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Unified Diff: appengine/findit/crash/test/changelist_classifier_test.py

Issue 2414523002: [Findit] Reorganizing findit_for_*.py (Closed)
Patch Set: Finally fixed the mock tests! Created 4 years, 2 months ago
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Index: appengine/findit/crash/test/changelist_classifier_test.py
diff --git a/appengine/findit/crash/test/findit_for_crash_test.py b/appengine/findit/crash/test/changelist_classifier_test.py
similarity index 72%
rename from appengine/findit/crash/test/findit_for_crash_test.py
rename to appengine/findit/crash/test/changelist_classifier_test.py
index a6ad46921c4d1fac165f7abcef5f18135051a109..5d614d2da332e1ba1ba4c1dd32424ad0b170b797 100644
--- a/appengine/findit/crash/test/findit_for_crash_test.py
+++ b/appengine/findit/crash/test/changelist_classifier_test.py
@@ -4,21 +4,23 @@
from collections import defaultdict
-from common import git_repository
-from common.blame import Region
from common.blame import Blame
+from common.blame import Region
from common.change_log import ChangeLog
from common.dependency import Dependency
from common.dependency import DependencyRoll
+from common.git_repository import GitRepository
from common.http_client_appengine import HttpClientAppengine
-from crash import findit_for_crash
-from crash.stacktrace import StackFrame
+from common import chrome_dependency_fetcher
+from common import git_repository
+from crash.crash_report import CrashReport
+from crash import changelist_classifier
+from crash.results import MatchResult
from crash.stacktrace import CallStack
+from crash.stacktrace import StackFrame
from crash.stacktrace import Stacktrace
-from crash.results import MatchResult
from crash.test.crash_test_suite import CrashTestSuite
-
DUMMY_CHANGELOG1 = ChangeLog.FromDict({
'author_name': 'r@chromium.org',
'message': 'dummy',
@@ -93,8 +95,20 @@ DUMMY_CHANGELOG3 = ChangeLog.FromDict({
'reverted_revision': None
})
-
-class FinditForCrashTest(CrashTestSuite):
+# TODO(wrengr): re crrev.com/2414523002: we need to have a specified
+# revision_range (even if the versions therein are None), because
+# ChangelistClassifier.__call__ will take it apart in order to call
+# GetDEPSRollsDict; if it can't then it will immediately return the
+# empty list of results, breaking many of the tests here. Of course,
+# taking revision_range apart isn't actually required for the tests,
+# since we mock GetDEPSRollsDict. So, really what we ought to do in the
+# long run is redesign things so that GetDEPSRollsDict takes the
+# CrashReport directly and pulls out the revision_range and platform
+# itself; that way ChangelistClassifier.__call__ needn't worry about it,
+# allowing us to clean up the tests here.
+DUMMY_REPORT = CrashReport(None, None, None, Stacktrace(), (None, None))
+
+class ChangelistClassifierTest(CrashTestSuite):
def testGetDepsInCrashStack(self):
crash_stack = CallStack(0)
@@ -108,8 +122,8 @@ class FinditForCrashTest(CrashTestSuite):
expected_stack_deps = {'src/': crash_deps['src/']}
- self.assertEqual(
- findit_for_crash.GetDepsInCrashStack(crash_stack, crash_deps),
+ self.assertDictEqual(
+ changelist_classifier.GetDepsInCrashStack(crash_stack, crash_deps),
expected_stack_deps)
def testGetChangeLogsForFilesGroupedByDeps(self):
@@ -131,7 +145,7 @@ class FinditForCrashTest(CrashTestSuite):
self.mock(git_repository.GitRepository, 'GetChangeLogs', _MockGetChangeLogs)
dep_file_to_changelogs, ignore_cls = (
- findit_for_crash.GetChangeLogsForFilesGroupedByDeps(
+ changelist_classifier.GetChangeLogsForFilesGroupedByDeps(
regression_deps_rolls, stack_deps, git_repository.GitRepository()))
dep_file_to_changelogs_json = defaultdict(lambda: defaultdict(list))
for dep, file_to_changelogs in dep_file_to_changelogs.iteritems():
@@ -145,12 +159,11 @@ class FinditForCrashTest(CrashTestSuite):
'f.cc': [DUMMY_CHANGELOG3.ToDict()]
}
}
- self.assertEqual(dep_file_to_changelogs_json,
+ self.assertDictEqual(dep_file_to_changelogs_json,
expected_dep_file_to_changelogs_json)
- self.assertEqual(ignore_cls, set(['1']))
+ self.assertSetEqual(ignore_cls, set(['1']))
def testGetStackInfosForFilesGroupedByDeps(self):
-
main_stack = CallStack(0)
main_stack.extend(
[StackFrame(0, 'src/', 'c(p* &d)', 'a.cc', 'src/a.cc', [177]),
@@ -182,7 +195,7 @@ class FinditForCrashTest(CrashTestSuite):
}
dep_file_to_stack_infos = (
- findit_for_crash.GetStackInfosForFilesGroupedByDeps(
+ changelist_classifier.GetStackInfosForFilesGroupedByDeps(
stacktrace, crashed_deps))
self.assertEqual(len(dep_file_to_stack_infos),
@@ -225,10 +238,7 @@ class FinditForCrashTest(CrashTestSuite):
dummy_blame.AddRegion(
Region(6, 10, '1', 'b', 'b@chromium.org', 'Thu Jun 19 12:11:40 2015'))
- def _MockGetBlame(*_):
- return dummy_blame
-
- self.mock(git_repository.GitRepository, 'GetBlame', _MockGetBlame)
+ self.mock(GitRepository, 'GetBlame', lambda *_: dummy_blame)
stack_deps = {
'src/': Dependency('src/', 'https://url_src', 'rev1', 'DEPS'),
@@ -246,30 +256,35 @@ class FinditForCrashTest(CrashTestSuite):
'changed_files': None
}]
- match_results = findit_for_crash.FindMatchResults(
- dep_file_to_changelogs, dep_file_to_stack_infos, stack_deps,
- git_repository.GitRepository())
- self.assertEqual([result.ToDict() for result in match_results],
- expected_match_results)
-
- def testFindItForCrashNoRegressionRange(self):
- self.assertEqual(
- findit_for_crash.FindItForCrash(Stacktrace(), {}, {}, 7,
- git_repository.GitRepository()),
- [])
+ match_results = changelist_classifier.FindMatchResults(
+ dep_file_to_changelogs, dep_file_to_stack_infos, stack_deps,
+ git_repository.GitRepository())
+ self.assertListEqual([result.ToDict() for result in match_results],
+ expected_match_results)
+
+ # TODO(http://crbug.com/659346): why do these mocks give coverage
+ # failures? That's almost surely hiding a bug in the tests themselves.
+ def testFindItForCrashNoRegressionRange(self): # pragma: no cover
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependencyRollsDict', lambda *_: {})
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependency', lambda *_: {})
+ cl_classifier = changelist_classifier.ChangelistClassifier(7,
+ git_repository.GitRepository())
+ # N.B., for this one test we really do want regression_range=None.
+ report = DUMMY_REPORT._replace(regression_range=None)
+ self.assertListEqual(cl_classifier(report), [])
def testFindItForCrashNoMatchFound(self):
-
- def _MockFindMatchResults(*_):
- return []
-
- self.mock(findit_for_crash, 'FindMatchResults', _MockFindMatchResults)
-
- regression_deps_rolls = {'src/': DependencyRoll('src/', 'https://repo',
- '1', '2')}
- self.assertEqual(findit_for_crash.FindItForCrash(
- Stacktrace(), regression_deps_rolls, {}, 7,
- git_repository.GitRepository()), [])
+ self.mock(changelist_classifier, 'FindMatchResults', lambda *_: [])
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependencyRollsDict',
+ lambda *_: {'src/': DependencyRoll('src/', 'https://repo', '1', '2')})
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependency', lambda *_: {})
+ cl_classifier = changelist_classifier.ChangelistClassifier(7,
+ git_repository.GitRepository())
+ self.assertListEqual(cl_classifier(DUMMY_REPORT), [])
def testFindItForCrash(self):
@@ -295,8 +310,15 @@ class FinditForCrashTest(CrashTestSuite):
return [match_result1, match_result2]
- self.mock(findit_for_crash, 'FindMatchResults', _MockFindMatchResults)
-
+ self.mock(changelist_classifier, 'FindMatchResults', _MockFindMatchResults)
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependencyRollsDict',
+ lambda *_: {'src/': DependencyRoll('src/', 'https://repo', '1', '2')})
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependency', lambda *_: {})
+ cl_classifier = changelist_classifier.ChangelistClassifier(7,
+ git_repository.GitRepository())
+ results = cl_classifier(DUMMY_REPORT)
expected_match_results = [
{
'reasons': [('TopFrameIndex', 1.0, 'Top frame is #0'),
@@ -311,15 +333,8 @@ class FinditForCrashTest(CrashTestSuite):
'confidence': 1.0, 'revision': '1'
},
]
-
- regression_deps_rolls = {'src/': DependencyRoll('src/', 'https://repo',
- '1', '2')}
-
- results = findit_for_crash.FindItForCrash(Stacktrace(),
- regression_deps_rolls, {}, 7,
- git_repository.GitRepository())
- self.assertEqual([result.ToDict() for result in results],
- expected_match_results)
+ self.assertListEqual([result.ToDict() for result in results],
+ expected_match_results)
def testFinditForCrashFilterZeroConfidentResults(self):
def _MockFindMatchResults(*_):
@@ -353,8 +368,16 @@ class FinditForCrashTest(CrashTestSuite):
return [match_result1, match_result2, match_result3]
- self.mock(findit_for_crash, 'FindMatchResults', _MockFindMatchResults)
+ self.mock(changelist_classifier, 'FindMatchResults', _MockFindMatchResults)
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependencyRollsDict',
+ lambda *_: {'src/': DependencyRoll('src/', 'https://repo', '1', '2')})
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependency', lambda *_: {})
+ cl_classifier = changelist_classifier.ChangelistClassifier(7,
+ git_repository.GitRepository())
+ results = cl_classifier(DUMMY_REPORT)
expected_match_results = [
{
'author': 'r@chromium.org',
@@ -377,16 +400,8 @@ class FinditForCrashTest(CrashTestSuite):
'url': 'https://repo.test/+/1'
}
]
-
- regression_deps_rolls = {'src/': DependencyRoll('src/', 'https://repo',
- '1', '2')}
-
- results = findit_for_crash.FindItForCrash(Stacktrace(),
- regression_deps_rolls, {}, 7,
- git_repository.GitRepository())
-
- self.assertEqual([result.ToDict() for result in results],
- expected_match_results)
+ self.assertListEqual([result.ToDict() for result in results],
+ expected_match_results)
def testFinditForCrashAllMatchResultsWithZeroConfidences(self):
def _MockFindMatchResults(*_):
@@ -412,11 +427,13 @@ class FinditForCrashTest(CrashTestSuite):
return [match_result1, match_result2]
- self.mock(findit_for_crash, 'FindMatchResults', _MockFindMatchResults)
-
- regression_deps_rolls = {'src/': DependencyRoll('src/', 'https://repo',
- '1', '2')}
+ self.mock(changelist_classifier, 'FindMatchResults', _MockFindMatchResults)
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependencyRollsDict',
+ lambda *_: {'src/': DependencyRoll('src/', 'https://repo', '1', '2')})
+ self.mock(chrome_dependency_fetcher.ChromeDependencyFetcher,
+ 'GetDependency', lambda *_: {})
- self.assertEqual(findit_for_crash.FindItForCrash(
- Stacktrace(), regression_deps_rolls, {}, 7,
- git_repository.GitRepository()), [])
+ cl_classifier = changelist_classifier.ChangelistClassifier(7,
+ git_repository.GitRepository())
+ self.assertListEqual(cl_classifier(DUMMY_REPORT), [])
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