code.vuplus.com Git - vuplus_webkit/blob - Tools/Scripts/webkitpy/layout_tests/port/server_process_unittest.py

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  28
  29 import sys
  30 import unittest
  31
  32 from webkitpy.layout_tests.port import server_process
  33 from webkitpy.common.system.executive import ScriptError
  34 from webkitpy.common.system.executive_mock import MockExecutive2
  35 from webkitpy.common.system.outputcapture import OutputCapture
  36
  37
  38 def _logging_run_command(args):
  39     print args
  40
  41
  42 def _throwing_run_command(args):
  43     raise ScriptError("MOCK script error")
  44
  45
  46 class TrivialMockPort(object):
  47     def results_directory(self):
  48         return "/mock-results"
  49
  50     def check_for_leaks(self, process_name, process_pid):
  51         pass
  52
  53
  54 class MockFile(object):
  55     def __init__(self, server_process):
  56         self._server_process = server_process
  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         pass
  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
  80 class FakeServerProcess(server_process.ServerProcess):
  81     def _start(self):
  82         self._proc = MockProc(self)
  83         self.stdin = self._proc.stdin
  84         self.broken_pipes = []
  85
  86
  87 class TestServerProcess(unittest.TestCase):
  88     def test_broken_pipe(self):
  89         server_process = FakeServerProcess(port_obj=TrivialMockPort(), name="test", cmd=["test"])
  90         server_process.write("should break")
  91         self.assertTrue(server_process.crashed)
  92         self.assertEquals(server_process._proc, None)
  93         self.assertEquals(server_process.broken_pipes, [server_process.stdin])
  94
  95     def test_sample_process(self):
  96         # Currently, sample-on-timeout only works on Darwin.
  97         if sys.platform != "darwin":
  98             return
  99         server_process = FakeServerProcess(port_obj=TrivialMockPort(), name="test", cmd=["test"], executive=MockExecutive2(run_command_fn=_logging_run_command))
 100         server_process._proc = MockProc(server_process)
 101         expected_stdout = "['/usr/bin/sample', 1, 10, 10, '-file', '/mock-results/test-1.sample.txt']\n"
 102         OutputCapture().assert_outputs(self, server_process._sample, expected_stdout=expected_stdout)
 103
 104     def test_sample_process_throws_exception(self):
 105         # Currently, sample-on-timeout only works on Darwin.
 106         if sys.platform != "darwin":
 107             return
 108         server_process = FakeServerProcess(port_obj=TrivialMockPort(), name="test", cmd=["test"], executive=MockExecutive2(run_command_fn=_throwing_run_command))
 109         server_process._proc = MockProc(server_process)
 110         OutputCapture().assert_outputs(self, server_process._sample)