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