Split a mixed-content promise test into separate ones.

BUG=None

Review-Url: https://codereview.chromium.org/2543643006
Cr-Commit-Position: refs/heads/master@{#443153}

third_party/WebKit/LayoutTests/http/tests/fetch/resources/fetch-test-helpers.js

@@ -152,68 +152,48 @@ function size(headers) {
 }
 
 function testBlockMixedContent(mode) {
-  promise_test(function(t) {
-      return Promise.resolve()
-        .then(function() {
-            // Test 1: Must fail: blocked as mixed content.
-            return fetch(BASE_URL + 'test1-' + mode, {mode: mode})
-              .then(t.unreached_func('Test 1: Must be blocked (' +
-                                     mode + ', HTTPS->HTTP)'),
-                    function() {});
-          })
-        .then(function() {
-            // Block mixed content in redirects.
-            // Test 2: Must fail: original fetch is not blocked but
-            // redirect is blocked.
-            return fetch(HTTPS_REDIRECT_URL +
-                         encodeURIComponent(BASE_URL + 'test2-' + mode),
-                         {mode: mode})
-              .then(t.unreached_func('Test 2: Must be blocked (' +
-                                     mode + ', HTTPS->HTTPS->HTTP)'),
-                    function() {});
-          })
-        .then(function() {
-            // Test 3: Must fail: original fetch is blocked.
-            return fetch(REDIRECT_URL +
-                         encodeURIComponent(HTTPS_BASE_URL + 'test3-' + mode),
-                         {mode: mode})
-              .then(t.unreached_func('Test 3: Must be blocked (' +
-                                     mode + ', HTTPS->HTTP->HTTPS)'),
-                    function() {});
-          })
-        .then(function() {
-            // Test 4: Must success.
-            // Test that the mixed contents above are not rejected due to
-            return fetch(HTTPS_REDIRECT_URL +
-                         encodeURIComponent(HTTPS_BASE_URL + 'test4-' + mode),
-                         {mode: mode})
-              .then(function(res) {assert_equals(res.status, mode == 'no-cors' ? 0 : 200); },
-                    t.unreached_func('Test 4: Must success (' +
-                                     mode + ', HTTPS->HTTPS->HTTPS)'));
-          })
-        .then(function() {
-            // Test 5: Must success if mode is not 'same-origin'.
-            // Test that the mixed contents above are not rejected due to
-            // CORS check.
-            return fetch(HTTPS_OTHER_REDIRECT_URL +
-                         encodeURIComponent(HTTPS_BASE_URL + 'test5-' + mode),
-                         {mode: mode})
-              .then(function(res) {
-                  if (mode === 'same-origin') {
-                    assert_unreached(
-                      'Test 5: Cross-origin HTTPS request must fail: ' +
-                      'mode = ' + mode);
-                  }
-                },
-                function() {
-                  if (mode !== 'same-origin') {
-                    assert_unreached(
-                      'Test 5: Cross-origin HTTPS request must success: ' +
-                      'mode = ' + mode);
-                  }
-                });
+  promise_test(t => {
+      // Must fail: blocked as mixed content.
+      return fetch(BASE_URL + 'test1-' + mode, {mode: mode})
+       .then(unreached_fulfillment(t), () => {});
+    }, `Mixed content fetch (${mode}, HTTPS->HTTP)`);
+
+  promise_test(t => {
+      // Must fail: original fetch is not blocked but redirect is blocked.
+      return fetch(HTTPS_REDIRECT_URL +
+                   encodeURIComponent(BASE_URL + 'test2-' + mode), {mode: mode})
+        .then(unreached_fulfillment(t), () => {});
+    }, `Mixed content redirect (${mode}, HTTPS->HTTPS->HTTP)`);
+
+  promise_test(t => {
+      // Must fail: original fetch is blocked.
+      return fetch(REDIRECT_URL +
+                   encodeURIComponent(HTTPS_BASE_URL + 'test3-' + mode),
+                   {mode: mode}).then(unreached_fulfillment(t), () => {});
+    }, `Mixed content redirect ${mode}, HTTPS->HTTP->HTTPS)`);
+
+  promise_test(() => {
+      // Must success.
+      // Test that the mixed contents above are not rejected due to CORS check.
+      return fetch(HTTPS_REDIRECT_URL +
+                   encodeURIComponent(HTTPS_BASE_URL + 'test4-' + mode),
+                   {mode: mode}).then(res => {
+          assert_equals(res.status, mode === 'no-cors' ? 0 : 200);
+        });
+    }, `Same origin redirect (${mode}, HTTPS->HTTPS->HTTPS)`);
+
+  promise_test(() => {
+      // Must success if mode is not 'same-origin'.
+      // Test that the mixed contents above are not rejected due to CORS check.
+      return fetch(HTTPS_OTHER_REDIRECT_URL +
+                   encodeURIComponent(HTTPS_BASE_URL + 'test5-' + mode),
+                   {mode: mode})
+        .then(res => {
+            assert_not_equals(mode, 'same-origin');
+          }, () => {
+            assert_equals(mode, 'same-origin');
           });
-    }, 'Block fetch() as mixed content (' + mode + ')');
+    }, `Cross origin redirect (${mode}, HTTPS->HTTPS->HTTPS`);
 }
 
 function add_referrer_tests(tests, global) {