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# 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.
import sys
import time
import unittest2 as unittest
from webkitpy.port.factory import PortFactory
from webkitpy.port import server_process
from webkitpy.common.system.systemhost import SystemHost
from webkitpy.common.system.systemhost_mock import MockSystemHost
from webkitpy.common.system.outputcapture import OutputCapture
class TrivialMockPort(object):
def __init__(self):
self.host = MockSystemHost()
self.host.executive.kill_process = lambda x: None
self.host.executive.kill_process = lambda x: None
def results_directory(self):
return "/mock-results"
def check_for_leaks(self, process_name, process_pid):
pass
def process_kill_time(self):
return 1
class MockFile(object):
def __init__(self, server_process):
self._server_process = server_process
self.closed = False
def fileno(self):
return 1
def write(self, line):
self._server_process.broken_pipes.append(self)
raise IOError
def close(self):
self.closed = True
class MockProc(object):
def __init__(self, server_process):
self.stdin = MockFile(server_process)
self.stdout = MockFile(server_process)
self.stderr = MockFile(server_process)
self.pid = 1
def poll(self):
return 1
def wait(self):
return 0
class FakeServerProcess(server_process.ServerProcess):
def _start(self):
self._proc = MockProc(self)
self.stdin = self._proc.stdin
self.stdout = self._proc.stdout
self.stderr = self._proc.stderr
self._pid = self._proc.pid
self.broken_pipes = []
class TestServerProcess(unittest.TestCase):
def test_basic(self):
cmd = [sys.executable, '-c', 'import sys; import time; time.sleep(0.02); print "stdout"; sys.stdout.flush(); print >>sys.stderr, "stderr"']
host = SystemHost()
factory = PortFactory(host)
port = factory.get()
now = time.time()
proc = server_process.ServerProcess(port, 'python', cmd)
proc.write('')
self.assertEqual(proc.poll(), None)
self.assertFalse(proc.has_crashed())
# check that doing a read after an expired deadline returns
# nothing immediately.
line = proc.read_stdout_line(now - 1)
self.assertEqual(line, None)
# FIXME: This part appears to be flaky. line should always be non-None.
# FIXME: https://bugs.webkit.org/show_bug.cgi?id=88280
line = proc.read_stdout_line(now + 1.0)
if line:
self.assertEqual(line.strip(), "stdout")
line = proc.read_stderr_line(now + 1.0)
if line:
self.assertEqual(line.strip(), "stderr")
proc.stop(0)
def test_cleanup(self):
port_obj = TrivialMockPort()
server_process = FakeServerProcess(port_obj=port_obj, name="test", cmd=["test"])
server_process._start()
server_process.stop()
self.assertTrue(server_process.stdin.closed)
self.assertTrue(server_process.stdout.closed)
self.assertTrue(server_process.stderr.closed)
def test_broken_pipe(self):
port_obj = TrivialMockPort()
port_obj.host.platform.os_name = 'win'
server_process = FakeServerProcess(port_obj=port_obj, name="test", cmd=["test"])
server_process.write("should break")
self.assertTrue(server_process.has_crashed())
self.assertIsNotNone(server_process.pid())
self.assertIsNone(server_process._proc)
self.assertEqual(server_process.broken_pipes, [server_process.stdin])
port_obj.host.platform.os_name = 'mac'
server_process = FakeServerProcess(port_obj=port_obj, name="test", cmd=["test"])
server_process.write("should break")
self.assertTrue(server_process.has_crashed())
self.assertIsNone(server_process._proc)
self.assertEqual(server_process.broken_pipes, [server_process.stdin])
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