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PRESUBMIT_test.py
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#!/usr/bin/env python3
# Copyright 2012 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import io
import os.path
import subprocess
import textwrap
import unittest
import PRESUBMIT
from PRESUBMIT_test_mocks import MockFile, MockAffectedFile
from PRESUBMIT_test_mocks import MockInputApi, MockOutputApi
_TEST_DATA_DIR = 'base/test/data/presubmit'
class VersionControlConflictsTest(unittest.TestCase):
def testTypicalConflict(self):
lines = [
'<<<<<<< HEAD', ' base::ScopedTempDir temp_dir_;', '=======',
' ScopedTempDir temp_dir_;', '>>>>>>> master'
]
errors = PRESUBMIT._CheckForVersionControlConflictsInFile(
MockInputApi(), MockFile('some/path/foo_platform.cc', lines))
self.assertEqual(3, len(errors))
self.assertTrue('1' in errors[0])
self.assertTrue('3' in errors[1])
self.assertTrue('5' in errors[2])
def testIgnoresReadmes(self):
lines = [
'A First Level Header', '====================', '',
'A Second Level Header', '---------------------'
]
errors = PRESUBMIT._CheckForVersionControlConflictsInFile(
MockInputApi(), MockFile('some/polymer/README.md', lines))
self.assertEqual(0, len(errors))
class BadExtensionsTest(unittest.TestCase):
def testBadRejFile(self):
mock_input_api = MockInputApi()
mock_input_api.files = [
MockFile('some/path/foo.cc', ''),
MockFile('some/path/foo.cc.rej', ''),
MockFile('some/path2/bar.h.rej', ''),
]
results = PRESUBMIT.CheckPatchFiles(mock_input_api, MockOutputApi())
self.assertEqual(1, len(results))
self.assertEqual(2, len(results[0].items))
self.assertTrue('foo.cc.rej' in results[0].items[0])
self.assertTrue('bar.h.rej' in results[0].items[1])
def testBadOrigFile(self):
mock_input_api = MockInputApi()
mock_input_api.files = [
MockFile('other/path/qux.h.orig', ''),
MockFile('other/path/qux.h', ''),
MockFile('other/path/qux.cc', ''),
]
results = PRESUBMIT.CheckPatchFiles(mock_input_api, MockOutputApi())
self.assertEqual(1, len(results))
self.assertEqual(1, len(results[0].items))
self.assertTrue('qux.h.orig' in results[0].items[0])
def testGoodFiles(self):
mock_input_api = MockInputApi()
mock_input_api.files = [
MockFile('other/path/qux.h', ''),
MockFile('other/path/qux.cc', ''),
]
results = PRESUBMIT.CheckPatchFiles(mock_input_api, MockOutputApi())
self.assertEqual(0, len(results))
class CheckForSuperfluousStlIncludesInHeadersTest(unittest.TestCase):
def testGoodFiles(self):
mock_input_api = MockInputApi()
mock_input_api.files = [
# The check is not smart enough to figure out which definitions correspond
# to which header.
MockFile('other/path/foo.h', ['#include <string>', 'std::vector']),
# The check is not smart enough to do IWYU.
MockFile('other/path/bar.h',
['#include "base/check.h"', 'std::vector']),
MockFile('other/path/qux.h',
['#include "base/stl_util.h"', 'foobar']),
MockFile('other/path/baz.h',
['#include "set/vector.h"', 'bazzab']),
# The check is only for header files.
MockFile('other/path/not_checked.cc',
['#include <vector>', 'bazbaz']),
]
results = PRESUBMIT.CheckForSuperfluousStlIncludesInHeaders(
mock_input_api, MockOutputApi())
self.assertEqual(0, len(results))
def testBadFiles(self):
mock_input_api = MockInputApi()
mock_input_api.files = [
MockFile('other/path/foo.h', ['#include <vector>', 'vector']),
MockFile(
'other/path/bar.h',
['#include <limits>', '#include <set>', 'no_std_namespace']),
]
results = PRESUBMIT.CheckForSuperfluousStlIncludesInHeaders(
mock_input_api, MockOutputApi())
self.assertEqual(1, len(results))
self.assertTrue('foo.h: Includes STL' in results[0].message)
self.assertTrue('bar.h: Includes STL' in results[0].message)
class CheckSingletonInHeadersTest(unittest.TestCase):
def testSingletonInArbitraryHeader(self):
diff_singleton_h = [
'base::subtle::AtomicWord '
'base::Singleton<Type, Traits, DifferentiatingType>::'
]
diff_foo_h = [
'// base::Singleton<Foo> in comment.',
'friend class base::Singleton<Foo>'
]
diff_foo2_h = [' //Foo* bar = base::Singleton<Foo>::get();']
diff_bad_h = ['Foo* foo = base::Singleton<Foo>::get();']
mock_input_api = MockInputApi()
mock_input_api.files = [
MockAffectedFile('base/memory/singleton.h', diff_singleton_h),
MockAffectedFile('foo.h', diff_foo_h),
MockAffectedFile('foo2.h', diff_foo2_h),
MockAffectedFile('bad.h', diff_bad_h)
]
warnings = PRESUBMIT.CheckSingletonInHeaders(mock_input_api,
MockOutputApi())
self.assertEqual(1, len(warnings))
self.assertEqual(1, len(warnings[0].items))
self.assertEqual('error', warnings[0].type)
self.assertTrue('Found base::Singleton<T>' in warnings[0].message)
def testSingletonInCC(self):
diff_cc = ['Foo* foo = base::Singleton<Foo>::get();']
mock_input_api = MockInputApi()
mock_input_api.files = [MockAffectedFile('some/path/foo.cc', diff_cc)]
warnings = PRESUBMIT.CheckSingletonInHeaders(mock_input_api,
MockOutputApi())
self.assertEqual(0, len(warnings))
class DeprecatedOSMacroNamesTest(unittest.TestCase):
def testDeprecatedOSMacroNames(self):
lines = [
'#if defined(OS_WIN)', ' #elif defined(OS_WINDOW)',
' # if defined(OS_MAC) || defined(OS_CHROME)'
]
errors = PRESUBMIT._CheckForDeprecatedOSMacrosInFile(
MockInputApi(), MockFile('some/path/foo_platform.cc', lines))
self.assertEqual(len(lines) + 1, len(errors))
self.assertTrue(
':1: defined(OS_WIN) -> BUILDFLAG(IS_WIN)' in errors[0])
class InvalidIfDefinedMacroNamesTest(unittest.TestCase):
def testInvalidIfDefinedMacroNames(self):
lines = [
'#if defined(TARGET_IPHONE_SIMULATOR)',
'#if !defined(TARGET_IPHONE_SIMULATOR)',
'#elif defined(TARGET_IPHONE_SIMULATOR)',
'#ifdef TARGET_IPHONE_SIMULATOR',
' # ifdef TARGET_IPHONE_SIMULATOR',
'# if defined(VALID) || defined(TARGET_IPHONE_SIMULATOR)',
'# else // defined(TARGET_IPHONE_SIMULATOR)',
'#endif // defined(TARGET_IPHONE_SIMULATOR)'
]
errors = PRESUBMIT._CheckForInvalidIfDefinedMacrosInFile(
MockInputApi(), MockFile('some/path/source.mm', lines))
self.assertEqual(len(lines), len(errors))
def testValidIfDefinedMacroNames(self):
lines = [
'#if defined(FOO)', '#ifdef BAR', '#if TARGET_IPHONE_SIMULATOR'
]
errors = PRESUBMIT._CheckForInvalidIfDefinedMacrosInFile(
MockInputApi(), MockFile('some/path/source.cc', lines))
self.assertEqual(0, len(errors))
class CheckNoUNIT_TESTInSourceFilesTest(unittest.TestCase):
def testUnitTestMacros(self):
lines = [
'#if defined(UNIT_TEST)', '#if defined UNIT_TEST',
'#if !defined(UNIT_TEST)', '#elif defined(UNIT_TEST)',
'#ifdef UNIT_TEST', ' # ifdef UNIT_TEST', '#ifndef UNIT_TEST',
'# if defined(VALID) || defined(UNIT_TEST)',
'# if defined(UNIT_TEST) && defined(VALID)',
'# else // defined(UNIT_TEST)', '#endif // defined(UNIT_TEST)'
]
errors = PRESUBMIT._CheckNoUNIT_TESTInSourceFiles(
MockInputApi(), MockFile('some/path/source.cc', lines))
self.assertEqual(len(lines), len(errors))
def testNotUnitTestMacros(self):
lines = [
'// Comment about "#if defined(UNIT_TEST)"',
'/* Comment about #if defined(UNIT_TEST)" */',
'#ifndef UNIT_TEST_H', '#define UNIT_TEST_H',
'#ifndef TEST_UNIT_TEST', '#define TEST_UNIT_TEST',
'#if defined(_UNIT_TEST)', '#if defined(UNIT_TEST_)',
'#ifdef _UNIT_TEST', '#ifdef UNIT_TEST_', '#ifndef _UNIT_TEST',
'#ifndef UNIT_TEST_'
]
errors = PRESUBMIT._CheckNoUNIT_TESTInSourceFiles(
MockInputApi(), MockFile('some/path/source.cc', lines))
self.assertEqual(0, len(errors))
class CheckEachPerfettoTestDataFileHasDepsEntry(unittest.TestCase):
def testNewSha256FileNoDEPS(self):
input_api = MockInputApi()
input_api.files = [
MockFile('base/tracing/test/data_sha256/new.pftrace.sha256', []),
]
results = PRESUBMIT.CheckEachPerfettoTestDataFileHasDepsEntry(
input_api, MockOutputApi())
self.assertEqual(
('You must update the DEPS file when you update a .sha256 file '
'in base/tracing/test/data_sha256'), results[0].message)
def testNewSha256FileSuccess(self):
input_api = MockInputApi()
new_deps = """deps = {
'src/base/tracing/test/data': {
'bucket': 'perfetto',
'objects': [
{
'object_name': 'test_data/new.pftrace-a1b2c3f4',
'sha256sum': 'a1b2c3f4',
'size_bytes': 1,
'generation': 1,
'output_file': 'new.pftrace'
},
],
'dep_type': 'gcs'
},
}""".splitlines()
input_api.files = [
MockFile('base/tracing/test/data_sha256/new.pftrace.sha256',
['a1b2c3f4']),
MockFile('DEPS', new_deps,
["deps={'src/base/tracing/test/data':{}}"]),
]
results = PRESUBMIT.CheckEachPerfettoTestDataFileHasDepsEntry(
input_api, MockOutputApi())
self.assertEqual(0, len(results))
def testNewSha256FileWrongSha256(self):
input_api = MockInputApi()
new_deps = """deps = {
'src/base/tracing/test/data': {
'bucket': 'perfetto',
'objects': [
{
'object_name': 'test_data/new.pftrace-a1b2c3f4',
'sha256sum': 'wrong_hash',
'size_bytes': 1,
'generation': 1,
'output_file': 'new.pftrace'
},
],
'dep_type': 'gcs'
},
}""".splitlines()
f = MockFile('base/tracing/test/data_sha256/new.pftrace.sha256',
['a1b2c3f4'])
input_api.files = [
f,
MockFile('DEPS', new_deps,
["deps={'src/base/tracing/test/data':{}}"]),
]
results = PRESUBMIT.CheckEachPerfettoTestDataFileHasDepsEntry(
input_api, MockOutputApi())
self.assertEqual(
('No corresponding DEPS entry found for %s. '
'Run `base/tracing/test/test_data.py get_deps --filepath %s` '
'to generate the DEPS entry.' % (f.LocalPath(), f.LocalPath())),
results[0].message)
def testDeleteSha256File(self):
input_api = MockInputApi()
old_deps = """deps = {
'src/base/tracing/test/data': {
'bucket': 'perfetto',
'objects': [
{
'object_name': 'test_data/new.pftrace-a1b2c3f4',
'sha256sum': 'a1b2c3f4',
'size_bytes': 1,
'generation': 1,
'output_file': 'new.pftrace'
},
],
'dep_type': 'gcs'
},
}""".splitlines()
f = MockFile('base/tracing/test/data_sha256/new.pftrace.sha256', [],
['a1b2c3f4'],
action='D')
input_api.files = [
f,
MockFile('DEPS', old_deps, old_deps),
]
results = PRESUBMIT.CheckEachPerfettoTestDataFileHasDepsEntry(
input_api, MockOutputApi())
self.assertEqual((
'You deleted %s so you must also remove the corresponding DEPS entry.'
% f.LocalPath()), results[0].message)
def testDeleteSha256Success(self):
input_api = MockInputApi()
new_deps = """deps = {
'src/base/tracing/test/data': {
'bucket': 'perfetto',
'objects': [],
'dep_type': 'gcs'
},
}""".splitlines()
old_deps = """deps = {
'src/base/tracing/test/data': {
'bucket': 'perfetto',
'objects': [
{
'object_name': 'test_data/new.pftrace-a1b2c3f4',
'sha256sum': 'a1b2c3f4',
'size_bytes': 1,
'generation': 1,
'output_file': 'new.pftrace'
},
],
'dep_type': 'gcs'
},
}""".splitlines()
f = MockFile('base/tracing/test/data_sha256/new.pftrace.sha256', [],
['a1b2c3f4'],
action='D')
input_api.files = [
f,
MockFile('DEPS', new_deps, old_deps),
]
results = PRESUBMIT.CheckEachPerfettoTestDataFileHasDepsEntry(
input_api, MockOutputApi())
self.assertEqual(0, len(results))
class CheckAddedDepsHaveTestApprovalsTest(unittest.TestCase):
def calculate(self, old_include_rules, old_specific_include_rules,
new_include_rules, new_specific_include_rules):
return PRESUBMIT._CalculateAddedDeps(
os.path, 'include_rules = %r\nspecific_include_rules = %r' %
(old_include_rules, old_specific_include_rules),
'include_rules = %r\nspecific_include_rules = %r' %
(new_include_rules, new_specific_include_rules))
def testCalculateAddedDeps(self):
old_include_rules = [
'+base',
'-chrome',
'+content',
'-grit',
'-grit/",',
'+jni/fooblat.h',
'!sandbox',
]
old_specific_include_rules = {
'compositor\.*': {
'+cc',
},
}
new_include_rules = [
'-ash',
'+base',
'+chrome',
'+components',
'+content',
'+grit',
'+grit/generated_resources.h",',
'+grit/",',
'+jni/fooblat.h',
'+policy',
'+' + os.path.join('third_party', 'WebKit'),
]
new_specific_include_rules = {
'compositor\.*': {
'+cc',
},
'widget\.*': {
'+gpu',
},
}
expected = set([
os.path.join('chrome', 'DEPS'),
os.path.join('gpu', 'DEPS'),
os.path.join('components', 'DEPS'),
os.path.join('policy', 'DEPS'),
os.path.join('third_party', 'WebKit', 'DEPS'),
])
self.assertEqual(
expected,
self.calculate(old_include_rules, old_specific_include_rules,
new_include_rules, new_specific_include_rules))
def testCalculateAddedDepsIgnoresPermutations(self):
old_include_rules = [
'+base',
'+chrome',
]
new_include_rules = [
'+chrome',
'+base',
]
self.assertEqual(
set(), self.calculate(old_include_rules, {}, new_include_rules,
{}))
class FakeOwnersClient(object):
APPROVED = "APPROVED"
PENDING = "PENDING"
returns = {}
def ListOwners(self, *args, **kwargs):
return self.returns.get(self.ListOwners.__name__, "")
def mockListOwners(self, owners):
self.returns[self.ListOwners.__name__] = owners
def GetFilesApprovalStatus(self, *args, **kwargs):
return self.returns.get(self.GetFilesApprovalStatus.__name__, {})
def mockGetFilesApprovalStatus(self, status):
self.returns[self.GetFilesApprovalStatus.__name__] = status
def SuggestOwners(self, *args, **kwargs):
return ["eng1", "eng2", "eng3"]
class fakeGerrit(object):
def IsOwnersOverrideApproved(self, issue):
return False
def setUp(self):
self.input_api = input_api = MockInputApi()
input_api.environ = {}
input_api.owners_client = self.FakeOwnersClient()
input_api.gerrit = self.fakeGerrit()
input_api.change.issue = 123
self.mockOwnersAndReviewers("owner", set(["reviewer"]))
self.mockListSubmodules([])
def mockOwnersAndReviewers(self, owner, reviewers):
def mock(*args, **kwargs):
return [owner, reviewers]
self.input_api.canned_checks.GetCodereviewOwnerAndReviewers = mock
def mockListSubmodules(self, paths):
def mock(*args, **kwargs):
return paths
self.input_api.ListSubmodules = mock
def testApprovedAdditionalDep(self):
old_deps = """include_rules = []""".splitlines()
new_deps = """include_rules = ["+v8/123"]""".splitlines()
self.input_api.files = [
MockAffectedFile("pdf/DEPS", new_deps, old_deps)
]
# mark the additional dep as approved.
os_path = self.input_api.os_path
self.input_api.owners_client.mockGetFilesApprovalStatus(
{os_path.join('v8/123', 'DEPS'): self.FakeOwnersClient.APPROVED})
results = PRESUBMIT.CheckAddedDepsHaveTargetApprovals(
self.input_api, MockOutputApi())
# Then, the check should pass.
self.assertEqual([], results)
def testUnapprovedAdditionalDep(self):
old_deps = """include_rules = []""".splitlines()
new_deps = """include_rules = ["+v8/123"]""".splitlines()
self.input_api.files = [
MockAffectedFile('pdf/DEPS', new_deps, old_deps),
]
# pending.
os_path = self.input_api.os_path
self.input_api.owners_client.mockGetFilesApprovalStatus(
{os_path.join('v8/123', 'DEPS'): self.FakeOwnersClient.PENDING})
results = PRESUBMIT.CheckAddedDepsHaveTargetApprovals(
self.input_api, MockOutputApi())
# the check should fail
self.assertIn('You need LGTM', results[0].message)
self.assertIn('+v8/123', results[0].message)
# unless the added dep is from a submodule.
self.mockListSubmodules(['v8'])
results = PRESUBMIT.CheckAddedDepsHaveTargetApprovals(
self.input_api, MockOutputApi())
self.assertEqual([], results)
class JSONParsingTest(unittest.TestCase):
def testSuccess(self):
input_api = MockInputApi()
filename = 'valid_json.json'
contents = [
'// This is a comment.', '{', ' "key1": ["value1", "value2"],',
' "key2": 3 // This is an inline comment.', '}'
]
input_api.files = [MockFile(filename, contents)]
self.assertEqual(None,
PRESUBMIT._GetJSONParseError(input_api, filename))
def testFailure(self):
input_api = MockInputApi()
test_data = [
('invalid_json_1.json', ['{ x }'], 'Expecting property name'),
('invalid_json_2.json', ['// Hello world!', '{ "hello": "world }'],
'Unterminated string starting at:'),
('invalid_json_3.json', ['{ "a": "b", "c": "d", }'],
'Expecting property name'),
('invalid_json_4.json', ['{ "a": "b" "c": "d" }'],
"Expecting ',' delimiter:"),
]
input_api.files = [
MockFile(filename, contents)
for (filename, contents, _) in test_data
]
for (filename, _, expected_error) in test_data:
actual_error = PRESUBMIT._GetJSONParseError(input_api, filename)
self.assertTrue(
expected_error in str(actual_error),
"'%s' not found in '%s'" % (expected_error, actual_error))
def testNoEatComments(self):
input_api = MockInputApi()
file_with_comments = 'file_with_comments.json'
contents_with_comments = [
'// This is a comment.', '{', ' "key1": ["value1", "value2"],',
' "key2": 3 // This is an inline comment.', '}'
]
file_without_comments = 'file_without_comments.json'
contents_without_comments = [
'{', ' "key1": ["value1", "value2"],', ' "key2": 3', '}'
]
input_api.files = [
MockFile(file_with_comments, contents_with_comments),
MockFile(file_without_comments, contents_without_comments)
]
self.assertNotEqual(
None,
str(
PRESUBMIT._GetJSONParseError(input_api,
file_with_comments,
eat_comments=False)))
self.assertEqual(
None,
PRESUBMIT._GetJSONParseError(input_api,
file_without_comments,
eat_comments=False))
class IDLParsingTest(unittest.TestCase):
def testSuccess(self):
input_api = MockInputApi()
filename = 'valid_idl_basics.idl'
contents = [
'// Tests a valid IDL file.', 'namespace idl_basics {',
' enum EnumType {', ' name1,', ' name2', ' };', '',
' dictionary MyType1 {', ' DOMString a;', ' };', '',
' callback Callback1 = void();',
' callback Callback2 = void(long x);',
' callback Callback3 = void(MyType1 arg);',
' callback Callback4 = void(EnumType type);', '',
' interface Functions {', ' static void function1();',
' static void function2(long x);',
' static void function3(MyType1 arg);',
' static void function4(Callback1 cb);',
' static void function5(Callback2 cb);',
' static void function6(Callback3 cb);',
' static void function7(Callback4 cb);', ' };', '',
' interface Events {', ' static void onFoo1();',
' static void onFoo2(long x);',
' static void onFoo2(MyType1 arg);',
' static void onFoo3(EnumType type);', ' };', '};'
]
input_api.files = [MockFile(filename, contents)]
self.assertEqual(None,
PRESUBMIT._GetIDLParseError(input_api, filename))
def testFailure(self):
input_api = MockInputApi()
test_data = [
('invalid_idl_1.idl', [
'//', 'namespace test {', ' dictionary {', ' DOMString s;',
' };', '};'
], 'Unexpected "{" after keyword "dictionary".\n'),
# TODO(yoz): Disabled because it causes the IDL parser to hang.
# See crbug.com/363830.
# ('invalid_idl_2.idl',
# (['namespace test {',
# ' dictionary MissingSemicolon {',
# ' DOMString a',
# ' DOMString b;',
# ' };',
# '};'],
# 'Unexpected symbol DOMString after symbol a.'),
('invalid_idl_3.idl', [
'//', 'namespace test {', ' enum MissingComma {', ' name1',
' name2', ' };', '};'
], 'Unexpected symbol name2 after symbol name1.'),
('invalid_idl_4.idl', [
'//', 'namespace test {', ' enum TrailingComma {',
' name1,', ' name2,', ' };', '};'
], 'Trailing comma in block.'),
('invalid_idl_5.idl',
['//', 'namespace test {', ' callback Callback1 = void(;',
'};'], 'Unexpected ";" after "(".'),
('invalid_idl_6.idl', [
'//', 'namespace test {',
' callback Callback1 = void(long );', '};'
], 'Unexpected ")" after symbol long.'),
('invalid_idl_7.idl', [
'//', 'namespace test {', ' interace Events {',
' static void onFoo1();', ' };', '};'
], 'Unexpected symbol Events after symbol interace.'),
('invalid_idl_8.idl', [
'//', 'namespace test {', ' interface NotEvent {',
' static void onFoo1();', ' };', '};'
], 'Did not process Interface Interface(NotEvent)'),
('invalid_idl_9.idl', [
'//', 'namespace test {', ' interface {',
' static void function1();', ' };', '};'
], 'Interface missing name.'),
]
input_api.files = [
MockFile(filename, contents)
for (filename, contents, _) in test_data
]
for (filename, _, expected_error) in test_data:
actual_error = PRESUBMIT._GetIDLParseError(input_api, filename)
self.assertTrue(
expected_error in str(actual_error),
"'%s' not found in '%s'" % (expected_error, actual_error))
class UserMetricsActionTest(unittest.TestCase):
def testUserMetricsActionInActions(self):
input_api = MockInputApi()
file_with_user_action = 'file_with_user_action.cc'
contents_with_user_action = ['base::UserMetricsAction("AboutChrome")']
input_api.files = [
MockFile(file_with_user_action, contents_with_user_action)
]
self.assertEqual([],
PRESUBMIT.CheckUserActionUpdate(
input_api, MockOutputApi()))
def testUserMetricsActionNotAddedToActions(self):
input_api = MockInputApi()
file_with_user_action = 'file_with_user_action.cc'
contents_with_user_action = [
'base::UserMetricsAction("NotInActionsXml")'
]
input_api.files = [
MockFile(file_with_user_action, contents_with_user_action)
]
output = PRESUBMIT.CheckUserActionUpdate(input_api, MockOutputApi())
self.assertEqual(
('File %s line %d: %s is missing in '
'tools/metrics/actions/actions.xml. Please run '
'tools/metrics/actions/extract_actions.py to update.' %
(file_with_user_action, 1, 'NotInActionsXml')), output[0].message)
def testUserMetricsActionInTestFile(self):
input_api = MockInputApi()
file_with_user_action = 'file_with_user_action_unittest.cc'
contents_with_user_action = [
'base::UserMetricsAction("NotInActionsXml")'
]
input_api.files = [
MockFile(file_with_user_action, contents_with_user_action)
]
self.assertEqual([],
PRESUBMIT.CheckUserActionUpdate(
input_api, MockOutputApi()))
class PydepsNeedsUpdatingTest(unittest.TestCase):
class MockPopen:
def __init__(self, stdout):
self.stdout = io.StringIO(stdout)
def wait(self):
return 0
class MockSubprocess:
CalledProcessError = subprocess.CalledProcessError
PIPE = 0
def __init__(self):
self._popen_func = None
def SetPopenCallback(self, func):
self._popen_func = func
def Popen(self, cmd, *args, **kwargs):
return PydepsNeedsUpdatingTest.MockPopen(self._popen_func(cmd))
def _MockParseGclientArgs(self, is_android=True):
return lambda: {'checkout_android': 'true' if is_android else 'false'}
def setUp(self):
mock_all_pydeps = ['A.pydeps', 'B.pydeps', 'D.pydeps']
self.old_ALL_PYDEPS_FILES = PRESUBMIT._ALL_PYDEPS_FILES
PRESUBMIT._ALL_PYDEPS_FILES = mock_all_pydeps
mock_android_pydeps = ['D.pydeps']
self.old_ANDROID_SPECIFIC_PYDEPS_FILES = (
PRESUBMIT._ANDROID_SPECIFIC_PYDEPS_FILES)
PRESUBMIT._ANDROID_SPECIFIC_PYDEPS_FILES = mock_android_pydeps
self.old_ParseGclientArgs = PRESUBMIT._ParseGclientArgs
PRESUBMIT._ParseGclientArgs = self._MockParseGclientArgs()
self.mock_input_api = MockInputApi()
self.mock_output_api = MockOutputApi()
self.mock_input_api.subprocess = PydepsNeedsUpdatingTest.MockSubprocess(
)
self.checker = PRESUBMIT.PydepsChecker(self.mock_input_api,
mock_all_pydeps)
self.checker._file_cache = {
'A.pydeps':
'# Generated by:\n# CMD --output A.pydeps A\nA.py\nC.py\n',
'B.pydeps':
'# Generated by:\n# CMD --output B.pydeps B\nB.py\nC.py\n',
'D.pydeps': '# Generated by:\n# CMD --output D.pydeps D\nD.py\n',
}
def tearDown(self):
PRESUBMIT._ALL_PYDEPS_FILES = self.old_ALL_PYDEPS_FILES
PRESUBMIT._ANDROID_SPECIFIC_PYDEPS_FILES = (
self.old_ANDROID_SPECIFIC_PYDEPS_FILES)
PRESUBMIT._ParseGclientArgs = self.old_ParseGclientArgs
def _RunCheck(self):
return PRESUBMIT.CheckPydepsNeedsUpdating(
self.mock_input_api,
self.mock_output_api,
checker_for_tests=self.checker)
def testAddedPydep(self):
# PRESUBMIT.CheckPydepsNeedsUpdating is only implemented for Linux.
if not self.mock_input_api.platform.startswith('linux'):
return []
self.mock_input_api.files = [
MockAffectedFile('new.pydeps', [], action='A'),
]
self.mock_input_api.CreateMockFileInPath([
x.LocalPath()
for x in self.mock_input_api.AffectedFiles(include_deletes=True)
])
results = self._RunCheck()
self.assertEqual(1, len(results))
self.assertIn('PYDEPS_FILES', str(results[0]))
def testPydepNotInSrc(self):
self.mock_input_api.files = [
MockAffectedFile('new.pydeps', [], action='A'),
]
self.mock_input_api.CreateMockFileInPath([])
results = self._RunCheck()
self.assertEqual(0, len(results))
def testRemovedPydep(self):
# PRESUBMIT.CheckPydepsNeedsUpdating is only implemented for Linux.
if not self.mock_input_api.platform.startswith('linux'):
return []
self.mock_input_api.files = [
MockAffectedFile(PRESUBMIT._ALL_PYDEPS_FILES[0], [], action='D'),
]
self.mock_input_api.CreateMockFileInPath([
x.LocalPath()
for x in self.mock_input_api.AffectedFiles(include_deletes=True)
])
results = self._RunCheck()
self.assertEqual(1, len(results))
self.assertIn('PYDEPS_FILES', str(results[0]))
def testRandomPyIgnored(self):
# PRESUBMIT.CheckPydepsNeedsUpdating is only implemented for Linux.
if not self.mock_input_api.platform.startswith('linux'):
return []
self.mock_input_api.files = [
MockAffectedFile('random.py', []),
]
results = self._RunCheck()
self.assertEqual(0, len(results), 'Unexpected results: %r' % results)
def testRelevantPyNoChange(self):
# PRESUBMIT.CheckPydepsNeedsUpdating is only implemented for Linux.
if not self.mock_input_api.platform.startswith('linux'):
return []
self.mock_input_api.files = [
MockAffectedFile('A.py', []),
]
def popen_callback(cmd):
self.assertEqual('CMD --output A.pydeps A --output ""', cmd)
return self.checker._file_cache['A.pydeps']
self.mock_input_api.subprocess.SetPopenCallback(popen_callback)
results = self._RunCheck()
self.assertEqual(0, len(results), 'Unexpected results: %r' % results)
def testRelevantPyOneChange(self):
# PRESUBMIT.CheckPydepsNeedsUpdating is only implemented for Linux.
if not self.mock_input_api.platform.startswith('linux'):
return []
self.mock_input_api.files = [
MockAffectedFile('A.py', []),
]
def popen_callback(cmd):
self.assertEqual('CMD --output A.pydeps A --output ""', cmd)
return 'changed data'
self.mock_input_api.subprocess.SetPopenCallback(popen_callback)
results = self._RunCheck()
self.assertEqual(1, len(results))
# Check that --output "" is not included.
self.assertNotIn('""', str(results[0]))
self.assertIn('File is stale', str(results[0]))
def testRelevantPyTwoChanges(self):
# PRESUBMIT.CheckPydepsNeedsUpdating is only implemented for Linux.
if not self.mock_input_api.platform.startswith('linux'):
return []
self.mock_input_api.files = [
MockAffectedFile('C.py', []),
]
def popen_callback(cmd):
return 'changed data'
self.mock_input_api.subprocess.SetPopenCallback(popen_callback)
results = self._RunCheck()
self.assertEqual(2, len(results))
self.assertIn('File is stale', str(results[0]))
self.assertIn('File is stale', str(results[1]))
def testRelevantAndroidPyInNonAndroidCheckout(self):
# PRESUBMIT.CheckPydepsNeedsUpdating is only implemented for Linux.
if not self.mock_input_api.platform.startswith('linux'):
return []
self.mock_input_api.files = [
MockAffectedFile('D.py', []),
]
def popen_callback(cmd):
self.assertEqual('CMD --output D.pydeps D --output ""', cmd)
return 'changed data'
self.mock_input_api.subprocess.SetPopenCallback(popen_callback)
PRESUBMIT._ParseGclientArgs = self._MockParseGclientArgs(
is_android=False)
results = self._RunCheck()
self.assertEqual(1, len(results))
self.assertIn('Android', str(results[0]))
self.assertIn('D.pydeps', str(results[0]))
def testGnPathsAndMissingOutputFlag(self):
# PRESUBMIT.CheckPydepsNeedsUpdating is only implemented for Linux.
if not self.mock_input_api.platform.startswith('linux'):
return []
self.checker._file_cache = {
'A.pydeps':
'# Generated by:\n# CMD --gn-paths A\n//A.py\n//C.py\n',
'B.pydeps':
'# Generated by:\n# CMD --gn-paths B\n//B.py\n//C.py\n',
'D.pydeps': '# Generated by:\n# CMD --gn-paths D\n//D.py\n',
}
self.mock_input_api.files = [
MockAffectedFile('A.py', []),
]
def popen_callback(cmd):
self.assertEqual('CMD --gn-paths A --output A.pydeps --output ""',
cmd)
return 'changed data'
self.mock_input_api.subprocess.SetPopenCallback(popen_callback)
results = self._RunCheck()
self.assertEqual(1, len(results))
self.assertIn('File is stale', str(results[0]))
class IncludeGuardTest(unittest.TestCase):
def testIncludeGuardChecks(self):
mock_input_api = MockInputApi()
mock_output_api = MockOutputApi()
mock_input_api.files = [
MockAffectedFile('content/browser/thing/foo.h', [
'// Comment',
'#ifndef CONTENT_BROWSER_THING_FOO_H_',
'#define CONTENT_BROWSER_THING_FOO_H_',
'struct McBoatFace;',
'#endif // CONTENT_BROWSER_THING_FOO_H_',
]),
MockAffectedFile('content/browser/thing/bar.h', [
'#ifndef CONTENT_BROWSER_THING_BAR_H_',
'#define CONTENT_BROWSER_THING_BAR_H_',
'namespace content {',
'#endif // CONTENT_BROWSER_THING_BAR_H_',
'} // namespace content',
]),
MockAffectedFile('content/browser/test1.h', [
'namespace content {',
'} // namespace content',
]),
MockAffectedFile('content\\browser\\win.h', [
'#ifndef CONTENT_BROWSER_WIN_H_',
'#define CONTENT_BROWSER_WIN_H_',
'struct McBoatFace;',
'#endif // CONTENT_BROWSER_WIN_H_',
]),
MockAffectedFile('content/browser/test2.h', [
'// Comment',
'#ifndef CONTENT_BROWSER_TEST2_H_',
'struct McBoatFace;',
'#endif // CONTENT_BROWSER_TEST2_H_',
]),
MockAffectedFile('content/browser/internal.h', [
'// Comment',
'#ifndef CONTENT_BROWSER_INTERNAL_H_',
'#define CONTENT_BROWSER_INTERNAL_H_',
'// Comment',
'#ifndef INTERNAL_CONTENT_BROWSER_INTERNAL_H_',
'#define INTERNAL_CONTENT_BROWSER_INTERNAL_H_',
'namespace internal {',
'} // namespace internal',
'#endif // INTERNAL_CONTENT_BROWSER_THING_BAR_H_',
'namespace content {',
'} // namespace content',
'#endif // CONTENT_BROWSER_THING_BAR_H_',