diff options
Diffstat (limited to 'Lib/packaging/tests/test_command_build_ext.py')
| -rw-r--r-- | Lib/packaging/tests/test_command_build_ext.py | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/Lib/packaging/tests/test_command_build_ext.py b/Lib/packaging/tests/test_command_build_ext.py new file mode 100644 index 0000000..2d79842 --- /dev/null +++ b/Lib/packaging/tests/test_command_build_ext.py @@ -0,0 +1,353 @@ +import os +import sys +import site +import shutil +import sysconfig +from io import StringIO +from packaging.dist import Distribution +from packaging.errors import UnknownFileError, CompileError +from packaging.command.build_ext import build_ext +from packaging.compiler.extension import Extension + +from packaging.tests import support, unittest, verbose, unload + +# http://bugs.python.org/issue4373 +# Don't load the xx module more than once. +ALREADY_TESTED = False + + +def _get_source_filename(): + srcdir = sysconfig.get_config_var('srcdir') + return os.path.join(srcdir, 'Modules', 'xxmodule.c') + + +class BuildExtTestCase(support.TempdirManager, + support.LoggingCatcher, + unittest.TestCase): + def setUp(self): + # Create a simple test environment + # Note that we're making changes to sys.path + super(BuildExtTestCase, self).setUp() + self.tmp_dir = self.mkdtemp() + self.sys_path = sys.path, sys.path[:] + sys.path.append(self.tmp_dir) + shutil.copy(_get_source_filename(), self.tmp_dir) + self.old_user_base = site.USER_BASE + site.USER_BASE = self.mkdtemp() + build_ext.USER_BASE = site.USER_BASE + + def test_build_ext(self): + global ALREADY_TESTED + xx_c = os.path.join(self.tmp_dir, 'xxmodule.c') + xx_ext = Extension('xx', [xx_c]) + dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]}) + dist.package_dir = self.tmp_dir + cmd = build_ext(dist) + if os.name == "nt": + # On Windows, we must build a debug version iff running + # a debug build of Python + cmd.debug = sys.executable.endswith("_d.exe") + cmd.build_lib = self.tmp_dir + cmd.build_temp = self.tmp_dir + + old_stdout = sys.stdout + if not verbose: + # silence compiler output + sys.stdout = StringIO() + try: + cmd.ensure_finalized() + cmd.run() + finally: + sys.stdout = old_stdout + + if ALREADY_TESTED: + return + else: + ALREADY_TESTED = True + + import xx + + for attr in ('error', 'foo', 'new', 'roj'): + self.assertTrue(hasattr(xx, attr)) + + self.assertEqual(xx.foo(2, 5), 7) + self.assertEqual(xx.foo(13, 15), 28) + self.assertEqual(xx.new().demo(), None) + doc = 'This is a template module just for instruction.' + self.assertEqual(xx.__doc__, doc) + self.assertTrue(isinstance(xx.Null(), xx.Null)) + self.assertTrue(isinstance(xx.Str(), xx.Str)) + + def tearDown(self): + # Get everything back to normal + unload('xx') + sys.path = self.sys_path[0] + sys.path[:] = self.sys_path[1] + if sys.version > "2.6": + site.USER_BASE = self.old_user_base + build_ext.USER_BASE = self.old_user_base + + super(BuildExtTestCase, self).tearDown() + + def test_solaris_enable_shared(self): + dist = Distribution({'name': 'xx'}) + cmd = build_ext(dist) + old = sys.platform + + sys.platform = 'sunos' # fooling finalize_options + from sysconfig import _CONFIG_VARS + + old_var = _CONFIG_VARS.get('Py_ENABLE_SHARED') + _CONFIG_VARS['Py_ENABLE_SHARED'] = 1 + try: + cmd.ensure_finalized() + finally: + sys.platform = old + if old_var is None: + del _CONFIG_VARS['Py_ENABLE_SHARED'] + else: + _CONFIG_VARS['Py_ENABLE_SHARED'] = old_var + + # make sure we get some library dirs under solaris + self.assertGreater(len(cmd.library_dirs), 0) + + @unittest.skipIf(sys.version < '2.6', 'requires Python 2.6 or higher') + def test_user_site(self): + dist = Distribution({'name': 'xx'}) + cmd = build_ext(dist) + + # making sure the user option is there + options = [name for name, short, label in + cmd.user_options] + self.assertIn('user', options) + + # setting a value + cmd.user = True + + # setting user based lib and include + lib = os.path.join(site.USER_BASE, 'lib') + incl = os.path.join(site.USER_BASE, 'include') + os.mkdir(lib) + os.mkdir(incl) + + # let's run finalize + cmd.ensure_finalized() + + # see if include_dirs and library_dirs + # were set + self.assertIn(lib, cmd.library_dirs) + self.assertIn(lib, cmd.rpath) + self.assertIn(incl, cmd.include_dirs) + + def test_optional_extension(self): + + # this extension will fail, but let's ignore this failure + # with the optional argument. + modules = [Extension('foo', ['xxx'], optional=False)] + dist = Distribution({'name': 'xx', 'ext_modules': modules}) + cmd = build_ext(dist) + cmd.ensure_finalized() + self.assertRaises((UnknownFileError, CompileError), + cmd.run) # should raise an error + + modules = [Extension('foo', ['xxx'], optional=True)] + dist = Distribution({'name': 'xx', 'ext_modules': modules}) + cmd = build_ext(dist) + cmd.ensure_finalized() + cmd.run() # should pass + + def test_finalize_options(self): + # Make sure Python's include directories (for Python.h, pyconfig.h, + # etc.) are in the include search path. + modules = [Extension('foo', ['xxx'], optional=False)] + dist = Distribution({'name': 'xx', 'ext_modules': modules}) + cmd = build_ext(dist) + cmd.finalize_options() + + py_include = sysconfig.get_path('include') + self.assertIn(py_include, cmd.include_dirs) + + plat_py_include = sysconfig.get_path('platinclude') + self.assertIn(plat_py_include, cmd.include_dirs) + + # make sure cmd.libraries is turned into a list + # if it's a string + cmd = build_ext(dist) + cmd.libraries = 'my_lib' + cmd.finalize_options() + self.assertEqual(cmd.libraries, ['my_lib']) + + # make sure cmd.library_dirs is turned into a list + # if it's a string + cmd = build_ext(dist) + cmd.library_dirs = 'my_lib_dir' + cmd.finalize_options() + self.assertIn('my_lib_dir', cmd.library_dirs) + + # make sure rpath is turned into a list + # if it's a list of os.pathsep's paths + cmd = build_ext(dist) + cmd.rpath = os.pathsep.join(['one', 'two']) + cmd.finalize_options() + self.assertEqual(cmd.rpath, ['one', 'two']) + + # XXX more tests to perform for win32 + + # make sure define is turned into 2-tuples + # strings if they are ','-separated strings + cmd = build_ext(dist) + cmd.define = 'one,two' + cmd.finalize_options() + self.assertEqual(cmd.define, [('one', '1'), ('two', '1')]) + + # make sure undef is turned into a list of + # strings if they are ','-separated strings + cmd = build_ext(dist) + cmd.undef = 'one,two' + cmd.finalize_options() + self.assertEqual(cmd.undef, ['one', 'two']) + + # make sure swig_opts is turned into a list + cmd = build_ext(dist) + cmd.swig_opts = None + cmd.finalize_options() + self.assertEqual(cmd.swig_opts, []) + + cmd = build_ext(dist) + cmd.swig_opts = '1 2' + cmd.finalize_options() + self.assertEqual(cmd.swig_opts, ['1', '2']) + + def test_get_source_files(self): + modules = [Extension('foo', ['xxx'], optional=False)] + dist = Distribution({'name': 'xx', 'ext_modules': modules}) + cmd = build_ext(dist) + cmd.ensure_finalized() + self.assertEqual(cmd.get_source_files(), ['xxx']) + + def test_compiler_option(self): + # cmd.compiler is an option and + # should not be overriden by a compiler instance + # when the command is run + dist = Distribution() + cmd = build_ext(dist) + cmd.compiler = 'unix' + cmd.ensure_finalized() + cmd.run() + self.assertEqual(cmd.compiler, 'unix') + + def test_get_outputs(self): + tmp_dir = self.mkdtemp() + c_file = os.path.join(tmp_dir, 'foo.c') + self.write_file(c_file, 'void initfoo(void) {};\n') + ext = Extension('foo', [c_file], optional=False) + dist = Distribution({'name': 'xx', + 'ext_modules': [ext]}) + cmd = build_ext(dist) + cmd.ensure_finalized() + self.assertEqual(len(cmd.get_outputs()), 1) + + if os.name == "nt": + cmd.debug = sys.executable.endswith("_d.exe") + + cmd.build_lib = os.path.join(self.tmp_dir, 'build') + cmd.build_temp = os.path.join(self.tmp_dir, 'tempt') + + # issue #5977 : distutils build_ext.get_outputs + # returns wrong result with --inplace + other_tmp_dir = os.path.realpath(self.mkdtemp()) + old_wd = os.getcwd() + os.chdir(other_tmp_dir) + try: + cmd.inplace = True + cmd.run() + so_file = cmd.get_outputs()[0] + finally: + os.chdir(old_wd) + self.assertTrue(os.path.exists(so_file)) + so_ext = sysconfig.get_config_var('SO') + self.assertTrue(so_file.endswith(so_ext)) + so_dir = os.path.dirname(so_file) + self.assertEqual(so_dir, other_tmp_dir) + + cmd.inplace = False + cmd.run() + so_file = cmd.get_outputs()[0] + self.assertTrue(os.path.exists(so_file)) + self.assertTrue(so_file.endswith(so_ext)) + so_dir = os.path.dirname(so_file) + self.assertEqual(so_dir, cmd.build_lib) + + # inplace = False, cmd.package = 'bar' + build_py = cmd.get_finalized_command('build_py') + build_py.package_dir = 'bar' + path = cmd.get_ext_fullpath('foo') + # checking that the last directory is the build_dir + path = os.path.split(path)[0] + self.assertEqual(path, cmd.build_lib) + + # inplace = True, cmd.package = 'bar' + cmd.inplace = True + other_tmp_dir = os.path.realpath(self.mkdtemp()) + old_wd = os.getcwd() + os.chdir(other_tmp_dir) + try: + path = cmd.get_ext_fullpath('foo') + finally: + os.chdir(old_wd) + # checking that the last directory is bar + path = os.path.split(path)[0] + lastdir = os.path.split(path)[-1] + self.assertEqual(lastdir, 'bar') + + def test_ext_fullpath(self): + ext = sysconfig.get_config_vars()['SO'] + # building lxml.etree inplace + #etree_c = os.path.join(self.tmp_dir, 'lxml.etree.c') + #etree_ext = Extension('lxml.etree', [etree_c]) + #dist = Distribution({'name': 'lxml', 'ext_modules': [etree_ext]}) + dist = Distribution() + cmd = build_ext(dist) + cmd.inplace = True + cmd.distribution.package_dir = 'src' + cmd.distribution.packages = ['lxml', 'lxml.html'] + curdir = os.getcwd() + wanted = os.path.join(curdir, 'src', 'lxml', 'etree' + ext) + path = cmd.get_ext_fullpath('lxml.etree') + self.assertEqual(wanted, path) + + # building lxml.etree not inplace + cmd.inplace = False + cmd.build_lib = os.path.join(curdir, 'tmpdir') + wanted = os.path.join(curdir, 'tmpdir', 'lxml', 'etree' + ext) + path = cmd.get_ext_fullpath('lxml.etree') + self.assertEqual(wanted, path) + + # building twisted.runner.portmap not inplace + build_py = cmd.get_finalized_command('build_py') + build_py.package_dir = None + cmd.distribution.packages = ['twisted', 'twisted.runner.portmap'] + path = cmd.get_ext_fullpath('twisted.runner.portmap') + wanted = os.path.join(curdir, 'tmpdir', 'twisted', 'runner', + 'portmap' + ext) + self.assertEqual(wanted, path) + + # building twisted.runner.portmap inplace + cmd.inplace = True + path = cmd.get_ext_fullpath('twisted.runner.portmap') + wanted = os.path.join(curdir, 'twisted', 'runner', 'portmap' + ext) + self.assertEqual(wanted, path) + + +def test_suite(): + src = _get_source_filename() + if not os.path.exists(src): + if verbose: + print ('test_build_ext: Cannot find source code (test' + ' must run in python build dir)') + return unittest.TestSuite() + else: + return unittest.makeSuite(BuildExtTestCase) + +if __name__ == '__main__': + unittest.main(defaultTest='test_suite') |