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#!/usr/bin/env python
# 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 Google name 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.
"""Dummy Port implementation used for testing."""
from __future__ import with_statement
import codecs
import os
import time
import base
class TestPort(base.Port):
"""Test implementation of the Port interface."""
def __init__(self, port_name=None, options=None):
base.Port.__init__(self, port_name, options)
def baseline_path(self):
return os.path.join(self.layout_tests_dir(), 'platform',
self.name() + self.version())
def baseline_search_path(self):
return [self.baseline_path()]
def check_build(self, needs_http):
return True
def diff_image(self, expected_filename, actual_filename,
diff_filename=None, tolerance=0):
with codecs.open(actual_filename, "r", "utf-8") as actual_fh:
actual_contents = actual_fh.read()
with codecs.open(expected_filename, "r", "utf-8") as expected_fh:
expected_contents = expected_fh.read()
diffed = actual_contents != expected_contents
if diffed and diff_filename:
with codecs.open(diff_filename, "w", "utf-8") as diff_fh:
diff_fh.write("< %s\n---\n> %s\n" %
(expected_contents, actual_contents))
return diffed
def layout_tests_dir(self):
return self.path_from_webkit_base('WebKitTools', 'Scripts',
'webkitpy', 'layout_tests', 'data')
def name(self):
return self._name
def options(self):
return self._options
def skipped_layout_tests(self):
return []
def path_to_test_expectations_file(self):
return self.path_from_webkit_base('WebKitTools', 'Scripts',
'webkitpy', 'layout_tests', 'data', 'platform', 'test',
'test_expectations.txt')
def _path_to_wdiff(self):
return None
def results_directory(self):
return '/tmp/' + self._options.results_directory
def setup_test_run(self):
pass
def show_results_html_file(self, filename):
pass
def create_driver(self, image_path, options):
return TestDriver(image_path, options, self)
def start_http_server(self):
pass
def start_websocket_server(self):
pass
def stop_http_server(self):
pass
def stop_websocket_server(self):
pass
def test_expectations(self):
"""Returns the test expectations for this port.
Basically this string should contain the equivalent of a
test_expectations file. See test_expectations.py for more details."""
expectations_path = self.path_to_test_expectations_file()
with codecs.open(expectations_path, "r", "utf-8") as file:
return file.read()
def test_base_platform_names(self):
return ('mac', 'win')
def test_platform_name(self):
return 'mac'
def test_platform_names(self):
return self.test_base_platform_names()
def test_platform_name_to_name(self, test_platform_name):
return test_platform_name
def version(self):
return ''
class TestDriver(base.Driver):
"""Test/Dummy implementation of the DumpRenderTree interface."""
def __init__(self, image_path, test_driver_options, port):
self._driver_options = test_driver_options
self._image_path = image_path
self._port = port
self._image_written = False
def poll(self):
return True
def run_test(self, uri, timeoutms, image_hash):
basename = uri[(uri.rfind("/") + 1):uri.rfind(".html")]
if 'error' in basename:
error = basename + "_error\n"
else:
error = ''
checksum = None
# There are four currently supported types of tests: text, image,
# image hash (checksum), and stderr output. The fake output
# is the basename of the file + "-" plus the type of test output
# (or a blank string for stderr).
#
# If 'image' or 'check' appears in the basename, we assume this is
# simulating a pixel test.
#
# If 'failures' appears in the URI, then we assume this test should
# fail. Which type of failures are determined by which strings appear
# in the basename of the test. For failures that produce outputs,
# we change the fake output to basename + "_failed-".
#
# The fact that each test produces (more or less) unique output data
# will allow us to see if any results get crossed by the rest of the
# program.
if 'failures' in uri:
if 'keyboard' in basename:
raise KeyboardInterrupt
if 'exception' in basename:
raise ValueError('exception from ' + basename)
crash = 'crash' in basename
timeout = 'timeout' in basename or 'hang' in basename
timeout = 'timeout' in basename
if 'text' in basename:
output = basename + '_failed-txt\n'
else:
output = basename + '-txt\n'
if self._port.options().pixel_tests:
if ('image' in basename or 'check' in basename):
checksum = basename + "-checksum\n"
if 'image' in basename:
with open(self._image_path, "w") as f:
f.write(basename + "_failed-png\n")
elif 'check' in basename:
with open(self._image_path, "w") as f:
f.write(basename + "-png\n")
if 'checksum' in basename:
checksum = basename + "_failed-checksum\n"
if 'hang' in basename:
time.sleep((float(timeoutms) * 4) / 1000.0)
else:
crash = False
timeout = False
output = basename + '-txt\n'
if self._port.options().pixel_tests and (
'image' in basename or 'check' in basename):
checksum = basename + '-checksum\n'
with open(self._image_path, "w") as f:
f.write(basename + "-png")
return (crash, timeout, checksum, output, error)
def start(self):
pass
def stop(self):
pass
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