fix #188: display response image in html report

tests/httpbin/load_image.yml

@@ -0,0 +1,37 @@
+- config:
+    name: load images
+    request:
+        base_url: https://httpbin.org
+
+- test:
+    name: get png image
+    request:
+        url: /image/png
+        method: GET
+    validators:
+        - eq: ["status_code", 200]
+
+- test:
+    name: get jpeg image
+    request:
+        url: /image/jpeg
+        method: GET
+    validators:
+        - eq: ["status_code", 200]
+
+- test:
+    name: get webp image
+    request:
+        url: /image/webp
+        method: GET
+    validators:
+        - eq: ["status_code", 200]
+
+- test:
+    name: get svg image
+    request:
+        url: /image/svg
+        method: GET
+    validators:
+        - eq: ["status_code", 200]
+

tests/test_httprunner.py

@@ -135,3 +135,13 @@ class TestHttpRunner(ApiServerUnittest):
         self.assertTrue(summary["success"])
         self.assertEqual(summary["stat"]["testsRun"], 1)
         self.assertEqual(summary["records"][0]["meta_data"]["response_body"]["data"], "abc")
+
+    def test_html_report_repsonse_image(self):
+        testset_path = "tests/httpbin/load_image.yml"
+        runner = HttpRunner().run(testset_path)
+        summary = runner.summary
+        output_folder_name = os.path.basename(os.path.splitext(testset_path)[0])
+        report = runner.gen_html_report(html_report_name=output_folder_name)
+        self.assertTrue(os.path.isfile(report))
+        report_save_dir = os.path.join(os.getcwd(), 'reports', output_folder_name)
+        shutil.rmtree(report_save_dir)