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@@ -1,593 +1,597 b'' | |||
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1 | 1 | from __future__ import print_function, absolute_import |
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2 | 2 | |
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3 | 3 | """Fuzz testing for operations against a Mercurial repository |
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4 | 4 | |
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5 | 5 | This uses Hypothesis's stateful testing to generate random repository |
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6 | 6 | operations and test Mercurial using them, both to see if there are any |
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7 | 7 | unexpected errors and to compare different versions of it.""" |
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8 | 8 | |
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9 | 9 | import os |
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10 | 10 | import sys |
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11 | 11 | |
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12 | 12 | # These tests require Hypothesis and pytz to be installed. |
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13 | 13 | # Running 'pip install hypothesis pytz' will achieve that. |
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14 | 14 | # Note: This won't work if you're running Python < 2.7. |
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15 | 15 | try: |
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16 | 16 | from hypothesis.extra.datetime import datetimes |
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17 | 17 | except ImportError: |
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18 | 18 | sys.stderr.write("skipped: hypothesis or pytz not installed" + os.linesep) |
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19 | 19 | sys.exit(80) |
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20 | 20 | |
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21 | 21 | # If you are running an old version of pip you may find that the enum34 |
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22 | 22 | # backport is not installed automatically. If so 'pip install enum34' will |
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23 | 23 | # fix this problem. |
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24 | 24 | try: |
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25 | 25 | import enum |
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26 | 26 | assert enum # Silence pyflakes |
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27 | 27 | except ImportError: |
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28 | 28 | sys.stderr.write("skipped: enum34 not installed" + os.linesep) |
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29 | 29 | sys.exit(80) |
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30 | 30 | |
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31 | 31 | import binascii |
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32 | 32 | from contextlib import contextmanager |
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33 | 33 | import errno |
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34 | 34 | import pipes |
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35 | 35 | import shutil |
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36 | 36 | import silenttestrunner |
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37 | 37 | import subprocess |
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38 | 38 | |
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39 | 39 | from hypothesis.errors import HypothesisException |
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40 | 40 | from hypothesis.stateful import ( |
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41 | 41 | rule, RuleBasedStateMachine, Bundle, precondition) |
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42 | 42 | from hypothesis import settings, note, strategies as st |
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43 | 43 | from hypothesis.configuration import set_hypothesis_home_dir |
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44 | 44 | from hypothesis.database import ExampleDatabase |
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45 | 45 | |
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46 | 46 | testdir = os.path.abspath(os.environ["TESTDIR"]) |
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47 | 47 | |
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48 | 48 | # We store Hypothesis examples here rather in the temporary test directory |
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49 | 49 | # so that when rerunning a failing test this always results in refinding the |
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50 | 50 | # previous failure. This directory is in .hgignore and should not be checked in |
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51 | 51 | # but is useful to have for development. |
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52 | 52 | set_hypothesis_home_dir(os.path.join(testdir, ".hypothesis")) |
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53 | 53 | |
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54 | 54 | runtests = os.path.join(os.environ["RUNTESTDIR"], "run-tests.py") |
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55 | 55 | testtmp = os.environ["TESTTMP"] |
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56 | 56 | assert os.path.isdir(testtmp) |
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57 | 57 | |
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58 | 58 | generatedtests = os.path.join(testdir, "hypothesis-generated") |
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59 | 59 | |
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60 | 60 | try: |
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61 | 61 | os.makedirs(generatedtests) |
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62 | 62 | except OSError: |
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63 | 63 | pass |
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64 | 64 | |
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65 | 65 | # We write out generated .t files to a file in order to ease debugging and to |
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66 | 66 | # give a starting point for turning failures Hypothesis finds into normal |
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67 | 67 | # tests. In order to ensure that multiple copies of this test can be run in |
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68 | 68 | # parallel we use atomic file create to ensure that we always get a unique |
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69 | 69 | # name. |
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70 | 70 | file_index = 0 |
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71 | 71 | while True: |
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72 | 72 | file_index += 1 |
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73 | 73 | savefile = os.path.join(generatedtests, "test-generated-%d.t" % ( |
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74 | 74 | file_index, |
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75 | 75 | )) |
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76 | 76 | try: |
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77 | 77 | os.close(os.open(savefile, os.O_CREAT | os.O_EXCL | os.O_WRONLY)) |
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78 | 78 | break |
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79 | 79 | except OSError as e: |
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80 | 80 | if e.errno != errno.EEXIST: |
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81 | 81 | raise |
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82 | 82 | assert os.path.exists(savefile) |
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83 | 83 | |
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84 | 84 | hgrc = os.path.join(".hg", "hgrc") |
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85 | 85 | |
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86 | 86 | filecharacters = ( |
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87 | 87 | "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" |
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88 | 88 | "[]^_`;=@{}~ !#$%&'()+,-" |
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89 | 89 | ) |
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90 | 90 | |
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91 | 91 | files = st.text(filecharacters, min_size=1).map(lambda x: x.strip()).filter( |
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92 | 92 | bool).map(lambda s: s.encode('ascii')) |
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93 | 93 | |
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94 | 94 | safetext = st.text(st.characters( |
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95 | 95 | min_codepoint=1, max_codepoint=127, |
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96 | 96 | blacklist_categories=('Cc', 'Cs')), min_size=1).map( |
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97 | 97 | lambda s: s.encode('utf-8') |
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98 | 98 | ) |
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99 | 99 | |
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100 | extensions = st.sampled_from(('shelve', 'mq', 'blackbox',)) | |
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101 | ||
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100 | 102 | @contextmanager |
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101 | 103 | def acceptableerrors(*args): |
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102 | 104 | """Sometimes we know an operation we're about to perform might fail, and |
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103 | 105 | we're OK with some of the failures. In those cases this may be used as a |
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104 | 106 | context manager and will swallow expected failures, as identified by |
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105 | 107 | substrings of the error message Mercurial emits.""" |
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106 | 108 | try: |
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107 | 109 | yield |
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108 | 110 | except subprocess.CalledProcessError as e: |
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109 | 111 | if not any(a in e.output for a in args): |
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110 | 112 | note(e.output) |
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111 | 113 | raise |
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112 | 114 | |
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113 | 115 | reponames = st.text("abcdefghijklmnopqrstuvwxyz01234556789", min_size=1).map( |
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114 | 116 | lambda s: s.encode('ascii') |
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115 | 117 | ) |
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116 | 118 | |
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117 | 119 | class verifyingstatemachine(RuleBasedStateMachine): |
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118 | 120 | """This defines the set of acceptable operations on a Mercurial repository |
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119 | 121 | using Hypothesis's RuleBasedStateMachine. |
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120 | 122 | |
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121 | 123 | The general concept is that we manage multiple repositories inside a |
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122 | 124 | repos/ directory in our temporary test location. Some of these are freshly |
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123 | 125 | inited, some are clones of the others. Our current working directory is |
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124 | 126 | always inside one of these repositories while the tests are running. |
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125 | 127 | |
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126 | 128 | Hypothesis then performs a series of operations against these repositories, |
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127 | 129 | including hg commands, generating contents and editing the .hgrc file. |
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128 | 130 | If these operations fail in unexpected ways or behave differently in |
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129 | 131 | different configurations of Mercurial, the test will fail and a minimized |
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130 | 132 | .t test file will be written to the hypothesis-generated directory to |
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131 | 133 | exhibit that failure. |
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132 | 134 | |
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133 | 135 | Operations are defined as methods with @rule() decorators. See the |
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134 | 136 | Hypothesis documentation at |
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135 | 137 | http://hypothesis.readthedocs.org/en/release/stateful.html for more |
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136 | 138 | details.""" |
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137 | 139 | |
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138 | 140 | # A bundle is a reusable collection of previously generated data which may |
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139 | 141 | # be provided as arguments to future operations. |
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140 | 142 | repos = Bundle('repos') |
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141 | 143 | paths = Bundle('paths') |
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142 | 144 | contents = Bundle('contents') |
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143 | 145 | branches = Bundle('branches') |
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144 | 146 | committimes = Bundle('committimes') |
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145 | 147 | |
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146 | 148 | def __init__(self): |
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147 | 149 | super(verifyingstatemachine, self).__init__() |
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148 | 150 | self.repodir = os.path.join(testtmp, "repos") |
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149 | 151 | if os.path.exists(self.repodir): |
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150 | 152 | shutil.rmtree(self.repodir) |
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151 | 153 | os.chdir(testtmp) |
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152 | 154 | self.log = [] |
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153 | 155 | self.failed = False |
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156 | self.configperrepo = {} | |
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157 | self.all_extensions = set() | |
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158 | self.non_skippable_extensions = set() | |
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154 | 159 | |
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155 | 160 | self.mkdirp("repos") |
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156 | 161 | self.cd("repos") |
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157 | 162 | self.mkdirp("repo1") |
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158 | 163 | self.cd("repo1") |
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159 | 164 | self.hg("init") |
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160 | self.extensions = {} | |
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161 | self.all_extensions = set() | |
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162 | self.non_skippable_extensions = set() | |
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163 | 165 | |
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164 | 166 | def teardown(self): |
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165 | 167 | """On teardown we clean up after ourselves as usual, but we also |
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166 | 168 | do some additional testing: We generate a .t file based on our test |
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167 | 169 | run using run-test.py -i to get the correct output. |
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168 | 170 | |
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169 | 171 | We then test it in a number of other configurations, verifying that |
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170 | 172 | each passes the same test.""" |
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171 | 173 | super(verifyingstatemachine, self).teardown() |
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172 | 174 | try: |
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173 | 175 | shutil.rmtree(self.repodir) |
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174 | 176 | except OSError: |
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175 | 177 | pass |
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176 | 178 | ttest = os.linesep.join(" " + l for l in self.log) |
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177 | 179 | os.chdir(testtmp) |
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178 | 180 | path = os.path.join(testtmp, "test-generated.t") |
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179 | 181 | with open(path, 'w') as o: |
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180 | 182 | o.write(ttest + os.linesep) |
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181 | 183 | with open(os.devnull, "w") as devnull: |
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182 | 184 | rewriter = subprocess.Popen( |
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183 | 185 | [runtests, "--local", "-i", path], stdin=subprocess.PIPE, |
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184 | 186 | stdout=devnull, stderr=devnull, |
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185 | 187 | ) |
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186 | 188 | rewriter.communicate("yes") |
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187 | 189 | with open(path, 'r') as i: |
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188 | 190 | ttest = i.read() |
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189 | 191 | |
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190 | 192 | e = None |
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191 | 193 | if not self.failed: |
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192 | 194 | try: |
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193 | for ext in ( | |
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194 | self.all_extensions - self.non_skippable_extensions | |
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195 | ): | |
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196 | try: | |
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197 | os.environ["SKIP_EXTENSION"] = ext | |
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198 | output = subprocess.check_output([ | |
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199 | runtests, path, "--local", | |
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200 | ], stderr=subprocess.STDOUT) | |
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201 | assert "Ran 1 test" in output, output | |
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202 | finally: | |
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203 | del os.environ["SKIP_EXTENSION"] | |
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204 | 195 | output = subprocess.check_output([ |
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205 | 196 | runtests, path, "--local", "--pure" |
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206 | 197 | ], stderr=subprocess.STDOUT) |
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207 | 198 | assert "Ran 1 test" in output, output |
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199 | for ext in ( | |
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200 | self.all_extensions - self.non_skippable_extensions | |
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201 | ): | |
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202 | tf = os.path.join(testtmp, "test-generated-no-%s.t" % ( | |
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203 | ext, | |
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204 | )) | |
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205 | with open(tf, 'w') as o: | |
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206 | for l in ttest.splitlines(): | |
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207 | if l.startswith(" $ hg"): | |
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208 | l = l.replace( | |
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209 | "--config %s=" % ( | |
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210 | extensionconfigkey(ext),), "") | |
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211 | o.write(l + os.linesep) | |
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212 | with open(tf, 'r') as r: | |
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213 | t = r.read() | |
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214 | assert ext not in t, t | |
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215 | output = subprocess.check_output([ | |
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216 | runtests, tf, "--local", | |
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217 | ], stderr=subprocess.STDOUT) | |
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218 | assert "Ran 1 test" in output, output | |
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208 | 219 | except subprocess.CalledProcessError as e: |
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209 | 220 | note(e.output) |
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210 | finally: | |
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211 | os.unlink(path) | |
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212 | try: | |
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213 | os.unlink(path + ".err") | |
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214 | except OSError: | |
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215 | pass | |
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216 | 221 | if self.failed or e is not None: |
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217 | 222 | with open(savefile, "wb") as o: |
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218 | 223 | o.write(ttest) |
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219 | 224 | if e is not None: |
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220 | 225 | raise e |
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221 | 226 | |
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222 | 227 | def execute_step(self, step): |
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223 | 228 | try: |
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224 | 229 | return super(verifyingstatemachine, self).execute_step(step) |
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225 | 230 | except (HypothesisException, KeyboardInterrupt): |
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226 | 231 | raise |
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227 | 232 | except Exception: |
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228 | 233 | self.failed = True |
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229 | 234 | raise |
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230 | 235 | |
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231 | 236 | # Section: Basic commands. |
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232 | 237 | def mkdirp(self, path): |
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233 | 238 | if os.path.exists(path): |
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234 | 239 | return |
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235 | 240 | self.log.append( |
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236 | 241 | "$ mkdir -p -- %s" % (pipes.quote(os.path.relpath(path)),)) |
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237 | 242 | os.makedirs(path) |
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238 | 243 | |
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239 | 244 | def cd(self, path): |
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240 | 245 | path = os.path.relpath(path) |
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241 | 246 | if path == ".": |
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242 | 247 | return |
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243 | 248 | os.chdir(path) |
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244 | 249 | self.log.append("$ cd -- %s" % (pipes.quote(path),)) |
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245 | 250 | |
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246 | 251 | def hg(self, *args): |
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247 | self.command("hg", *args) | |
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252 | extra_flags = [] | |
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253 | for key, value in self.config.items(): | |
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254 | extra_flags.append("--config") | |
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255 | extra_flags.append("%s=%s" % (key, value)) | |
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256 | self.command("hg", *(tuple(extra_flags) + args)) | |
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248 | 257 | |
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249 | 258 | def command(self, *args): |
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250 | 259 | self.log.append("$ " + ' '.join(map(pipes.quote, args))) |
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251 | 260 | subprocess.check_output(args, stderr=subprocess.STDOUT) |
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252 | 261 | |
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253 | 262 | # Section: Set up basic data |
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254 | 263 | # This section has no side effects but generates data that we will want |
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255 | 264 | # to use later. |
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256 | 265 | @rule( |
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257 | 266 | target=paths, |
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258 | 267 | source=st.lists(files, min_size=1).map(lambda l: os.path.join(*l))) |
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259 | 268 | def genpath(self, source): |
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260 | 269 | return source |
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261 | 270 | |
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262 | 271 | @rule( |
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263 | 272 | target=committimes, |
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264 | 273 | when=datetimes(min_year=1970, max_year=2038) | st.none()) |
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265 | 274 | def gentime(self, when): |
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266 | 275 | return when |
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267 | 276 | |
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268 | 277 | @rule( |
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269 | 278 | target=contents, |
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270 | 279 | content=st.one_of( |
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271 | 280 | st.binary(), |
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272 | 281 | st.text().map(lambda x: x.encode('utf-8')) |
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273 | 282 | )) |
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274 | 283 | def gencontent(self, content): |
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275 | 284 | return content |
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276 | 285 | |
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277 | 286 | @rule( |
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278 | 287 | target=branches, |
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279 | 288 | name=safetext, |
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280 | 289 | ) |
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281 | 290 | def genbranch(self, name): |
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282 | 291 | return name |
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283 | 292 | |
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284 | 293 | @rule(target=paths, source=paths) |
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285 | 294 | def lowerpath(self, source): |
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286 | 295 | return source.lower() |
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287 | 296 | |
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288 | 297 | @rule(target=paths, source=paths) |
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289 | 298 | def upperpath(self, source): |
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290 | 299 | return source.upper() |
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291 | 300 | |
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292 | 301 | # Section: Basic path operations |
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293 | 302 | @rule(path=paths, content=contents) |
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294 | 303 | def writecontent(self, path, content): |
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295 | 304 | self.unadded_changes = True |
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296 | 305 | if os.path.isdir(path): |
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297 | 306 | return |
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298 | 307 | parent = os.path.dirname(path) |
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299 | 308 | if parent: |
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300 | 309 | try: |
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301 | 310 | self.mkdirp(parent) |
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302 | 311 | except OSError: |
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303 | 312 | # It may be the case that there is a regular file that has |
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304 | 313 | # previously been created that has the same name as an ancestor |
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305 | 314 | # of the current path. This will cause mkdirp to fail with this |
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306 | 315 | # error. We just turn this into a no-op in that case. |
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307 | 316 | return |
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308 | 317 | with open(path, 'wb') as o: |
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309 | 318 | o.write(content) |
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310 | 319 | self.log.append(( |
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311 | 320 | "$ python -c 'import binascii; " |
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312 | 321 | "print(binascii.unhexlify(\"%s\"))' > %s") % ( |
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313 | 322 | binascii.hexlify(content), |
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314 | 323 | pipes.quote(path), |
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315 | 324 | )) |
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316 | 325 | |
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317 | 326 | @rule(path=paths) |
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318 | 327 | def addpath(self, path): |
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319 | 328 | if os.path.exists(path): |
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320 | 329 | self.hg("add", "--", path) |
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321 | 330 | |
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322 | 331 | @rule(path=paths) |
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323 | 332 | def forgetpath(self, path): |
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324 | 333 | if os.path.exists(path): |
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325 | 334 | with acceptableerrors( |
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326 | 335 | "file is already untracked", |
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327 | 336 | ): |
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328 | 337 | self.hg("forget", "--", path) |
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329 | 338 | |
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330 | 339 | @rule(s=st.none() | st.integers(0, 100)) |
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331 | 340 | def addremove(self, s): |
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332 | 341 | args = ["addremove"] |
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333 | 342 | if s is not None: |
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334 | 343 | args.extend(["-s", str(s)]) |
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335 | 344 | self.hg(*args) |
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336 | 345 | |
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337 | 346 | @rule(path=paths) |
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338 | 347 | def removepath(self, path): |
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339 | 348 | if os.path.exists(path): |
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340 | 349 | with acceptableerrors( |
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341 | 350 | 'file is untracked', |
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342 | 351 | 'file has been marked for add', |
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343 | 352 | 'file is modified', |
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344 | 353 | ): |
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345 | 354 | self.hg("remove", "--", path) |
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346 | 355 | |
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347 | 356 | @rule( |
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348 | 357 | message=safetext, |
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349 | 358 | amend=st.booleans(), |
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350 | 359 | when=committimes, |
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351 | 360 | addremove=st.booleans(), |
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352 | 361 | secret=st.booleans(), |
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353 | 362 | close_branch=st.booleans(), |
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354 | 363 | ) |
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355 | 364 | def maybecommit( |
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356 | 365 | self, message, amend, when, addremove, secret, close_branch |
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357 | 366 | ): |
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358 | 367 | command = ["commit"] |
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359 | 368 | errors = ["nothing changed"] |
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360 | 369 | if amend: |
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361 | 370 | errors.append("cannot amend public changesets") |
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362 | 371 | command.append("--amend") |
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363 | 372 | command.append("-m" + pipes.quote(message)) |
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364 | 373 | if secret: |
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365 | 374 | command.append("--secret") |
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366 | 375 | if close_branch: |
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367 | 376 | command.append("--close-branch") |
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368 | 377 | errors.append("can only close branch heads") |
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369 | 378 | if addremove: |
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370 | 379 | command.append("--addremove") |
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371 | 380 | if when is not None: |
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372 | 381 | if when.year == 1970: |
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373 | 382 | errors.append('negative date value') |
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374 | 383 | if when.year == 2038: |
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375 | 384 | errors.append('exceeds 32 bits') |
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376 | 385 | command.append("--date=%s" % ( |
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377 | 386 | when.strftime('%Y-%m-%d %H:%M:%S %z'),)) |
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378 | 387 | |
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379 | 388 | with acceptableerrors(*errors): |
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380 | 389 | self.hg(*command) |
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381 | 390 | |
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382 | 391 | # Section: Repository management |
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383 | 392 | @property |
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384 | 393 | def currentrepo(self): |
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385 | 394 | return os.path.basename(os.getcwd()) |
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386 | 395 | |
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396 | @property | |
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397 | def config(self): | |
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398 | return self.configperrepo.setdefault(self.currentrepo, {}) | |
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399 | ||
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387 | 400 | @rule( |
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388 | 401 | target=repos, |
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389 | 402 | source=repos, |
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390 | 403 | name=reponames, |
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391 | 404 | ) |
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392 | 405 | def clone(self, source, name): |
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393 | 406 | if not os.path.exists(os.path.join("..", name)): |
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394 | 407 | self.cd("..") |
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395 | 408 | self.hg("clone", source, name) |
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396 | 409 | self.cd(name) |
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397 | 410 | return name |
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398 | 411 | |
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399 | 412 | @rule( |
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400 | 413 | target=repos, |
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401 | 414 | name=reponames, |
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402 | 415 | ) |
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403 | 416 | def fresh(self, name): |
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404 | 417 | if not os.path.exists(os.path.join("..", name)): |
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405 | 418 | self.cd("..") |
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406 | 419 | self.mkdirp(name) |
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407 | 420 | self.cd(name) |
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408 | 421 | self.hg("init") |
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409 | 422 | return name |
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410 | 423 | |
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411 | 424 | @rule(name=repos) |
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412 | 425 | def switch(self, name): |
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413 | 426 | self.cd(os.path.join("..", name)) |
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414 | 427 | assert self.currentrepo == name |
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415 | 428 | assert os.path.exists(".hg") |
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416 | 429 | |
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417 | 430 | @rule(target=repos) |
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418 | 431 | def origin(self): |
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419 | 432 | return "repo1" |
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420 | 433 | |
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421 | 434 | @rule() |
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422 | 435 | def pull(self, repo=repos): |
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423 | 436 | with acceptableerrors( |
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424 | 437 | "repository default not found", |
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425 | 438 | "repository is unrelated", |
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426 | 439 | ): |
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427 | 440 | self.hg("pull") |
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428 | 441 | |
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429 | 442 | @rule(newbranch=st.booleans()) |
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430 | 443 | def push(self, newbranch): |
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431 | 444 | with acceptableerrors( |
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432 | 445 | "default repository not configured", |
|
433 | 446 | "no changes found", |
|
434 | 447 | ): |
|
435 | 448 | if newbranch: |
|
436 | 449 | self.hg("push", "--new-branch") |
|
437 | 450 | else: |
|
438 | 451 | with acceptableerrors( |
|
439 | 452 | "creates new branches" |
|
440 | 453 | ): |
|
441 | 454 | self.hg("push") |
|
442 | 455 | |
|
443 | 456 | # Section: Simple side effect free "check" operations |
|
444 | 457 | @rule() |
|
445 | 458 | def log(self): |
|
446 | 459 | self.hg("log") |
|
447 | 460 | |
|
448 | 461 | @rule() |
|
449 | 462 | def verify(self): |
|
450 | 463 | self.hg("verify") |
|
451 | 464 | |
|
452 | 465 | @rule() |
|
453 | 466 | def diff(self): |
|
454 | 467 | self.hg("diff", "--nodates") |
|
455 | 468 | |
|
456 | 469 | @rule() |
|
457 | 470 | def status(self): |
|
458 | 471 | self.hg("status") |
|
459 | 472 | |
|
460 | 473 | @rule() |
|
461 | 474 | def export(self): |
|
462 | 475 | self.hg("export") |
|
463 | 476 | |
|
464 | 477 | # Section: Branch management |
|
465 | 478 | @rule() |
|
466 | 479 | def checkbranch(self): |
|
467 | 480 | self.hg("branch") |
|
468 | 481 | |
|
469 | 482 | @rule(branch=branches) |
|
470 | 483 | def switchbranch(self, branch): |
|
471 | 484 | with acceptableerrors( |
|
472 | 485 | 'cannot use an integer as a name', |
|
473 | 486 | 'cannot be used in a name', |
|
474 | 487 | 'a branch of the same name already exists', |
|
475 | 488 | 'is reserved', |
|
476 | 489 | ): |
|
477 | 490 | self.hg("branch", "--", branch) |
|
478 | 491 | |
|
479 | 492 | @rule(branch=branches, clean=st.booleans()) |
|
480 | 493 | def update(self, branch, clean): |
|
481 | 494 | with acceptableerrors( |
|
482 | 495 | 'unknown revision', |
|
483 | 496 | 'parse error', |
|
484 | 497 | ): |
|
485 | 498 | if clean: |
|
486 | 499 | self.hg("update", "-C", "--", branch) |
|
487 | 500 | else: |
|
488 | 501 | self.hg("update", "--", branch) |
|
489 | 502 | |
|
490 | 503 | # Section: Extension management |
|
491 | 504 | def hasextension(self, extension): |
|
492 | repo = self.currentrepo | |
|
493 | return repo in self.extensions and extension in self.extensions[repo] | |
|
505 | return extensionconfigkey(extension) in self.config | |
|
494 | 506 | |
|
495 | 507 | def commandused(self, extension): |
|
496 | 508 | assert extension in self.all_extensions |
|
497 | 509 | self.non_skippable_extensions.add(extension) |
|
498 | 510 | |
|
499 |
@rule(extension= |
|
|
500 | 'shelve', 'mq', 'blackbox', | |
|
501 | ))) | |
|
511 | @rule(extension=extensions) | |
|
502 | 512 | def addextension(self, extension): |
|
503 | 513 | self.all_extensions.add(extension) |
|
504 | extensions = self.extensions.setdefault(self.currentrepo, set()) | |
|
505 | if extension in extensions: | |
|
506 | return | |
|
507 | extensions.add(extension) | |
|
508 | if not os.path.exists(hgrc): | |
|
509 | self.command("touch", hgrc) | |
|
510 | with open(hgrc, 'a') as o: | |
|
511 | line = "[extensions]\n%s=\n" % (extension,) | |
|
512 | o.write(line) | |
|
513 | for l in line.splitlines(): | |
|
514 | self.log.append(( | |
|
515 | '$ if test "$SKIP_EXTENSION" != "%s" ; ' | |
|
516 | 'then echo %r >> %s; fi') % ( | |
|
517 | extension, l, hgrc,)) | |
|
514 | self.config[extensionconfigkey(extension)] = "" | |
|
515 | ||
|
516 | @rule(extension=extensions) | |
|
517 | def removeextension(self, extension): | |
|
518 | self.config.pop(extensionconfigkey(extension), None) | |
|
518 | 519 | |
|
519 | 520 | # Section: Commands from the shelve extension |
|
520 | 521 | @rule() |
|
521 | 522 | @precondition(lambda self: self.hasextension("shelve")) |
|
522 | 523 | def shelve(self): |
|
523 | 524 | self.commandused("shelve") |
|
524 | 525 | with acceptableerrors("nothing changed"): |
|
525 | 526 | self.hg("shelve") |
|
526 | 527 | |
|
527 | 528 | @rule() |
|
528 | 529 | @precondition(lambda self: self.hasextension("shelve")) |
|
529 | 530 | def unshelve(self): |
|
530 | 531 | self.commandused("shelve") |
|
531 | 532 | with acceptableerrors("no shelved changes to apply"): |
|
532 | 533 | self.hg("unshelve") |
|
533 | 534 | |
|
534 | 535 | class writeonlydatabase(ExampleDatabase): |
|
535 | 536 | def __init__(self, underlying): |
|
536 | 537 | super(ExampleDatabase, self).__init__() |
|
537 | 538 | self.underlying = underlying |
|
538 | 539 | |
|
539 | 540 | def fetch(self, key): |
|
540 | 541 | return () |
|
541 | 542 | |
|
542 | 543 | def save(self, key, value): |
|
543 | 544 | self.underlying.save(key, value) |
|
544 | 545 | |
|
545 | 546 | def delete(self, key, value): |
|
546 | 547 | self.underlying.delete(key, value) |
|
547 | 548 | |
|
548 | 549 | def close(self): |
|
549 | 550 | self.underlying.close() |
|
550 | 551 | |
|
552 | def extensionconfigkey(extension): | |
|
553 | return "extensions." + extension | |
|
554 | ||
|
551 | 555 | settings.register_profile( |
|
552 | 556 | 'default', settings( |
|
553 | 557 | timeout=300, |
|
554 | 558 | stateful_step_count=50, |
|
555 | 559 | max_examples=10, |
|
556 | 560 | ) |
|
557 | 561 | ) |
|
558 | 562 | |
|
559 | 563 | settings.register_profile( |
|
560 | 564 | 'fast', settings( |
|
561 | 565 | timeout=10, |
|
562 | 566 | stateful_step_count=20, |
|
563 | 567 | max_examples=5, |
|
564 | 568 | min_satisfying_examples=1, |
|
565 | 569 | max_shrinks=0, |
|
566 | 570 | ) |
|
567 | 571 | ) |
|
568 | 572 | |
|
569 | 573 | settings.register_profile( |
|
570 | 574 | 'continuous', settings( |
|
571 | 575 | timeout=-1, |
|
572 | 576 | stateful_step_count=1000, |
|
573 | 577 | max_examples=10 ** 8, |
|
574 | 578 | max_iterations=10 ** 8, |
|
575 | 579 | database=writeonlydatabase(settings.default.database) |
|
576 | 580 | ) |
|
577 | 581 | ) |
|
578 | 582 | |
|
579 | 583 | settings.load_profile(os.getenv('HYPOTHESIS_PROFILE', 'default')) |
|
580 | 584 | |
|
581 | 585 | verifyingtest = verifyingstatemachine.TestCase |
|
582 | 586 | |
|
583 | 587 | verifyingtest.settings = settings.default |
|
584 | 588 | |
|
585 | 589 | if __name__ == '__main__': |
|
586 | 590 | try: |
|
587 | 591 | silenttestrunner.main(__name__) |
|
588 | 592 | finally: |
|
589 | 593 | # So as to prevent proliferation of useless test files, if we never |
|
590 | 594 | # actually wrote a failing test we clean up after ourselves and delete |
|
591 | 595 | # the file for doing so that we owned. |
|
592 | 596 | if os.path.exists(savefile) and os.path.getsize(savefile) == 0: |
|
593 | 597 | os.unlink(savefile) |
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