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unleash.unleash/src/lib/util/rewriteHTML.test.ts

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import { rewriteHTML } from './rewriteHTML';
const input = `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="::faviconPrefix::/favicon.ico" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="baseUriPath" content="::baseUriPath::" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="description" content="unleash" />
<title>Unleash - Enterprise ready feature toggles</title>
<link
href="https://fonts.googleapis.com/icon?family=Material+Icons"
rel="stylesheet"
/>
<link
href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700"
rel="stylesheet"
/>
</head>
<body>
<div id="app"></div>
</body>
<script src="/static/js/2.5ff09a33.chunk.js"></script>
<script src="/static/js/main.6bcf6c41.chunk.js"></script>
</html>`;
test('rewriteHTML substitutes meta tag with existing rewrite value', () => {
const result = rewriteHTML(input, '/hosted');
expect(
result.includes('<meta name="baseUriPath" content="/hosted" />'),
).toBe(true);
});
test('rewriteHTML substitutes meta tag with empty value', () => {
const result = rewriteHTML(input, '');
expect(result.includes('<meta name="baseUriPath" content="" />')).toBe(
true,
);
});
test('rewriteHTML substitutes asset paths correctly with baseUriPath', () => {
const result = rewriteHTML(input, '/hosted');
expect(
result.includes(
'<script src="/hosted/static/js/2.5ff09a33.chunk.js"></script>',
),
).toBe(true);
expect(
result.includes(
' <script src="/hosted/static/js/main.6bcf6c41.chunk.js"></script>',
),
).toBe(true);
});
test('rewriteHTML substitutes asset paths correctly without baseUriPath', () => {
const result = rewriteHTML(input, '');
expect(
result.includes(
'<script src="/static/js/2.5ff09a33.chunk.js"></script>',
),
).toBe(true);
expect(
result.includes(
' <script src="/static/js/main.6bcf6c41.chunk.js"></script>',
),
).toBe(true);
});
test('rewriteHTML swaps out faviconPath if cdnPrefix is set', () => {
const result = rewriteHTML(input, '', 'https://cdn.getunleash.io/v4.1.0');
expect(
result.includes(
'<link rel="icon" href="https://cdn.getunleash.io/favicon.ico" />',
),
).toBe(true);
});
test('rewriteHTML sets favicon path to root', () => {
const result = rewriteHTML(input, '');
console.log(result);
expect(result.includes('<link rel="icon" href="/favicon.ico" />')).toBe(
true,
);
});