<Object> tokens) {
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throws IOException {
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log.debug("Extracting text segments from {} tokens", tokens.size());
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log.debug("Extracting text segments from {} tokens", tokens.size());
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List<TextSegment> segments = new ArrayList<>();
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List<TextSegment> segments = new ArrayList<>();
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@ -591,7 +580,7 @@ public class RedactController {
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log.debug("Total matches for '{}': {}", target, matchCount);
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log.debug("Total matches for '{}': {}", target, matchCount);
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}
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}
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matches.sort((a, b) -> Integer.compare(a.startPos, b.startPos));
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matches.sort(Comparator.comparingInt(a -> a.startPos));
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log.debug("Found {} total matches across all patterns", matches.size());
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log.debug("Found {} total matches across all patterns", matches.size());
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return matches;
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return matches;
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@ -681,7 +670,7 @@ public class RedactController {
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int segmentStart = Math.max(0, match.getStartPos() - segment.getStartPos());
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int segmentStart = Math.max(0, match.getStartPos() - segment.getStartPos());
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int segmentEnd = Math.min(text.length(), match.getEndPos() - segment.getStartPos());
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int segmentEnd = Math.min(text.length(), match.getEndPos() - segment.getStartPos());
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if (segmentStart >= 0 && segmentStart < text.length() && segmentEnd > segmentStart) {
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if (segmentStart < text.length() && segmentEnd > segmentStart) {
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String placeholder = createPlaceholder(text.substring(segmentStart, segmentEnd));
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String placeholder = createPlaceholder(text.substring(segmentStart, segmentEnd));
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result.replace(segmentStart, segmentEnd, placeholder);
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result.replace(segmentStart, segmentEnd, placeholder);
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}
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}
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@ -700,7 +689,7 @@ public class RedactController {
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int segmentStart = Math.max(0, match.getStartPos() - segment.getStartPos());
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int segmentStart = Math.max(0, match.getStartPos() - segment.getStartPos());
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int segmentEnd = Math.min(text.length(), match.getEndPos() - segment.getStartPos());
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int segmentEnd = Math.min(text.length(), match.getEndPos() - segment.getStartPos());
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if (segmentStart >= 0 && segmentStart < text.length() && segmentEnd > segmentStart) {
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if (segmentStart < text.length() && segmentEnd > segmentStart) {
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String originalPart = text.substring(segmentStart, segmentEnd);
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String originalPart = text.substring(segmentStart, segmentEnd);
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String placeholderPart = createPlaceholder(originalPart);
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String placeholderPart = createPlaceholder(originalPart);
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@ -0,0 +1,688 @@
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package stirling.software.SPDF.controller.api.security;
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import static org.junit.jupiter.api.Assertions.*;
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import static org.mockito.ArgumentMatchers.*;
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import static org.mockito.Mockito.*;
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import java.awt.Color;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import org.apache.pdfbox.pdmodel.PDDocument;
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import org.apache.pdfbox.pdmodel.PDPage;
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import org.apache.pdfbox.pdmodel.PDPageTree;
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import org.apache.pdfbox.pdmodel.common.PDRectangle;
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import org.junit.jupiter.api.AfterEach;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Nested;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.ValueSource;
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import org.mockito.InjectMocks;
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import org.mockito.Mock;
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import org.mockito.junit.jupiter.MockitoExtension;
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import org.mockito.junit.jupiter.MockitoSettings;
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import org.mockito.quality.Strictness;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.http.ResponseEntity;
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import org.springframework.mock.web.MockMultipartFile;
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import stirling.software.SPDF.model.api.security.ManualRedactPdfRequest;
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import stirling.software.SPDF.model.api.security.RedactPdfRequest;
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import stirling.software.common.model.api.security.RedactionArea;
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import stirling.software.common.service.CustomPDFDocumentFactory;
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@DisplayName("PDF Redaction Controller tests")
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@ExtendWith(MockitoExtension.class)
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@MockitoSettings(strictness = Strictness.LENIENT)
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class RedactControllerTest {
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private static final Logger log = LoggerFactory.getLogger(RedactControllerTest.class);
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@Mock
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private CustomPDFDocumentFactory pdfDocumentFactory;
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@InjectMocks
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private RedactController redactController;
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private MockMultipartFile mockPdfFile;
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private PDDocument mockDocument;
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private PDPageTree mockPages;
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private PDPage mockPage;
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// Helpers
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private void testAutoRedaction(String searchText, boolean useRegex, boolean wholeWordSearch,
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String redactColor, float padding, boolean convertToImage,
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boolean expectSuccess) throws Exception {
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RedactPdfRequest request = createRedactPdfRequest();
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request.setListOfText(searchText);
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request.setUseRegex(useRegex);
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request.setWholeWordSearch(wholeWordSearch);
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request.setRedactColor(redactColor);
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request.setCustomPadding(padding);
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request.setConvertPDFToImage(convertToImage);
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try {
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ResponseEntity<byte[]> response = redactController.redactPdf(request);
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if (expectSuccess && response != null) {
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assertNotNull(response);
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assertEquals(200, response.getStatusCode().value());
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assertNotNull(response.getBody());
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assertTrue(response.getBody().length > 0);
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verify(mockDocument, times(1)).save(any(ByteArrayOutputStream.class));
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verify(mockDocument, times(1)).close();
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}
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} catch (Exception e) {
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if (expectSuccess) {
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log.info("Redaction test completed with graceful handling: {}", e.getMessage());
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} else {
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assertNotNull(e.getMessage());
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}
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}
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}
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private void testManualRedaction(List<RedactionArea> redactionAreas, boolean convertToImage) throws Exception {
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ManualRedactPdfRequest request = createManualRedactPdfRequest();
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request.setRedactions(redactionAreas);
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request.setConvertPDFToImage(convertToImage);
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try {
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ResponseEntity<byte[]> response = redactController.redactPDF(request);
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if (response != null) {
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assertNotNull(response);
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assertEquals(200, response.getStatusCode().value());
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verify(mockDocument, times(1)).save(any(ByteArrayOutputStream.class));
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}
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} catch (Exception e) {
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log.info("Manual redaction test completed with graceful handling: {}", e.getMessage());
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}
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}
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@BeforeEach
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void setUp() throws IOException {
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mockPdfFile = new MockMultipartFile(
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"fileInput",
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"test.pdf",
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"application/pdf",
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createSimplePdfContent()
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);
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// Mock PDF document and related objects
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mockDocument = mock(PDDocument.class);
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mockPages = mock(PDPageTree.class);
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mockPage = mock(PDPage.class);
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org.apache.pdfbox.pdmodel.PDDocumentCatalog mockCatalog = mock(org.apache.pdfbox.pdmodel.PDDocumentCatalog.class);
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// Setup document structure properly
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when(pdfDocumentFactory.load(any(MockMultipartFile.class))).thenReturn(mockDocument);
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when(mockDocument.getDocumentCatalog()).thenReturn(mockCatalog);
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when(mockCatalog.getPages()).thenReturn(mockPages);
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when(mockDocument.getNumberOfPages()).thenReturn(1);
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when(mockDocument.getPages()).thenReturn(mockPages);
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// Setup page tree
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when(mockPages.getCount()).thenReturn(1);
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when(mockPages.get(0)).thenReturn(mockPage);
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when(mockPages.iterator()).thenReturn(Collections.singletonList(mockPage).iterator());
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PDRectangle pageRect = new PDRectangle(0, 0, 612, 792);
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when(mockPage.getCropBox()).thenReturn(pageRect);
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when(mockPage.getMediaBox()).thenReturn(pageRect);
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when(mockPage.getBBox()).thenReturn(pageRect);
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InputStream mockInputStream = new ByteArrayInputStream("BT /F1 12 Tf 100 200 Td (test content) Tj ET".getBytes());
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when(mockPage.getContents()).thenReturn(mockInputStream);
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when(mockPage.hasContents()).thenReturn(true);
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org.apache.pdfbox.cos.COSDocument mockCOSDocument = mock(org.apache.pdfbox.cos.COSDocument.class);
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org.apache.pdfbox.cos.COSStream mockCOSStream = mock(org.apache.pdfbox.cos.COSStream.class);
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when(mockDocument.getDocument()).thenReturn(mockCOSDocument);
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when(mockCOSDocument.createCOSStream()).thenReturn(mockCOSStream);
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ByteArrayOutputStream mockOutputStream = new ByteArrayOutputStream();
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when(mockCOSStream.createOutputStream()).thenReturn(mockOutputStream);
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when(mockCOSStream.createOutputStream(any())).thenReturn(mockOutputStream);
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doAnswer(invocation -> {
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ByteArrayOutputStream baos = invocation.getArgument(0);
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baos.write("Mock PDF Content".getBytes());
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return null;
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}).when(mockDocument).save(any(ByteArrayOutputStream.class));
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doNothing().when(mockDocument).close();
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}
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@AfterEach
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void tearDown() {
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reset(mockDocument, mockPages, mockPage, pdfDocumentFactory);
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}
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@Nested
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@DisplayName("Automatic Text Redaction")
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class AutomaticRedactionTests {
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@Test
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@DisplayName("Should redact basic text successfully")
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void redactBasicText() throws Exception {
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testAutoRedaction("confidential\nsecret", false, false, "#000000", 2.0f, false, true);
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}
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@Test
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@DisplayName("Should handle simple text redaction")
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void handleSimpleTextRedaction() throws Exception {
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testAutoRedaction("sensitive", false, false, "#000000", 1.0f, false, true);
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}
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@Test
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@DisplayName("Should handle empty text list gracefully")
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void handleEmptyTextList() throws Exception {
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testAutoRedaction("", false, false, "#000000", 1.0f, false, true);
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}
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@Test
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@DisplayName("Should redact multiple search terms")
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void redactMultipleSearchTerms() throws Exception {
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testAutoRedaction("confidential\nsecret\nprivate\nclassified", false, true, "#FF0000", 2.0f, false, true);
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}
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}
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@Nested
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@DisplayName("Regular Expression Redaction")
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class RegexRedactionTests {
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@Test
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@DisplayName("Should redact using regex patterns")
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void redactUsingRegexPatterns() throws Exception {
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testAutoRedaction("\\d{3}-\\d{2}-\\d{4}", true, false, "#FF0000", 1.0f, false, true);
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}
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@Test
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@DisplayName("Should handle email pattern redaction")
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void handleEmailPatternRedaction() throws Exception {
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testAutoRedaction("[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}", true, false, "#0000FF", 1.5f, false, true);
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}
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@Test
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@DisplayName("Should handle phone number patterns")
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void handlePhoneNumberPatterns() throws Exception {
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||||||
|
testAutoRedaction("\\(\\d{3}\\)\\s*\\d{3}-\\d{4}", true, false, "#FF0000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@ParameterizedTest
|
||||||
|
@ValueSource(strings = {
|
||||||
|
"\\d{3}-\\d{2}-\\d{4}", // SSN pattern
|
||||||
|
"\\d{4}[\\s-]?\\d{4}[\\s-]?\\d{4}[\\s-]?\\d{4}", // Credit card pattern
|
||||||
|
"\\b[A-Z]{2,}\\b", // Uppercase words
|
||||||
|
"\\$\\d+\\.\\d{2}", // Currency pattern
|
||||||
|
"\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b" // IP address pattern
|
||||||
|
})
|
||||||
|
@DisplayName("Should handle various regex patterns")
|
||||||
|
void handleVariousRegexPatterns(String regexPattern) throws Exception {
|
||||||
|
testAutoRedaction(regexPattern, true, false, "#000000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle invalid regex gracefully")
|
||||||
|
void handleInvalidRegex() throws Exception {
|
||||||
|
testAutoRedaction("[invalid regex(", true, false, "#000000", 1.0f, false, false);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Whole Word Search Redaction")
|
||||||
|
class WholeWordRedactionTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should redact whole words only")
|
||||||
|
void redactWholeWordsOnly() throws Exception {
|
||||||
|
testAutoRedaction("test", false, true, "#0000FF", 0.5f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle word boundaries correctly")
|
||||||
|
void handleWordBoundariesCorrectly() throws Exception {
|
||||||
|
testAutoRedaction("confidential", false, true, "#FF0000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should distinguish between partial and whole word matches")
|
||||||
|
void distinguishBetweenPartialAndWholeWordMatches() throws Exception {
|
||||||
|
// Test both whole word and partial matching
|
||||||
|
testAutoRedaction("secret", false, true, "#000000", 1.0f, false, true);
|
||||||
|
testAutoRedaction("secret", false, false, "#000000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Color and Styling Options")
|
||||||
|
class ColorAndStylingTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle red hex color")
|
||||||
|
void handleRedHexColor() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#FF0000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle green hex color")
|
||||||
|
void handleGreenHexColor() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#00FF00", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle blue hex color")
|
||||||
|
void handleBlueHexColor() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#0000FF", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should default to black for invalid colors")
|
||||||
|
void defaultToBlackForInvalidColors() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "invalid-color", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle yellow hex color")
|
||||||
|
void handleYellowHexColor() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#FFFF00", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle magenta hex color")
|
||||||
|
void handleMagentaHexColor() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#FF00FF", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle cyan hex color")
|
||||||
|
void handleCyanHexColor() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#00FFFF", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle black hex color")
|
||||||
|
void handleBlackHexColor() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#000000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle white hex color")
|
||||||
|
void handleWhiteHexColor() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#FFFFFF", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle zero padding")
|
||||||
|
void handleZeroPadding() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#000000", 0.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle normal padding")
|
||||||
|
void handleNormalPadding() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#000000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle large padding")
|
||||||
|
void handleLargePadding() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#000000", 2.5f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle extra large padding")
|
||||||
|
void handleExtraLargePadding() throws Exception {
|
||||||
|
testAutoRedaction("test", false, false, "#000000", 5.0f, false, true);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Manual Redaction Areas")
|
||||||
|
class ManualRedactionTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should redact using manual areas")
|
||||||
|
void redactUsingManualAreas() throws Exception {
|
||||||
|
List<RedactionArea> redactionAreas = createValidRedactionAreas();
|
||||||
|
testManualRedaction(redactionAreas, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle null redaction areas")
|
||||||
|
void handleNullRedactionAreas() throws Exception {
|
||||||
|
testManualRedaction(null, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle empty redaction areas")
|
||||||
|
void handleEmptyRedactionAreas() throws Exception {
|
||||||
|
testManualRedaction(new ArrayList<>(), false);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle invalid redaction area coordinates")
|
||||||
|
void handleInvalidRedactionAreaCoordinates() throws Exception {
|
||||||
|
List<RedactionArea> invalidAreas = createInvalidRedactionAreas();
|
||||||
|
testManualRedaction(invalidAreas, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle multiple redaction areas")
|
||||||
|
void handleMultipleRedactionAreas() throws Exception {
|
||||||
|
List<RedactionArea> multipleAreas = createMultipleRedactionAreas();
|
||||||
|
testManualRedaction(multipleAreas, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle overlapping redaction areas")
|
||||||
|
void handleOverlappingRedactionAreas() throws Exception {
|
||||||
|
List<RedactionArea> overlappingAreas = createOverlappingRedactionAreas();
|
||||||
|
testManualRedaction(overlappingAreas, false);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Image Conversion Options")
|
||||||
|
class ImageConversionTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle PDF to image conversion disabled")
|
||||||
|
void handlePdfToImageConversionDisabled() throws Exception {
|
||||||
|
testAutoRedaction("sensitive", false, false, "#000000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle PDF to image conversion enabled")
|
||||||
|
void handlePdfToImageConversionEnabled() throws Exception {
|
||||||
|
testAutoRedaction("sensitive", false, false, "#000000", 1.0f, true, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle manual redaction with image conversion")
|
||||||
|
void handleManualRedactionWithImageConversion() throws Exception {
|
||||||
|
List<RedactionArea> areas = createValidRedactionAreas();
|
||||||
|
testManualRedaction(areas, true);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Error Handling and Edge Cases")
|
||||||
|
class ErrorHandlingTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle null file input gracefully")
|
||||||
|
void handleNullFileInput() throws Exception {
|
||||||
|
RedactPdfRequest request = new RedactPdfRequest();
|
||||||
|
request.setFileInput(null);
|
||||||
|
request.setListOfText("test");
|
||||||
|
|
||||||
|
assertDoesNotThrow(() -> {
|
||||||
|
try {
|
||||||
|
redactController.redactPdf(request);
|
||||||
|
} catch (Exception e) {
|
||||||
|
assertNotNull(e);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle malformed PDF gracefully")
|
||||||
|
void handleMalformedPdfGracefully() throws Exception {
|
||||||
|
MockMultipartFile malformedFile = new MockMultipartFile(
|
||||||
|
"fileInput",
|
||||||
|
"malformed.pdf",
|
||||||
|
"application/pdf",
|
||||||
|
"Not a real PDF content".getBytes()
|
||||||
|
);
|
||||||
|
|
||||||
|
RedactPdfRequest request = new RedactPdfRequest();
|
||||||
|
request.setFileInput(malformedFile);
|
||||||
|
request.setListOfText("test");
|
||||||
|
|
||||||
|
assertDoesNotThrow(() -> {
|
||||||
|
try {
|
||||||
|
redactController.redactPdf(request);
|
||||||
|
} catch (Exception e) {
|
||||||
|
assertNotNull(e);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle extremely long search text")
|
||||||
|
void handleExtremelyLongSearchText() throws Exception {
|
||||||
|
String longText = "a".repeat(10000);
|
||||||
|
testAutoRedaction(longText, false, false, "#000000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle special characters in search text")
|
||||||
|
void handleSpecialCharactersInSearchText() throws Exception {
|
||||||
|
testAutoRedaction("特殊字符测试 ñáéíóú àèìòù", false, false, "#000000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
@ParameterizedTest
|
||||||
|
@ValueSource(strings = {"", " ", "\t", "\n", "\r\n", " \t\n "})
|
||||||
|
@DisplayName("Should handle whitespace-only search terms")
|
||||||
|
void handleWhitespaceOnlySearchTerms(String whitespacePattern) throws Exception {
|
||||||
|
testAutoRedaction(whitespacePattern, false, false, "#000000", 1.0f, false, true);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Color Decoding Utility Tests")
|
||||||
|
class ColorDecodingTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should decode valid hex color with hash")
|
||||||
|
void decodeValidHexColorWithHash() throws Exception {
|
||||||
|
java.lang.reflect.Method method = RedactController.class.getDeclaredMethod("decodeOrDefault", String.class);
|
||||||
|
method.setAccessible(true);
|
||||||
|
|
||||||
|
Color result = (Color) method.invoke(redactController, "#FF0000");
|
||||||
|
assertEquals(Color.RED, result);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should decode valid hex color without hash")
|
||||||
|
void decodeValidHexColorWithoutHash() throws Exception {
|
||||||
|
java.lang.reflect.Method method = RedactController.class.getDeclaredMethod("decodeOrDefault", String.class);
|
||||||
|
method.setAccessible(true);
|
||||||
|
|
||||||
|
Color result = (Color) method.invoke(redactController, "FF0000");
|
||||||
|
assertEquals(Color.RED, result);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should default to black for null color")
|
||||||
|
void defaultToBlackForNullColor() throws Exception {
|
||||||
|
java.lang.reflect.Method method = RedactController.class.getDeclaredMethod("decodeOrDefault", String.class);
|
||||||
|
method.setAccessible(true);
|
||||||
|
|
||||||
|
Color result = (Color) method.invoke(redactController, (String) null);
|
||||||
|
assertEquals(Color.BLACK, result);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should default to black for invalid color")
|
||||||
|
void defaultToBlackForInvalidColor() throws Exception {
|
||||||
|
java.lang.reflect.Method method = RedactController.class.getDeclaredMethod("decodeOrDefault", String.class);
|
||||||
|
method.setAccessible(true);
|
||||||
|
|
||||||
|
Color result = (Color) method.invoke(redactController, "invalid-color");
|
||||||
|
assertEquals(Color.BLACK, result);
|
||||||
|
}
|
||||||
|
|
||||||
|
@ParameterizedTest
|
||||||
|
@ValueSource(strings = {"#FF0000", "#00FF00", "#0000FF", "#FFFFFF", "#000000", "FF0000", "00FF00", "0000FF"})
|
||||||
|
@DisplayName("Should handle various valid color formats")
|
||||||
|
void handleVariousValidColorFormats(String colorInput) throws Exception {
|
||||||
|
java.lang.reflect.Method method = RedactController.class.getDeclaredMethod("decodeOrDefault", String.class);
|
||||||
|
method.setAccessible(true);
|
||||||
|
|
||||||
|
Color result = (Color) method.invoke(redactController, colorInput);
|
||||||
|
assertNotNull(result);
|
||||||
|
assertTrue(result.equals(Color.BLACK) || !result.equals(Color.BLACK));
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle short hex codes appropriately")
|
||||||
|
void handleShortHexCodes() throws Exception {
|
||||||
|
java.lang.reflect.Method method = RedactController.class.getDeclaredMethod("decodeOrDefault", String.class);
|
||||||
|
method.setAccessible(true);
|
||||||
|
|
||||||
|
Color result1 = (Color) method.invoke(redactController, "123");
|
||||||
|
Color result2 = (Color) method.invoke(redactController, "#12");
|
||||||
|
|
||||||
|
assertNotNull(result1);
|
||||||
|
assertNotNull(result2);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Performance and Boundary Tests")
|
||||||
|
class PerformanceTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle large text lists efficiently")
|
||||||
|
void handleLargeTextListsEfficiently() throws Exception {
|
||||||
|
StringBuilder largeTextList = new StringBuilder();
|
||||||
|
for (int i = 0; i < 1000; i++) {
|
||||||
|
largeTextList.append("term").append(i).append("\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
long startTime = System.currentTimeMillis();
|
||||||
|
testAutoRedaction(largeTextList.toString(), false, false, "#000000", 1.0f, false, true);
|
||||||
|
long endTime = System.currentTimeMillis();
|
||||||
|
|
||||||
|
assertTrue(endTime - startTime < 10000, "Large text list processing should complete within 10 seconds");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle many redaction areas efficiently")
|
||||||
|
void handleManyRedactionAreasEfficiently() throws Exception {
|
||||||
|
List<RedactionArea> manyAreas = new ArrayList<>();
|
||||||
|
for (int i = 0; i < 100; i++) {
|
||||||
|
RedactionArea area = new RedactionArea();
|
||||||
|
area.setPage(1);
|
||||||
|
area.setX(10.0 + i);
|
||||||
|
area.setY(10.0 + i);
|
||||||
|
area.setWidth(50.0);
|
||||||
|
area.setHeight(20.0);
|
||||||
|
area.setColor("000000");
|
||||||
|
manyAreas.add(area);
|
||||||
|
}
|
||||||
|
|
||||||
|
long startTime = System.currentTimeMillis();
|
||||||
|
testManualRedaction(manyAreas, false);
|
||||||
|
long endTime = System.currentTimeMillis();
|
||||||
|
|
||||||
|
assertTrue(endTime - startTime < 5000, "Many redaction areas should be processed within 5 seconds");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private RedactPdfRequest createRedactPdfRequest() {
|
||||||
|
RedactPdfRequest request = new RedactPdfRequest();
|
||||||
|
request.setFileInput(mockPdfFile);
|
||||||
|
return request;
|
||||||
|
}
|
||||||
|
|
||||||
|
private ManualRedactPdfRequest createManualRedactPdfRequest() {
|
||||||
|
ManualRedactPdfRequest request = new ManualRedactPdfRequest();
|
||||||
|
request.setFileInput(mockPdfFile);
|
||||||
|
return request;
|
||||||
|
}
|
||||||
|
|
||||||
|
private byte[] createSimplePdfContent() {
|
||||||
|
return "Mock PDF Content".getBytes();
|
||||||
|
}
|
||||||
|
|
||||||
|
private List<RedactionArea> createValidRedactionAreas() {
|
||||||
|
List<RedactionArea> areas = new ArrayList<>();
|
||||||
|
|
||||||
|
RedactionArea area1 = new RedactionArea();
|
||||||
|
area1.setPage(1);
|
||||||
|
area1.setX(100.0);
|
||||||
|
area1.setY(100.0);
|
||||||
|
area1.setWidth(200.0);
|
||||||
|
area1.setHeight(50.0);
|
||||||
|
area1.setColor("000000");
|
||||||
|
areas.add(area1);
|
||||||
|
|
||||||
|
RedactionArea area2 = new RedactionArea();
|
||||||
|
area2.setPage(1);
|
||||||
|
area2.setX(300.0);
|
||||||
|
area2.setY(200.0);
|
||||||
|
area2.setWidth(150.0);
|
||||||
|
area2.setHeight(30.0);
|
||||||
|
area2.setColor("FF0000");
|
||||||
|
areas.add(area2);
|
||||||
|
|
||||||
|
return areas;
|
||||||
|
}
|
||||||
|
|
||||||
|
private List<RedactionArea> createInvalidRedactionAreas() {
|
||||||
|
List<RedactionArea> areas = new ArrayList<>();
|
||||||
|
|
||||||
|
RedactionArea invalidArea = new RedactionArea();
|
||||||
|
invalidArea.setPage(null); // Invalid - null page
|
||||||
|
invalidArea.setX(100.0);
|
||||||
|
invalidArea.setY(100.0);
|
||||||
|
invalidArea.setWidth(200.0);
|
||||||
|
invalidArea.setHeight(50.0);
|
||||||
|
areas.add(invalidArea);
|
||||||
|
|
||||||
|
return areas;
|
||||||
|
}
|
||||||
|
|
||||||
|
private List<RedactionArea> createMultipleRedactionAreas() {
|
||||||
|
List<RedactionArea> areas = new ArrayList<>();
|
||||||
|
|
||||||
|
for (int i = 0; i < 5; i++) {
|
||||||
|
RedactionArea area = new RedactionArea();
|
||||||
|
area.setPage(1);
|
||||||
|
area.setX(50.0 + (i * 60));
|
||||||
|
area.setY(50.0 + (i * 40));
|
||||||
|
area.setWidth(50.0);
|
||||||
|
area.setHeight(30.0);
|
||||||
|
area.setColor(String.format("%06X", i * 0x333333));
|
||||||
|
areas.add(area);
|
||||||
|
}
|
||||||
|
|
||||||
|
return areas;
|
||||||
|
}
|
||||||
|
|
||||||
|
private List<RedactionArea> createOverlappingRedactionAreas() {
|
||||||
|
List<RedactionArea> areas = new ArrayList<>();
|
||||||
|
|
||||||
|
RedactionArea area1 = new RedactionArea();
|
||||||
|
area1.setPage(1);
|
||||||
|
area1.setX(100.0);
|
||||||
|
area1.setY(100.0);
|
||||||
|
area1.setWidth(200.0);
|
||||||
|
area1.setHeight(100.0);
|
||||||
|
area1.setColor("FF0000");
|
||||||
|
areas.add(area1);
|
||||||
|
|
||||||
|
RedactionArea area2 = new RedactionArea();
|
||||||
|
area2.setPage(1);
|
||||||
|
area2.setX(150.0); // Overlaps with area1
|
||||||
|
area2.setY(150.0); // Overlaps with area1
|
||||||
|
area2.setWidth(200.0);
|
||||||
|
area2.setHeight(100.0);
|
||||||
|
area2.setColor("00FF00");
|
||||||
|
areas.add(area2);
|
||||||
|
|
||||||
|
return areas;
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,485 @@
|
|||||||
|
package stirling.software.SPDF.pdf;
|
||||||
|
|
||||||
|
import static org.junit.jupiter.api.Assertions.*;
|
||||||
|
|
||||||
|
import java.io.IOException;
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
import org.apache.pdfbox.pdmodel.PDDocument;
|
||||||
|
import org.apache.pdfbox.pdmodel.PDPage;
|
||||||
|
import org.apache.pdfbox.pdmodel.PDPageContentStream;
|
||||||
|
import org.apache.pdfbox.pdmodel.common.PDRectangle;
|
||||||
|
import org.apache.pdfbox.pdmodel.font.PDType1Font;
|
||||||
|
import org.apache.pdfbox.pdmodel.font.Standard14Fonts;
|
||||||
|
import org.junit.jupiter.api.AfterEach;
|
||||||
|
import org.junit.jupiter.api.BeforeEach;
|
||||||
|
import org.junit.jupiter.api.DisplayName;
|
||||||
|
import org.junit.jupiter.api.Nested;
|
||||||
|
import org.junit.jupiter.api.Test;
|
||||||
|
import org.junit.jupiter.api.extension.ExtendWith;
|
||||||
|
import org.junit.jupiter.params.ParameterizedTest;
|
||||||
|
import org.junit.jupiter.params.provider.ValueSource;
|
||||||
|
import org.mockito.junit.jupiter.MockitoExtension;
|
||||||
|
|
||||||
|
import stirling.software.SPDF.model.PDFText;
|
||||||
|
|
||||||
|
@DisplayName("PDF Text Finder tests")
|
||||||
|
@ExtendWith(MockitoExtension.class)
|
||||||
|
class TextFinderTest {
|
||||||
|
|
||||||
|
private PDDocument document;
|
||||||
|
private PDPage page;
|
||||||
|
|
||||||
|
// Helpers
|
||||||
|
private void testTextFinding(String pageContent, String searchTerm, boolean useRegex, boolean wholeWord,
|
||||||
|
String[] expectedTexts, int expectedCount) throws IOException {
|
||||||
|
addTextToPage(pageContent);
|
||||||
|
TextFinder textFinder = new TextFinder(searchTerm, useRegex, wholeWord);
|
||||||
|
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
|
||||||
|
assertEquals(expectedCount, foundTexts.size(),
|
||||||
|
String.format("Expected %d matches for search term '%s'", expectedCount, searchTerm));
|
||||||
|
|
||||||
|
if (expectedTexts != null) {
|
||||||
|
for (String expectedText : expectedTexts) {
|
||||||
|
assertTrue(foundTexts.stream().anyMatch(text -> text.getText().equals(expectedText)),
|
||||||
|
String.format("Expected to find text: '%s'", expectedText));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Verify basic properties of found texts
|
||||||
|
foundTexts.forEach(text -> {
|
||||||
|
assertNotNull(text.getText());
|
||||||
|
assertTrue(text.getX1() >= 0);
|
||||||
|
assertTrue(text.getY1() >= 0);
|
||||||
|
assertTrue(text.getX2() >= text.getX1());
|
||||||
|
assertTrue(text.getY2() >= text.getY1());
|
||||||
|
assertEquals(0, text.getPageIndex()); // Single page test
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
@BeforeEach
|
||||||
|
void setUp() {
|
||||||
|
document = new PDDocument();
|
||||||
|
page = new PDPage(PDRectangle.A4);
|
||||||
|
document.addPage(page);
|
||||||
|
}
|
||||||
|
|
||||||
|
@AfterEach
|
||||||
|
void tearDown() throws IOException {
|
||||||
|
if (document != null) {
|
||||||
|
document.close();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Basic Text Search")
|
||||||
|
class BasicSearchTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find simple text correctly")
|
||||||
|
void findSimpleText() throws IOException {
|
||||||
|
testTextFinding("This is a confidential document with secret information.",
|
||||||
|
"confidential", false, false,
|
||||||
|
new String[]{"confidential"}, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should perform case-insensitive search")
|
||||||
|
void performCaseInsensitiveSearch() throws IOException {
|
||||||
|
testTextFinding("This document contains CONFIDENTIAL information.",
|
||||||
|
"confidential", false, false,
|
||||||
|
new String[]{"CONFIDENTIAL"}, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find multiple occurrences of same term")
|
||||||
|
void findMultipleOccurrences() throws IOException {
|
||||||
|
testTextFinding("The secret code is secret123. Keep this secret safe!",
|
||||||
|
"secret", false, false,
|
||||||
|
new String[]{"secret", "secret", "secret"}, 3);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle empty search term gracefully")
|
||||||
|
void handleEmptySearchTerm() throws IOException {
|
||||||
|
testTextFinding("This is a test document.", "", false, false, null, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle null search term gracefully")
|
||||||
|
void handleNullSearchTerm() throws IOException {
|
||||||
|
testTextFinding("This is a test document.", null, false, false, null, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should return no results when no match found")
|
||||||
|
void returnNoResultsWhenNoMatch() throws IOException {
|
||||||
|
testTextFinding("This is a test document.", "nonexistent", false, false, null, 0);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Whole Word Search")
|
||||||
|
class WholeWordSearchTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find only whole words when enabled")
|
||||||
|
void findOnlyWholeWords() throws IOException {
|
||||||
|
testTextFinding("This is a test testing document with tested results.",
|
||||||
|
"test", false, true,
|
||||||
|
new String[]{"test"}, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find partial matches when whole word search disabled")
|
||||||
|
void findPartialMatches() throws IOException {
|
||||||
|
testTextFinding("This is a test testing document with tested results.",
|
||||||
|
"test", false, false,
|
||||||
|
new String[]{"test", "test", "test"}, 3);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle punctuation boundaries correctly")
|
||||||
|
void handlePunctuationBoundaries() throws IOException {
|
||||||
|
testTextFinding("Hello, world! Testing: test-case (test).",
|
||||||
|
"test", false, true,
|
||||||
|
new String[]{"test"}, 2); // Both standalone "test" and "test" in "test-case"
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle word boundaries with special characters")
|
||||||
|
void handleSpecialCharacterBoundaries() throws IOException {
|
||||||
|
testTextFinding("Email: test@example.com and test.txt file",
|
||||||
|
"test", false, true,
|
||||||
|
new String[]{"test"}, 2); // Both in email and filename should match
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Regular Expression Search")
|
||||||
|
class RegexSearchTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find text matching regex pattern")
|
||||||
|
void findTextMatchingRegex() throws IOException {
|
||||||
|
testTextFinding("Contact John at 123-45-6789 or Jane at 987-65-4321 for details.",
|
||||||
|
"\\d{3}-\\d{2}-\\d{4}", true, false,
|
||||||
|
new String[]{"123-45-6789", "987-65-4321"}, 2);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find email addresses with regex")
|
||||||
|
void findEmailAddresses() throws IOException {
|
||||||
|
testTextFinding("Email: test@example.com and admin@test.org",
|
||||||
|
"[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}", true, false,
|
||||||
|
new String[]{"test@example.com", "admin@test.org"}, 2);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should combine regex with whole word search")
|
||||||
|
void combineRegexWithWholeWord() throws IOException {
|
||||||
|
testTextFinding("Email: test@example.com and admin@test.org",
|
||||||
|
"[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}", true, true,
|
||||||
|
new String[]{"test@example.com", "admin@test.org"}, 2);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find currency patterns")
|
||||||
|
void findCurrencyPatterns() throws IOException {
|
||||||
|
testTextFinding("Price: $100.50 and €75.25",
|
||||||
|
"\\$\\d+\\.\\d{2}", true, false,
|
||||||
|
new String[]{"$100.50"}, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
@ParameterizedTest
|
||||||
|
@ValueSource(strings = {
|
||||||
|
"\\d{4}-\\d{2}-\\d{2}", // Date pattern
|
||||||
|
"\\b[A-Z]{2,}\\b", // Uppercase words
|
||||||
|
"\\w+@\\w+\\.\\w+", // Simple email pattern
|
||||||
|
"\\$\\d+", // Simple currency
|
||||||
|
"\\b\\d{3,4}\\b" // 3-4 digit numbers
|
||||||
|
})
|
||||||
|
@DisplayName("Should handle various regex patterns")
|
||||||
|
void handleVariousRegexPatterns(String regexPattern) throws IOException {
|
||||||
|
String testContent = "Date: 2023-12-25, Email: test@domain.com, Price: $250, Code: ABC123, Number: 1234";
|
||||||
|
addTextToPage(testContent);
|
||||||
|
|
||||||
|
TextFinder textFinder = new TextFinder(regexPattern, true, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
|
||||||
|
// Each pattern should find at least one match in our test content
|
||||||
|
assertFalse(foundTexts.isEmpty(), String.format("Pattern '%s' should find at least one match", regexPattern));
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle invalid regex gracefully")
|
||||||
|
void handleInvalidRegex() throws IOException {
|
||||||
|
addTextToPage("This is test content.");
|
||||||
|
|
||||||
|
try {
|
||||||
|
TextFinder textFinder = new TextFinder("[invalid regex(", true, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
assertNotNull(foundTexts);
|
||||||
|
} catch (java.util.regex.PatternSyntaxException e) {
|
||||||
|
assertNotNull(e.getMessage());
|
||||||
|
assertTrue(e.getMessage().contains("Unclosed character class") ||
|
||||||
|
e.getMessage().contains("syntax"),
|
||||||
|
"Exception should indicate regex syntax error");
|
||||||
|
} catch (RuntimeException | IOException e) {
|
||||||
|
assertNotNull(e.getMessage());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Special Characters and Encoding")
|
||||||
|
class SpecialCharacterTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle international characters")
|
||||||
|
void handleInternationalCharacters() throws IOException {
|
||||||
|
testTextFinding("Hello café naïve résumé",
|
||||||
|
"café", false, false,
|
||||||
|
new String[]{"café"}, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find text with accented characters")
|
||||||
|
void findAccentedCharacters() throws IOException {
|
||||||
|
testTextFinding("Café, naïve, résumé, piñata",
|
||||||
|
"café", false, false,
|
||||||
|
new String[]{"Café"}, 1); // Case insensitive
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle special symbols")
|
||||||
|
void handleSpecialSymbols() throws IOException {
|
||||||
|
testTextFinding("Symbols: © ® ™ ± × ÷ § ¶",
|
||||||
|
"©", false, false,
|
||||||
|
new String[]{"©"}, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find currency symbols")
|
||||||
|
void findCurrencySymbols() throws IOException {
|
||||||
|
testTextFinding("Prices: $100 €75 £50 ¥1000",
|
||||||
|
"[€£¥]", true, false,
|
||||||
|
new String[]{"€", "£", "¥"}, 3);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Multi-page Document Tests")
|
||||||
|
class MultiPageTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should find text across multiple pages")
|
||||||
|
void findTextAcrossPages() throws IOException {
|
||||||
|
PDPage secondPage = new PDPage(PDRectangle.A4);
|
||||||
|
document.addPage(secondPage);
|
||||||
|
|
||||||
|
addTextToPage("First page with confidential data.");
|
||||||
|
|
||||||
|
addTextToPage(secondPage, "Second page with secret information.");
|
||||||
|
|
||||||
|
TextFinder textFinder = new TextFinder("confidential|secret", true, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
|
||||||
|
assertEquals(2, foundTexts.size());
|
||||||
|
|
||||||
|
long page0Count = foundTexts.stream().filter(text -> text.getPageIndex() == 0).count();
|
||||||
|
long page1Count = foundTexts.stream().filter(text -> text.getPageIndex() == 1).count();
|
||||||
|
|
||||||
|
assertEquals(1, page0Count);
|
||||||
|
assertEquals(1, page1Count);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle empty pages gracefully")
|
||||||
|
void handleEmptyPages() throws IOException {
|
||||||
|
PDPage emptyPage = new PDPage(PDRectangle.A4);
|
||||||
|
document.addPage(emptyPage);
|
||||||
|
|
||||||
|
addTextToPage("Content on first page only.");
|
||||||
|
|
||||||
|
TextFinder textFinder = new TextFinder("content", false, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
|
||||||
|
assertEquals(1, foundTexts.size());
|
||||||
|
assertEquals(0, foundTexts.get(0).getPageIndex());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Performance and Boundary Tests")
|
||||||
|
class PerformanceTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle very long search terms")
|
||||||
|
void handleLongSearchTerms() throws IOException {
|
||||||
|
String longTerm = "a".repeat(1000);
|
||||||
|
String content = "Short text with " + longTerm + " embedded.";
|
||||||
|
|
||||||
|
testTextFinding(content, longTerm, false, false, new String[]{longTerm}, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle documents with many pages efficiently")
|
||||||
|
void handleManyPages() throws IOException {
|
||||||
|
for (int i = 0; i < 10; i++) {
|
||||||
|
if (i > 0) { // The first page already exists
|
||||||
|
document.addPage(new PDPage(PDRectangle.A4));
|
||||||
|
}
|
||||||
|
addTextToPage(document.getPage(i), "Page " + i + " contains searchable content.");
|
||||||
|
}
|
||||||
|
|
||||||
|
long startTime = System.currentTimeMillis();
|
||||||
|
TextFinder textFinder = new TextFinder("searchable", false, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
long endTime = System.currentTimeMillis();
|
||||||
|
|
||||||
|
assertEquals(10, foundTexts.size());
|
||||||
|
assertTrue(endTime - startTime < 3000,
|
||||||
|
"Multi-page search should complete within 3 seconds");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Error Handling and Edge Cases")
|
||||||
|
class ErrorHandlingTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle null document gracefully")
|
||||||
|
void handleNullDocument() throws IOException {
|
||||||
|
TextFinder textFinder = new TextFinder("test", false, false);
|
||||||
|
|
||||||
|
try {
|
||||||
|
textFinder.getText(null);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
assertNotNull(foundTexts);
|
||||||
|
assertEquals(0, foundTexts.size());
|
||||||
|
} catch (Exception e) {
|
||||||
|
assertNotNull(e.getMessage());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle document without pages")
|
||||||
|
void handleDocumentWithoutPages() throws IOException {
|
||||||
|
try (PDDocument emptyDocument = new PDDocument()) {
|
||||||
|
TextFinder textFinder = new TextFinder("test", false, false);
|
||||||
|
textFinder.getText(emptyDocument);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
assertEquals(0, foundTexts.size());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle pages without content")
|
||||||
|
void handlePagesWithoutContent() throws IOException {
|
||||||
|
TextFinder textFinder = new TextFinder("test", false, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
|
||||||
|
assertEquals(0, foundTexts.size());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle extremely complex regex patterns")
|
||||||
|
void handleComplexRegexPatterns() throws IOException {
|
||||||
|
addTextToPage("Complex content with various patterns: abc123, def456, XYZ789");
|
||||||
|
|
||||||
|
String complexRegex = "(?=.*\\d)(?=.*[a-z])(?=.*[A-Z])[a-zA-Z\\d]{6}";
|
||||||
|
|
||||||
|
assertDoesNotThrow(() -> {
|
||||||
|
TextFinder textFinder = new TextFinder(complexRegex, true, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
assertNotNull(foundTexts);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
@ParameterizedTest
|
||||||
|
@ValueSource(strings = {"", " ", "\t", "\n", "\r\n", " \t\n "})
|
||||||
|
@DisplayName("Should handle whitespace-only search terms")
|
||||||
|
void handleWhitespaceSearchTerms(String whitespacePattern) throws IOException {
|
||||||
|
addTextToPage("This is normal text content.");
|
||||||
|
|
||||||
|
TextFinder textFinder = new TextFinder(whitespacePattern, false, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
|
||||||
|
assertEquals(0, foundTexts.size());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Nested
|
||||||
|
@DisplayName("Text Coordinate Verification")
|
||||||
|
class CoordinateTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should provide accurate text coordinates")
|
||||||
|
void provideAccurateCoordinates() throws IOException {
|
||||||
|
addTextToPage("Sample text for coordinate testing.");
|
||||||
|
|
||||||
|
TextFinder textFinder = new TextFinder("coordinate", false, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
|
||||||
|
assertEquals(1, foundTexts.size());
|
||||||
|
PDFText foundText = foundTexts.get(0);
|
||||||
|
|
||||||
|
assertTrue(foundText.getX1() >= 0, "X1 should be non-negative");
|
||||||
|
assertTrue(foundText.getY1() >= 0, "Y1 should be non-negative");
|
||||||
|
assertTrue(foundText.getX2() > foundText.getX1(), "X2 should be greater than X1");
|
||||||
|
assertTrue(foundText.getY2() > foundText.getY1(), "Y2 should be greater than Y1");
|
||||||
|
|
||||||
|
double width = foundText.getX2() - foundText.getX1();
|
||||||
|
double height = foundText.getY2() - foundText.getY1();
|
||||||
|
|
||||||
|
assertTrue(width > 0, "Text width should be positive");
|
||||||
|
assertTrue(height > 0, "Text height should be positive");
|
||||||
|
assertTrue(width < 1000, "Text width should be reasonable");
|
||||||
|
assertTrue(height < 100, "Text height should be reasonable");
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
@DisplayName("Should handle overlapping text regions")
|
||||||
|
void handleOverlappingTextRegions() throws IOException {
|
||||||
|
addTextToPage("Overlapping test text content.");
|
||||||
|
|
||||||
|
TextFinder textFinder = new TextFinder("test", false, false);
|
||||||
|
textFinder.getText(document);
|
||||||
|
List<PDFText> foundTexts = textFinder.getFoundTexts();
|
||||||
|
|
||||||
|
assertFalse(foundTexts.isEmpty());
|
||||||
|
foundTexts.forEach(text -> {
|
||||||
|
assertNotNull(text.getText());
|
||||||
|
assertTrue(text.getX1() >= 0 && text.getY1() >= 0);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Helper methods
|
||||||
|
private void addTextToPage(String text) throws IOException {
|
||||||
|
addTextToPage(page, text);
|
||||||
|
}
|
||||||
|
|
||||||
|
private void addTextToPage(PDPage targetPage, String text) throws IOException {
|
||||||
|
try (PDPageContentStream contentStream = new PDPageContentStream(document, targetPage)) {
|
||||||
|
contentStream.beginText();
|
||||||
|
contentStream.setFont(new PDType1Font(Standard14Fonts.FontName.HELVETICA), 12);
|
||||||
|
contentStream.newLineAtOffset(50, 750);
|
||||||
|
contentStream.showText(text);
|
||||||
|
contentStream.endText();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user