diff -r 5ff1fc726848 -r c6bca38c1cbf eggs/zc.buildout-1.5.2-py2.6.egg/zc/buildout/testselectingpython.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eggs/zc.buildout-1.5.2-py2.6.egg/zc/buildout/testselectingpython.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,96 @@
+##############################################################################
+#
+# Copyright (c) 2006 Zope Corporation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+import os, re, subprocess, sys, textwrap, unittest, doctest
+from zope.testing import renormalizing
+import zc.buildout.tests
+import zc.buildout.testing
+
+if sys.version_info[:2] == (2, 4):
+    other_version = "2.5"
+else:
+    other_version = "2.4"
+
+__test__ = dict(
+    test_selecting_python_via_easy_install=
+    """\
+
+We can specify a specific Python executable.
+
+    >>> dest = tmpdir('sample-install')
+    >>> ws = zc.buildout.easy_install.install(
+    ...     ['demo'], dest, links=[link_server],
+    ...     index='http://www.python.org/pypi/',
+    ...     always_unzip=True, executable=other_executable)
+
+    >>> ls(dest)
+    d  demo-0.3-py%(other_version)s.egg
+    d  demoneeded-1.1-py%(other_version)s.egg
+
+""" % dict(other_version=other_version)
+    )
+
+def multi_python(test):
+    other_executable = zc.buildout.testing.find_python(other_version)
+    command = textwrap.dedent('''\
+        try:
+            import setuptools
+        except ImportError:
+            import sys
+            sys.exit(1)
+        ''')
+    env = dict(os.environ)
+    env.pop('PYTHONPATH', None)
+    if subprocess.call([other_executable, '-c', command], env=env):
+        # the other executable does not have setuptools.  Get setuptools.
+        # We will do this using the same tools we are testing, for better or
+        # worse.  Alternatively, we could try using bootstrap.
+        executable_dir = test.globs['tmpdir']('executable_dir')
+        executable_parts = os.path.join(executable_dir, 'parts')
+        test.globs['mkdir'](executable_parts)
+        ws = zc.buildout.easy_install.install(
+            ['setuptools'], executable_dir,
+            index='http://www.python.org/pypi/',
+            always_unzip=True, executable=other_executable)
+        zc.buildout.easy_install.sitepackage_safe_scripts(
+            executable_dir, ws, other_executable, executable_parts,
+            reqs=['setuptools'], interpreter='py')
+        original_executable = other_executable
+        other_executable = os.path.join(executable_dir, 'py')
+        assert not subprocess.call(
+            [other_executable, '-c', command], env=env), (
+            'test set up failed')
+    sample_eggs = test.globs['tmpdir']('sample_eggs')
+    os.mkdir(os.path.join(sample_eggs, 'index'))
+    test.globs['sample_eggs'] = sample_eggs
+    zc.buildout.tests.create_sample_eggs(test, executable=other_executable)
+    test.globs['other_executable'] = other_executable
+
+
+def setup(test):
+    zc.buildout.testing.buildoutSetUp(test)
+    multi_python(test)
+    zc.buildout.tests.add_source_dist(test)
+    test.globs['link_server'] = test.globs['start_server'](
+        test.globs['sample_eggs'])
+
+
+def test_suite():
+    return doctest.DocTestSuite(
+        setUp=setup,
+        tearDown=zc.buildout.testing.buildoutTearDown,
+        checker=renormalizing.RENormalizing([
+            (re.compile('setuptools-\S+-py%s.egg' % other_version),
+             'setuptools-V-py%s.egg' % other_version),
+            ]),
+        )