runtests.py

   1 #!/usr/bin/python
   2
   3 import os
   4 import sys
   5 import re
   6 import gc
   7 import codecs
   8 import shutil
   9 import unittest
  10 import doctest
  11 import operator
  12 import tempfile
  13 import traceback
  14 try:
  15     from StringIO import StringIO
  16 except ImportError:
  17     from io import StringIO
  18
  19 try:
  20     import cPickle as pickle
  21 except ImportError:
  22     import pickle
  23
  24 try:
  25     import threading
  26 except ImportError: # No threads, no problems
  27     threading = None
  28
  29
  30 WITH_CYTHON = True
  31
  32 from distutils.dist import Distribution
  33 from distutils.core import Extension
  34 from distutils.command.build_ext import build_ext as _build_ext
  35 distutils_distro = Distribution()
  36
  37 TEST_DIRS = ['compile', 'errors', 'run', 'wrappers', 'pyregr', 'build']
  38 TEST_RUN_DIRS = ['run', 'wrappers', 'pyregr']
  39
  40 # Lists external modules, and a matcher matching tests
  41 # which should be excluded if the module is not present.
  42 EXT_DEP_MODULES = {
  43     'numpy' : re.compile('.*\.numpy_.*').match,
  44     'pstats' : re.compile('.*\.pstats_.*').match,
  45     'posix' : re.compile('.*\.posix_.*').match,
  46 }
  47
  48 def get_numpy_include_dirs():
  49     import numpy
  50     return [numpy.get_include()]
  51
  52 EXT_DEP_INCLUDES = [
  53     # test name matcher , callable returning list
  54     (re.compile('numpy_.*').match, get_numpy_include_dirs),
  55 ]
  56
  57 VER_DEP_MODULES = {
  58     # tests are excluded if 'CurrentPythonVersion OP VersionTuple', i.e.
  59     # (2,4) : (operator.lt, ...) excludes ... when PyVer < 2.4.x
  60     (2,4) : (operator.lt, lambda x: x in ['run.extern_builtins_T258',
  61                                           'run.builtin_sorted'
  62                                           ]),
  63     (2,5) : (operator.lt, lambda x: x in ['run.any',
  64                                           'run.all',
  65                                           ]),
  66     (2,6) : (operator.lt, lambda x: x in ['run.print_function',
  67                                           'run.cython3',
  68                                           'run.pure_py', # decorators, with statement
  69                                           ]),
  70     # The next line should start (3,); but this is a dictionary, so
  71     # we can only have one (3,) key.  Since 2.7 is supposed to be the
  72     # last 2.x release, things would have to change drastically for this
  73     # to be unsafe...
  74     (2,999): (operator.lt, lambda x: x in ['run.special_methods_T561_py3']),
  75     (3,): (operator.ge, lambda x: x in ['run.non_future_division',
  76                                         'compile.extsetslice',
  77                                         'compile.extdelslice',
  78                                         'run.special_methods_T561_py2']),
  79 }
  80
  81 INCLUDE_DIRS = [ d for d in os.getenv('INCLUDE', '').split(os.pathsep) if d ]
  82 CFLAGS = os.getenv('CFLAGS', '').split()
  83
  84 class build_ext(_build_ext):
  85     def build_extension(self, ext):
  86         if ext.language == 'c++':
  87             try:
  88                 try: # Py2.7+ & Py3.2+
  89                     compiler_obj = self.compiler_obj
  90                 except AttributeError:
  91                     compiler_obj = self.compiler
  92                 compiler_obj.compiler_so.remove('-Wstrict-prototypes')
  93             except Exception:
  94                 pass
  95         _build_ext.build_extension(self, ext)
  96
  97 class ErrorWriter(object):
  98     match_error = re.compile('(warning:)?(?:.*:)?\s*([-0-9]+)\s*:\s*([-0-9]+)\s*:\s*(.*)').match
  99     def __init__(self):
 100         self.output = []
 101         self.write = self.output.append
 102
 103     def _collect(self, collect_errors, collect_warnings):
 104         s = ''.join(self.output)
 105         result = []
 106         for line in s.split('\n'):
 107             match = self.match_error(line)
 108             if match:
 109                 is_warning, line, column, message = match.groups()
 110                 if (is_warning and collect_warnings) or \
 111                         (not is_warning and collect_errors):
 112                     result.append( (int(line), int(column), message.strip()) )
 113         result.sort()
 114         return [ "%d:%d: %s" % values for values in result ]
 115
 116     def geterrors(self):
 117         return self._collect(True, False)
 118
 119     def getwarnings(self):
 120         return self._collect(False, True)
 121
 122     def getall(self):
 123         return self._collect(True, True)
 124
 125 class TestBuilder(object):
 126     def __init__(self, rootdir, workdir, selectors, exclude_selectors, annotate,
 127                  cleanup_workdir, cleanup_sharedlibs, with_pyregr, cython_only,
 128                  languages, test_bugs, fork, language_level):
 129         self.rootdir = rootdir
 130         self.workdir = workdir
 131         self.selectors = selectors
 132         self.exclude_selectors = exclude_selectors
 133         self.annotate = annotate
 134         self.cleanup_workdir = cleanup_workdir
 135         self.cleanup_sharedlibs = cleanup_sharedlibs
 136         self.with_pyregr = with_pyregr
 137         self.cython_only = cython_only
 138         self.languages = languages
 139         self.test_bugs = test_bugs
 140         self.fork = fork
 141         self.language_level = language_level
 142
 143     def build_suite(self):
 144         suite = unittest.TestSuite()
 145         test_dirs = TEST_DIRS
 146         filenames = os.listdir(self.rootdir)
 147         filenames.sort()
 148         for filename in filenames:
 149             if not WITH_CYTHON and filename == "errors":
 150                 # we won't get any errors without running Cython
 151                 continue
 152             path = os.path.join(self.rootdir, filename)
 153             if os.path.isdir(path) and filename in test_dirs:
 154                 if filename == 'pyregr' and not self.with_pyregr:
 155                     continue
 156                 suite.addTest(
 157                     self.handle_directory(path, filename))
 158         if sys.platform not in ['win32'] and sys.version_info[0] < 3:
 159             # Non-Windows makefile, can't run Cython under Py3.
 160             if [1 for selector in self.selectors if selector("embedded")]:
 161                 suite.addTest(unittest.makeSuite(EmbedTest))
 162         return suite
 163
 164     def handle_directory(self, path, context):
 165         workdir = os.path.join(self.workdir, context)
 166         if not os.path.exists(workdir):
 167             os.makedirs(workdir)
 168
 169         expect_errors = (context == 'errors')
 170         suite = unittest.TestSuite()
 171         filenames = os.listdir(path)
 172         filenames.sort()
 173         for filename in filenames:
 174             if context == "build" and filename.endswith(".srctree"):
 175                 if not [ 1 for match in self.selectors if match(filename) ]:
 176                     continue
 177                 suite.addTest(EndToEndTest(filename, workdir, self.cleanup_workdir))
 178                 continue
 179             if not (filename.endswith(".pyx") or filename.endswith(".py")):
 180                 continue
 181             if filename.startswith('.'): continue # certain emacs backup files
 182             if context == 'pyregr' and not filename.startswith('test_'):
 183                 continue
 184             module = os.path.splitext(filename)[0]
 185             fqmodule = "%s.%s" % (context, module)
 186             if not [ 1 for match in self.selectors
 187                      if match(fqmodule) ]:
 188                 continue
 189             if self.exclude_selectors:
 190                 if [1 for match in self.exclude_selectors if match(fqmodule)]:
 191                     continue
 192             if context == 'pyregr':
 193                 test_class = CythonPyregrTestCase
 194             elif context in TEST_RUN_DIRS:
 195                 if module.startswith("test_"):
 196                     test_class = CythonUnitTestCase
 197                 else:
 198                     test_class = CythonRunTestCase
 199             else:
 200                 test_class = CythonCompileTestCase
 201             for test in self.build_tests(test_class, path, workdir,
 202                                          module, expect_errors):
 203                 suite.addTest(test)
 204             if context == 'run' and filename.endswith('.py'):
 205                 # additionally test file in real Python
 206                 suite.addTest(PureDoctestTestCase(module, os.path.join(path, filename)))
 207         return suite
 208
 209     def build_tests(self, test_class, path, workdir, module, expect_errors):
 210         if expect_errors:
 211             if 'cpp' in module and 'cpp' in self.languages:
 212                 languages = ['cpp']
 213             else:
 214                 languages = self.languages[:1]
 215         else:
 216             languages = self.languages
 217         if 'cpp' in module and 'c' in languages:
 218             languages = list(languages)
 219             languages.remove('c')
 220         tests = [ self.build_test(test_class, path, workdir, module,
 221                                   language, expect_errors)
 222                   for language in languages ]
 223         return tests
 224
 225     def build_test(self, test_class, path, workdir, module,
 226                    language, expect_errors):
 227         workdir = os.path.join(workdir, language)
 228         if not os.path.exists(workdir):
 229             os.makedirs(workdir)
 230         return test_class(path, workdir, module,
 231                           language=language,
 232                           expect_errors=expect_errors,
 233                           annotate=self.annotate,
 234                           cleanup_workdir=self.cleanup_workdir,
 235                           cleanup_sharedlibs=self.cleanup_sharedlibs,
 236                           cython_only=self.cython_only,
 237                           fork=self.fork,
 238                           language_level=self.language_level)
 239
 240 class CythonCompileTestCase(unittest.TestCase):
 241     def __init__(self, test_directory, workdir, module, language='c',
 242                  expect_errors=False, annotate=False, cleanup_workdir=True,
 243                  cleanup_sharedlibs=True, cython_only=False, fork=True,
 244                  language_level=2):
 245         self.test_directory = test_directory
 246         self.workdir = workdir
 247         self.module = module
 248         self.language = language
 249         self.expect_errors = expect_errors
 250         self.annotate = annotate
 251         self.cleanup_workdir = cleanup_workdir
 252         self.cleanup_sharedlibs = cleanup_sharedlibs
 253         self.cython_only = cython_only
 254         self.fork = fork
 255         self.language_level = language_level
 256         unittest.TestCase.__init__(self)
 257
 258     def shortDescription(self):
 259         return "compiling (%s) %s" % (self.language, self.module)
 260
 261     def setUp(self):
 262         if self.workdir not in sys.path:
 263             sys.path.insert(0, self.workdir)
 264
 265     def tearDown(self):
 266         try:
 267             sys.path.remove(self.workdir)
 268         except ValueError:
 269             pass
 270         try:
 271             del sys.modules[self.module]
 272         except KeyError:
 273             pass
 274         cleanup_c_files = WITH_CYTHON and self.cleanup_workdir
 275         cleanup_lib_files = self.cleanup_sharedlibs
 276         if os.path.exists(self.workdir):
 277             for rmfile in os.listdir(self.workdir):
 278                 if not cleanup_c_files:
 279                     if rmfile[-2:] in (".c", ".h") or rmfile[-4:] == ".cpp":
 280                         continue
 281                 if not cleanup_lib_files and rmfile.endswith(".so") or rmfile.endswith(".dll"):
 282                     continue
 283                 if self.annotate and rmfile.endswith(".html"):
 284                     continue
 285                 try:
 286                     rmfile = os.path.join(self.workdir, rmfile)
 287                     if os.path.isdir(rmfile):
 288                         shutil.rmtree(rmfile, ignore_errors=True)
 289                     else:
 290                         os.remove(rmfile)
 291                 except IOError:
 292                     pass
 293         else:
 294             os.makedirs(self.workdir)
 295
 296     def runTest(self):
 297         self.runCompileTest()
 298
 299     def runCompileTest(self):
 300         self.compile(self.test_directory, self.module, self.workdir,
 301                      self.test_directory, self.expect_errors, self.annotate)
 302
 303     def find_module_source_file(self, source_file):
 304         if not os.path.exists(source_file):
 305             source_file = source_file[:-1]
 306         return source_file
 307
 308     def build_target_filename(self, module_name):
 309         target = '%s.%s' % (module_name, self.language)
 310         return target
 311
 312     def copy_related_files(self, test_directory, target_directory, module_name):
 313         is_related = re.compile('%s_.*[.].*' % module_name).match
 314         for filename in os.listdir(test_directory):
 315             if is_related(filename):
 316                 shutil.copy(os.path.join(test_directory, filename),
 317                             target_directory)
 318
 319     def find_source_files(self, workdir, module_name):
 320         is_related = re.compile('%s_.*[.]%s' % (module_name, self.language)).match
 321         return [self.build_target_filename(module_name)] + [
 322             filename for filename in os.listdir(workdir)
 323             if is_related(filename) and os.path.isfile(os.path.join(workdir, filename)) ]
 324
 325     def split_source_and_output(self, test_directory, module, workdir):
 326         source_file = self.find_module_source_file(os.path.join(test_directory, module) + '.pyx')
 327         source_and_output = codecs.open(source_file, 'rU', 'ISO-8859-1')
 328         try:
 329             out = codecs.open(os.path.join(workdir, module + os.path.splitext(source_file)[1]),
 330                               'w', 'ISO-8859-1')
 331             for line in source_and_output:
 332                 last_line = line
 333                 if line.startswith("_ERRORS"):
 334                     out.close()
 335                     out = ErrorWriter()
 336                 else:
 337                     out.write(line)
 338         finally:
 339             source_and_output.close()
 340         try:
 341             geterrors = out.geterrors
 342         except AttributeError:
 343             out.close()
 344             return []
 345         else:
 346             return geterrors()
 347
 348     def run_cython(self, test_directory, module, targetdir, incdir, annotate,
 349                    extra_compile_options=None):
 350         include_dirs = INCLUDE_DIRS[:]
 351         if incdir:
 352             include_dirs.append(incdir)
 353         source = self.find_module_source_file(
 354             os.path.join(test_directory, module + '.pyx'))
 355         target = os.path.join(targetdir, self.build_target_filename(module))
 356
 357         if extra_compile_options is None:
 358             extra_compile_options = {}
 359
 360         try:
 361             CompilationOptions
 362         except NameError:
 363             from Cython.Compiler.Main import CompilationOptions
 364             from Cython.Compiler.Main import compile as cython_compile
 365             from Cython.Compiler.Main import default_options
 366
 367         options = CompilationOptions(
 368             default_options,
 369             include_path = include_dirs,
 370             output_file = target,
 371             annotate = annotate,
 372             use_listing_file = False,
 373             cplus = self.language == 'cpp',
 374             language_level = self.language_level,
 375             generate_pxi = False,
 376             evaluate_tree_assertions = True,
 377             **extra_compile_options
 378             )
 379         cython_compile(source, options=options,
 380                        full_module_name=module)
 381
 382     def run_distutils(self, test_directory, module, workdir, incdir,
 383                       extra_extension_args=None):
 384         cwd = os.getcwd()
 385         os.chdir(workdir)
 386         try:
 387             build_extension = build_ext(distutils_distro)
 388             build_extension.include_dirs = INCLUDE_DIRS[:]
 389             if incdir:
 390                 build_extension.include_dirs.append(incdir)
 391             build_extension.finalize_options()
 392             ext_include_dirs = []
 393             for match, get_additional_include_dirs in EXT_DEP_INCLUDES:
 394                 if match(module):
 395                     ext_include_dirs += get_additional_include_dirs()
 396             self.copy_related_files(test_directory, workdir, module)
 397
 398             if extra_extension_args is None:
 399                 extra_extension_args = {}
 400
 401             extension = Extension(
 402                 module,
 403                 sources = self.find_source_files(workdir, module),
 404                 include_dirs = ext_include_dirs,
 405                 extra_compile_args = CFLAGS,
 406                 **extra_extension_args
 407                 )
 408             if self.language == 'cpp':
 409                 extension.language = 'c++'
 410             build_extension.extensions = [extension]
 411             build_extension.build_temp = workdir
 412             build_extension.build_lib  = workdir
 413             build_extension.run()
 414         finally:
 415             os.chdir(cwd)
 416
 417     def compile(self, test_directory, module, workdir, incdir,
 418                 expect_errors, annotate):
 419         expected_errors = errors = ()
 420         if expect_errors:
 421             expected_errors = self.split_source_and_output(
 422                 test_directory, module, workdir)
 423             test_directory = workdir
 424
 425         if WITH_CYTHON:
 426             old_stderr = sys.stderr
 427             try:
 428                 sys.stderr = ErrorWriter()
 429                 self.run_cython(test_directory, module, workdir, incdir, annotate)
 430                 errors = sys.stderr.geterrors()
 431             finally:
 432                 sys.stderr = old_stderr
 433
 434         if errors or expected_errors:
 435             try:
 436                 for expected, error in zip(expected_errors, errors):
 437                     self.assertEquals(expected, error)
 438                 if len(errors) < len(expected_errors):
 439                     expected_error = expected_errors[len(errors)]
 440                     self.assertEquals(expected_error, None)
 441                 elif len(errors) > len(expected_errors):
 442                     unexpected_error = errors[len(expected_errors)]
 443                     self.assertEquals(None, unexpected_error)
 444             except AssertionError:
 445                 print("\n=== Expected errors: ===")
 446                 print('\n'.join(expected_errors))
 447                 print("\n\n=== Got errors: ===")
 448                 print('\n'.join(errors))
 449                 print('\n')
 450                 raise
 451         else:
 452             if not self.cython_only:
 453                 self.run_distutils(test_directory, module, workdir, incdir)
 454
 455 class CythonRunTestCase(CythonCompileTestCase):
 456     def shortDescription(self):
 457         return "compiling (%s) and running %s" % (self.language, self.module)
 458
 459     def run(self, result=None):
 460         if result is None:
 461             result = self.defaultTestResult()
 462         result.startTest(self)
 463         try:
 464             self.setUp()
 465             try:
 466                 self.runCompileTest()
 467                 self.run_tests(result)
 468             finally:
 469                 check_thread_termination()
 470         except Exception:
 471             result.addError(self, sys.exc_info())
 472             result.stopTest(self)
 473         try:
 474             self.tearDown()
 475         except Exception:
 476             pass
 477
 478     def run_tests(self, result):
 479         if not self.cython_only:
 480             self.run_doctests(self.module, result)
 481
 482     def run_doctests(self, module_name, result):
 483         if sys.version_info[0] >= 3 or not hasattr(os, 'fork') or not self.fork:
 484             doctest.DocTestSuite(module_name).run(result)
 485             gc.collect()
 486             return
 487
 488         # fork to make sure we do not keep the tested module loaded
 489         result_handle, result_file = tempfile.mkstemp()
 490         os.close(result_handle)
 491         child_id = os.fork()
 492         if not child_id:
 493             result_code = 0
 494             try:
 495                 try:
 496                     tests = None
 497                     try:
 498                         partial_result = PartialTestResult(result)
 499                         tests = doctest.DocTestSuite(module_name)
 500                         tests.run(partial_result)
 501                         gc.collect()
 502                     except Exception:
 503                         if tests is None:
 504                             # importing failed, try to fake a test class
 505                             tests = _FakeClass(
 506                                 failureException=sys.exc_info()[1],
 507                                 _shortDescription=self.shortDescription(),
 508                                 module_name=None)
 509                         partial_result.addError(tests, sys.exc_info())
 510                         result_code = 1
 511                     output = open(result_file, 'wb')
 512                     pickle.dump(partial_result.data(), output)
 513                 except:
 514                     traceback.print_exc()
 515             finally:
 516                 try: output.close()
 517                 except: pass
 518                 os._exit(result_code)
 519
 520         try:
 521             cid, result_code = os.waitpid(child_id, 0)
 522             # os.waitpid returns the child's result code in the
 523             # upper byte of result_code, and the signal it was
 524             # killed by in the lower byte
 525             if result_code & 255:
 526                 raise Exception("Tests in module '%s' were unexpectedly killed by signal %d"%
 527                                 (module_name, result_code & 255))
 528             result_code = result_code >> 8
 529             if result_code in (0,1):
 530                 input = open(result_file, 'rb')
 531                 try:
 532                     PartialTestResult.join_results(result, pickle.load(input))
 533                 finally:
 534                     input.close()
 535             if result_code:
 536                 raise Exception("Tests in module '%s' exited with status %d" %
 537                                 (module_name, result_code))
 538         finally:
 539             try: os.unlink(result_file)
 540             except: pass
 541
 542 class PureDoctestTestCase(unittest.TestCase):
 543     def __init__(self, module_name, module_path):
 544         self.module_name = module_name
 545         self.module_path = module_path
 546         unittest.TestCase.__init__(self, 'run')
 547
 548     def shortDescription(self):
 549         return "running pure doctests in %s" % self.module_name
 550
 551     def run(self, result=None):
 552         if result is None:
 553             result = self.defaultTestResult()
 554         loaded_module_name = 'pure_doctest__' + self.module_name
 555         result.startTest(self)
 556         try:
 557             self.setUp()
 558
 559             import imp
 560             m = imp.load_source(loaded_module_name, self.module_path)
 561             try:
 562                 doctest.DocTestSuite(m).run(result)
 563             finally:
 564                 del m
 565                 if loaded_module_name in sys.modules:
 566                     del sys.modules[loaded_module_name]
 567                 check_thread_termination()
 568         except Exception:
 569             result.addError(self, sys.exc_info())
 570             result.stopTest(self)
 571         try:
 572             self.tearDown()
 573         except Exception:
 574             pass
 575
 576 is_private_field = re.compile('^_[^_]').match
 577
 578 class _FakeClass(object):
 579     def __init__(self, **kwargs):
 580         self._shortDescription = kwargs.get('module_name')
 581         self.__dict__.update(kwargs)
 582     def shortDescription(self):
 583         return self._shortDescription
 584
 585 try: # Py2.7+ and Py3.2+
 586     from unittest.runner import _TextTestResult
 587 except ImportError:
 588     from unittest import _TextTestResult
 589
 590 class PartialTestResult(_TextTestResult):
 591     def __init__(self, base_result):
 592         _TextTestResult.__init__(
 593             self, self._StringIO(), True,
 594             base_result.dots + base_result.showAll*2)
 595
 596     def strip_error_results(self, results):
 597         for test_case, error in results:
 598             for attr_name in filter(is_private_field, dir(test_case)):
 599                 if attr_name == '_dt_test':
 600                     test_case._dt_test = _FakeClass(
 601                         name=test_case._dt_test.name)
 602                 elif attr_name != '_shortDescription':
 603                     setattr(test_case, attr_name, None)
 604
 605     def data(self):
 606         self.strip_error_results(self.failures)
 607         self.strip_error_results(self.errors)
 608         return (self.failures, self.errors, self.testsRun,
 609                 self.stream.getvalue())
 610
 611     def join_results(result, data):
 612         """Static method for merging the result back into the main
 613         result object.
 614         """
 615         failures, errors, tests_run, output = data
 616         if output:
 617             result.stream.write(output)
 618         result.errors.extend(errors)
 619         result.failures.extend(failures)
 620         result.testsRun += tests_run
 621
 622     join_results = staticmethod(join_results)
 623
 624     class _StringIO(StringIO):
 625         def writeln(self, line):
 626             self.write("%s\n" % line)
 627
 628
 629 class CythonUnitTestCase(CythonRunTestCase):
 630     def shortDescription(self):
 631         return "compiling (%s) tests in %s" % (self.language, self.module)
 632
 633     def run_tests(self, result):
 634         unittest.defaultTestLoader.loadTestsFromName(self.module).run(result)
 635
 636
 637 class CythonPyregrTestCase(CythonRunTestCase):
 638     def _run_unittest(self, result, *classes):
 639         """Run tests from unittest.TestCase-derived classes."""
 640         valid_types = (unittest.TestSuite, unittest.TestCase)
 641         suite = unittest.TestSuite()
 642         for cls in classes:
 643             if isinstance(cls, str):
 644                 if cls in sys.modules:
 645                     suite.addTest(unittest.findTestCases(sys.modules[cls]))
 646                 else:
 647                     raise ValueError("str arguments must be keys in sys.modules")
 648             elif isinstance(cls, valid_types):
 649                 suite.addTest(cls)
 650             else:
 651                 suite.addTest(unittest.makeSuite(cls))
 652         suite.run(result)
 653
 654     def _run_doctest(self, result, module):
 655         self.run_doctests(module, result)
 656
 657     def run_tests(self, result):
 658         try:
 659             from test import test_support as support
 660         except ImportError: # Py3k
 661             from test import support
 662
 663         def run_unittest(*classes):
 664             return self._run_unittest(result, *classes)
 665         def run_doctest(module, verbosity=None):
 666             return self._run_doctest(result, module)
 667
 668         support.run_unittest = run_unittest
 669         support.run_doctest = run_doctest
 670
 671         try:
 672             module = __import__(self.module)
 673             if hasattr(module, 'test_main'):
 674                 module.test_main()
 675         except (unittest.SkipTest, support.ResourceDenied):
 676             result.addSkip(self, 'ok')
 677
 678 include_debugger = sys.version_info[:2] > (2, 5)
 679
 680 def collect_unittests(path, module_prefix, suite, selectors):
 681     def file_matches(filename):
 682         return filename.startswith("Test") and filename.endswith(".py")
 683
 684     def package_matches(dirname):
 685         return dirname == "Tests"
 686
 687     loader = unittest.TestLoader()
 688
 689     if include_debugger:
 690         skipped_dirs = []
 691     else:
 692         cython_dir = os.path.dirname(os.path.abspath(__file__))
 693         skipped_dirs = [os.path.join(cython_dir, 'Cython', 'Debugger')]
 694
 695     for dirpath, dirnames, filenames in os.walk(path):
 696         if dirpath != path and "__init__.py" not in filenames:
 697             skipped_dirs.append(dirpath + os.path.sep)
 698             continue
 699         skip = False
 700         for dir in skipped_dirs:
 701             if dirpath.startswith(dir):
 702                 skip = True
 703         if skip:
 704             continue
 705         parentname = os.path.split(dirpath)[-1]
 706         if package_matches(parentname):
 707             for f in filenames:
 708                 if file_matches(f):
 709                     filepath = os.path.join(dirpath, f)[:-len(".py")]
 710                     modulename = module_prefix + filepath[len(path)+1:].replace(os.path.sep, '.')
 711                     if not [ 1 for match in selectors if match(modulename) ]:
 712                         continue
 713                     module = __import__(modulename)
 714                     for x in modulename.split('.')[1:]:
 715                         module = getattr(module, x)
 716                     suite.addTests([loader.loadTestsFromModule(module)])
 717
 718
 719
 720 def collect_doctests(path, module_prefix, suite, selectors):
 721     def package_matches(dirname):
 722         if dirname == 'Debugger' and not include_debugger:
 723             return False
 724         return dirname not in ("Mac", "Distutils", "Plex")
 725     def file_matches(filename):
 726         filename, ext = os.path.splitext(filename)
 727         blacklist = ['libcython', 'libpython', 'test_libcython_in_gdb',
 728                      'TestLibCython']
 729         return (ext == '.py' and not
 730                 '~' in filename and not
 731                 '#' in filename and not
 732                 filename.startswith('.') and not
 733                 filename in blacklist)
 734     import doctest, types
 735     for dirpath, dirnames, filenames in os.walk(path):
 736         for dir in list(dirnames):
 737             if not package_matches(dir):
 738                 dirnames.remove(dir)
 739         for f in filenames:
 740             if file_matches(f):
 741                 if not f.endswith('.py'): continue
 742                 filepath = os.path.join(dirpath, f)
 743                 if os.path.getsize(filepath) == 0: continue
 744                 filepath = filepath[:-len(".py")]
 745                 modulename = module_prefix + filepath[len(path)+1:].replace(os.path.sep, '.')
 746                 if not [ 1 for match in selectors if match(modulename) ]:
 747                     continue
 748                 if 'in_gdb' in modulename:
 749                     # These should only be imported from gdb.
 750                     continue
 751                 module = __import__(modulename)
 752                 for x in modulename.split('.')[1:]:
 753                     module = getattr(module, x)
 754                 if hasattr(module, "__doc__") or hasattr(module, "__test__"):
 755                     try:
 756                         suite.addTest(doctest.DocTestSuite(module))
 757                     except ValueError: # no tests
 758                         pass
 759
 760
 761 class EndToEndTest(unittest.TestCase):
 762     """
 763     This is a test of build/*.srctree files, where srctree defines a full
 764     directory structure and its header gives a list of commands to run.
 765     """
 766     cython_root = os.path.dirname(os.path.abspath(__file__))
 767
 768     def __init__(self, treefile, workdir, cleanup_workdir=True):
 769         self.treefile = treefile
 770         self.workdir = os.path.join(workdir, os.path.splitext(treefile)[0])
 771         self.cleanup_workdir = cleanup_workdir
 772         cython_syspath = self.cython_root
 773         for path in sys.path[::-1]:
 774             if path.startswith(self.cython_root):
 775                 # Py3 installation and refnanny build prepend their
 776                 # fixed paths to sys.path => prefer that over the
 777                 # generic one
 778                 cython_syspath = path + os.pathsep + cython_syspath
 779         self.cython_syspath = cython_syspath
 780         unittest.TestCase.__init__(self)
 781
 782     def shortDescription(self):
 783         return "End-to-end %s" % self.treefile
 784
 785     def setUp(self):
 786         from Cython.TestUtils import unpack_source_tree
 787         _, self.commands = unpack_source_tree(
 788             os.path.join('tests', 'build', self.treefile), self.workdir)
 789         self.old_dir = os.getcwd()
 790         os.chdir(self.workdir)
 791         if self.workdir not in sys.path:
 792             sys.path.insert(0, self.workdir)
 793
 794     def tearDown(self):
 795         if self.cleanup_workdir:
 796             shutil.rmtree(self.workdir)
 797         os.chdir(self.old_dir)
 798
 799     def runTest(self):
 800         commands = (self.commands
 801             .replace("CYTHON", "PYTHON %s" % os.path.join(self.cython_root, 'cython.py'))
 802             .replace("PYTHON", sys.executable))
 803         try:
 804             old_path = os.environ.get('PYTHONPATH')
 805             os.environ['PYTHONPATH'] = self.cython_syspath + os.pathsep + os.path.join(self.cython_syspath, (old_path or ''))
 806             for command in commands.split('\n'):
 807                 if sys.version_info[:2] >= (2,4):
 808                     import subprocess
 809                     p = subprocess.Popen(commands,
 810                                          stderr=subprocess.PIPE,
 811                                          stdout=subprocess.PIPE,
 812                                          shell=True)
 813                     out, err = p.communicate()
 814                     res = p.returncode
 815                     if res != 0:
 816                         print(command)
 817                         print(out)
 818                         print(err)
 819                 else:
 820                     res = os.system(command)
 821                 self.assertEqual(0, res, "non-zero exit status")
 822         finally:
 823             if old_path:
 824                 os.environ['PYTHONPATH'] = old_path
 825             else:
 826                 del os.environ['PYTHONPATH']
 827
 828
 829 # TODO: Support cython_freeze needed here as well.
 830 # TODO: Windows support.
 831
 832 class EmbedTest(unittest.TestCase):
 833
 834     working_dir = "Demos/embed"
 835
 836     def setUp(self):
 837         self.old_dir = os.getcwd()
 838         os.chdir(self.working_dir)
 839         os.system(
 840             "make PYTHON='%s' clean > /dev/null" % sys.executable)
 841
 842     def tearDown(self):
 843         try:
 844             os.system(
 845                 "make PYTHON='%s' clean > /dev/null" % sys.executable)
 846         except:
 847             pass
 848         os.chdir(self.old_dir)
 849
 850     def test_embed(self):
 851         from distutils import sysconfig
 852         libname = sysconfig.get_config_var('LIBRARY')
 853         libdir = sysconfig.get_config_var('LIBDIR')
 854         if not os.path.isdir(libdir) or libname not in os.listdir(libdir):
 855             libdir = os.path.join(os.path.dirname(sys.executable), '..', 'lib')
 856             if not os.path.isdir(libdir) or libname not in os.listdir(libdir):
 857                 libdir = os.path.join(libdir, 'python%d.%d' % sys.version_info[:2], 'config')
 858                 if not os.path.isdir(libdir) or libname not in os.listdir(libdir):
 859                     # report the error for the original directory
 860                     libdir = sysconfig.get_config_var('LIBDIR')
 861         self.assert_(os.system(
 862             "make PYTHON='%s' LIBDIR1='%s' test > make.output" % (sys.executable, libdir)) == 0)
 863         try:
 864             os.remove('make.output')
 865         except OSError:
 866             pass
 867
 868 class MissingDependencyExcluder:
 869     def __init__(self, deps):
 870         # deps: { module name : matcher func }
 871         self.exclude_matchers = []
 872         for mod, matcher in deps.items():
 873             try:
 874                 __import__(mod)
 875             except ImportError:
 876                 self.exclude_matchers.append(matcher)
 877         self.tests_missing_deps = []
 878     def __call__(self, testname):
 879         for matcher in self.exclude_matchers:
 880             if matcher(testname):
 881                 self.tests_missing_deps.append(testname)
 882                 return True
 883         return False
 884
 885 class VersionDependencyExcluder:
 886     def __init__(self, deps):
 887         # deps: { version : matcher func }
 888         from sys import version_info
 889         self.exclude_matchers = []
 890         for ver, (compare, matcher) in deps.items():
 891             if compare(version_info, ver):
 892                 self.exclude_matchers.append(matcher)
 893         self.tests_missing_deps = []
 894     def __call__(self, testname):
 895         for matcher in self.exclude_matchers:
 896             if matcher(testname):
 897                 self.tests_missing_deps.append(testname)
 898                 return True
 899         return False
 900
 901 class FileListExcluder:
 902
 903     def __init__(self, list_file):
 904         self.excludes = {}
 905         f = open(list_file)
 906         try:
 907             for line in f.readlines():
 908                 line = line.strip()
 909                 if line and line[0] != '#':
 910                     self.excludes[line.split()[0]] = True
 911         finally:
 912             f.close()
 913
 914     def __call__(self, testname):
 915         return testname in self.excludes or testname.split('.')[-1] in self.excludes
 916
 917 def refactor_for_py3(distdir, cy3_dir):
 918     # need to convert Cython sources first
 919     import lib2to3.refactor
 920     from distutils.util import copydir_run_2to3
 921     fixers = [ fix for fix in lib2to3.refactor.get_fixers_from_package("lib2to3.fixes")
 922                if fix.split('fix_')[-1] not in ('next',)
 923                ]
 924     if not os.path.exists(cy3_dir):
 925         os.makedirs(cy3_dir)
 926     import distutils.log as dlog
 927     dlog.set_threshold(dlog.INFO)
 928     copydir_run_2to3(distdir, cy3_dir, fixer_names=fixers,
 929                      template = '''
 930                      global-exclude *
 931                      graft Cython
 932                      recursive-exclude Cython *
 933                      recursive-include Cython *.py *.pyx *.pxd
 934                      ''')
 935     sys.path.insert(0, cy3_dir)
 936
 937 class PendingThreadsError(RuntimeError):
 938     pass
 939
 940 threads_seen = []
 941
 942 def check_thread_termination(ignore_seen=True):
 943     if threading is None: # no threading enabled in CPython
 944         return
 945     current = threading.currentThread()
 946     blocking_threads = []
 947     for t in threading.enumerate():
 948         if not t.isAlive() or t == current:
 949             continue
 950         t.join(timeout=2)
 951         if t.isAlive():
 952             if not ignore_seen:
 953                 blocking_threads.append(t)
 954                 continue
 955             for seen in threads_seen:
 956                 if t is seen:
 957                     break
 958             else:
 959                 threads_seen.append(t)
 960                 blocking_threads.append(t)
 961     if not blocking_threads:
 962         return
 963     sys.stderr.write("warning: left-over threads found after running test:\n")
 964     for t in blocking_threads:
 965         sys.stderr.write('...%s\n'  % repr(t))
 966     raise PendingThreadsError("left-over threads found after running test")
 967
 968 def main():
 969     from optparse import OptionParser
 970     parser = OptionParser()
 971     parser.add_option("--no-cleanup", dest="cleanup_workdir",
 972                       action="store_false", default=True,
 973                       help="do not delete the generated C files (allows passing --no-cython on next run)")
 974     parser.add_option("--no-cleanup-sharedlibs", dest="cleanup_sharedlibs",
 975                       action="store_false", default=True,
 976                       help="do not delete the generated shared libary files (allows manual module experimentation)")
 977     parser.add_option("--no-cython", dest="with_cython",
 978                       action="store_false", default=True,
 979                       help="do not run the Cython compiler, only the C compiler")
 980     parser.add_option("--no-c", dest="use_c",
 981                       action="store_false", default=True,
 982                       help="do not test C compilation")
 983     parser.add_option("--no-cpp", dest="use_cpp",
 984                       action="store_false", default=True,
 985                       help="do not test C++ compilation")
 986     parser.add_option("--no-unit", dest="unittests",
 987                       action="store_false", default=True,
 988                       help="do not run the unit tests")
 989     parser.add_option("--no-doctest", dest="doctests",
 990                       action="store_false", default=True,
 991                       help="do not run the doctests")
 992     parser.add_option("--no-file", dest="filetests",
 993                       action="store_false", default=True,
 994                       help="do not run the file based tests")
 995     parser.add_option("--no-pyregr", dest="pyregr",
 996                       action="store_false", default=True,
 997                       help="do not run the regression tests of CPython in tests/pyregr/")
 998     parser.add_option("--cython-only", dest="cython_only",
 999                       action="store_true", default=False,
1000                       help="only compile pyx to c, do not run C compiler or run the tests")
1001     parser.add_option("--no-refnanny", dest="with_refnanny",
1002                       action="store_false", default=True,
1003                       help="do not regression test reference counting")
1004     parser.add_option("--no-fork", dest="fork",
1005                       action="store_false", default=True,
1006                       help="do not fork to run tests")
1007     parser.add_option("--sys-pyregr", dest="system_pyregr",
1008                       action="store_true", default=False,
1009                       help="run the regression tests of the CPython installation")
1010     parser.add_option("-x", "--exclude", dest="exclude",
1011                       action="append", metavar="PATTERN",
1012                       help="exclude tests matching the PATTERN")
1013     parser.add_option("-C", "--coverage", dest="coverage",
1014                       action="store_true", default=False,
1015                       help="collect source coverage data for the Compiler")
1016     parser.add_option("--coverage-xml", dest="coverage_xml",
1017                       action="store_true", default=False,
1018                       help="collect source coverage data for the Compiler in XML format")
1019     parser.add_option("-A", "--annotate", dest="annotate_source",
1020                       action="store_true", default=True,
1021                       help="generate annotated HTML versions of the test source files")
1022     parser.add_option("--no-annotate", dest="annotate_source",
1023                       action="store_false",
1024                       help="do not generate annotated HTML versions of the test source files")
1025     parser.add_option("-v", "--verbose", dest="verbosity",
1026                       action="count", default=0,
1027                       help="display test progress, pass twice to print test names")
1028     parser.add_option("-T", "--ticket", dest="tickets",
1029                       action="append",
1030                       help="a bug ticket number to run the respective test in 'tests/*'")
1031     parser.add_option("-3", dest="language_level",
1032                       action="store_const", const=3, default=2,
1033                       help="set language level to Python 3 (useful for running the CPython regression tests)'")
1034     parser.add_option("--xml-output", dest="xml_output_dir", metavar="DIR",
1035                       help="write test results in XML to directory DIR")
1036     parser.add_option("--exit-ok", dest="exit_ok", default=False,
1037                       action="store_true",
1038                       help="exit without error code even on test failures")
1039
1040     options, cmd_args = parser.parse_args()
1041
1042     DISTDIR = os.path.join(os.getcwd(), os.path.dirname(sys.argv[0]))
1043     ROOTDIR = os.path.join(DISTDIR, 'tests')
1044     WORKDIR = os.path.join(os.getcwd(), 'BUILD')
1045
1046     if sys.version_info[0] >= 3:
1047         options.doctests = False
1048         if options.with_cython:
1049             try:
1050                 # try if Cython is installed in a Py3 version
1051                 import Cython.Compiler.Main
1052             except Exception:
1053                 # back out anything the import process loaded, then
1054                 # 2to3 the Cython sources to make them re-importable
1055                 cy_modules = [ name for name in sys.modules
1056                                if name == 'Cython' or name.startswith('Cython.') ]
1057                 for name in cy_modules:
1058                     del sys.modules[name]
1059                 # hasn't been refactored yet - do it now
1060                 cy3_dir = os.path.join(WORKDIR, 'Cy3')
1061                 if sys.version_info >= (3,1):
1062                     refactor_for_py3(DISTDIR, cy3_dir)
1063                 elif os.path.isdir(cy3_dir):
1064                     sys.path.insert(0, cy3_dir)
1065                 else:
1066                     options.with_cython = False
1067
1068     WITH_CYTHON = options.with_cython
1069
1070     if options.coverage or options.coverage_xml:
1071         if not WITH_CYTHON:
1072             options.coverage = options.coverage_xml = False
1073         else:
1074             from coverage import coverage as _coverage
1075             coverage = _coverage(branch=True)
1076             coverage.erase()
1077             coverage.start()
1078
1079     if WITH_CYTHON:
1080         global CompilationOptions, pyrex_default_options, cython_compile
1081         from Cython.Compiler.Main import \
1082             CompilationOptions, \
1083             default_options as pyrex_default_options, \
1084             compile as cython_compile
1085         from Cython.Compiler import Errors
1086         Errors.LEVEL = 0 # show all warnings
1087         from Cython.Compiler import Options
1088         Options.generate_cleanup_code = 3   # complete cleanup code
1089         from Cython.Compiler import DebugFlags
1090         DebugFlags.debug_temp_code_comments = 1
1091
1092     # RUN ALL TESTS!
1093     UNITTEST_MODULE = "Cython"
1094     UNITTEST_ROOT = os.path.join(os.getcwd(), UNITTEST_MODULE)
1095     if WITH_CYTHON:
1096         if os.path.exists(WORKDIR):
1097             for path in os.listdir(WORKDIR):
1098                 if path in ("support", "Cy3"): continue
1099                 shutil.rmtree(os.path.join(WORKDIR, path), ignore_errors=True)
1100     if not os.path.exists(WORKDIR):
1101         os.makedirs(WORKDIR)
1102
1103     sys.stderr.write("Python %s\n" % sys.version)
1104     sys.stderr.write("\n")
1105     if WITH_CYTHON:
1106         from Cython.Compiler.Version import version
1107         sys.stderr.write("Running tests against Cython %s\n" % version)
1108     else:
1109         sys.stderr.write("Running tests without Cython.\n")
1110
1111     if options.with_refnanny:
1112         from pyximport.pyxbuild import pyx_to_dll
1113         libpath = pyx_to_dll(os.path.join("Cython", "Runtime", "refnanny.pyx"),
1114                              build_in_temp=True,
1115                              pyxbuild_dir=os.path.join(WORKDIR, "support"))
1116         sys.path.insert(0, os.path.split(libpath)[0])
1117         CFLAGS.append("-DCYTHON_REFNANNY=1")
1118
1119     if options.xml_output_dir and options.fork:
1120         # doesn't currently work together
1121         sys.stderr.write("Disabling forked testing to support XML test output\n")
1122         options.fork = False
1123
1124     if WITH_CYTHON and options.language_level == 3:
1125         sys.stderr.write("Using Cython language level 3.\n")
1126
1127     sys.stderr.write("\n")
1128
1129     test_bugs = False
1130     if options.tickets:
1131         for ticket_number in options.tickets:
1132             test_bugs = True
1133             cmd_args.append('.*T%s$' % ticket_number)
1134     if not test_bugs:
1135         for selector in cmd_args:
1136             if selector.startswith('bugs'):
1137                 test_bugs = True
1138
1139     import re
1140     selectors = [ re.compile(r, re.I|re.U).search for r in cmd_args ]
1141     if not selectors:
1142         selectors = [ lambda x:True ]
1143
1144     # Chech which external modules are not present and exclude tests
1145     # which depends on them (by prefix)
1146
1147     missing_dep_excluder = MissingDependencyExcluder(EXT_DEP_MODULES)
1148     version_dep_excluder = VersionDependencyExcluder(VER_DEP_MODULES)
1149     exclude_selectors = [missing_dep_excluder, version_dep_excluder] # want to pring msg at exit
1150
1151     if options.exclude:
1152         exclude_selectors += [ re.compile(r, re.I|re.U).search for r in options.exclude ]
1153
1154     if not test_bugs:
1155         exclude_selectors += [ FileListExcluder("tests/bugs.txt") ]
1156
1157     if sys.platform in ['win32', 'cygwin'] and sys.version_info < (2,6):
1158         exclude_selectors += [ lambda x: x == "run.specialfloat" ]
1159
1160     languages = []
1161     if options.use_c:
1162         languages.append('c')
1163     if options.use_cpp:
1164         languages.append('cpp')
1165
1166     test_suite = unittest.TestSuite()
1167
1168     if options.unittests:
1169         collect_unittests(UNITTEST_ROOT, UNITTEST_MODULE + ".", test_suite, selectors)
1170
1171     if options.doctests:
1172         collect_doctests(UNITTEST_ROOT, UNITTEST_MODULE + ".", test_suite, selectors)
1173
1174     if options.filetests and languages:
1175         filetests = TestBuilder(ROOTDIR, WORKDIR, selectors, exclude_selectors,
1176                                 options.annotate_source, options.cleanup_workdir,
1177                                 options.cleanup_sharedlibs, options.pyregr,
1178                                 options.cython_only, languages, test_bugs,
1179                                 options.fork, options.language_level)
1180         test_suite.addTest(filetests.build_suite())
1181
1182     if options.system_pyregr and languages:
1183         filetests = TestBuilder(ROOTDIR, WORKDIR, selectors, exclude_selectors,
1184                                 options.annotate_source, options.cleanup_workdir,
1185                                 options.cleanup_sharedlibs, True,
1186                                 options.cython_only, languages, test_bugs,
1187                                 options.fork, options.language_level)
1188         test_suite.addTest(
1189             filetests.handle_directory(
1190                 os.path.join(sys.prefix, 'lib', 'python'+sys.version[:3], 'test'),
1191                 'pyregr'))
1192
1193     if options.xml_output_dir:
1194         from Cython.Tests.xmlrunner import XMLTestRunner
1195         test_runner = XMLTestRunner(output=options.xml_output_dir,
1196                                     verbose=options.verbosity > 0)
1197     else:
1198         test_runner = unittest.TextTestRunner(verbosity=options.verbosity)
1199
1200     result = test_runner.run(test_suite)
1201
1202     if options.coverage or options.coverage_xml:
1203         coverage.stop()
1204         ignored_modules = ('Options', 'Version', 'DebugFlags', 'CmdLine')
1205         modules = [ module for name, module in sys.modules.items()
1206                     if module is not None and
1207                     name.startswith('Cython.Compiler.') and
1208                     name[len('Cython.Compiler.'):] not in ignored_modules ]
1209         if options.coverage:
1210             coverage.report(modules, show_missing=0)
1211         if options.coverage_xml:
1212             coverage.xml_report(modules, outfile="coverage-report.xml")
1213
1214     if missing_dep_excluder.tests_missing_deps:
1215         sys.stderr.write("Following tests excluded because of missing dependencies on your system:\n")
1216         for test in missing_dep_excluder.tests_missing_deps:
1217             sys.stderr.write("   %s\n" % test)
1218
1219     if options.with_refnanny:
1220         import refnanny
1221         sys.stderr.write("\n".join([repr(x) for x in refnanny.reflog]))
1222
1223     print("ALL DONE")
1224
1225     if options.exit_ok:
1226         return_code = 0
1227     else:
1228         return_code = not result.wasSuccessful()
1229
1230     try:
1231         check_thread_termination(ignore_seen=False)
1232         sys.exit(return_code)
1233     except PendingThreadsError:
1234         # normal program exit won't kill the threads, do it the hard way here
1235         os._exit(return_code)
1236
1237 if __name__ == '__main__':
1238     try:
1239         main()
1240     except SystemExit: # <= Py2.4 ...
1241         raise
1242     except Exception:
1243         traceback.print_exc()
1244         try:
1245             check_thread_termination(ignore_seen=False)
1246         except PendingThreadsError:
1247             # normal program exit won't kill the threads, do it the hard way here
1248             os._exit(1)