[Findit] Add local git parsers.

appengine/findit/common/test/local_git_parsers_test.py

Index: appengine/findit/common/test/local_git_parsers_test.py
diff --git a/appengine/findit/common/test/local_git_parsers_test.py b/appengine/findit/common/test/local_git_parsers_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..17b70c9d289369ad05e00e27aac7b21ac64a4702
--- /dev/null
+++ b/appengine/findit/common/test/local_git_parsers_test.py
@@ -0,0 +1,224 @@
+# 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.
+
+from datetime import datetime
+from datetime import timedelta
+import textwrap
+
+from testing_utils import testing
+
+from common import local_git_parsers
+from common import blame
+from common import change_log
+
+
+class LocalGitParsersTest(testing.AppengineTestCase):
+
+  def testTimeZoneInfo(self):
+    tz = local_git_parsers.TimeZoneInfo('+0800')
+    self.assertEqual(tz.utcoffset(), timedelta(minutes=480))
+    self.assertEqual(tz.dst(), timedelta(0))
+    self.assertEqual(tz.tzname(), '+0800')
+
+    tz_negative = local_git_parsers.TimeZoneInfo('-0700')
+    self.assertEqual(tz_negative.utcoffset(), timedelta(minutes=-420))
+    self.assertEqual(tz_negative.dst(), timedelta(0))
+    self.assertEqual(tz_negative.tzname(), '-0700')
+
+  def testGitBlameParser(self):
+    output = textwrap.dedent(
+        """
+        revision_hash 18 18 3
+        author test@google.com
+        author-mail <test@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
+        author-time 1363032816
+        author-tz +0300
+        committer test@google.com
+        committer-mail <test@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
+        committer-time 1363032816
+        committer-tz +0300
+        summary add (mac) test for ttcindex in SkFontStream
+        previous fe7533eebe777cc66c7f8fa7a03f00572755c5b4 src/core/SkFont.h
+        filename src/core/SkFont.h
+                     *  blabla line 1
+        revision_hash 19 19
+                     *  blabla line 2
+        revision_hash 20 20
+                     *  blabla line 3
+        """
+    )
+
+    expected_regions = [blame.Region(18, 3, 'revision_hash', 'test@google.com',
+                                     'test@google.com',
+                                     datetime(2013, 03, 11, 17, 13, 36))]
+    expected_blames = [blame.Blame('revision_hash',
+                                   'src/core/SkFont.h',
+                                   regions=expected_regions)]
+
+    blames = local_git_parsers.GitBlameParser()(output)
+    for blame_result, expected_blame in zip(blames, expected_blames):
+      self.assertTrue(blame_result.revision, expected_blame.revision)
+      self.assertTrue(blame_result.path, expected_blame.path)
+      for region, expected_region in zip(blame_result, expected_blame):
+        self.assertTrue(region.ToDict(), expected_region.ToDict())
+
+  def testGetFileChangeInfo(self):
+    self.assertIsNone(local_git_parsers.GetFileChangeInfo('change type',
+                                                          None, None))
+
+  def testGitChangeLogParser(self):
+    output = textwrap.dedent(
+        """
+        commit revision
+        tree tree_revision
+        parents parent_revision
+
+        author Test
+        author-mail test@google.com
+        author-time 1468442226
+
+        committer Test
+        committer-mail test@google.com
+        committer-time 1468442226
+
+        --Message start--
+        Revert commit messages...
+        > Committed: https://c.com/+/c9cc182781484f9010f062859cda048afefefefe
+        Review-Url: https://codereview.chromium.org/2391763002
+        Cr-Commit-Position: refs/heads/master@{#425880}
+        --Message end--
+
+        :100644 100644 25f95f c766f1 M      src/a/b.py
+        """
+    )
+
+    message = ('Revert commit messages...\n'
+               '> Committed: https://c.com/+/'
+               'c9cc182781484f9010f062859cda048afefefefe\n'
+               'Review-Url: https://codereview.chromium.org/2391763002\n'
+               'Cr-Commit-Position: refs/heads/master@{#425880}')
+
+    expected_changelog = change_log.ChangeLog(
+        'Test', 'test@google.com', datetime(2016, 7, 13, 20, 37, 6),
+        'Test', 'test@google.com', datetime(2016, 7, 13, 20, 37, 6),
+        'revision', 425880, message, [change_log.FileChangeInfo(
+            'modify', 'src/a/b.py', 'src/a/b.py')],
+        code_review_url='https://codereview.chromium.org/2391763002',
+        reverted_revision='c9cc182781484f9010f062859cda048afefefefe')
+
+    changelog = local_git_parsers.GitChangeLogParser()(output)
+    self.assertTrue(expected_changelog.ToDict(), changelog.ToDict())
+
+  def testGitChangeLogsParser(self):
+    output = textwrap.dedent(
+        """
+        **Changelog start**
+        commit 9af040a364c15bdc2adeea794e173a2c529a
+        tree 27b0421273ed4aea25e497c6d26d9c7db6481852
+        parents c39b0cc8a516de1fa57d032dc0135a4eadfe2c9e
+
+        author author1
+        author-mail author1@chromium.org
+        author-time 1464864938
+
+        committer Commit bot
+        committer-mail commit-bot@chromium.org
+        committer-time 1464865033
+
+        --Message start--
+        Message 1
+        --Message end--
+
+        :100644 100644 28e117 f12d3 D      a/b.py
+
+
+        **Changelog start**
+        commit c39b0cc8a516de1fa57d032dc0135a4eadfe
+        tree d22d3786e135b83183cfeba5f3d8913959f56299
+        parents ac7ee4ce7b8d39b22a710c58d110e0039c11cf9a
+
+        author author2
+        author-mail author2@chromium.org
+        author-time 1464864783
+
+        committer Commit bot
+        committer-mail commit-bot@chromium.org
+        committer-time 1464864854
+
+        --Message start--
+        Message 2
+        --Message end--
+
+        :100644 100644 7280f df186 A      b/c.py
+
+        **Changelog start**
+        commit c39b0cc8a516de1fa57d032dc0135a4eadfed
+        tree d22d3786e135b83183cfeba5f3d8913959f56299
+        parents ac7ee4ce7b8d39b22a710c58d110e0039c11cf9a
+
+        author author3
+        author-mail author3@chromium.org
+        author-time 1464864783
+
+        committer Commit bot
+        committer-mail commit-bot@chromium.org
+        committer-time 1464864854
+
+        --Message start--
+        Message 3
+        --Message end--
+
+        :100644 100644 3f2e 20a5 R078 b/c.py b/cc.py
+        """
+    )
+
+    expected_changelogs = [
+        change_log.ChangeLog(author_name='author1',
+                             author_email='author1@chromium.org',
+                             author_time=datetime(2016, 6, 2, 10, 55, 38),
+                             committer_name='Commit bot',
+                             committer_email='commit-bot@chromium.org',
+                             committer_time=datetime(2016, 6, 2, 10, 57, 13),
+                             message='Message 1',
+                             revision='9af040a364c15bdc2adeea794e173a2c529a',
+                             touched_files=[change_log.FileChangeInfo(
+                                 'delete', 'a/b.py', None)]),
+        change_log.ChangeLog(author_name='author2',
+                             author_email='author2@chromium.org',
+                             author_time=datetime(2016, 6, 2, 10, 53, 3),
+                             committer_name='Commit bot',
+                             committer_email='commit-bot@chromium.org',
+                             committer_time=datetime(2016, 6, 2, 10, 54, 14),
+                             message='Message 2',
+                             revision='c39b0cc8a516de1fa57d032dc0135a4eadfe',
+                             touched_files=[change_log.FileChangeInfo(
+                                 'add', None, 'b/c.py')]),
+        change_log.ChangeLog(author_name='author3',
+                             author_email='author3@chromium.org',
+                             author_time=datetime(2016, 6, 2, 10, 53, 3),
+                             committer_name='Commit bot',
+                             committer_email='commit-bot@chromium.org',
+                             committer_time=datetime(2016, 6, 2, 10, 54, 14),
+                             message='Message 3',
+                             revision='c39b0cc8a516de1fa57d032dc0135a4eadfed',
+                             touched_files=[change_log.FileChangeInfo(
+                                 'rename', 'b/c.py', 'b/cc.py')]),
+
+    ]
+
+    changelogs = local_git_parsers.GitChangeLogsParser()(output)
+    for changelog, expected_changelog in zip(changelogs, expected_changelogs):
+      self.assertEqual(changelog.ToDict(), expected_changelog.ToDict())
+
+  def testGitChangeLogsParserWithEmptyChangelog(self):
+    output = '**Changelog start**\nblablabla'
+    self.assertEqual(local_git_parsers.GitChangeLogsParser()(output), [])
+
+  def testGitDiffParser(self):
+    output = 'output'
+    self.assertEqual(output, local_git_parsers.GitDiffParser()(output))
+
+  def testGitSourceParser(self):
+    output = 'output'
+    self.assertEqual(output, local_git_parsers.GitSourceParser()(output))