Adding AvailabilityFinder to Doc Server

chrome/common/extensions/docs/server2/availability_finder_test.py

+#!/usr/bin/env python
+# Copyright (c) 2013 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 availability_finder import AvailabilityFinder
+from branch_utility import BranchUtility
+from compiled_file_system import CompiledFileSystem
+from fake_fetchers import ConfigureFakeFetchers
+from object_store_creator import ObjectStoreCreator
+from test_file_system import TestFileSystem
+from test_data.canned_data import (CANNED_API_FILE_SYSTEM_DATA, CANNED_BRANCHES)
+
+def _CreateCannedFileSystem(version):
+  branch = CANNED_BRANCHES[version]
+  return TestFileSystem(CANNED_API_FILE_SYSTEM_DATA[str(branch)])
+
+class AvailabilityFinderTest(unittest.TestCase):
+  def setUp(self):
+    # Calls to BranchUtility will result in fetching fake data from test_data/.
+    ConfigureFakeFetchers()

[not at google - send to devlin, 2013/06/20 16:15:20]

I know I keep on banging on about this, but unit tests shouldn't need to
ConfigureFakeFetchers, they should be able to inject their own dependencies.

[epeterson, 2013/06/21 00:48:26]

Done.

+    self._avail_ds_factory = AvailabilityFinder.Factory(
+        ObjectStoreCreator.ForTest(),
+        CompiledFileSystem.Factory(
+            TestFileSystem(CANNED_API_FILE_SYSTEM_DATA['trunk']),
+            ObjectStoreCreator.ForTest()),
+        BranchUtility.Create(ObjectStoreCreator.ForTest()),
+        _CreateCannedFileSystem)
+    self._avail_ds = self._avail_ds_factory.Create()
+
+  def testGetApiAvailability(self):
+    # Key: Using 'channel' (i.e. 'beta') to represent an availability listing
+    # for an API in a _features.json file, and using |channel| (i.e. |dev|) to
+    # represent the development channel, or phase of development, where an API's
+    # availability is being checked.
+
+    # Testing the predetermined APIs found in
+    # templates/json/api_availabilities.json.
+    self.assertEqual('stable',
+        self._avail_ds.GetApiAvailability('jsonAPI1').channel)
+    self.assertEqual(10,
+        self._avail_ds.GetApiAvailability('jsonAPI1').version)
+    self.assertEqual('trunk',
+        self._avail_ds.GetApiAvailability('jsonAPI2').channel)
+    self.assertEqual(None,
+        self._avail_ds.GetApiAvailability('jsonAPI2').version)
+    self.assertEqual('dev',
+        self._avail_ds.GetApiAvailability('jsonAPI3').channel)
+    self.assertEqual(None,
+        self._avail_ds.GetApiAvailability('jsonAPI3').version)
+
+    # Testing APIs found only by checking file system existence.
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('windows').channel)
+    self.assertEquals(23,
+        self._avail_ds.GetApiAvailability('windows').version)
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('tabs').channel)
+    self.assertEquals(18,
+        self._avail_ds.GetApiAvailability('tabs').version)
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('input.ime').channel)
+    self.assertEquals(18,
+        self._avail_ds.GetApiAvailability('input.ime').version)
+
+    # Testing API channel existence for _api_features.json.
+    # Listed as 'dev' on |beta|, 'dev' on |dev|.
+    self.assertEquals('dev',
+        self._avail_ds.GetApiAvailability('systemInfo.stuff').channel)
+    self.assertEquals(28,
+        self._avail_ds.GetApiAvailability('systemInfo.stuff').version)
+    # Listed as 'stable' on |beta|.
+    self.assertEquals('beta',
+        self._avail_ds.GetApiAvailability('systemInfo.cpu').channel)
+    self.assertEquals(27,
+        self._avail_ds.GetApiAvailability('systemInfo.cpu').version)
+
+    # Testing API channel existence for _manifest_features.json.
+    # Listed as 'trunk' on all channels.
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('sync').channel)
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('sync').version)
+    # No records of API until |trunk|.
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('history').channel)
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('history').version)
+    # Listed as 'dev' on |dev|.
+    self.assertEquals('dev',
+        self._avail_ds.GetApiAvailability('storage').channel)
+    self.assertEquals(28,
+        self._avail_ds.GetApiAvailability('storage').version)
+    # Stable in _manifest_features and into pre-18 versions.
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('pageAction').channel)
+    self.assertEquals(8,
+        self._avail_ds.GetApiAvailability('pageAction').version)
+
+    # Testing API channel existence for _permission_features.json.
+    # Listed as 'beta' on |trunk|.
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('falseBetaAPI').version)
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('falseBetaAPI').version)
+    # Listed as 'trunk' on |trunk|.
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('trunkAPI').channel)
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('trunkAPI').version)
+    # Listed as 'trunk' on all development channels.
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('declarativeContent').channel)
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('declarativeContent').version)
+    # Listed as 'dev' on all development channels.
+    self.assertEquals('dev',
+        self._avail_ds.GetApiAvailability('bluetooth').channel)
+    self.assertEquals(28,
+        self._avail_ds.GetApiAvailability('bluetooth').version)
+    # Listed as 'dev' on |dev|.
+    self.assertEquals('dev',
+        self._avail_ds.GetApiAvailability('cookies').channel)
+    self.assertEquals(28,
+        self._avail_ds.GetApiAvailability('cookies').version)
+    # Treated as 'stable' APIs.
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('alarms').channel)
+    self.assertEquals(24,
+        self._avail_ds.GetApiAvailability('alarms').version)
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('bookmarks').channel)
+    self.assertEquals(21,
+        self._avail_ds.GetApiAvailability('bookmarks').version)
+
+    # Testing older API existence using extension_api.json.
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('menus').channel)
+    self.assertEquals(6,
+        self._avail_ds.GetApiAvailability('menus').version)
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('idle').channel)
+    self.assertEquals(5,
+        self._avail_ds.GetApiAvailability('idle').version)
+
+    # Switches between _features.json files across branches.
+    # Listed as 'trunk' on all channels.
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('contextMenus').channel)
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('contextMenus').version)
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('systemInfo.display').channel)
+    self.assertEquals(23,
+        self._avail_ds.GetApiAvailability('systemInfo.display').version)
+    self.assertEquals('stable',
+        self._avail_ds.GetApiAvailability('webRequest').channel)
+    self.assertEquals(17,
+        self._avail_ds.GetApiAvailability('webRequest').version)
+
+    # Mid-upgrade cases:
+    # Listed as 'dev' on |beta| and 'beta' on |dev|.
+    self.assertEquals('dev',
+        self._avail_ds.GetApiAvailability('notifications').channel)
+    self.assertEquals(28,
+        self._avail_ds.GetApiAvailability('notifications').version)
+    # Listed as 'beta' on |stable|, 'dev' on |beta| ... until |stable| on trunk.
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('events').channel)
+    self.assertEquals('trunk',
+        self._avail_ds.GetApiAvailability('events').version)

[not at google - send to devlin, 2013/06/20 16:15:20]

awesome tests!

+
+if __name__ == '__main__':
+  unittest.main()