Add Testinfra verifier test

molecule/tests/test_docker.py

@@ -0,0 +1,29 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_is_docker_installed(host):
+    package_docker = host.package('docker-ce')
+
+    assert package_docker.is_installed
+
+
+def test_is_docker_servive_enabled(host):
+    assert host.service("docker").is_running is True
+    assert host.service("docker").is_enabled is True
+
+
+def test_pull_hello_world_image(host):
+    pull = host.run("sudo docker pull hello-world")
+    assert 'Status: Downloaded newer image for hello-world:latest' in pull.stdout
+
+
+def test_run_hello_world_container_successfully(host):
+    hello_world_ran = host.run(
+        "sudo docker run hello-world")
+    assert hello_world_ran.stderr is ''
+    assert 'Hello from Docker!' in hello_world_ran.stdout