Adding check for team and component tags in owners files.

tools/checkteamtags/checkteamtags_test.py

Index: tools/checkteamtags/checkteamtags_test.py
diff --git a/tools/checkteamtags/checkteamtags_test.py b/tools/checkteamtags/checkteamtags_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..b99f66430edf35de5cefd120512891fd183f93af
--- /dev/null
+++ b/tools/checkteamtags/checkteamtags_test.py
@@ -0,0 +1,119 @@
+# Copyright 2017 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 os
+import sys
+import unittest
+
+import checkteamtags
+
+SRC = os.path.join(os.path.dirname(__file__), os.path.pardir, os.path.pardir)
+sys.path.append(os.path.join(SRC, 'third_party', 'pymock'))
+
+import mock
+
+
+def mock_file(lines):
+  inner_mock = mock.MagicMock()
+  inner_attrs = {'readlines.return_value': lines}
+  inner_mock.configure_mock(**inner_attrs)
+
+  return_val = mock.MagicMock()
+  attrs = {'__enter__.return_value': inner_mock}
+  return_val.configure_mock(**attrs)
+  return return_val
+
+NO_TAGS = """
+mock@chromium.org
+""".splitlines()
+
+MULTIPLE_COMPONENT_TAGS = """
+mock@chromium.org
+
+# COMPONENT: Blink>mock_component
+# COMPONENT: V8>mock_component
+""".splitlines()
+
+MULTIPLE_COMPONENTS_IN_TAG = """
+mock@chromium.org
+
+# COMPONENT: Blink>mock_component, V8>mock_component
+""".splitlines()
+
+MISSING_COMPONENT = """
+mock@chromium.org
+
+# COMPONENT:
+""".splitlines()
+
+MULTIPLE_TEAM_TAGS = """
+mock@chromium.org
+
+# TEAM: some-team@chromium.org
+# TEAM: some-other-team@chromium.org
+""".splitlines()
+
+MULTIPLE_TEAMS_IN_TAG = """
+mock@chromium.org
+
+# TEAM: some-team@chromium.org some-other-team@chromium.org
+""".splitlines()
+
+MISSING_TEAM = """
+mock@chromium.org
+
+# TEAM:
+""".splitlines()
+
+BASIC = """
+mock@chromium.org
+
+# TEAM: some-team@chromium.org
+# COMPONENT: V8>mock_component
+""".splitlines()
+
+open_name = 'checkteamtags.open'
+
+@mock.patch('sys.argv', ['checkteamtags', '--bare' ,'OWNERS'])
+@mock.patch('sys.stdout', mock.MagicMock())
+class CheckTeamTagsTest(unittest.TestCase):
+  def testNoTags(self):
+    with mock.patch(open_name, create=True) as mock_open:
+      mock_open.return_value = mock_file(NO_TAGS)
+      self.assertEqual(0, checkteamtags.main())
+
+  def testMultipleComponentTags(self):
+    with mock.patch(open_name, create=True) as mock_open:
+      mock_open.return_value = mock_file(MULTIPLE_COMPONENT_TAGS)
+      self.assertEqual(1, checkteamtags.main())
+
+  def testMultipleComponentsInTag(self):
+    with mock.patch(open_name, create=True) as mock_open:
+      mock_open.return_value = mock_file(MULTIPLE_COMPONENTS_IN_TAG)
+      self.assertEqual(1, checkteamtags.main())
+
+  def testMissingComponent(self):
+    with mock.patch(open_name, create=True) as mock_open:
+      mock_open.return_value = mock_file(MISSING_COMPONENT)
+      self.assertEqual(1, checkteamtags.main())
+
+  def testMultipleTeamTags(self):
+    with mock.patch(open_name, create=True) as mock_open:
+      mock_open.return_value = mock_file(MULTIPLE_TEAM_TAGS)
+      self.assertEqual(1, checkteamtags.main())
+
+  def testMultipleTeamsInTag(self):
+    with mock.patch(open_name, create=True) as mock_open:
+      mock_open.return_value = mock_file(MULTIPLE_TEAMS_IN_TAG)
+      self.assertEqual(1, checkteamtags.main())
+
+  def testMissingTeam(self):
+    with mock.patch(open_name, create=True) as mock_open:
+      mock_open.return_value = mock_file(MISSING_TEAM)
+      self.assertEqual(1, checkteamtags.main())
+
+  def testBasic(self):
+    with mock.patch(open_name, create=True) as mock_open:
+      mock_open.return_value = mock_file(BASIC)
+      self.assertEqual(0, checkteamtags.main())