Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 1 | """Support code for distutils test cases.""" |
Tarek Ziadé | c1375d5 | 2009-02-14 14:35:51 +0000 | [diff] [blame] | 2 | import os |
Éric Araujo | 6e3ad87 | 2011-08-21 17:02:07 +0200 | [diff] [blame^] | 3 | import sys |
Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 4 | import shutil |
| 5 | import tempfile |
Éric Araujo | def15da | 2011-08-20 06:27:18 +0200 | [diff] [blame] | 6 | import unittest |
| 7 | import sysconfig |
Tarek Ziadé | 430fb63 | 2009-10-18 11:34:51 +0000 | [diff] [blame] | 8 | from copy import deepcopy |
Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 9 | |
Fred Drake | edcac8f | 2004-08-03 18:53:07 +0000 | [diff] [blame] | 10 | from distutils import log |
Tarek Ziadé | 31d4607 | 2009-09-21 13:55:19 +0000 | [diff] [blame] | 11 | from distutils.log import DEBUG, INFO, WARN, ERROR, FATAL |
Tarek Ziadé | baf5180 | 2009-03-31 21:37:16 +0000 | [diff] [blame] | 12 | from distutils.core import Distribution |
Fred Drake | edcac8f | 2004-08-03 18:53:07 +0000 | [diff] [blame] | 13 | |
Éric Araujo | def15da | 2011-08-20 06:27:18 +0200 | [diff] [blame] | 14 | |
Fred Drake | edcac8f | 2004-08-03 18:53:07 +0000 | [diff] [blame] | 15 | class LoggingSilencer(object): |
| 16 | |
| 17 | def setUp(self): |
Guido van Rossum | cd16bf6 | 2007-06-13 18:07:49 +0000 | [diff] [blame] | 18 | super().setUp() |
Fred Drake | edcac8f | 2004-08-03 18:53:07 +0000 | [diff] [blame] | 19 | self.threshold = log.set_threshold(log.FATAL) |
Tarek Ziadé | 5af55c6 | 2009-05-16 16:52:13 +0000 | [diff] [blame] | 20 | # catching warnings |
| 21 | # when log will be replaced by logging |
| 22 | # we won't need such monkey-patch anymore |
| 23 | self._old_log = log.Log._log |
| 24 | log.Log._log = self._log |
| 25 | self.logs = [] |
Fred Drake | edcac8f | 2004-08-03 18:53:07 +0000 | [diff] [blame] | 26 | |
| 27 | def tearDown(self): |
| 28 | log.set_threshold(self.threshold) |
Tarek Ziadé | 5af55c6 | 2009-05-16 16:52:13 +0000 | [diff] [blame] | 29 | log.Log._log = self._old_log |
Guido van Rossum | cd16bf6 | 2007-06-13 18:07:49 +0000 | [diff] [blame] | 30 | super().tearDown() |
Fred Drake | edcac8f | 2004-08-03 18:53:07 +0000 | [diff] [blame] | 31 | |
Tarek Ziadé | 5af55c6 | 2009-05-16 16:52:13 +0000 | [diff] [blame] | 32 | def _log(self, level, msg, args): |
Tarek Ziadé | 31d4607 | 2009-09-21 13:55:19 +0000 | [diff] [blame] | 33 | if level not in (DEBUG, INFO, WARN, ERROR, FATAL): |
| 34 | raise ValueError('%s wrong log level' % str(level)) |
Tarek Ziadé | 5af55c6 | 2009-05-16 16:52:13 +0000 | [diff] [blame] | 35 | self.logs.append((level, msg, args)) |
| 36 | |
| 37 | def get_logs(self, *levels): |
| 38 | def _format(msg, args): |
| 39 | if len(args) == 0: |
| 40 | return msg |
| 41 | return msg % args |
| 42 | return [_format(msg, args) for level, msg, args |
| 43 | in self.logs if level in levels] |
| 44 | |
| 45 | def clear_logs(self): |
| 46 | self.logs = [] |
Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 47 | |
Éric Araujo | def15da | 2011-08-20 06:27:18 +0200 | [diff] [blame] | 48 | |
Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 49 | class TempdirManager(object): |
| 50 | """Mix-in class that handles temporary directories for test cases. |
| 51 | |
| 52 | This is intended to be used with unittest.TestCase. |
| 53 | """ |
| 54 | |
| 55 | def setUp(self): |
Guido van Rossum | cd16bf6 | 2007-06-13 18:07:49 +0000 | [diff] [blame] | 56 | super().setUp() |
Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 57 | self.tempdirs = [] |
| 58 | |
| 59 | def tearDown(self): |
Guido van Rossum | cd16bf6 | 2007-06-13 18:07:49 +0000 | [diff] [blame] | 60 | super().tearDown() |
Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 61 | while self.tempdirs: |
| 62 | d = self.tempdirs.pop() |
Tarek Ziadé | c1375d5 | 2009-02-14 14:35:51 +0000 | [diff] [blame] | 63 | shutil.rmtree(d, os.name in ('nt', 'cygwin')) |
Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 64 | |
| 65 | def mkdtemp(self): |
| 66 | """Create a temporary directory that will be cleaned up. |
| 67 | |
| 68 | Returns the path of the directory. |
| 69 | """ |
| 70 | d = tempfile.mkdtemp() |
| 71 | self.tempdirs.append(d) |
| 72 | return d |
| 73 | |
Tarek Ziadé | baf5180 | 2009-03-31 21:37:16 +0000 | [diff] [blame] | 74 | def write_file(self, path, content='xxx'): |
Tarek Ziadé | 0d0506e | 2009-02-16 21:49:12 +0000 | [diff] [blame] | 75 | """Writes a file in the given path. |
| 76 | |
| 77 | |
| 78 | path can be a string or a sequence. |
| 79 | """ |
| 80 | if isinstance(path, (list, tuple)): |
| 81 | path = os.path.join(*path) |
| 82 | f = open(path, 'w') |
| 83 | try: |
| 84 | f.write(content) |
| 85 | finally: |
| 86 | f.close() |
Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 87 | |
Tarek Ziadé | baf5180 | 2009-03-31 21:37:16 +0000 | [diff] [blame] | 88 | def create_dist(self, pkg_name='foo', **kw): |
| 89 | """Will generate a test environment. |
| 90 | |
| 91 | This function creates: |
| 92 | - a Distribution instance using keywords |
| 93 | - a temporary directory with a package structure |
| 94 | |
| 95 | It returns the package directory and the distribution |
| 96 | instance. |
| 97 | """ |
| 98 | tmp_dir = self.mkdtemp() |
| 99 | pkg_dir = os.path.join(tmp_dir, pkg_name) |
| 100 | os.mkdir(pkg_dir) |
| 101 | dist = Distribution(attrs=kw) |
| 102 | |
| 103 | return pkg_dir, dist |
| 104 | |
Éric Araujo | def15da | 2011-08-20 06:27:18 +0200 | [diff] [blame] | 105 | |
Fred Drake | b8ab8b6 | 2004-06-17 20:14:50 +0000 | [diff] [blame] | 106 | class DummyCommand: |
| 107 | """Class to store options for retrieval via set_undefined_options().""" |
| 108 | |
| 109 | def __init__(self, **kwargs): |
| 110 | for kw, val in kwargs.items(): |
| 111 | setattr(self, kw, val) |
| 112 | |
| 113 | def ensure_finalized(self): |
| 114 | pass |
Tarek Ziadé | 29bbb96 | 2009-05-10 12:02:35 +0000 | [diff] [blame] | 115 | |
Éric Araujo | def15da | 2011-08-20 06:27:18 +0200 | [diff] [blame] | 116 | |
Tarek Ziadé | 29bbb96 | 2009-05-10 12:02:35 +0000 | [diff] [blame] | 117 | class EnvironGuard(object): |
| 118 | |
| 119 | def setUp(self): |
| 120 | super(EnvironGuard, self).setUp() |
Tarek Ziadé | 430fb63 | 2009-10-18 11:34:51 +0000 | [diff] [blame] | 121 | self.old_environ = deepcopy(os.environ) |
Tarek Ziadé | 29bbb96 | 2009-05-10 12:02:35 +0000 | [diff] [blame] | 122 | |
| 123 | def tearDown(self): |
Tarek Ziadé | 430fb63 | 2009-10-18 11:34:51 +0000 | [diff] [blame] | 124 | for key, value in self.old_environ.items(): |
| 125 | if os.environ.get(key) != value: |
| 126 | os.environ[key] = value |
| 127 | |
| 128 | for key in tuple(os.environ.keys()): |
| 129 | if key not in self.old_environ: |
| 130 | del os.environ[key] |
| 131 | |
Tarek Ziadé | 29bbb96 | 2009-05-10 12:02:35 +0000 | [diff] [blame] | 132 | super(EnvironGuard, self).tearDown() |
Éric Araujo | def15da | 2011-08-20 06:27:18 +0200 | [diff] [blame] | 133 | |
| 134 | |
| 135 | def copy_xxmodule_c(directory): |
| 136 | """Helper for tests that need the xxmodule.c source file. |
| 137 | |
| 138 | Example use: |
| 139 | |
Éric Araujo | e1e1331 | 2011-08-20 07:25:39 +0200 | [diff] [blame] | 140 | def test_compile(self): |
| 141 | copy_xxmodule_c(self.tmpdir) |
Éric Araujo | 52b201f | 2011-08-21 12:53:37 +0200 | [diff] [blame] | 142 | self.assertIn('xxmodule.c', os.listdir(self.tmpdir)) |
Éric Araujo | def15da | 2011-08-20 06:27:18 +0200 | [diff] [blame] | 143 | |
| 144 | If the source file can be found, it will be copied to *directory*. If not, |
| 145 | the test will be skipped. Errors during copy are not caught. |
| 146 | """ |
| 147 | filename = _get_xxmodule_path() |
| 148 | if filename is None: |
| 149 | raise unittest.SkipTest('cannot find xxmodule.c (test must run in ' |
| 150 | 'the python build dir)') |
| 151 | shutil.copy(filename, directory) |
| 152 | |
| 153 | |
| 154 | def _get_xxmodule_path(): |
| 155 | srcdir = sysconfig.get_config_var('srcdir') |
| 156 | candidates = [ |
| 157 | # use installed copy if available |
| 158 | os.path.join(os.path.dirname(__file__), 'xxmodule.c'), |
| 159 | # otherwise try using copy from build directory |
| 160 | os.path.join(srcdir, 'Modules', 'xxmodule.c'), |
| 161 | # srcdir mysteriously can be $srcdir/Lib/distutils/tests when |
| 162 | # this file is run from its parent directory, so walk up the |
| 163 | # tree to find the real srcdir |
| 164 | os.path.join(srcdir, '..', '..', '..', 'Modules', 'xxmodule.c'), |
| 165 | ] |
| 166 | for path in candidates: |
| 167 | if os.path.exists(path): |
| 168 | return path |
Éric Araujo | 6e3ad87 | 2011-08-21 17:02:07 +0200 | [diff] [blame^] | 169 | |
| 170 | |
| 171 | def fixup_build_ext(cmd): |
| 172 | """Function needed to make build_ext tests pass on shared builds. |
| 173 | |
| 174 | When Python was build with --enable-shared, -L. is not good enough to find |
| 175 | the libpython<blah>.so. This is because regrtest runs it under a tempdir, |
| 176 | not in the top level where the .so lives. By the time we've gotten here, |
| 177 | Python's already been chdir'd to the tempdir. This function work arounds |
| 178 | that. Example use: |
| 179 | |
| 180 | cmd = build_ext(dist) |
| 181 | support.fixup_build_ext(cmd) |
| 182 | cmd.ensure_finalized() |
| 183 | """ |
| 184 | # To further add to the fun, we can't just add library_dirs to the |
| 185 | # Extension() instance because that doesn't get plumbed through to the |
| 186 | # final compiler command. |
| 187 | if (sysconfig.get_config_var('Py_ENABLE_SHARED') and |
| 188 | not sys.platform.startswith('win')): |
| 189 | runshared = sysconfig.get_config_var('RUNSHARED') |
| 190 | if runshared is None: |
| 191 | cmd.library_dirs = ['.'] |
| 192 | else: |
| 193 | name, equals, value = runshared.partition('=') |
| 194 | cmd.library_dirs = value.split(os.pathsep) |