Merged revisions 74024 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r74024 | tarek.ziade | 2009-07-16 17:35:45 +0200 (Thu, 16 Jul 2009) | 1 line

  #6466 refactored distutils duplicate get_versions() functions (used to get gcc/ld/dllwrap versions)
........

Lib/distutils/tests/test_cygwinccompiler.py

@@ -2,29 +2,20 @@
 import unittest
 import sys
 import os
-from io import BytesIO
 import subprocess
+import warnings
+
+from test.support import check_warnings
+from test.support import captured_stdout
 
 from distutils import cygwinccompiler
 from distutils.cygwinccompiler import (CygwinCCompiler, check_config_h,
                                        CONFIG_H_OK, CONFIG_H_NOTOK,
                                        CONFIG_H_UNCERTAIN, get_versions,
-                                       get_msvcr)
+                                       get_msvcr, RE_VERSION)
+from distutils.util import get_compiler_versions
 from distutils.tests import support
 
-class FakePopen(object):
-    test_class = None
-
-    def __init__(self, cmd, shell, stdout):
-        self.cmd = cmd.split()[0]
-        exes = self.test_class._exes
-        if self.cmd in exes:
-            # issue #6438 in Python 3.x, Popen returns bytes
-            self.stdout = BytesIO(exes[self.cmd])
-        else:
-            self.stdout = os.popen(cmd, 'r')
-
-
 class CygwinCCompilerTestCase(support.TempdirManager,
                               unittest.TestCase):
 
@@ -35,29 +26,16 @@ class CygwinCCompilerTestCase(support.TempdirManager,
         from distutils import sysconfig
         self.old_get_config_h_filename = sysconfig.get_config_h_filename
         sysconfig.get_config_h_filename = self._get_config_h_filename
-        self.old_find_executable = cygwinccompiler.find_executable
-        cygwinccompiler.find_executable = self._find_executable
-        self._exes = {}
-        self.old_popen = cygwinccompiler.Popen
-        FakePopen.test_class = self
-        cygwinccompiler.Popen = FakePopen
 
     def tearDown(self):
         sys.version = self.version
         from distutils import sysconfig
         sysconfig.get_config_h_filename = self.old_get_config_h_filename
-        cygwinccompiler.find_executable = self.old_find_executable
-        cygwinccompiler.Popen = self.old_popen
         super(CygwinCCompilerTestCase, self).tearDown()
 
     def _get_config_h_filename(self):
         return self.python_h
 
-    def _find_executable(self, name):
-        if name in self._exes:
-            return name
-        return None
-
     def test_check_config_h(self):
 
         # check_config_h looks for "GCC" in sys.version first
@@ -81,40 +59,6 @@ class CygwinCCompilerTestCase(support.TempdirManager,
         self.write_file(self.python_h, 'xxx __GNUC__ xxx')
         self.assertEquals(check_config_h()[0], CONFIG_H_OK)
 
-    def test_get_versions(self):
-
-        # get_versions calls distutils.spawn.find_executable on
-        # 'gcc', 'ld' and 'dllwrap'
-        self.assertEquals(get_versions(), (None, None, None))
-
-        # Let's fake we have 'gcc' and it returns '3.4.5'
-        self._exes['gcc'] = b'gcc (GCC) 3.4.5 (mingw special)\nFSF'
-        res = get_versions()
-        self.assertEquals(str(res[0]), '3.4.5')
-
-        # and let's see what happens when the version
-        # doesn't match the regular expression
-        # (\d+\.\d+(\.\d+)*)
-        self._exes['gcc'] = b'very strange output'
-        res = get_versions()
-        self.assertEquals(res[0], None)
-
-        # same thing for ld
-        self._exes['ld'] = b'GNU ld version 2.17.50 20060824'
-        res = get_versions()
-        self.assertEquals(str(res[1]), '2.17.50')
-        self._exes['ld'] = b'@(#)PROGRAM:ld  PROJECT:ld64-77'
-        res = get_versions()
-        self.assertEquals(res[1], None)
-
-        # and dllwrap
-        self._exes['dllwrap'] = b'GNU dllwrap 2.17.50 20060824\nFSF'
-        res = get_versions()
-        self.assertEquals(str(res[2]), '2.17.50')
-        self._exes['dllwrap'] = b'Cheese Wrap'
-        res = get_versions()
-        self.assertEquals(res[2], None)
-
     def test_get_msvcr(self):
 
         # none
@@ -147,6 +91,21 @@ class CygwinCCompilerTestCase(support.TempdirManager,
                        '[MSC v.1999 32 bits (Intel)]')
         self.assertRaises(ValueError, get_msvcr)
 
+
+    def test_get_version_deprecated(self):
+        with check_warnings() as w:
+            warnings.simplefilter("always")
+            # make sure get_compiler_versions and get_versions
+            # returns the same thing
+            self.assertEquals(get_compiler_versions(), get_versions())
+            # make sure using get_version() generated a warning
+            self.assertEquals(len(w.warnings), 1)
+            # make sure any usage of RE_VERSION will also
+            # generate a warning, but till works
+            version = RE_VERSION.search('1.2').group(1)
+            self.assertEquals(version, '1.2')
+            self.assertEquals(len(w.warnings), 2)
+
 def test_suite():
     return unittest.makeSuite(CygwinCCompilerTestCase)