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# Copyright (C) 2010 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
# OWNER OR 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.
import optparse
import sys
import tempfile
import unittest
from webkitpy.common.system.executive import Executive, ScriptError
from webkitpy.common.system import executive_mock
from webkitpy.common.system import filesystem
from webkitpy.common.system import outputcapture
from webkitpy.common.system.path import abspath_to_uri
from webkitpy.thirdparty.mock import Mock
from webkitpy.tool import mocktool
import base
import config
import config_mock
class PortTest(unittest.TestCase):
def test_format_wdiff_output_as_html(self):
output = "OUTPUT %s %s %s" % (base.Port._WDIFF_DEL, base.Port._WDIFF_ADD, base.Port._WDIFF_END)
html = base.Port()._format_wdiff_output_as_html(output)
expected_html = "<head><style>.del { background: #faa; } .add { background: #afa; }</style></head><pre>OUTPUT <span class=del> <span class=add> </span></pre>"
self.assertEqual(html, expected_html)
def test_wdiff_command(self):
port = base.Port()
port._path_to_wdiff = lambda: "/path/to/wdiff"
command = port._wdiff_command("/actual/path", "/expected/path")
expected_command = [
"/path/to/wdiff",
"--start-delete=##WDIFF_DEL##",
"--end-delete=##WDIFF_END##",
"--start-insert=##WDIFF_ADD##",
"--end-insert=##WDIFF_END##",
"/actual/path",
"/expected/path",
]
self.assertEqual(command, expected_command)
def _file_with_contents(self, contents, encoding="utf-8"):
new_file = tempfile.NamedTemporaryFile()
new_file.write(contents.encode(encoding))
new_file.flush()
return new_file
def test_pretty_patch_os_error(self):
port = base.Port(executive=executive_mock.MockExecutive2(exception=OSError))
oc = outputcapture.OutputCapture()
oc.capture_output()
self.assertEqual(port.pretty_patch_text("patch.txt"),
port._pretty_patch_error_html)
# This tests repeated calls to make sure we cache the result.
self.assertEqual(port.pretty_patch_text("patch.txt"),
port._pretty_patch_error_html)
oc.restore_output()
def test_pretty_patch_script_error(self):
# FIXME: This is some ugly white-box test hacking ...
base._pretty_patch_available = True
port = base.Port(executive=executive_mock.MockExecutive2(exception=ScriptError))
self.assertEqual(port.pretty_patch_text("patch.txt"),
port._pretty_patch_error_html)
# This tests repeated calls to make sure we cache the result.
self.assertEqual(port.pretty_patch_text("patch.txt"),
port._pretty_patch_error_html)
def test_run_wdiff(self):
executive = Executive()
# This may fail on some systems. We could ask the port
# object for the wdiff path, but since we don't know what
# port object to use, this is sufficient for now.
try:
wdiff_path = executive.run_command(["which", "wdiff"]).rstrip()
except Exception, e:
wdiff_path = None
port = base.Port()
port._path_to_wdiff = lambda: wdiff_path
if wdiff_path:
# "with tempfile.NamedTemporaryFile() as actual" does not seem to work in Python 2.5
actual = self._file_with_contents(u"foo")
expected = self._file_with_contents(u"bar")
wdiff = port._run_wdiff(actual.name, expected.name)
expected_wdiff = "<head><style>.del { background: #faa; } .add { background: #afa; }</style></head><pre><span class=del>foo</span><span class=add>bar</span></pre>"
self.assertEqual(wdiff, expected_wdiff)
# Running the full wdiff_text method should give the same result.
port._wdiff_available = True # In case it's somehow already disabled.
wdiff = port.wdiff_text(actual.name, expected.name)
self.assertEqual(wdiff, expected_wdiff)
# wdiff should still be available after running wdiff_text with a valid diff.
self.assertTrue(port._wdiff_available)
actual.close()
expected.close()
# Bogus paths should raise a script error.
self.assertRaises(ScriptError, port._run_wdiff, "/does/not/exist", "/does/not/exist2")
self.assertRaises(ScriptError, port.wdiff_text, "/does/not/exist", "/does/not/exist2")
# wdiff will still be available after running wdiff_text with invalid paths.
self.assertTrue(port._wdiff_available)
base._wdiff_available = True
# If wdiff does not exist _run_wdiff should throw an OSError.
port._path_to_wdiff = lambda: "/invalid/path/to/wdiff"
self.assertRaises(OSError, port._run_wdiff, "foo", "bar")
# wdiff_text should not throw an error if wdiff does not exist.
self.assertEqual(port.wdiff_text("foo", "bar"), "")
# However wdiff should not be available after running wdiff_text if wdiff is missing.
self.assertFalse(port._wdiff_available)
def test_diff_text(self):
port = base.Port()
# Make sure that we don't run into decoding exceptions when the
# filenames are unicode, with regular or malformed input (expected or
# actual input is always raw bytes, not unicode).
port.diff_text('exp', 'act', 'exp.txt', 'act.txt')
port.diff_text('exp', 'act', u'exp.txt', 'act.txt')
port.diff_text('exp', 'act', u'a\xac\u1234\u20ac\U00008000', 'act.txt')
port.diff_text('exp' + chr(255), 'act', 'exp.txt', 'act.txt')
port.diff_text('exp' + chr(255), 'act', u'exp.txt', 'act.txt')
# Though expected and actual files should always be read in with no
# encoding (and be stored as str objects), test unicode inputs just to
# be safe.
port.diff_text(u'exp', 'act', 'exp.txt', 'act.txt')
port.diff_text(
u'a\xac\u1234\u20ac\U00008000', 'act', 'exp.txt', 'act.txt')
# And make sure we actually get diff output.
diff = port.diff_text('foo', 'bar', 'exp.txt', 'act.txt')
self.assertTrue('foo' in diff)
self.assertTrue('bar' in diff)
self.assertTrue('exp.txt' in diff)
self.assertTrue('act.txt' in diff)
self.assertFalse('nosuchthing' in diff)
def test_default_configuration_notfound(self):
# Test that we delegate to the config object properly.
port = base.Port(config=config_mock.MockConfig(default_configuration='default'))
self.assertEqual(port.default_configuration(), 'default')
def test_layout_tests_skipping(self):
port = base.Port()
port.skipped_layout_tests = lambda: ['foo/bar.html', 'media']
self.assertTrue(port.skips_layout_test('foo/bar.html'))
self.assertTrue(port.skips_layout_test('media/video-zoom.html'))
self.assertFalse(port.skips_layout_test('foo/foo.html'))
def test_setup_test_run(self):
port = base.Port()
# This routine is a no-op. We just test it for coverage.
port.setup_test_run()
def test_test_dirs(self):
port = base.Port()
dirs = port.test_dirs()
self.assertTrue('canvas' in dirs)
self.assertTrue('css2.1' in dirs)
def test_filename_to_uri(self):
port = base.Port()
layout_test_dir = port.layout_tests_dir()
test_file = port._filesystem.join(layout_test_dir, "foo", "bar.html")
# On Windows, absolute paths are of the form "c:\foo.txt". However,
# all current browsers (except for Opera) normalize file URLs by
# prepending an additional "/" as if the absolute path was
# "/c:/foo.txt". This means that all file URLs end up with "file:///"
# at the beginning.
if sys.platform == 'win32':
prefix = "file:///"
path = test_file.replace("\\", "/")
else:
prefix = "file://"
path = test_file
self.assertEqual(port.filename_to_uri(test_file),
abspath_to_uri(test_file))
def test_get_option__set(self):
options, args = optparse.OptionParser().parse_args([])
options.foo = 'bar'
port = base.Port(options=options)
self.assertEqual(port.get_option('foo'), 'bar')
def test_get_option__unset(self):
port = base.Port()
self.assertEqual(port.get_option('foo'), None)
def test_get_option__default(self):
port = base.Port()
self.assertEqual(port.get_option('foo', 'bar'), 'bar')
def test_name__unset(self):
port = base.Port()
self.assertEqual(port.name(), None)
def test_name__set(self):
port = base.Port(port_name='foo')
self.assertEqual(port.name(), 'foo')
class VirtualTest(unittest.TestCase):
"""Tests that various methods expected to be virtual are."""
def assertVirtual(self, method, *args, **kwargs):
self.assertRaises(NotImplementedError, method, *args, **kwargs)
def test_virtual_methods(self):
port = base.Port()
self.assertVirtual(port.baseline_path)
self.assertVirtual(port.baseline_search_path)
self.assertVirtual(port.check_build, None)
self.assertVirtual(port.check_image_diff)
self.assertVirtual(port.create_driver, 0)
self.assertVirtual(port.diff_image, None, None)
self.assertVirtual(port.path_to_test_expectations_file)
self.assertVirtual(port.test_platform_name)
self.assertVirtual(port.results_directory)
self.assertVirtual(port.test_expectations)
self.assertVirtual(port.test_platform_name)
self.assertVirtual(port.test_platforms)
self.assertVirtual(port.test_platform_name_to_name, None)
self.assertVirtual(port.version)
self.assertVirtual(port._path_to_apache)
self.assertVirtual(port._path_to_apache_config_file)
self.assertVirtual(port._path_to_driver)
self.assertVirtual(port._path_to_helper)
self.assertVirtual(port._path_to_image_diff)
self.assertVirtual(port._path_to_lighttpd)
self.assertVirtual(port._path_to_lighttpd_modules)
self.assertVirtual(port._path_to_lighttpd_php)
self.assertVirtual(port._path_to_wdiff)
self.assertVirtual(port._shut_down_http_server, None)
def test_virtual_driver_method(self):
self.assertRaises(NotImplementedError, base.Driver, base.Port(),
0)
def test_virtual_driver_methods(self):
class VirtualDriver(base.Driver):
def __init__(self):
pass
driver = VirtualDriver()
self.assertVirtual(driver.run_test, None)
self.assertVirtual(driver.poll)
self.assertVirtual(driver.stop)
class DriverTest(unittest.TestCase):
def _assert_wrapper(self, wrapper_string, expected_wrapper):
wrapper = base.Driver._command_wrapper(wrapper_string)
self.assertEqual(wrapper, expected_wrapper)
def test_command_wrapper(self):
self._assert_wrapper(None, [])
self._assert_wrapper("valgrind", ["valgrind"])
# Validate that shlex works as expected.
command_with_spaces = "valgrind --smc-check=\"check with spaces!\" --foo"
expected_parse = ["valgrind", "--smc-check=check with spaces!", "--foo"]
self._assert_wrapper(command_with_spaces, expected_parse)
if __name__ == '__main__':
unittest.main()
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