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@@ -1,191 +1,189 b'' | |||
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1 | 1 | # encoding: utf-8 |
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2 | 2 | """ |
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3 | 3 | Tests for platutils.py |
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4 | 4 | """ |
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5 | 5 | |
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6 | 6 | #----------------------------------------------------------------------------- |
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7 | 7 | # Copyright (C) 2008-2011 The IPython Development Team |
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8 | 8 | # |
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9 | 9 | # Distributed under the terms of the BSD License. The full license is in |
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10 | 10 | # the file COPYING, distributed as part of this software. |
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11 | 11 | #----------------------------------------------------------------------------- |
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12 | 12 | |
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13 | 13 | #----------------------------------------------------------------------------- |
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14 | 14 | # Imports |
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15 | 15 | #----------------------------------------------------------------------------- |
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16 | 16 | |
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17 | 17 | import sys |
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18 | 18 | import signal |
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19 | 19 | import os |
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20 | 20 | import time |
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21 | 21 | from _thread import interrupt_main # Py 3 |
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22 | 22 | import threading |
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23 | 23 | |
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24 | 24 | import pytest |
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25 | 25 | |
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26 | 26 | from IPython.utils.process import (find_cmd, FindCmdError, arg_split, |
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27 | 27 | system, getoutput, getoutputerror, |
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28 | 28 | get_output_error_code) |
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29 | 29 | from IPython.utils.capture import capture_output |
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30 | 30 | from IPython.testing import decorators as dec |
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31 | 31 | from IPython.testing import tools as tt |
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32 | 32 | |
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33 | 33 | python = os.path.basename(sys.executable) |
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34 | 34 | |
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35 | 35 | #----------------------------------------------------------------------------- |
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36 | 36 | # Tests |
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37 | 37 | #----------------------------------------------------------------------------- |
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38 | 38 | |
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39 | 39 | |
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40 | 40 | @dec.skip_win32 |
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41 | 41 | def test_find_cmd_ls(): |
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42 | 42 | """Make sure we can find the full path to ls.""" |
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43 | 43 | path = find_cmd("ls") |
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44 | 44 | assert path.endswith("ls") |
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45 | 45 | |
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46 | 46 | |
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47 | 47 | @dec.skip_if_not_win32 |
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48 | 48 | def test_find_cmd_pythonw(): |
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49 | 49 | """Try to find pythonw on Windows.""" |
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50 | 50 | path = find_cmd('pythonw') |
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51 | 51 | assert path.lower().endswith('pythonw.exe'), path |
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52 | 52 | |
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53 | 53 | |
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54 | 54 | def test_find_cmd_fail(): |
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55 | 55 | """Make sure that FindCmdError is raised if we can't find the cmd.""" |
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56 | 56 | pytest.raises(FindCmdError, find_cmd, "asdfasdf") |
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57 | 57 | |
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58 | 58 | |
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59 | 59 | @dec.skip_win32 |
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60 | 60 | @pytest.mark.parametrize( |
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61 | 61 | "argstr, argv", |
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62 | 62 | [ |
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63 | 63 | ("hi", ["hi"]), |
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64 | (u"hi", [u"hi"]), | |
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65 | 64 | ("hello there", ["hello", "there"]), |
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66 | 65 | # \u01ce == \N{LATIN SMALL LETTER A WITH CARON} |
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67 | 66 | # Do not use \N because the tests crash with syntax error in |
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68 | 67 | # some cases, for example windows python2.6. |
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69 |
( |
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68 | ("h\u01cello", ["h\u01cello"]), | |
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70 | 69 | ('something "with quotes"', ["something", '"with quotes"']), |
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71 | 70 | ], |
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72 | 71 | ) |
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73 | 72 | def test_arg_split(argstr, argv): |
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74 | 73 | """Ensure that argument lines are correctly split like in a shell.""" |
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75 | 74 | assert arg_split(argstr) == argv |
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76 | 75 | |
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77 | 76 | |
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78 | 77 | @dec.skip_if_not_win32 |
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79 | 78 | @pytest.mark.parametrize( |
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80 | 79 | "argstr,argv", |
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81 | 80 | [ |
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82 | 81 | ("hi", ["hi"]), |
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83 | (u"hi", [u"hi"]), | |
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84 | 82 | ("hello there", ["hello", "there"]), |
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85 |
( |
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83 | ("h\u01cello", ["h\u01cello"]), | |
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86 | 84 | ('something "with quotes"', ["something", "with quotes"]), |
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87 | 85 | ], |
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88 | 86 | ) |
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89 | 87 | def test_arg_split_win32(argstr, argv): |
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90 | 88 | """Ensure that argument lines are correctly split like in a shell.""" |
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91 | 89 | assert arg_split(argstr) == argv |
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92 | 90 | |
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93 | 91 | |
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94 | 92 | class SubProcessTestCase(tt.TempFileMixin): |
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95 | 93 | def setUp(self): |
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96 | 94 | """Make a valid python temp file.""" |
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97 | 95 | lines = [ "import sys", |
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98 | 96 | "print('on stdout', end='', file=sys.stdout)", |
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99 | 97 | "print('on stderr', end='', file=sys.stderr)", |
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100 | 98 | "sys.stdout.flush()", |
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101 | 99 | "sys.stderr.flush()"] |
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102 | 100 | self.mktmp('\n'.join(lines)) |
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103 | 101 | |
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104 | 102 | def test_system(self): |
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105 | 103 | status = system('%s "%s"' % (python, self.fname)) |
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106 | 104 | self.assertEqual(status, 0) |
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107 | 105 | |
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108 | 106 | def test_system_quotes(self): |
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109 | 107 | status = system('%s -c "import sys"' % python) |
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110 | 108 | self.assertEqual(status, 0) |
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111 | 109 | |
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112 | 110 | def assert_interrupts(self, command): |
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113 | 111 | """ |
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114 | 112 | Interrupt a subprocess after a second. |
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115 | 113 | """ |
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116 | 114 | if threading.main_thread() != threading.current_thread(): |
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117 | 115 | raise pytest.skip("Can't run this test if not in main thread.") |
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118 | 116 | |
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119 | 117 | # Some tests can overwrite SIGINT handler (by using pdb for example), |
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120 | 118 | # which then breaks this test, so just make sure it's operating |
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121 | 119 | # normally. |
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122 | 120 | signal.signal(signal.SIGINT, signal.default_int_handler) |
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123 | 121 | |
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124 | 122 | def interrupt(): |
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125 | 123 | # Wait for subprocess to start: |
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126 | 124 | time.sleep(0.5) |
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127 | 125 | interrupt_main() |
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128 | 126 | |
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129 | 127 | threading.Thread(target=interrupt).start() |
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130 | 128 | start = time.time() |
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131 | 129 | try: |
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132 | 130 | result = command() |
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133 | 131 | except KeyboardInterrupt: |
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134 | 132 | # Success! |
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135 | 133 | pass |
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136 | 134 | end = time.time() |
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137 | 135 | self.assertTrue( |
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138 | 136 | end - start < 2, "Process didn't die quickly: %s" % (end - start) |
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139 | 137 | ) |
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140 | 138 | return result |
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141 | 139 | |
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142 | 140 | def test_system_interrupt(self): |
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143 | 141 | """ |
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144 | 142 | When interrupted in the way ipykernel interrupts IPython, the |
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145 | 143 | subprocess is interrupted. |
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146 | 144 | """ |
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147 | 145 | def command(): |
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148 | 146 | return system('%s -c "import time; time.sleep(5)"' % python) |
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149 | 147 | |
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150 | 148 | status = self.assert_interrupts(command) |
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151 | 149 | self.assertNotEqual( |
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152 | 150 | status, 0, "The process wasn't interrupted. Status: %s" % (status,) |
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153 | 151 | ) |
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154 | 152 | |
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155 | 153 | def test_getoutput(self): |
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156 | 154 | out = getoutput('%s "%s"' % (python, self.fname)) |
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157 | 155 | # we can't rely on the order the line buffered streams are flushed |
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158 | 156 | try: |
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159 | 157 | self.assertEqual(out, 'on stderron stdout') |
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160 | 158 | except AssertionError: |
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161 | 159 | self.assertEqual(out, 'on stdouton stderr') |
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162 | 160 | |
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163 | 161 | def test_getoutput_quoted(self): |
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164 | 162 | out = getoutput('%s -c "print (1)"' % python) |
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165 | 163 | self.assertEqual(out.strip(), '1') |
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166 | 164 | |
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167 | 165 | #Invalid quoting on windows |
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168 | 166 | @dec.skip_win32 |
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169 | 167 | def test_getoutput_quoted2(self): |
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170 | 168 | out = getoutput("%s -c 'print (1)'" % python) |
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171 | 169 | self.assertEqual(out.strip(), '1') |
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172 | 170 | out = getoutput("%s -c 'print (\"1\")'" % python) |
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173 | 171 | self.assertEqual(out.strip(), '1') |
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174 | 172 | |
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175 | 173 | def test_getoutput_error(self): |
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176 | 174 | out, err = getoutputerror('%s "%s"' % (python, self.fname)) |
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177 | 175 | self.assertEqual(out, 'on stdout') |
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178 | 176 | self.assertEqual(err, 'on stderr') |
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179 | 177 | |
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180 | 178 | def test_get_output_error_code(self): |
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181 | 179 | quiet_exit = '%s -c "import sys; sys.exit(1)"' % python |
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182 | 180 | out, err, code = get_output_error_code(quiet_exit) |
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183 | 181 | self.assertEqual(out, '') |
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184 | 182 | self.assertEqual(err, '') |
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185 | 183 | self.assertEqual(code, 1) |
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186 | 184 | out, err, code = get_output_error_code('%s "%s"' % (python, self.fname)) |
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187 | 185 | self.assertEqual(out, 'on stdout') |
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188 | 186 | self.assertEqual(err, 'on stderr') |
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189 | 187 | self.assertEqual(code, 0) |
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190 | 188 | |
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191 | 189 |
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