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# Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Unit tests for main.py."""
import os
import unittest
from main import change_directory
from webkitpy.style_references import LogTesting
class ChangeDirectoryTest(unittest.TestCase):
"""Tests change_directory()."""
_original_directory = "/original"
_checkout_root = "/WebKit"
class _MockOs(object):
"""A mock os module for unit testing."""
def __init__(self, test_case):
self._test_case = test_case
self._current_directory = \
ChangeDirectoryTest._original_directory
def chdir(self, current_directory):
self._current_directory = current_directory
def assertCurrentDirectory(self, expected_directory):
self._test_case.assertEquals(expected_directory,
self._current_directory)
def setUp(self):
self._log = LogTesting.setUp(self)
self._mock_os = self._MockOs(self)
def tearDown(self):
self._log.tearDown()
# This method is a convenient wrapper for change_working_directory() that
# passes the mock_os for this unit testing class.
def _change_directory(self, paths, checkout_root):
return change_directory(paths=paths,
checkout_root=checkout_root,
mock_os=self._mock_os)
def _assert_result(self, actual_return_value, expected_return_value,
expected_log_messages, expected_current_directory):
self.assertEquals(actual_return_value, expected_return_value)
self._log.assertMessages(expected_log_messages)
self._mock_os.assertCurrentDirectory(expected_current_directory)
def test_checkout_root_none_paths_none(self):
self.assertRaises(Exception, self._change_directory,
checkout_root=None, paths=None)
self._log.assertMessages([])
self._mock_os.assertCurrentDirectory(self._original_directory)
def test_checkout_root_none(self):
paths = self._change_directory(checkout_root=None,
paths=["path1"])
log_messages = [
"""WARNING: WebKit checkout root not found:
Path-dependent style checks may not work correctly.
See the help documentation for more info.
"""]
self._assert_result(paths, ["path1"], log_messages,
self._original_directory)
def test_paths_none(self):
paths = self._change_directory(checkout_root=self._checkout_root,
paths=None)
self._assert_result(paths, None, [], self._checkout_root)
def test_paths_convertible(self):
paths=["/WebKit/foo1.txt",
"/WebKit/foo2.txt"]
paths = self._change_directory(checkout_root=self._checkout_root,
paths=paths)
self._assert_result(paths, ["foo1.txt", "foo2.txt"], [],
self._checkout_root)
def test_with_scm_paths_unconvertible(self):
paths=["/WebKit/foo1.txt",
"/outside/foo2.txt"]
paths = self._change_directory(checkout_root=self._checkout_root,
paths=paths)
log_messages = [
"""WARNING: Path-dependent style checks may not work correctly:
One of the given paths is outside the WebKit checkout of the current
working directory:
Path: /outside/foo2.txt
Checkout root: /WebKit
Pass only files below the checkout root to ensure correct results.
See the help documentation for more info.
"""]
self._assert_result(paths, paths, log_messages,
self._original_directory)
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