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@@ -1,507 +1,492 b'' | |||
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1 | 1 | # -*- coding: utf-8 -*- |
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2 | 2 | """IPython Test Process Controller |
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3 | 3 | |
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4 | 4 | This module runs one or more subprocesses which will actually run the IPython |
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5 | 5 | test suite. |
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6 | 6 | |
|
7 | 7 | """ |
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8 | 8 | |
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9 | 9 | # Copyright (c) IPython Development Team. |
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10 | 10 | # Distributed under the terms of the Modified BSD License. |
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11 | 11 | |
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12 | 12 | |
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13 | 13 | import argparse |
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14 | 14 | import multiprocessing.pool |
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15 | 15 | import os |
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16 | 16 | import stat |
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17 | 17 | import shutil |
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18 | 18 | import signal |
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19 | 19 | import sys |
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20 | 20 | import subprocess |
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21 | 21 | import time |
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22 | 22 | |
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23 | 23 | from .iptest import ( |
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24 | 24 | have, test_group_names as py_test_group_names, test_sections, StreamCapturer, |
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25 | 25 | ) |
|
26 | 26 | from IPython.utils.path import compress_user |
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27 | 27 | from IPython.utils.py3compat import decode |
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28 | 28 | from IPython.utils.sysinfo import get_sys_info |
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29 | 29 | from IPython.utils.tempdir import TemporaryDirectory |
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30 | 30 | |
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31 |
class TestController |
|
|
31 | class TestController: | |
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32 | 32 | """Run tests in a subprocess |
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33 | 33 | """ |
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34 | 34 | #: str, IPython test suite to be executed. |
|
35 | 35 | section = None |
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36 | 36 | #: list, command line arguments to be executed |
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37 | 37 | cmd = None |
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38 | 38 | #: dict, extra environment variables to set for the subprocess |
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39 | 39 | env = None |
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40 | 40 | #: list, TemporaryDirectory instances to clear up when the process finishes |
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41 | 41 | dirs = None |
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42 | 42 | #: subprocess.Popen instance |
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43 | 43 | process = None |
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44 | 44 | #: str, process stdout+stderr |
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45 | 45 | stdout = None |
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46 | 46 | |
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47 | 47 | def __init__(self): |
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48 | 48 | self.cmd = [] |
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49 | 49 | self.env = {} |
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50 | 50 | self.dirs = [] |
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51 | 51 | |
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52 | 52 | def setup(self): |
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53 | 53 | """Create temporary directories etc. |
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54 | 54 | |
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55 | 55 | This is only called when we know the test group will be run. Things |
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56 | 56 | created here may be cleaned up by self.cleanup(). |
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57 | 57 | """ |
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58 | 58 | pass |
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59 | 59 | |
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60 | 60 | def launch(self, buffer_output=False, capture_output=False): |
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61 | 61 | # print('*** ENV:', self.env) # dbg |
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62 | 62 | # print('*** CMD:', self.cmd) # dbg |
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63 | 63 | env = os.environ.copy() |
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64 | 64 | env.update(self.env) |
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65 | 65 | if buffer_output: |
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66 | 66 | capture_output = True |
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67 | 67 | self.stdout_capturer = c = StreamCapturer(echo=not buffer_output) |
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68 | 68 | c.start() |
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69 | 69 | stdout = c.writefd if capture_output else None |
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70 | 70 | stderr = subprocess.STDOUT if capture_output else None |
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71 | 71 | self.process = subprocess.Popen(self.cmd, stdout=stdout, |
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72 | 72 | stderr=stderr, env=env) |
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73 | 73 | |
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74 | 74 | def wait(self): |
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75 | 75 | self.process.wait() |
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76 | 76 | self.stdout_capturer.halt() |
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77 | 77 | self.stdout = self.stdout_capturer.get_buffer() |
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78 | 78 | return self.process.returncode |
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79 | 79 | |
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80 | def print_extra_info(self): | |
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81 | """Print extra information about this test run. | |
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82 | ||
|
83 | If we're running in parallel and showing the concise view, this is only | |
|
84 | called if the test group fails. Otherwise, it's called before the test | |
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85 | group is started. | |
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86 | ||
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87 | The base implementation does nothing, but it can be overridden by | |
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88 | subclasses. | |
|
89 | """ | |
|
90 | return | |
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91 | ||
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92 | 80 | def cleanup_process(self): |
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93 | 81 | """Cleanup on exit by killing any leftover processes.""" |
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94 | 82 | subp = self.process |
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95 | 83 | if subp is None or (subp.poll() is not None): |
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96 | 84 | return # Process doesn't exist, or is already dead. |
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97 | 85 | |
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98 | 86 | try: |
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99 | 87 | print('Cleaning up stale PID: %d' % subp.pid) |
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100 | 88 | subp.kill() |
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101 | 89 | except: # (OSError, WindowsError) ? |
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102 | 90 | # This is just a best effort, if we fail or the process was |
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103 | 91 | # really gone, ignore it. |
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104 | 92 | pass |
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105 | 93 | else: |
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106 | 94 | for i in range(10): |
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107 | 95 | if subp.poll() is None: |
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108 | 96 | time.sleep(0.1) |
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109 | 97 | else: |
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110 | 98 | break |
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111 | 99 | |
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112 | 100 | if subp.poll() is None: |
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113 | 101 | # The process did not die... |
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114 | 102 | print('... failed. Manual cleanup may be required.') |
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115 | 103 | |
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116 | 104 | def cleanup(self): |
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117 | 105 | "Kill process if it's still alive, and clean up temporary directories" |
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118 | 106 | self.cleanup_process() |
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119 | 107 | for td in self.dirs: |
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120 | 108 | td.cleanup() |
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121 | 109 | |
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122 | 110 | __del__ = cleanup |
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123 | 111 | |
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124 | 112 | |
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125 | 113 | class PyTestController(TestController): |
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126 | 114 | """Run Python tests using IPython.testing.iptest""" |
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127 | 115 | #: str, Python command to execute in subprocess |
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128 | 116 | pycmd = None |
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129 | 117 | |
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130 | 118 | def __init__(self, section, options): |
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131 | 119 | """Create new test runner.""" |
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132 | 120 | TestController.__init__(self) |
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133 | 121 | self.section = section |
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134 | 122 | # pycmd is put into cmd[2] in PyTestController.launch() |
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135 | 123 | self.cmd = [sys.executable, '-c', None, section] |
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136 | 124 | self.pycmd = "from IPython.testing.iptest import run_iptest; run_iptest()" |
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137 | 125 | self.options = options |
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138 | 126 | |
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139 | 127 | def setup(self): |
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140 | 128 | ipydir = TemporaryDirectory() |
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141 | 129 | self.dirs.append(ipydir) |
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142 | 130 | self.env['IPYTHONDIR'] = ipydir.name |
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143 | 131 | self.workingdir = workingdir = TemporaryDirectory() |
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144 | 132 | self.dirs.append(workingdir) |
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145 | 133 | self.env['IPTEST_WORKING_DIR'] = workingdir.name |
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146 | 134 | # This means we won't get odd effects from our own matplotlib config |
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147 | 135 | self.env['MPLCONFIGDIR'] = workingdir.name |
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148 | 136 | # For security reasons (http://bugs.python.org/issue16202), use |
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149 | 137 | # a temporary directory to which other users have no access. |
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150 | 138 | self.env['TMPDIR'] = workingdir.name |
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151 | 139 | |
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152 | 140 | # Add a non-accessible directory to PATH (see gh-7053) |
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153 | 141 | noaccess = os.path.join(self.workingdir.name, "_no_access_") |
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154 | 142 | self.noaccess = noaccess |
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155 | 143 | os.mkdir(noaccess, 0) |
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156 | 144 | |
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157 | 145 | PATH = os.environ.get('PATH', '') |
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158 | 146 | if PATH: |
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159 | 147 | PATH = noaccess + os.pathsep + PATH |
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160 | 148 | else: |
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161 | 149 | PATH = noaccess |
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162 | 150 | self.env['PATH'] = PATH |
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163 | 151 | |
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164 | 152 | # From options: |
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165 | 153 | if self.options.xunit: |
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166 | 154 | self.add_xunit() |
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167 | 155 | if self.options.coverage: |
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168 | 156 | self.add_coverage() |
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169 | 157 | self.env['IPTEST_SUBPROC_STREAMS'] = self.options.subproc_streams |
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170 | 158 | self.cmd.extend(self.options.extra_args) |
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171 | 159 | |
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172 | 160 | def cleanup(self): |
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173 | 161 | """ |
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174 | 162 | Make the non-accessible directory created in setup() accessible |
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175 | 163 | again, otherwise deleting the workingdir will fail. |
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176 | 164 | """ |
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177 | 165 | os.chmod(self.noaccess, stat.S_IRWXU) |
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178 | 166 | TestController.cleanup(self) |
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179 | 167 | |
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180 | 168 | @property |
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181 | 169 | def will_run(self): |
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182 | 170 | try: |
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183 | 171 | return test_sections[self.section].will_run |
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184 | 172 | except KeyError: |
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185 | 173 | return True |
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186 | 174 | |
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187 | 175 | def add_xunit(self): |
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188 | 176 | xunit_file = os.path.abspath(self.section + '.xunit.xml') |
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189 | 177 | self.cmd.extend(['--with-xunit', '--xunit-file', xunit_file]) |
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190 | 178 | |
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191 | 179 | def add_coverage(self): |
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192 | 180 | try: |
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193 | 181 | sources = test_sections[self.section].includes |
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194 | 182 | except KeyError: |
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195 | 183 | sources = ['IPython'] |
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196 | 184 | |
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197 | 185 | coverage_rc = ("[run]\n" |
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198 | 186 | "data_file = {data_file}\n" |
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199 | 187 | "source =\n" |
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200 | 188 | " {source}\n" |
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201 | 189 | ).format(data_file=os.path.abspath('.coverage.'+self.section), |
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202 | 190 | source="\n ".join(sources)) |
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203 | 191 | config_file = os.path.join(self.workingdir.name, '.coveragerc') |
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204 | 192 | with open(config_file, 'w') as f: |
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205 | 193 | f.write(coverage_rc) |
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206 | 194 | |
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207 | 195 | self.env['COVERAGE_PROCESS_START'] = config_file |
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208 | 196 | self.pycmd = "import coverage; coverage.process_startup(); " + self.pycmd |
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209 | 197 | |
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210 | 198 | def launch(self, buffer_output=False): |
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211 | 199 | self.cmd[2] = self.pycmd |
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212 | 200 | super(PyTestController, self).launch(buffer_output=buffer_output) |
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213 | 201 | |
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214 | 202 | |
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215 | 203 | def prepare_controllers(options): |
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216 | 204 | """Returns two lists of TestController instances, those to run, and those |
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217 | 205 | not to run.""" |
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218 | 206 | testgroups = options.testgroups |
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219 | 207 | if not testgroups: |
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220 | 208 | testgroups = py_test_group_names |
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221 | 209 | |
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222 | 210 | controllers = [PyTestController(name, options) for name in testgroups] |
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223 | 211 | |
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224 | 212 | to_run = [c for c in controllers if c.will_run] |
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225 | 213 | not_run = [c for c in controllers if not c.will_run] |
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226 | 214 | return to_run, not_run |
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227 | 215 | |
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228 | 216 | def do_run(controller, buffer_output=True): |
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229 | 217 | """Setup and run a test controller. |
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230 | 218 | |
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231 | 219 | If buffer_output is True, no output is displayed, to avoid it appearing |
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232 | 220 | interleaved. In this case, the caller is responsible for displaying test |
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233 | 221 | output on failure. |
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234 | 222 | |
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235 | 223 | Returns |
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236 | 224 | ------- |
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237 | 225 | controller : TestController |
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238 | 226 | The same controller as passed in, as a convenience for using map() type |
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239 | 227 | APIs. |
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240 | 228 | exitcode : int |
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241 | 229 | The exit code of the test subprocess. Non-zero indicates failure. |
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242 | 230 | """ |
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243 | 231 | try: |
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244 | 232 | try: |
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245 | 233 | controller.setup() |
|
246 | if not buffer_output: | |
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247 | controller.print_extra_info() | |
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248 | 234 | controller.launch(buffer_output=buffer_output) |
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249 | 235 | except Exception: |
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250 | 236 | import traceback |
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251 | 237 | traceback.print_exc() |
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252 | 238 | return controller, 1 # signal failure |
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253 | 239 | |
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254 | 240 | exitcode = controller.wait() |
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255 | 241 | return controller, exitcode |
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256 | 242 | |
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257 | 243 | except KeyboardInterrupt: |
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258 | 244 | return controller, -signal.SIGINT |
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259 | 245 | finally: |
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260 | 246 | controller.cleanup() |
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261 | 247 | |
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262 | 248 | def report(): |
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263 | 249 | """Return a string with a summary report of test-related variables.""" |
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264 | 250 | inf = get_sys_info() |
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265 | 251 | out = [] |
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266 | 252 | def _add(name, value): |
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267 | 253 | out.append((name, value)) |
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268 | 254 | |
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269 | 255 | _add('IPython version', inf['ipython_version']) |
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270 | 256 | _add('IPython commit', "{} ({})".format(inf['commit_hash'], inf['commit_source'])) |
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271 | 257 | _add('IPython package', compress_user(inf['ipython_path'])) |
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272 | 258 | _add('Python version', inf['sys_version'].replace('\n','')) |
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273 | 259 | _add('sys.executable', compress_user(inf['sys_executable'])) |
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274 | 260 | _add('Platform', inf['platform']) |
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275 | 261 | |
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276 | 262 | width = max(len(n) for (n,v) in out) |
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277 | 263 | out = ["{:<{width}}: {}\n".format(n, v, width=width) for (n,v) in out] |
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278 | 264 | |
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279 | 265 | avail = [] |
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280 | 266 | not_avail = [] |
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281 | 267 | |
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282 | 268 | for k, is_avail in have.items(): |
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283 | 269 | if is_avail: |
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284 | 270 | avail.append(k) |
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285 | 271 | else: |
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286 | 272 | not_avail.append(k) |
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287 | 273 | |
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288 | 274 | if avail: |
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289 | 275 | out.append('\nTools and libraries available at test time:\n') |
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290 | 276 | avail.sort() |
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291 | 277 | out.append(' ' + ' '.join(avail)+'\n') |
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292 | 278 | |
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293 | 279 | if not_avail: |
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294 | 280 | out.append('\nTools and libraries NOT available at test time:\n') |
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295 | 281 | not_avail.sort() |
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296 | 282 | out.append(' ' + ' '.join(not_avail)+'\n') |
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297 | 283 | |
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298 | 284 | return ''.join(out) |
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299 | 285 | |
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300 | 286 | def run_iptestall(options): |
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301 | 287 | """Run the entire IPython test suite by calling nose and trial. |
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302 | 288 | |
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303 | 289 | This function constructs :class:`IPTester` instances for all IPython |
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304 | 290 | modules and package and then runs each of them. This causes the modules |
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305 | 291 | and packages of IPython to be tested each in their own subprocess using |
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306 | 292 | nose. |
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307 | 293 | |
|
308 | 294 | Parameters |
|
309 | 295 | ---------- |
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310 | 296 | |
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311 | 297 | All parameters are passed as attributes of the options object. |
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312 | 298 | |
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313 | 299 | testgroups : list of str |
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314 | 300 | Run only these sections of the test suite. If empty, run all the available |
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315 | 301 | sections. |
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316 | 302 | |
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317 | 303 | fast : int or None |
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318 | 304 | Run the test suite in parallel, using n simultaneous processes. If None |
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319 | 305 | is passed, one process is used per CPU core. Default 1 (i.e. sequential) |
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320 | 306 | |
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321 | 307 | inc_slow : bool |
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322 | 308 | Include slow tests. By default, these tests aren't run. |
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323 | 309 | |
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324 | 310 | url : unicode |
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325 | 311 | Address:port to use when running the JS tests. |
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326 | 312 | |
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327 | 313 | xunit : bool |
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328 | 314 | Produce Xunit XML output. This is written to multiple foo.xunit.xml files. |
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329 | 315 | |
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330 | 316 | coverage : bool or str |
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331 | 317 | Measure code coverage from tests. True will store the raw coverage data, |
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332 | 318 | or pass 'html' or 'xml' to get reports. |
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333 | 319 | |
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334 | 320 | extra_args : list |
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335 | 321 | Extra arguments to pass to the test subprocesses, e.g. '-v' |
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336 | 322 | """ |
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337 | 323 | to_run, not_run = prepare_controllers(options) |
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338 | 324 | |
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339 | 325 | def justify(ltext, rtext, width=70, fill='-'): |
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340 | 326 | ltext += ' ' |
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341 | 327 | rtext = (' ' + rtext).rjust(width - len(ltext), fill) |
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342 | 328 | return ltext + rtext |
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343 | 329 | |
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344 | 330 | # Run all test runners, tracking execution time |
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345 | 331 | failed = [] |
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346 | 332 | t_start = time.time() |
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347 | 333 | |
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348 | 334 | print() |
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349 | 335 | if options.fast == 1: |
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350 | 336 | # This actually means sequential, i.e. with 1 job |
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351 | 337 | for controller in to_run: |
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352 | 338 | print('Test group:', controller.section) |
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353 | 339 | sys.stdout.flush() # Show in correct order when output is piped |
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354 | 340 | controller, res = do_run(controller, buffer_output=False) |
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355 | 341 | if res: |
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356 | 342 | failed.append(controller) |
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357 | 343 | if res == -signal.SIGINT: |
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358 | 344 | print("Interrupted") |
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359 | 345 | break |
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360 | 346 | print() |
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361 | 347 | |
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362 | 348 | else: |
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363 | 349 | # Run tests concurrently |
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364 | 350 | try: |
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365 | 351 | pool = multiprocessing.pool.ThreadPool(options.fast) |
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366 | 352 | for (controller, res) in pool.imap_unordered(do_run, to_run): |
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367 | 353 | res_string = 'OK' if res == 0 else 'FAILED' |
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368 | 354 | print(justify('Test group: ' + controller.section, res_string)) |
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369 | 355 | if res: |
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370 | controller.print_extra_info() | |
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371 | 356 | print(decode(controller.stdout)) |
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372 | 357 | failed.append(controller) |
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373 | 358 | if res == -signal.SIGINT: |
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374 | 359 | print("Interrupted") |
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375 | 360 | break |
|
376 | 361 | except KeyboardInterrupt: |
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377 | 362 | return |
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378 | 363 | |
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379 | 364 | for controller in not_run: |
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380 | 365 | print(justify('Test group: ' + controller.section, 'NOT RUN')) |
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381 | 366 | |
|
382 | 367 | t_end = time.time() |
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383 | 368 | t_tests = t_end - t_start |
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384 | 369 | nrunners = len(to_run) |
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385 | 370 | nfail = len(failed) |
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386 | 371 | # summarize results |
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387 | 372 | print('_'*70) |
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388 | 373 | print('Test suite completed for system with the following information:') |
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389 | 374 | print(report()) |
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390 | 375 | took = "Took %.3fs." % t_tests |
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391 | 376 | print('Status: ', end='') |
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392 | 377 | if not failed: |
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393 | 378 | print('OK (%d test groups).' % nrunners, took) |
|
394 | 379 | else: |
|
395 | 380 | # If anything went wrong, point out what command to rerun manually to |
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396 | 381 | # see the actual errors and individual summary |
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397 | 382 | failed_sections = [c.section for c in failed] |
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398 | 383 | print('ERROR - {} out of {} test groups failed ({}).'.format(nfail, |
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399 | 384 | nrunners, ', '.join(failed_sections)), took) |
|
400 | 385 | print() |
|
401 | 386 | print('You may wish to rerun these, with:') |
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402 | 387 | print(' iptest', *failed_sections) |
|
403 | 388 | print() |
|
404 | 389 | |
|
405 | 390 | if options.coverage: |
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406 | 391 | from coverage import coverage, CoverageException |
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407 | 392 | cov = coverage(data_file='.coverage') |
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408 | 393 | cov.combine() |
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409 | 394 | cov.save() |
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410 | 395 | |
|
411 | 396 | # Coverage HTML report |
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412 | 397 | if options.coverage == 'html': |
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413 | 398 | html_dir = 'ipy_htmlcov' |
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414 | 399 | shutil.rmtree(html_dir, ignore_errors=True) |
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415 | 400 | print("Writing HTML coverage report to %s/ ... " % html_dir, end="") |
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416 | 401 | sys.stdout.flush() |
|
417 | 402 | |
|
418 | 403 | # Custom HTML reporter to clean up module names. |
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419 | 404 | from coverage.html import HtmlReporter |
|
420 | 405 | class CustomHtmlReporter(HtmlReporter): |
|
421 | 406 | def find_code_units(self, morfs): |
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422 | 407 | super(CustomHtmlReporter, self).find_code_units(morfs) |
|
423 | 408 | for cu in self.code_units: |
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424 | 409 | nameparts = cu.name.split(os.sep) |
|
425 | 410 | if 'IPython' not in nameparts: |
|
426 | 411 | continue |
|
427 | 412 | ix = nameparts.index('IPython') |
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428 | 413 | cu.name = '.'.join(nameparts[ix:]) |
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429 | 414 | |
|
430 | 415 | # Reimplement the html_report method with our custom reporter |
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431 | 416 | cov.get_data() |
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432 | 417 | cov.config.from_args(omit='*{0}tests{0}*'.format(os.sep), html_dir=html_dir, |
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433 | 418 | html_title='IPython test coverage', |
|
434 | 419 | ) |
|
435 | 420 | reporter = CustomHtmlReporter(cov, cov.config) |
|
436 | 421 | reporter.report(None) |
|
437 | 422 | print('done.') |
|
438 | 423 | |
|
439 | 424 | # Coverage XML report |
|
440 | 425 | elif options.coverage == 'xml': |
|
441 | 426 | try: |
|
442 | 427 | cov.xml_report(outfile='ipy_coverage.xml') |
|
443 | 428 | except CoverageException as e: |
|
444 | 429 | print('Generating coverage report failed. Are you running javascript tests only?') |
|
445 | 430 | import traceback |
|
446 | 431 | traceback.print_exc() |
|
447 | 432 | |
|
448 | 433 | if failed: |
|
449 | 434 | # Ensure that our exit code indicates failure |
|
450 | 435 | sys.exit(1) |
|
451 | 436 | |
|
452 | 437 | argparser = argparse.ArgumentParser(description='Run IPython test suite') |
|
453 | 438 | argparser.add_argument('testgroups', nargs='*', |
|
454 | 439 | help='Run specified groups of tests. If omitted, run ' |
|
455 | 440 | 'all tests.') |
|
456 | 441 | argparser.add_argument('--all', action='store_true', |
|
457 | 442 | help='Include slow tests not run by default.') |
|
458 | 443 | argparser.add_argument('--url', help="URL to use for the JS tests.") |
|
459 | 444 | argparser.add_argument('-j', '--fast', nargs='?', const=None, default=1, type=int, |
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460 | 445 | help='Run test sections in parallel. This starts as many ' |
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461 | 446 | 'processes as you have cores, or you can specify a number.') |
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462 | 447 | argparser.add_argument('--xunit', action='store_true', |
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463 | 448 | help='Produce Xunit XML results') |
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464 | 449 | argparser.add_argument('--coverage', nargs='?', const=True, default=False, |
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465 | 450 | help="Measure test coverage. Specify 'html' or " |
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466 | 451 | "'xml' to get reports.") |
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467 | 452 | argparser.add_argument('--subproc-streams', default='capture', |
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468 | 453 | help="What to do with stdout/stderr from subprocesses. " |
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469 | 454 | "'capture' (default), 'show' and 'discard' are the options.") |
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470 | 455 | |
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471 | 456 | def default_options(): |
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472 | 457 | """Get an argparse Namespace object with the default arguments, to pass to |
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473 | 458 | :func:`run_iptestall`. |
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474 | 459 | """ |
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475 | 460 | options = argparser.parse_args([]) |
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476 | 461 | options.extra_args = [] |
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477 | 462 | return options |
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478 | 463 | |
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479 | 464 | def main(): |
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480 | 465 | # iptest doesn't work correctly if the working directory is the |
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481 | 466 | # root of the IPython source tree. Tell the user to avoid |
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482 | 467 | # frustration. |
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483 | 468 | if os.path.exists(os.path.join(os.getcwd(), |
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484 | 469 | 'IPython', 'testing', '__main__.py')): |
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485 | 470 | print("Don't run iptest from the IPython source directory", |
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486 | 471 | file=sys.stderr) |
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487 | 472 | sys.exit(1) |
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488 | 473 | # Arguments after -- should be passed through to nose. Argparse treats |
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489 | 474 | # everything after -- as regular positional arguments, so we separate them |
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490 | 475 | # first. |
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491 | 476 | try: |
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492 | 477 | ix = sys.argv.index('--') |
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493 | 478 | except ValueError: |
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494 | 479 | to_parse = sys.argv[1:] |
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495 | 480 | extra_args = [] |
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496 | 481 | else: |
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497 | 482 | to_parse = sys.argv[1:ix] |
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498 | 483 | extra_args = sys.argv[ix+1:] |
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499 | 484 | |
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500 | 485 | options = argparser.parse_args(to_parse) |
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501 | 486 | options.extra_args = extra_args |
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502 | 487 | |
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503 | 488 | run_iptestall(options) |
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504 | 489 | |
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505 | 490 | |
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506 | 491 | if __name__ == '__main__': |
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507 | 492 | main() |
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