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Editing: test.py
import os import operator import sys import contextlib import itertools import unittest from distutils.errors import DistutilsError, DistutilsOptionError from distutils import log from unittest import TestLoader from setuptools.extern import six from setuptools.extern.six.moves import map, filter from pkg_resources import (resource_listdir, resource_exists, normalize_path, working_set, _namespace_packages, evaluate_marker, add_activation_listener, require, EntryPoint) from setuptools import Command class ScanningLoader(TestLoader): def __init__(self): TestLoader.__init__(self) self._visited = set() def loadTestsFromModule(self, module, pattern=None): """Return a suite of all tests cases contained in the given module If the module is a package, load tests from all the modules in it. If the module has an ``additional_tests`` function, call it and add the return value to the tests. """ if module in self._visited: return None self._visited.add(module) tests = [] tests.append(TestLoader.loadTestsFromModule(self, module)) if hasattr(module, "additional_tests"): tests.append(module.additional_tests()) if hasattr(module, '__path__'): for file in resource_listdir(module.__name__, ''): if file.endswith('.py') and file != '__init__.py': submodule = module.__name__ + '.' + file[:-3] else: if resource_exists(module.__name__, file + '/__init__.py'): submodule = module.__name__ + '.' + file else: continue tests.append(self.loadTestsFromName(submodule)) if len(tests) != 1: return self.suiteClass(tests) else: return tests[0] # don't create a nested suite for only one return # adapted from jaraco.classes.properties:NonDataProperty class NonDataProperty(object): def __init__(self, fget): self.fget = fget def __get__(self, obj, objtype=None): if obj is None: return self return self.fget(obj) class test(Command): """Command to run unit tests after in-place build""" description = "run unit tests after in-place build" user_options = [ ('test-module=', 'm', "Run 'test_suite' in specified module"), ('test-suite=', 's', "Run single test, case or suite (e.g. 'module.test_suite')"), ('test-runner=', 'r', "Test runner to use"), ] def initialize_options(self): self.test_suite = None self.test_module = None self.test_loader = None self.test_runner = None def finalize_options(self): if self.test_suite and self.test_module: msg = "You may specify a module or a suite, but not both" raise DistutilsOptionError(msg) if self.test_suite is None: if self.test_module is None: self.test_suite = self.distribution.test_suite else: self.test_suite = self.test_module + ".test_suite" if self.test_loader is None: self.test_loader = getattr(self.distribution, 'test_loader', None) if self.test_loader is None: self.test_loader = "setuptools.command.test:ScanningLoader" if self.test_runner is None: self.test_runner = getattr(self.distribution, 'test_runner', None) @NonDataProperty def test_args(self): return list(self._test_args()) def _test_args(self): if not self.test_suite and sys.version_info >= (2, 7): yield 'discover' if self.verbose: yield '--verbose' if self.test_suite: yield self.test_suite def with_project_on_sys_path(self, func): """ Backward compatibility for project_on_sys_path context. """ with self.project_on_sys_path(): func() @contextlib.contextmanager def project_on_sys_path(self, include_dists=[]): with_2to3 = six.PY3 and getattr(self.distribution, 'use_2to3', False) if with_2to3: # If we run 2to3 we can not do this inplace: # Ensure metadata is up-to-date self.reinitialize_command('build_py', inplace=0) self.run_command('build_py') bpy_cmd = self.get_finalized_command("build_py") build_path = normalize_path(bpy_cmd.build_lib) # Build extensions self.reinitialize_command('egg_info', egg_base=build_path) self.run_command('egg_info') self.reinitialize_command('build_ext', inplace=0) self.run_command('build_ext') else: # Without 2to3 inplace works fine: self.run_command('egg_info') # Build extensions in-place self.reinitialize_command('build_ext', inplace=1) self.run_command('build_ext') ei_cmd = self.get_finalized_command("egg_info") old_path = sys.path[:] old_modules = sys.modules.copy() try: project_path = normalize_path(ei_cmd.egg_base) sys.path.insert(0, project_path) working_set.__init__() add_activation_listener(lambda dist: dist.activate()) require('%s==%s' % (ei_cmd.egg_name, ei_cmd.egg_version)) with self.paths_on_pythonpath([project_path]): yield finally: sys.path[:] = old_path sys.modules.clear() sys.modules.update(old_modules) working_set.__init__() @staticmethod @contextlib.contextmanager def paths_on_pythonpath(paths): """ Add the indicated paths to the head of the PYTHONPATH environment variable so that subprocesses will also see the packages at these paths. Do this in a context that restores the value on exit. """ nothing = object() orig_pythonpath = os.environ.get('PYTHONPATH', nothing) current_pythonpath = os.environ.get('PYTHONPATH', '') try: prefix = os.pathsep.join(paths) to_join = filter(None, [prefix, current_pythonpath]) new_path = os.pathsep.join(to_join) if new_path: os.environ['PYTHONPATH'] = new_path yield finally: if orig_pythonpath is nothing: os.environ.pop('PYTHONPATH', None) else: os.environ['PYTHONPATH'] = orig_pythonpath @staticmethod def install_dists(dist): """ Install the requirements indicated by self.distribution and return an iterable of the dists that were built. """ ir_d = dist.fetch_build_eggs(dist.install_requires) tr_d = dist.fetch_build_eggs(dist.tests_require or []) er_d = dist.fetch_build_eggs( v for k, v in dist.extras_require.items() if k.startswith(':') and evaluate_marker(k[1:]) ) return itertools.chain(ir_d, tr_d, er_d) def run(self): installed_dists = self.install_dists(self.distribution) cmd = ' '.join(self._argv) if self.dry_run: self.announce('skipping "%s" (dry run)' % cmd) return self.announce('running "%s"' % cmd) paths = map(operator.attrgetter('location'), installed_dists) with self.paths_on_pythonpath(paths): with self.project_on_sys_path(): self.run_tests() def run_tests(self): # Purge modules under test from sys.modules. The test loader will # re-import them from the build location. Required when 2to3 is used # with namespace packages. if six.PY3 and getattr(self.distribution, 'use_2to3', False): module = self.test_suite.split('.')[0] if module in _namespace_packages: del_modules = [] if module in sys.modules: del_modules.append(module) module += '.' for name in sys.modules: if name.startswith(module): del_modules.append(name) list(map(sys.modules.__delitem__, del_modules)) test = unittest.main( None, None, self._argv, testLoader=self._resolve_as_ep(self.test_loader), testRunner=self._resolve_as_ep(self.test_runner), exit=False, ) if not test.result.wasSuccessful(): msg = 'Test failed: %s' % test.result self.announce(msg, log.ERROR) raise DistutilsError(msg) @property def _argv(self): return ['unittest'] + self.test_args @staticmethod def _resolve_as_ep(val): """ Load the indicated attribute value, called, as a as if it were specified as an entry point. """ if val is None: return parsed = EntryPoint.parse("x=" + val) return parsed.resolve()()
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