Issue #19492: Silently skipped distutils tests now reported as skipped.

Lib/distutils/tests/test_bdist_rpm.py

@@ -43,18 +43,15 @@ class BuildRpmTestCase(support.TempdirManager,
         sys.argv[:] = self.old_sys_argv[1]
         super(BuildRpmTestCase, self).tearDown()
 
-    def test_quiet(self):
-
     # XXX I am unable yet to make this test work without
     # spurious sdtout/stderr output under Mac OS X
-        if not sys.platform.startswith('linux'):
-            return
-
-        # this test will run only if the rpm commands are found
-        if (find_executable('rpm') is None or
-            find_executable('rpmbuild') is None):
-            return
-
+    @unittest.skipUnless(sys.platform.startswith('linux'),
+                         'spurious sdtout/stderr output under Mac OS X')
+    @unittest.skipIf(find_executable('rpm') is None,
+                     'the rpm command is not found')
+    @unittest.skipIf(find_executable('rpmbuild') is None,
+                     'the rpmbuild command is not found')
+    def test_quiet(self):
         # let's create a package
         tmp_dir = self.mkdtemp()
         pkg_dir = os.path.join(tmp_dir, 'foo')
@@ -87,19 +84,16 @@ class BuildRpmTestCase(support.TempdirManager,
         self.assertIn(('bdist_rpm', 'any', 'dist/foo-0.1-1.src.rpm'), dist.dist_files)
         self.assertIn(('bdist_rpm', 'any', 'dist/foo-0.1-1.noarch.rpm'), dist.dist_files)
 
-    def test_no_optimize_flag(self):
-
     # XXX I am unable yet to make this test work without
     # spurious sdtout/stderr output under Mac OS X
-        if not sys.platform.startswith('linux'):
-            return
-
+    @unittest.skipUnless(sys.platform.startswith('linux'),
+                         'spurious sdtout/stderr output under Mac OS X')
     # http://bugs.python.org/issue1533164
-        # this test will run only if the rpm command is found
-        if (find_executable('rpm') is None or
-            find_executable('rpmbuild') is None):
-            return
-
+    @unittest.skipIf(find_executable('rpm') is None,
+                     'the rpm command is not found')
+    @unittest.skipIf(find_executable('rpmbuild') is None,
+                     'the rpmbuild command is not found')
+    def test_no_optimize_flag(self):
         # let's create a package that brakes bdist_rpm
         tmp_dir = self.mkdtemp()
         pkg_dir = os.path.join(tmp_dir, 'foo')

Lib/distutils/tests/test_build_clib.py

@@ -102,11 +102,8 @@ class BuildCLibTestCase(support.TempdirManager,
         cmd.distribution.libraries = 'WONTWORK'
         self.assertRaises(DistutilsSetupError, cmd.finalize_options)
 
+    @unittest.skipIf(sys.platform == 'win32', "can't test on Windows")
     def test_run(self):
-        # can't test on windows
-        if sys.platform == 'win32':
-            return
-
         pkg_dir, dist = self.create_dist()
         cmd = build_clib(dist)
 
@@ -131,7 +128,7 @@ class BuildCLibTestCase(support.TempdirManager,
             if ccmd is None:
                 continue
             if find_executable(ccmd[0]) is None:
-                return # can't test
+                self.skipTest('The %r command is not found' % ccmd[0])
 
         # this should work
         cmd.run()

Lib/distutils/tests/test_build_ext.py

@@ -61,9 +61,9 @@ class BuildExtTestCase(TempdirManager,
             sys.stdout = old_stdout
 
         if ALREADY_TESTED:
-            return
+            self.skipTest('Already tested in %s' % ALREADY_TESTED)
         else:
-            ALREADY_TESTED = True
+            ALREADY_TESTED = type(self).__name__
 
         import xx
 
@@ -113,10 +113,6 @@ class BuildExtTestCase(TempdirManager,
         self.assertGreater(len(cmd.library_dirs), 0)
 
     def test_user_site(self):
-        # site.USER_SITE was introduced in 2.6
-        if sys.version < '2.6':
-            return
-
         import site
         dist = Distribution({'name': 'xx'})
         cmd = build_ext(dist)

Lib/distutils/tests/test_check.py

@@ -55,9 +55,8 @@ class CheckTestCase(support.LoggingSilencer,
         cmd = self._run(metadata)
         self.assertEqual(cmd._warnings, 0)
 
+    @unittest.skipUnless(HAS_DOCUTILS, "won't test without docutils")
     def test_check_document(self):
-        if not HAS_DOCUTILS: # won't test without docutils
-            return
         pkg_info, dist = self.create_dist()
         cmd = check(dist)
 
@@ -71,9 +70,8 @@ class CheckTestCase(support.LoggingSilencer,
         msgs = cmd._check_rst_data(rest)
         self.assertEqual(len(msgs), 0)
 
+    @unittest.skipUnless(HAS_DOCUTILS, "won't test without docutils")
     def test_check_restructuredtext(self):
-        if not HAS_DOCUTILS: # won't test without docutils
-            return
         # let's see if it detects broken rest in long_description
         broken_rest = 'title\n===\n\ntest'
         pkg_info, dist = self.create_dist(long_description=broken_rest)

Lib/distutils/tests/test_config_cmd.py

@@ -37,9 +37,8 @@ class ConfigTestCase(support.LoggingSilencer,
         dump_file(this_file, 'I am the header')
         self.assertEqual(len(self._logs), numlines+1)
 
+    @unittest.skipIf(sys.platform == 'win32', "can't test on Windows")
     def test_search_cpp(self):
-        if sys.platform == 'win32':
-            return
         pkg_dir, dist = self.create_dist()
         cmd = config(dist)
 

Lib/distutils/tests/test_sdist.py

@@ -131,13 +131,11 @@ class SDistTestCase(PyPIRCCommandTestCase):
         self.assertEqual(len(content), 4)
 
     @unittest.skipUnless(ZLIB_SUPPORT, 'Need zlib support to run')
+    @unittest.skipIf(find_executable('tar') is None,
+                     "The tar command is not found")
+    @unittest.skipIf(find_executable('gzip') is None,
+                     "The gzip command is not found")
     def test_make_distribution(self):
-
-        # check if tar and gzip are installed
-        if (find_executable('tar') is None or
-            find_executable('gzip') is None):
-            return
-
         # now building a sdist
         dist, cmd = self.get_cmd()
 
@@ -433,13 +431,11 @@ class SDistTestCase(PyPIRCCommandTestCase):
 
     @unittest.skipUnless(zlib, "requires zlib")
     @unittest.skipUnless(UID_GID_SUPPORT, "Requires grp and pwd support")
+    @unittest.skipIf(find_executable('tar') is None,
+                     "The tar command is not found")
+    @unittest.skipIf(find_executable('gzip') is None,
+                     "The gzip command is not found")
     def test_make_distribution_owner_group(self):
-
-        # check if tar and gzip are installed
-        if (find_executable('tar') is None or
-                find_executable('gzip') is None):
-            return
-
         # now building a sdist
         dist, cmd = self.get_cmd()
 

Lib/distutils/tests/test_sysconfig.py

@@ -80,12 +80,9 @@ class SysconfigTestCase(support.EnvironGuard, unittest.TestCase):
             os.chdir(cwd)
         self.assertEqual(srcdir, srcdir2)
 
+    @unittest.skipUnless(get_default_compiler() == 'unix',
+                         'not testing if default compiler is not unix')
     def test_customize_compiler(self):
-
-        # not testing if default compiler is not unix
-        if get_default_compiler() != 'unix':
-            return
-
         os.environ['AR'] = 'my_ar'
         os.environ['ARFLAGS'] = '-arflags'
 
@@ -151,7 +148,7 @@ class SysconfigTestCase(support.EnvironGuard, unittest.TestCase):
 
         import sysconfig as global_sysconfig
         if sysconfig.get_config_var('CUSTOMIZED_OSX_COMPILER'):
-            return
+            self.skipTest('compiler flags customized')
         self.assertEqual(global_sysconfig.get_config_var('LDSHARED'),
                          sysconfig.get_config_var('LDSHARED'))
         self.assertEqual(global_sysconfig.get_config_var('CC'),

Lib/distutils/tests/test_unixccompiler.py

@@ -21,12 +21,8 @@ class UnixCCompilerTestCase(unittest.TestCase):
         sys.platform = self._backup_platform
         sysconfig.get_config_var = self._backup_get_config_var
 
+    @unittest.skipIf(sys.platform == 'win32', "can't test on Windows")
     def test_runtime_libdir_option(self):
-
-        # not tested under windows
-        if sys.platform == 'win32':
-            return
-
         # Issue#5900
         #
         # Ensure RUNPATH is added to extension modules with RPATH if