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#!/usr/bin/env python
# Copyright (C) 2011 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.
"""Unit tests for MockDRT."""
import sys
import unittest
from webkitpy.common import newstringio
from webkitpy.layout_tests.port import mock_drt
from webkitpy.layout_tests.port import factory
from webkitpy.layout_tests.port import port_testcase
from webkitpy.layout_tests.port import test
class MockDRTPortTest(port_testcase.PortTestCase):
def make_port(self):
if sys.platform == 'win32':
# We use this because the 'win' port doesn't work yet.
return mock_drt.MockDRTPort(port_name='mock-chromium-win')
return mock_drt.MockDRTPort()
def test_default_worker_model(self):
# only overridding the default test; we don't care about this one.
pass
def test_port_name_in_constructor(self):
self.assertTrue(mock_drt.MockDRTPort(port_name='mock-test'))
def test_acquire_http_lock(self):
# Only checking that no exception is raised.
self.make_port().acquire_http_lock()
def test_release_http_lock(self):
# Only checking that no exception is raised.
self.make_port().release_http_lock()
def test_check_build(self):
port = self.make_port()
self.assertTrue(port.check_build(True))
def test_check_sys_deps(self):
port = self.make_port()
self.assertTrue(port.check_sys_deps(True))
def test_start_helper(self):
# Only checking that no exception is raised.
self.make_port().start_helper()
def test_start_http_server(self):
# Only checking that no exception is raised.
self.make_port().start_http_server()
def test_start_websocket_server(self):
# Only checking that no exception is raised.
self.make_port().start_websocket_server()
def test_stop_helper(self):
# Only checking that no exception is raised.
self.make_port().stop_helper()
def test_stop_http_server(self):
# Only checking that no exception is raised.
self.make_port().stop_http_server()
def test_stop_websocket_server(self):
# Only checking that no exception is raised.
self.make_port().stop_websocket_server()
class MockDRTTest(unittest.TestCase):
def to_path(self, port, test_name):
return port._filesystem.join(port.layout_tests_dir(), test_name)
def input_line(self, port, test_name, checksum=None):
url = port.filename_to_uri(self.to_path(port, test_name))
# FIXME: we shouldn't have to work around platform-specific issues
# here.
if url.startswith('file:////'):
url = url[len('file:////') - 1:]
if url.startswith('file:///'):
url = url[len('file:///') - 1:]
if checksum:
return url + "'" + checksum + '\n'
return url + '\n'
def extra_args(self, pixel_tests):
if pixel_tests:
return ['--pixel-tests', '-']
return ['-']
def make_drt(self, options, args, filesystem, stdin, stdout, stderr):
return mock_drt.MockDRT(options, args, filesystem, stdin, stdout, stderr)
def make_input_output(self, port, test_name, pixel_tests,
expected_checksum, drt_output, drt_input=None):
path = self.to_path(port, test_name)
if pixel_tests:
if not expected_checksum:
expected_checksum = port.expected_checksum(path)
if not drt_input:
drt_input = self.input_line(port, test_name, expected_checksum)
text_output = port.expected_text(path)
if not drt_output:
drt_output = self.expected_output(port, test_name, pixel_tests,
text_output, expected_checksum)
return (drt_input, drt_output)
def expected_output(self, port, test_name, pixel_tests, text_output, expected_checksum):
if pixel_tests and expected_checksum:
return ['Content-Type: text/plain\n',
text_output,
'#EOF\n',
'\n',
'ActualHash: %s\n' % expected_checksum,
'ExpectedHash: %s\n' % expected_checksum,
'#EOF\n']
else:
return ['Content-Type: text/plain\n',
text_output,
'#EOF\n',
'#EOF\n']
def assertTest(self, test_name, pixel_tests, expected_checksum=None,
drt_output=None, filesystem=None):
platform = 'test'
filesystem = filesystem or test.unit_test_filesystem()
port = factory.get(platform, filesystem=filesystem)
drt_input, drt_output = self.make_input_output(port, test_name,
pixel_tests, expected_checksum, drt_output)
args = ['--platform', 'test'] + self.extra_args(pixel_tests)
stdin = newstringio.StringIO(drt_input)
stdout = newstringio.StringIO()
stderr = newstringio.StringIO()
options, args = mock_drt.parse_options(args)
drt = self.make_drt(options, args, filesystem, stdin, stdout, stderr)
res = drt.run()
self.assertEqual(res, 0)
# We use the StringIO.buflist here instead of getvalue() because
# the StringIO might be a mix of unicode/ascii and 8-bit strings.
self.assertEqual(stdout.buflist, drt_output)
self.assertEqual(stderr.getvalue(), '')
def test_main(self):
filesystem = test.unit_test_filesystem()
stdin = newstringio.StringIO()
stdout = newstringio.StringIO()
stderr = newstringio.StringIO()
res = mock_drt.main(['--platform', 'test'] + self.extra_args(False),
filesystem, stdin, stdout, stderr)
self.assertEqual(res, 0)
self.assertEqual(stdout.getvalue(), '')
self.assertEqual(stderr.getvalue(), '')
self.assertEqual(filesystem.written_files, {})
def test_pixeltest_passes(self):
# This also tests that we handle HTTP: test URLs properly.
self.assertTest('http/tests/passes/text.html', True)
def test_pixeltest__fails(self):
self.assertTest('failures/expected/checksum.html', pixel_tests=True,
expected_checksum='wrong-checksum',
drt_output=['Content-Type: text/plain\n',
'checksum-txt',
'#EOF\n',
'\n',
'ActualHash: checksum-checksum\n',
'ExpectedHash: wrong-checksum\n',
'Content-Type: image/png\n',
'Content-Length: 13\n\n',
'checksum\x8a-png',
'#EOF\n'])
def test_textonly(self):
self.assertTest('passes/image.html', False)
def test_checksum_in_png(self):
self.assertTest('passes/checksum_in_image.html', True)
class MockChromiumDRTTest(MockDRTTest):
def extra_args(self, pixel_tests):
if pixel_tests:
return ['--pixel-tests=/tmp/png_result0.png']
return []
def make_drt(self, options, args, filesystem, stdin, stdout, stderr):
options.chromium = True
# We have to set these by hand because --platform test won't trigger
# the Chromium code paths.
options.pixel_path = '/tmp/png_result0.png'
options.pixel_tests = True
return mock_drt.MockChromiumDRT(options, args, filesystem, stdin, stdout, stderr)
def input_line(self, port, test_name, checksum=None):
url = port.filename_to_uri(self.to_path(port, test_name))
if checksum:
return url + ' 6000 ' + checksum + '\n'
return url + ' 6000\n'
def expected_output(self, port, test_name, pixel_tests, text_output, expected_checksum):
url = port.filename_to_uri(self.to_path(port, test_name))
if pixel_tests and expected_checksum:
return ['#URL:%s\n' % url,
'#MD5:%s\n' % expected_checksum,
text_output,
'\n',
'#EOF\n']
else:
return ['#URL:%s\n' % url,
text_output,
'\n',
'#EOF\n']
def test_pixeltest__fails(self):
filesystem = test.unit_test_filesystem()
self.assertTest('failures/expected/checksum.html', pixel_tests=True,
expected_checksum='wrong-checksum',
drt_output=['#URL:file:///test.checkout/LayoutTests/failures/expected/checksum.html\n',
'#MD5:checksum-checksum\n',
'checksum-txt',
'\n',
'#EOF\n'],
filesystem=filesystem)
self.assertEquals(filesystem.written_files,
{'/tmp/png_result0.png': 'checksum\x8a-png'})
def test_chromium_parse_options(self):
options, args = mock_drt.parse_options(['--platform', 'chromium-mac',
'--pixel-tests=/tmp/png_result0.png'])
self.assertTrue(options.chromium)
self.assertTrue(options.pixel_tests)
self.assertEquals(options.pixel_path, '/tmp/png_result0.png')
if __name__ == '__main__':
unittest.main()
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