[Predator] Switch from anonymous dict to CrashData.

appengine/findit/crash/test/crash_report_with_dependencies_test.py

-# Copyright 2016 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 copy
-
-from common.chrome_dependency_fetcher import ChromeDependencyFetcher
-from common.dependency import Dependency
-from common.dependency import DependencyRoll
-from crash.crash_report import CrashReport
-from crash.crash_report_with_dependencies import _FrozenDict
-from crash.crash_report_with_dependencies import CrashReportWithDependencies
-from crash.stacktrace import CallStack
-from crash.stacktrace import StackFrame
-from crash.stacktrace import Stacktrace
-from crash.test.crash_test_suite import CrashTestSuite
-from crash.type_enums import CallStackFormatType
-from crash.type_enums import LanguageType
-from libs.gitiles.change_log import ChangeLog
-from libs.gitiles.gitiles_repository import GitilesRepository
-
-DUMMY_CHANGELOG1 = ChangeLog.FromDict({
-    'author': {
-        'name': 'r@chromium.org',
-        'email': 'r@chromium.org',
-        'time': 'Thu Mar 31 21:24:43 2016',
-    },
-    'committer': {
-        'email': 'r@chromium.org',
-        'time': 'Thu Mar 31 21:28:39 2016',
-        'name': 'example@chromium.org',
-    },
-    'message': 'dummy',
-    'commit_position': 175900,
-    'touched_files': [
-        {
-            'change_type': 'add',
-            'new_path': 'a.cc',
-            'old_path': None,
-        },
-    ],
-    'commit_url': 'https://repo.test/+/1',
-    'code_review_url': 'https://codereview.chromium.org/3281',
-    'revision': '1',
-    'reverted_revision': None
-})
-
-DUMMY_CHANGELOG2 = ChangeLog.FromDict({
-    'author': {
-        'name': 'example@chromium.org',
-        'email': 'example@chromium.org',
-        'time': 'Thu Mar 31 21:24:43 2016',
-    },
-    'committer': {
-        'name': 'example@chromium.org',
-        'email': 'example@chromium.org',
-        'time': 'Thu Mar 31 21:28:39 2016',
-    },
-    'message': 'dummy',
-    'commit_position': 175976,
-    'touched_files': [
-        {
-            'change_type': 'add',
-            'new_path': 'f0.cc',
-            'old_path': 'b/f0.cc'
-        },
-    ],
-    'commit_url': 'https://repo.test/+/2',
-    'code_review_url': 'https://codereview.chromium.org/3281',
-    'revision': '2',
-    'reverted_revision': '1'
-})
-
-DUMMY_CHANGELOG3 = ChangeLog.FromDict({
-    'author': {
-        'name': 'e@chromium.org',
-        'email': 'e@chromium.org',
-        'time': 'Thu Apr 1 21:24:43 2016',
-    },
-    'committer': {
-        'name': 'example@chromium.org',
-        'email': 'e@chromium.org',
-        'time': 'Thu Apr 1 21:28:39 2016',
-    },
-    'message': 'dummy',
-    'commit_position': 176000,
-    'touched_files': [
-        {
-            'change_type': 'modify',
-            'new_path': 'f.cc',
-            'old_path': 'f.cc'
-        },
-        {
-            'change_type': 'delete',
-            'new_path': None,
-            'old_path': 'f1.cc'
-        },
-    ],
-    'commit_url': 'https://repo.test/+/3',
-    'code_review_url': 'https://codereview.chromium.org/3281',
-    'revision': '3',
-    'reverted_revision': None
-})
-
-DUMMY_CALLSTACKS = [
-    CallStack(0, [], CallStackFormatType.DEFAULT, LanguageType.CPP),
-    CallStack(1, [], CallStackFormatType.DEFAULT, LanguageType.CPP)]
-DUMMY_REPORT = CrashReport(
-    None, None, None, Stacktrace(DUMMY_CALLSTACKS, DUMMY_CALLSTACKS[0]),
-    (None, None))
-
-
-class FrozenDictTest(CrashTestSuite):
-  def testHash(self):
-    """Test that ``_FrozenDict`` does not throw an exception in ``hash``."""
-    try:
-        _h = hash(_FrozenDict({'a': 1, 'b': 2, 'c': 3}))
-    except TypeError as e: # pragma: no cover
-      if 'unhashable type' in str(e):
-        self.fail('_FrozenDict.__hash__ does not work')
-      else:
-        raise e
-
-
-class CrashReportWithDependenciesTest(CrashTestSuite):
-
-  def setUp(self):
-    super(CrashReportWithDependenciesTest, self).setUp()
-    self.get_repository = GitilesRepository.Factory(self.GetMockHttpClient())
-    self.dep_fetcher = ChromeDependencyFetcher(self.get_repository)
-
-    # These mocks are shared by many (but not all) tests.
-    def empty_dict(*_): # pragma: no cover
-      """Constant function that returns the empty dict for all inputs.
-
-      We break this out rather than using a lambda just so that we can
-      add the "no cover" pragma. We really don't care if some particular
-      test doesn't call these mocks.
-      """
-      return {}
-    self.mock(ChromeDependencyFetcher, 'GetDependencyRollsDict', empty_dict)
-    self.mock(ChromeDependencyFetcher, 'GetDependency', empty_dict)
-
-  def testMissingRegressionRange(self):
-    """Test that ``__new__`` fails when the regression range is missing."""
-    report = DUMMY_REPORT._replace(regression_range=None)
-    self.assertIsNone(CrashReportWithDependencies(report, self.dep_fetcher))
-
-  def testMissingLastGoodRevision(self):
-    """Test that ``__new__`` ?? when the last-good revision is missing."""
-    report = DUMMY_REPORT._replace(regression_range=(None, '5'))
-    # TODO(wrengr): find something worthwhile to test here.
-    self.assertIsNotNone(CrashReportWithDependencies(report, self.dep_fetcher))
-
-  def testMissingFirstBadRevision(self):
-    """Test that ``__new__`` ?? when the first-bad revision is missing."""
-    report = DUMMY_REPORT._replace(regression_range=('4', None))
-    # TODO(wrengr): find something worthwhile to test here.
-    self.assertIsNotNone(CrashReportWithDependencies(report, self.dep_fetcher))
-
-  def testRegressionRangeProperty(self):
-    # Define some non-trivial crash report (i.e., not DUMMY_REPORT)
-    callstack = CallStack(0)
-    report = CrashReport(
-        crashed_version = '5',
-        signature = 'sig',
-        platform = 'canary',
-        stacktrace = Stacktrace([callstack], callstack),
-        regression_range = ('4', '5'),
-    )
-    self.assertTupleEqual(
-        report.regression_range,
-        CrashReportWithDependencies(report, self.dep_fetcher).regression_range)
-
-  def testSkipAddedAndDeletedRegressionRolls(self):
-    # Zipping these up to reduce repetition and chance for typos.
-    zipped_deps = [
-        ('src/', 'https://chromium.googlesource.com/chromium/src.git',
-            '4', '5', '6'),
-        ('src/dep1', 'https://url_dep1', None, '9', '10'),
-    ]
-
-    deps = {
-        dep_path: Dependency(dep_path, repo_url, current_revision)
-        for dep_path, repo_url, _0, _1, current_revision
-        in zipped_deps
-    }
-    self.mock(ChromeDependencyFetcher, 'GetDependency', lambda *_: deps)
-
-    dep_rolls = {
-        dep_path: DependencyRoll(dep_path, url, old_revision, new_revision)
-        for dep_path, url, old_revision, new_revision, _ in zipped_deps
-    }
-    self.mock(ChromeDependencyFetcher, 'GetDependencyRollsDict',
-              lambda *_: dep_rolls)
-
-    # N.B., the crash_stack must be non-empty in order to get any deps/rolls.
-    frames = [
-        StackFrame(
-            index, dep_path, 'func', 'a.cc', '%s/a.cc' % dep_path, [42], url)
-        for index, (dep_path, url, _0, _1, _2) in enumerate(zipped_deps)
-    ]
-    callstack = CallStack(0, frames)
-    report = CrashReportWithDependencies(
-        CrashReport(
-            crashed_version = '5',
-            signature = 'sig',
-            platform = 'canary',
-            stacktrace = Stacktrace([callstack], callstack),
-            regression_range = ('4', '5')),
-        self.dep_fetcher)
-
-    # Regression of a dep added/deleted (old_revision/new_revision is None) can
-    # not be known for sure and this case rarely happens, so just filter them
-    # out.
-    expected_regression_deps_rolls = copy.deepcopy(dep_rolls)
-    del expected_regression_deps_rolls['src/dep1']
-    self.assertEqual(report.dependency_rolls, expected_regression_deps_rolls)