1 # Copyright (C) 2011 Google Inc. All rights reserved. 2 # 3 # Redistribution and use in source and binary forms, with or without 4 # modification, are permitted provided that the following conditions are 5 # met: 6 # 7 # * Redistributions of source code must retain the above copyright 8 # notice, this list of conditions and the following disclaimer. 9 # * Redistributions in binary form must reproduce the above 10 # copyright notice, this list of conditions and the following disclaimer 11 # in the documentation and/or other materials provided with the 12 # distribution. 13 # * Neither the name of Google Inc. nor the names of its 14 # contributors may be used to endorse or promote products derived from 15 # this software without specific prior written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 import sys 30 import time 31 import unittest 32 33 from webkitpy.layout_tests.port.factory import PortFactory 34 from webkitpy.layout_tests.port import server_process 35 from webkitpy.common.system.systemhost import SystemHost 36 from webkitpy.common.system.systemhost_mock import MockSystemHost 37 from webkitpy.common.system.outputcapture import OutputCapture 38 39 40 class TrivialMockPort(object): 41 def __init__(self): 42 self.host = MockSystemHost() 43 self.host.executive.kill_process = lambda x: None 44 self.host.executive.kill_process = lambda x: None 45 46 def results_directory(self): 47 return "/mock-results" 48 49 def process_kill_time(self): 50 return 1 51 52 53 class MockFile(object): 54 def __init__(self, server_process): 55 self._server_process = server_process 56 self.closed = False 57 58 def fileno(self): 59 return 1 60 61 def write(self, line): 62 self._server_process.broken_pipes.append(self) 63 raise IOError 64 65 def close(self): 66 self.closed = True 67 68 69 class MockProc(object): 70 def __init__(self, server_process): 71 self.stdin = MockFile(server_process) 72 self.stdout = MockFile(server_process) 73 self.stderr = MockFile(server_process) 74 self.pid = 1 75 76 def poll(self): 77 return 1 78 79 def wait(self): 80 return 0 81 82 83 class FakeServerProcess(server_process.ServerProcess): 84 def _start(self): 85 self._proc = MockProc(self) 86 self.stdin = self._proc.stdin 87 self.stdout = self._proc.stdout 88 self.stderr = self._proc.stderr 89 self._pid = self._proc.pid 90 self.broken_pipes = [] 91 92 93 class TestServerProcess(unittest.TestCase): 94 def test_basic(self): 95 cmd = [sys.executable, '-c', 'import sys; import time; time.sleep(0.02); print "stdout"; sys.stdout.flush(); print >>sys.stderr, "stderr"'] 96 host = SystemHost() 97 factory = PortFactory(host) 98 port = factory.get() 99 now = time.time() 100 proc = server_process.ServerProcess(port, 'python', cmd) 101 proc.write('') 102 103 self.assertEqual(proc.poll(), None) 104 self.assertFalse(proc.has_crashed()) 105 106 # check that doing a read after an expired deadline returns 107 # nothing immediately. 108 line = proc.read_stdout_line(now - 1) 109 self.assertEqual(line, None) 110 111 # FIXME: This part appears to be flaky. line should always be non-None. 112 # FIXME: https://bugs.webkit.org/show_bug.cgi?id=88280 113 line = proc.read_stdout_line(now + 1.0) 114 if line: 115 self.assertEqual(line.strip(), "stdout") 116 117 line = proc.read_stderr_line(now + 1.0) 118 if line: 119 self.assertEqual(line.strip(), "stderr") 120 121 proc.stop(0) 122 123 def test_cleanup(self): 124 port_obj = TrivialMockPort() 125 server_process = FakeServerProcess(port_obj=port_obj, name="test", cmd=["test"]) 126 server_process._start() 127 server_process.stop() 128 self.assertTrue(server_process.stdin.closed) 129 self.assertTrue(server_process.stdout.closed) 130 self.assertTrue(server_process.stderr.closed) 131 132 def test_broken_pipe(self): 133 port_obj = TrivialMockPort() 134 135 port_obj.host.platform.os_name = 'win' 136 server_process = FakeServerProcess(port_obj=port_obj, name="test", cmd=["test"]) 137 server_process.write("should break") 138 self.assertTrue(server_process.has_crashed()) 139 self.assertIsNotNone(server_process.pid()) 140 self.assertIsNone(server_process._proc) 141 self.assertEqual(server_process.broken_pipes, [server_process.stdin]) 142 143 port_obj.host.platform.os_name = 'mac' 144 server_process = FakeServerProcess(port_obj=port_obj, name="test", cmd=["test"]) 145 server_process.write("should break") 146 self.assertTrue(server_process.has_crashed()) 147 self.assertIsNone(server_process._proc) 148 self.assertEqual(server_process.broken_pipes, [server_process.stdin]) 149 150 151 class TestQuoteData(unittest.TestCase): 152 def test_plain(self): 153 qd = server_process.quote_data 154 self.assertEqual(qd("foo"), ["foo"]) 155 156 def test_trailing_spaces(self): 157 qd = server_process.quote_data 158 self.assertEqual(qd("foo "), 159 ["foo\x20\x20"]) 160 161 def test_newlines(self): 162 qd = server_process.quote_data 163 self.assertEqual(qd("foo \nbar\n"), 164 ["foo\x20\\n", "bar\\n"]) 165 166 def test_binary_data(self): 167 qd = server_process.quote_data 168 self.assertEqual(qd("\x00\x01ab"), 169 ["\\x00\\x01ab"]) 170
