Make flakiness dashboard links to googlesource work post git migration.

appengine_module/test_results/handlers/test/redirector_test.py

Index: appengine_module/test_results/handlers/test/redirector_test.py
diff --git a/appengine_module/test_results/handlers/test/redirector_test.py b/appengine_module/test_results/handlers/test/redirector_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..9936998a4a78ed48ef95d0d762cd6a405fe470d2
--- /dev/null
+++ b/appengine_module/test_results/handlers/test/redirector_test.py
@@ -0,0 +1,36 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import unittest
+
+from appengine_module.test_results.handlers import redirector
+
+class RedirectorTest(unittest.TestCase):
+
+  def test_url_from_commit_positions(self):
+    def mock_load_url(url):
+      if url == 'https://cr-rev.appspot.com/_ah/api/crrev/v1/redirect/1':
+        git_sha = 'aaaaaaa'
+      else:
+        git_sha = 'bbbbbbb'
+      return '''{
+ "git_sha": "%s",
+ "repo": "chromium/src",
+ "redirect_url": "https://chromium.googlesource.com/chromium/src/+/%s",
+ "project": "chromium",
+ "redirect_type": "GIT_FROM_NUMBER",
+ "repo_url": "https://chromium.googlesource.com/chromium/src/",
+ "kind": "crrev#redirectItem",
+ "etag": "\\\"vOastG91kaV9uxC3-P-4NolRM6s/U8-bHfeejPZOn0ELRGhed-nrIX4\\\""
+}''' % (git_sha, git_sha)
+
+    old_load_url = redirector.load_url
+    try:
+      redirector.load_url = mock_load_url
+
+      expected = ('https://chromium.googlesource.com/chromium/src/+log/'
+        'aaaaaaa..bbbbbbb?pretty=fuller')
+      self.assertEqual(redirector.url_from_commit_positions(1, 2), expected)
+    finally:
+      redirector.load_url = old_load_url