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#!/usr/bin/env vpython3
# Copyright 2020 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#pylint: disable=protected-access
import json
import os
import sys
import tempfile
import typing
import unittest
if sys.version_info[0] == 2:
import mock
else:
import unittest.mock as mock
from pyfakefs import fake_filesystem_unittest
from skia_gold_common import skia_gold_properties
from skia_gold_common import skia_gold_session
from skia_gold_common import skia_gold_session_manager
from skia_gold_common import unittest_utils
createSkiaGoldArgs = unittest_utils.createSkiaGoldArgs
class SkiaGoldSessionManagerGetSessionTest(fake_filesystem_unittest.TestCase):
"""Tests the functionality of SkiaGoldSessionManager.GetSkiaGoldSession."""
def setUp(self) -> None:
self.setUpPyfakefs()
self._working_dir = tempfile.mkdtemp()
self._patcher = mock.patch.object(
skia_gold_session_manager.SkiaGoldSessionManager, 'GetSessionClass')
self._session_class_mock = self._patcher.start()
self._session_class_mock.return_value = skia_gold_session.SkiaGoldSession
self.addCleanup(self._patcher.stop)
def test_ArgsForwardedToSession(self) -> None:
args = createSkiaGoldArgs()
sgp = skia_gold_properties.SkiaGoldProperties(args)
sgsm = skia_gold_session_manager.SkiaGoldSessionManager(
self._working_dir, sgp)
session = sgsm.GetSkiaGoldSession({}, 'corpus', 'instance')
self.assertTrue(session._keys_file.startswith(self._working_dir))
self.assertEqual(session._corpus, 'corpus')
self.assertEqual(session._instance, 'instance')
# Make sure the session's working directory is a subdirectory of the
# manager's working directory.
self.assertEqual(os.path.dirname(session._working_dir), self._working_dir)
def test_corpusFromJson(self) -> None:
args = createSkiaGoldArgs()
sgp = skia_gold_properties.SkiaGoldProperties(args)
sgsm = skia_gold_session_manager.SkiaGoldSessionManager(
self._working_dir, sgp)
session = sgsm.GetSkiaGoldSession({'source_type': 'foobar'}, None,
'instance')
self.assertTrue(session._keys_file.startswith(self._working_dir))
self.assertEqual(session._corpus, 'foobar')
self.assertEqual(session._instance, 'instance')
def test_corpusDefaultsToInstance(self) -> None:
args = createSkiaGoldArgs()
sgp = skia_gold_properties.SkiaGoldProperties(args)
sgsm = skia_gold_session_manager.SkiaGoldSessionManager(
self._working_dir, sgp)
session = sgsm.GetSkiaGoldSession({}, None, 'instance')
self.assertTrue(session._keys_file.startswith(self._working_dir))
self.assertEqual(session._corpus, 'instance')
self.assertEqual(session._instance, 'instance')
@mock.patch.object(skia_gold_session_manager.SkiaGoldSessionManager,
'_GetDefaultInstance')
def test_getDefaultInstance(self,
default_instance_mock: mock.MagicMock) -> None:
default_instance_mock.return_value = 'default'
args = createSkiaGoldArgs()
sgp = skia_gold_properties.SkiaGoldProperties(args)
sgsm = skia_gold_session_manager.SkiaGoldSessionManager(
self._working_dir, sgp)
session = sgsm.GetSkiaGoldSession({}, None, None)
self.assertTrue(session._keys_file.startswith(self._working_dir))
self.assertEqual(session._corpus, 'default')
self.assertEqual(session._instance, 'default')
@mock.patch.object(skia_gold_session.SkiaGoldSession, '__init__')
def test_matchingSessionReused(self, session_mock: mock.MagicMock) -> None:
session_mock.return_value = None
args = createSkiaGoldArgs()
sgp = skia_gold_properties.SkiaGoldProperties(args)
sgsm = skia_gold_session_manager.SkiaGoldSessionManager(
self._working_dir, sgp)
session1 = sgsm.GetSkiaGoldSession({}, 'corpus', 'instance')
session2 = sgsm.GetSkiaGoldSession({}, 'corpus', 'instance')
self.assertEqual(session1, session2)
# For some reason, session_mock.assert_called_once() always passes,
# so check the call count directly.
self.assertEqual(session_mock.call_count, 1)
@mock.patch.object(skia_gold_session.SkiaGoldSession, '__init__')
def test_separateSessionsFromKeys(self, session_mock: mock.MagicMock) -> None:
session_mock.return_value = None
args = createSkiaGoldArgs()
sgp = skia_gold_properties.SkiaGoldProperties(args)
sgsm = skia_gold_session_manager.SkiaGoldSessionManager(
self._working_dir, sgp)
session1 = sgsm.GetSkiaGoldSession({}, 'corpus', 'instance')
session2 = sgsm.GetSkiaGoldSession({'something_different': 1}, 'corpus',
'instance')
self.assertNotEqual(session1, session2)
self.assertEqual(session_mock.call_count, 2)
@mock.patch.object(skia_gold_session.SkiaGoldSession, '__init__')
def test_separateSessionsFromCorpus(self,
session_mock: mock.MagicMock) -> None:
session_mock.return_value = None
args = createSkiaGoldArgs()
sgp = skia_gold_properties.SkiaGoldProperties(args)
sgsm = skia_gold_session_manager.SkiaGoldSessionManager(
self._working_dir, sgp)
session1 = sgsm.GetSkiaGoldSession({}, 'corpus1', 'instance')
session2 = sgsm.GetSkiaGoldSession({}, 'corpus2', 'instance')
self.assertNotEqual(session1, session2)
self.assertEqual(session_mock.call_count, 2)
@mock.patch.object(skia_gold_session.SkiaGoldSession, '__init__')
def test_separateSessionsFromInstance(self,
session_mock: mock.MagicMock) -> None:
session_mock.return_value = None
args = createSkiaGoldArgs()
sgp = skia_gold_properties.SkiaGoldProperties(args)
self._working_dir = tempfile.mkdtemp()
sgsm = skia_gold_session_manager.SkiaGoldSessionManager(
self._working_dir, sgp)
session1 = sgsm.GetSkiaGoldSession({}, 'corpus', 'instance1')
session2 = sgsm.GetSkiaGoldSession({}, 'corpus', 'instance2')
self.assertNotEqual(session1, session2)
self.assertEqual(session_mock.call_count, 2)
class SkiaGoldSessionManagerKeyConversionTest(fake_filesystem_unittest.TestCase
):
def setUp(self) -> None:
self.setUpPyfakefs()
self._working_dir = tempfile.mkdtemp()
def test_getKeysAsDict(self) -> None:
keys_dict = {'foo': 'bar'}
keys_file_contents = {'bar': 'baz'}
keys_file = tempfile.NamedTemporaryFile(delete=False).name
with open(keys_file, 'w') as f:
json.dump(keys_file_contents, f)
self.assertEqual(skia_gold_session_manager._GetKeysAsDict(keys_dict),
keys_dict)
self.assertEqual(skia_gold_session_manager._GetKeysAsDict(keys_file),
keys_file_contents)
with self.assertRaises(AssertionError):
skia_gold_session_manager._GetKeysAsDict(typing.cast(dict, 1))
def test_getKeysAsJson(self) -> None:
keys_dict = {'foo': 'bar'}
keys_file_contents = {'bar': 'baz'}
keys_file = tempfile.NamedTemporaryFile(delete=False).name
with open(keys_file, 'w') as f:
json.dump(keys_file_contents, f)
self.assertEqual(skia_gold_session_manager._GetKeysAsJson(keys_file, ''),
keys_file)
keys_dict_as_json = skia_gold_session_manager._GetKeysAsJson(
keys_dict, self._working_dir)
self.assertTrue(keys_dict_as_json.startswith(self._working_dir))
with open(keys_dict_as_json) as f:
self.assertEqual(json.load(f), keys_dict)
with self.assertRaises(AssertionError):
skia_gold_session_manager._GetKeysAsJson(typing.cast(dict, 1), '')
if __name__ == '__main__':
unittest.main(verbosity=2)
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