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580 lines
23 KiB
Python
580 lines
23 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Unit tests for owners.py."""
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import os
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import sys
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import unittest
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from testing_support import filesystem_mock
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import owners
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ben = 'ben@example.com'
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brett = 'brett@example.com'
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darin = 'darin@example.com'
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jochen = 'jochen@example.com'
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john = 'john@example.com'
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ken = 'ken@example.com'
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peter = 'peter@example.com'
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tom = 'tom@example.com'
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def owners_file(*email_addresses, **kwargs):
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s = ''
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if kwargs.get('comment'):
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s += '# %s\n' % kwargs.get('comment')
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if kwargs.get('noparent'):
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s += 'set noparent\n'
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if kwargs.get('file'):
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s += 'file:%s\n' % kwargs.get('file')
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if kwargs.get('lines'):
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s += '\n'.join(kwargs.get('lines', [])) + '\n'
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return s + '\n'.join(email_addresses) + '\n'
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def test_repo():
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return filesystem_mock.MockFileSystem(files={
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'/DEPS' : '',
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'/OWNERS': owners_file(owners.EVERYONE),
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'/base/vlog.h': '',
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'/chrome/OWNERS': owners_file(ben, brett),
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'/chrome/browser/OWNERS': owners_file(brett),
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'/chrome/browser/defaults.h': '',
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'/chrome/gpu/OWNERS': owners_file(ken),
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'/chrome/gpu/gpu_channel.h': '',
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'/chrome/renderer/OWNERS': owners_file(peter),
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'/chrome/renderer/gpu/gpu_channel_host.h': '',
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'/chrome/renderer/safe_browsing/scorer.h': '',
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'/content/OWNERS': owners_file(john, darin, comment='foo', noparent=True),
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'/content/content.gyp': '',
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'/content/bar/foo.cc': '',
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'/content/baz/OWNERS': owners_file(brett),
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'/content/baz/froboz.h': '',
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'/content/baz/ugly.cc': '',
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'/content/baz/ugly.h': '',
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'/content/garply/OWNERS': owners_file(file='test/OWNERS'),
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'/content/garply/foo.cc': '',
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'/content/garply/test/OWNERS': owners_file(peter),
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'/content/qux/OWNERS': owners_file(peter, file='//content/baz/OWNERS'),
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'/content/qux/foo.cc': '',
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'/content/views/OWNERS': owners_file(ben, john, owners.EVERYONE,
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noparent=True),
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'/content/views/pie.h': '',
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})
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class _BaseTestCase(unittest.TestCase):
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def setUp(self):
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self.repo = test_repo()
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self.files = self.repo.files
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self.root = '/'
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self.fopen = self.repo.open_for_reading
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def db(self, root=None, fopen=None, os_path=None):
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root = root or self.root
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fopen = fopen or self.fopen
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os_path = os_path or self.repo
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# pylint: disable=no-value-for-parameter
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return owners.Database(root, fopen, os_path)
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class OwnersDatabaseTest(_BaseTestCase):
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def test_constructor(self):
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self.assertNotEquals(self.db(), None)
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def test_files_not_covered_by__valid_inputs(self):
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db = self.db()
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# Check that we're passed in a sequence that isn't a string.
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self.assertRaises(AssertionError, db.files_not_covered_by, 'foo', [])
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if hasattr(owners.collections, 'Iterable'):
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self.assertRaises(AssertionError, db.files_not_covered_by,
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(f for f in ['x', 'y']), [])
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# Check that the files are under the root.
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db.root = '/checkout'
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self.assertRaises(AssertionError, db.files_not_covered_by,
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['/OWNERS'], [])
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db.root = '/'
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# Check invalid email address.
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self.assertRaises(AssertionError, db.files_not_covered_by,
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['OWNERS'], ['foo'])
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def assert_files_not_covered_by(self, files, reviewers, unreviewed_files):
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db = self.db()
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self.assertEquals(db.files_not_covered_by(set(files), set(reviewers)),
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set(unreviewed_files))
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def test_files_not_covered_by__owners_propagates_down(self):
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self.assert_files_not_covered_by(
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['chrome/gpu/gpu_channel.h', 'chrome/renderer/gpu/gpu_channel_host.h'],
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[ben], [])
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def test_files_not_covered_by__partial_covering(self):
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self.assert_files_not_covered_by(
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['content/content.gyp', 'chrome/renderer/gpu/gpu_channel_host.h'],
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[peter], ['content/content.gyp'])
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def test_files_not_covered_by__set_noparent_works(self):
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self.assert_files_not_covered_by(['content/content.gyp'], [ben],
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['content/content.gyp'])
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def test_files_not_covered_by__no_reviewer(self):
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self.assert_files_not_covered_by(
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['content/content.gyp', 'chrome/renderer/gpu/gpu_channel_host.h'],
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[], ['content/content.gyp'])
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def test_files_not_covered_by__combines_directories(self):
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self.assert_files_not_covered_by(['content/content.gyp',
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'content/bar/foo.cc',
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'chrome/renderer/gpu/gpu_channel_host.h'],
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[peter],
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['content/content.gyp',
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'content/bar/foo.cc'])
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def test_files_not_covered_by__multiple_directories(self):
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self.assert_files_not_covered_by(
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['content/content.gyp', # Not covered
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'content/bar/foo.cc', # Not covered (combines in)
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'content/baz/froboz.h', # Not covered
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'chrome/gpu/gpu_channel.h', # Owned by ken
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'chrome/renderer/gpu/gpu_channel_host.h' # Owned by * via parent
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],
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[ken],
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['content/content.gyp', 'content/bar/foo.cc', 'content/baz/froboz.h'])
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def test_per_file(self):
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self.files['/content/baz/OWNERS'] = owners_file(brett,
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lines=['per-file ugly.*=tom@example.com'])
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# peter isn't allowed to approve ugly.cc
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self.assert_files_not_covered_by(['content/baz/ugly.cc'],
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[peter],
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['content/baz/ugly.cc'])
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# brett is allowed to approve ugly.cc
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self.assert_files_not_covered_by(['content/baz/ugly.cc'],
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[brett],
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[])
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# tom is allowed to approve ugly.cc, but not froboz.h
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self.assert_files_not_covered_by(['content/baz/ugly.cc'],
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[tom],
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[])
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self.assert_files_not_covered_by(['content/baz/froboz.h'],
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[tom],
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['content/baz/froboz.h'])
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def test_per_file_with_spaces(self):
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# This is the same as test_per_file(), except that we include spaces
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# on the per-file line.
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# tom is allowed to approve ugly.cc, but not froboz.h
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self.files['/content/baz/OWNERS'] = owners_file(brett,
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lines=['per-file ugly.* = tom@example.com'])
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# peter isn't allowed to approve ugly.cc
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self.assert_files_not_covered_by(['content/baz/ugly.cc'],
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[peter],
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['content/baz/ugly.cc'])
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# brett is allowed to approve ugly.cc
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self.assert_files_not_covered_by(['content/baz/ugly.cc'],
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[brett],
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[])
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# tom is allowed to approve ugly.cc, but not froboz.h
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self.assert_files_not_covered_by(['content/baz/ugly.cc'],
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[tom],
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[])
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self.assert_files_not_covered_by(['content/baz/froboz.h'],
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[tom],
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['content/baz/froboz.h'])
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def test_per_file_with_nonexistent_file(self):
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self.files['/content/baz/OWNERS'] = owners_file(brett,
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lines=['per-file ugly.*=tom@example.com'])
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# peter isn't allowed to approve ugly.nonexistent.cc, but brett and tom are.
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self.assert_files_not_covered_by(['content/baz/ugly.nonexistent.cc'],
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[peter],
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['content/baz/ugly.nonexistent.cc'])
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self.assert_files_not_covered_by(['content/baz/ugly.nonexistent.cc'],
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[brett],
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[])
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self.assert_files_not_covered_by(['content/baz/ugly.nonexistent.cc'],
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[tom],
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[])
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def test_per_file__set_noparent(self):
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self.files['/content/baz/OWNERS'] = owners_file(brett,
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lines=['per-file ugly.*=tom@example.com',
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'per-file ugly.*=set noparent'])
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# brett isn't allowed to approve ugly.cc
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self.assert_files_not_covered_by(['content/baz/ugly.cc'],
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[brett],
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['content/baz/ugly.cc'])
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# tom is allowed to approve ugly.cc, but not froboz.h
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self.assert_files_not_covered_by(['content/baz/ugly.cc'],
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[tom],
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[])
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self.assert_files_not_covered_by(['content/baz/froboz.h'],
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[tom],
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['content/baz/froboz.h'])
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def test_per_file_wildcard(self):
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self.files['/OWNERS'] = 'per-file DEPS=*\n'
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self.assert_files_not_covered_by(['DEPS'], [brett], [])
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def test_mock_relpath(self):
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# This test ensures the mock relpath has the arguments in the right
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# order; this should probably live someplace else.
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self.assertEquals(self.repo.relpath('foo/bar.c', 'foo/'), 'bar.c')
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self.assertEquals(self.repo.relpath('/bar.c', '/'), 'bar.c')
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def test_per_file_glob_across_dirs_not_allowed(self):
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self.files['/OWNERS'] = 'per-file content/*=john@example.org\n'
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self.assertRaises(owners.SyntaxErrorInOwnersFile,
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self.db().files_not_covered_by, ['DEPS'], [brett])
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def test_file_include_absolute_path(self):
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self.assert_files_not_covered_by(['content/qux/foo.cc'], [brett], [])
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self.assert_files_not_covered_by(['content/qux/bar.cc'], [peter], [])
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self.assert_files_not_covered_by(['content/qux/baz.cc'],
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[tom], ['content/qux/baz.cc'])
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def test_file_include_relative_path(self):
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self.assert_files_not_covered_by(['content/garply/foo.cc'], [peter], [])
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self.assert_files_not_covered_by(['content/garply/bar.cc'], [darin], [])
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self.assert_files_not_covered_by(['content/garply/baz.cc'],
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[tom], ['content/garply/baz.cc'])
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def test_file_include_relative_path_non_empty_root(self):
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old_root = self.root
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self.root = '/content'
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self.assert_files_not_covered_by(['garply/foo.cc'], [peter], [])
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self.assert_files_not_covered_by(['garply/bar.cc'], [darin], [])
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self.assert_files_not_covered_by(['garply/baz.cc'],
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[tom], ['garply/baz.cc'])
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self.root = old_root
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def test_file_include_per_file_absolute_path(self):
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self.files['/content/qux/OWNERS'] = owners_file(peter,
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lines=['per-file foo.*=file://content/baz/OWNERS'])
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self.assert_files_not_covered_by(['content/qux/foo.cc'], [brett], [])
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self.assert_files_not_covered_by(['content/qux/baz.cc'],
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[brett], ['content/qux/baz.cc'])
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def test_file_include_per_file_relative_path(self):
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self.files['/content/garply/OWNERS'] = owners_file(brett,
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lines=['per-file foo.*=file:test/OWNERS'])
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self.assert_files_not_covered_by(['content/garply/foo.cc'], [peter], [])
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self.assert_files_not_covered_by(['content/garply/baz.cc'],
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[peter], ['content/garply/baz.cc'])
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def test_file_include_recursive(self):
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self.files['/content/baz/OWNERS'] = owners_file(file='//chrome/gpu/OWNERS')
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self.assert_files_not_covered_by(['content/qux/foo.cc'], [ken], [])
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def test_file_include_different_filename(self):
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# This tests that a file named something other than OWNERS is not treated
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# like OWNERS; we want to make sure that ken and peter don't become owners
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# for /content, and that other owners for content still work.
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self.files['/content/baz/OWNERS'] = owners_file(file='//content/BAZ_OWNERS')
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self.files['/content/BAZ_OWNERS'] = owners_file([ken, peter])
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self.assert_files_not_covered_by(
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['content/baz/baz.cc', 'content/qux/foo.cc'],
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[ken], ['content/qux/foo.cc'])
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self.assert_files_not_covered_by(
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['content/baz/baz.cc', 'content/qux/foo.cc'],
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[ken, john], [])
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def test_file_include_recursive_loop(self):
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self.files['/content/baz/OWNERS'] = owners_file(brett,
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file='//content/qux/OWNERS')
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self.test_file_include_absolute_path()
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def test_file_include_different_filename(self):
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self.files['/owners/garply'] = owners_file(peter)
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self.files['/content/garply/OWNERS'] = owners_file(john,
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lines=['per-file foo.*=file://owners/garply'])
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self.assert_files_not_covered_by(['content/garply/foo.cc'], [peter], [])
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def assert_syntax_error(self, owners_file_contents):
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db = self.db()
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self.files['/foo/OWNERS'] = owners_file_contents
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self.files['/foo/DEPS'] = ''
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try:
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db.reviewers_for(['foo/DEPS'], None)
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self.fail() # pragma: no cover
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except owners.SyntaxErrorInOwnersFile, e:
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self.assertTrue(str(e).startswith('/foo/OWNERS:1'))
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def test_syntax_error__unknown_token(self):
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self.assert_syntax_error('{}\n')
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def test_syntax_error__unknown_set(self):
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self.assert_syntax_error('set myfatherisbillgates\n')
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def test_syntax_error__bad_email(self):
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self.assert_syntax_error('ben\n')
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def test_syntax_error__invalid_absolute_file(self):
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self.assert_syntax_error('file://foo/bar/baz\n')
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def test_syntax_error__invalid_relative_file(self):
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self.assert_syntax_error('file:foo/bar/baz\n')
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def test_non_existant_status_file(self):
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db = self.db()
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self.files['/OWNERS'] = owners_file(brett,
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comment='OWNERS_STATUS = nonexistant')
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self.files['/foo/DEPS'] = ''
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self.assertRaises(IOError, db.reviewers_for, ['foo/DEPS'], None)
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def test_comment_to_owners_mapping(self):
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db = self.db()
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self.files['/OWNERS'] = '\n'.join([
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'# first comment',
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ben,
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brett,
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'',
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darin,
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'',
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'# comment preceeded by empty line',
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'per-file bar.*=%s' % jochen,
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john,
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'',
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ken,
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'# comment in the middle',
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peter,
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tom])
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# Force loading of the OWNERS file.
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self.files['/bar.cc'] = ''
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db.reviewers_for(['bar.cc'], None)
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self.assertEqual(db.comments, {
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ben: {'': 'first comment'},
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brett: {'': 'first comment'},
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jochen: {'bar.*': 'comment preceeded by empty line'},
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john: {'': 'comment preceeded by empty line'},
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peter: {'': 'comment in the middle'}})
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class ReviewersForTest(_BaseTestCase):
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def assert_reviewers_for(self, files, potential_suggested_reviewers,
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author=None, override_files=None):
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db = self.db()
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db.override_files = override_files or {}
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suggested_reviewers = db.reviewers_for(set(files), author)
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self.assertTrue(suggested_reviewers in
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[set(suggestion) for suggestion in potential_suggested_reviewers])
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def test_reviewers_for__basic_functionality(self):
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self.assert_reviewers_for(['chrome/gpu/gpu_channel.h'],
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[[ken]])
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def test_reviewers_for__set_noparent_works(self):
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self.assert_reviewers_for(['content/content.gyp'],
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[[john],
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[darin]])
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def test_reviewers_for__valid_inputs(self):
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db = self.db()
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# Check that we're passed in a sequence that isn't a string.
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self.assertRaises(AssertionError, db.reviewers_for, 'foo', None)
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if hasattr(owners.collections, 'Iterable'):
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self.assertRaises(AssertionError, db.reviewers_for,
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(f for f in ['x', 'y']), None)
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# Check that the files are under the root.
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db.root = '/checkout'
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self.assertRaises(AssertionError, db.reviewers_for, ['/OWNERS'], None)
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def test_reviewers_for__wildcard_dir(self):
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self.assert_reviewers_for(['DEPS'], [['<anyone>']])
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self.assert_reviewers_for(['DEPS', 'chrome/gpu/gpu_channel.h'], [[ken]])
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def test_reviewers_for__one_owner(self):
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self.assert_reviewers_for([
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'chrome/gpu/gpu_channel.h',
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'content/baz/froboz.h',
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'chrome/renderer/gpu/gpu_channel_host.h'],
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[[brett]])
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def test_reviewers_for__two_owners(self):
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self.assert_reviewers_for([
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'chrome/gpu/gpu_channel.h',
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'content/content.gyp',
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'content/baz/froboz.h',
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'content/views/pie.h'],
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[[ken, john]])
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def test_reviewers_for__all_files(self):
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self.assert_reviewers_for([
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'chrome/gpu/gpu_channel.h',
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'chrome/renderer/gpu/gpu_channel_host.h',
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'chrome/renderer/safe_browsing/scorer.h',
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'content/content.gyp',
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'content/bar/foo.cc',
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'content/baz/froboz.h',
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'content/views/pie.h'],
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[[peter, ken, john]])
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def test_reviewers_for__per_file_owners_file(self):
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self.files['/content/baz/OWNERS'] = owners_file(lines=[
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'per-file ugly.*=tom@example.com'])
|
|
self.assert_reviewers_for(['content/baz/OWNERS'],
|
|
[[john],
|
|
[darin]])
|
|
|
|
def test_reviewers_for__per_file(self):
|
|
self.files['/content/baz/OWNERS'] = owners_file(lines=[
|
|
'per-file ugly.*=tom@example.com'])
|
|
self.assert_reviewers_for(['content/baz/ugly.cc'],
|
|
[[tom]])
|
|
|
|
def test_reviewers_for__two_nested_dirs(self):
|
|
# The same owner is listed in two directories (one above the other)
|
|
self.assert_reviewers_for(['chrome/browser/defaults.h'],
|
|
[[brett]])
|
|
|
|
# Here, although either ben or brett could review both files,
|
|
# someone closer to the gpu_channel_host.h should also be suggested.
|
|
# This also tests that we can handle two suggested reviewers
|
|
# with overlapping sets of directories properly.
|
|
self.files['/chrome/renderer/gpu/OWNERS'] = owners_file(ken)
|
|
self.assert_reviewers_for(['chrome/OWNERS',
|
|
'chrome/renderer/gpu/gpu_channel_host.h'],
|
|
[[ben, ken],
|
|
[brett, ken]])
|
|
|
|
def test_reviewers_for__author_is_known(self):
|
|
# We should never suggest ken as a reviewer for his own changes.
|
|
self.assert_reviewers_for(['chrome/gpu/gpu_channel.h'],
|
|
[[ben], [brett]], author=ken)
|
|
|
|
def test_reviewers_file_includes__absolute(self):
|
|
self.assert_reviewers_for(['content/qux/foo.cc'],
|
|
[[peter], [brett], [john], [darin]])
|
|
|
|
def test_reviewers_file_includes__relative(self):
|
|
self.assert_reviewers_for(['content/garply/foo.cc'],
|
|
[[peter], [john], [darin]])
|
|
|
|
def test_reviewers_file_includes__per_file(self):
|
|
self.files['/content/garply/OWNERS'] = owners_file(brett,
|
|
lines=['per-file foo.*=file:test/OWNERS'])
|
|
|
|
self.assert_reviewers_for(['content/garply/foo.cc'],
|
|
[[brett], [peter]])
|
|
self.assert_reviewers_for(['content/garply/bar.cc'],
|
|
[[brett]])
|
|
|
|
def test_reviewers_file_includes__per_file_noparent(self):
|
|
self.files['/content/garply/OWNERS'] = owners_file(brett,
|
|
lines=['per-file foo.*=set noparent',
|
|
'per-file foo.*=file:test/OWNERS'])
|
|
|
|
self.assert_reviewers_for(['content/garply/foo.cc'],
|
|
[[peter]])
|
|
self.assert_reviewers_for(['content/garply/bar.cc'],
|
|
[[brett]])
|
|
|
|
def test_override_files(self):
|
|
self.assert_reviewers_for(['content/baz/froboz.h'], [[jochen]],
|
|
override_files={'content/baz/OWNERS': [jochen]})
|
|
self.assert_reviewers_for(['content/baz/froboz.h'], [[john],[darin]],
|
|
override_files={'content/baz/OWNERS': []})
|
|
|
|
|
|
class LowestCostOwnersTest(_BaseTestCase):
|
|
# Keep the data in the test_lowest_cost_owner* methods as consistent with
|
|
# test_repo() where possible to minimize confusion.
|
|
|
|
def check(self, possible_owners, dirs, *possible_lowest_cost_owners):
|
|
suggested_owner = owners.Database.lowest_cost_owner(possible_owners, dirs)
|
|
self.assertTrue(suggested_owner in possible_lowest_cost_owners)
|
|
|
|
def test_one_dir_with_owner(self):
|
|
# brett is the only immediate owner for stuff in baz; john is also
|
|
# an owner, but further removed. We should always get brett.
|
|
self.check({brett: [('content/baz', 1)],
|
|
john: [('content/baz', 2)]},
|
|
['content/baz'],
|
|
brett)
|
|
|
|
# john and darin are owners for content; the suggestion could be either.
|
|
def test_one_dir_with_two_owners(self):
|
|
self.check({john: [('content', 1)],
|
|
darin: [('content', 1)]},
|
|
['content'],
|
|
john, darin)
|
|
|
|
def test_one_dir_with_two_owners_in_parent(self):
|
|
# As long as the distance is the same, it shouldn't matter (brett isn't
|
|
# listed in this case).
|
|
self.check({john: [('content/baz', 2)],
|
|
darin: [('content/baz', 2)]},
|
|
['content/baz'],
|
|
john, darin)
|
|
|
|
def test_two_dirs_two_owners(self):
|
|
# If they both match both dirs, they should be treated equally.
|
|
self.check({john: [('content/baz', 2), ('content/bar', 2)],
|
|
darin: [('content/baz', 2), ('content/bar', 2)]},
|
|
['content/baz', 'content/bar'],
|
|
john, darin)
|
|
|
|
# Here brett is better since he's closer for one of the two dirs.
|
|
self.check({brett: [('content/baz', 1), ('content/views', 1)],
|
|
darin: [('content/baz', 2), ('content/views', 1)]},
|
|
['content/baz', 'content/views'],
|
|
brett)
|
|
|
|
def test_hierarchy(self):
|
|
# the choices in these tests are more arbitrary value judgements;
|
|
# also, here we drift away from test_repo() to cover more cases.
|
|
|
|
# Here ben isn't picked, even though he can review both; we prefer
|
|
# closer reviewers.
|
|
self.check({ben: [('chrome/gpu', 2), ('chrome/renderer', 2)],
|
|
ken: [('chrome/gpu', 1)],
|
|
peter: [('chrome/renderer', 1)]},
|
|
['chrome/gpu', 'chrome/renderer'],
|
|
ken, peter)
|
|
|
|
# Here we always pick ben since he can review either dir as well as
|
|
# the others but can review both (giving us fewer total reviewers).
|
|
self.check({ben: [('chrome/gpu', 1), ('chrome/renderer', 1)],
|
|
ken: [('chrome/gpu', 1)],
|
|
peter: [('chrome/renderer', 1)]},
|
|
['chrome/gpu', 'chrome/renderer'],
|
|
ben)
|
|
|
|
# However, three reviewers is too many, so ben gets this one.
|
|
self.check({ben: [('chrome/gpu', 2), ('chrome/renderer', 2),
|
|
('chrome/browser', 2)],
|
|
ken: [('chrome/gpu', 1)],
|
|
peter: [('chrome/renderer', 1)],
|
|
brett: [('chrome/browser', 1)]},
|
|
['chrome/gpu', 'chrome/renderer',
|
|
'chrome/browser'],
|
|
ben)
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|