add a couple of tests for the build_scripts command

Lib/distutils/tests/test_build_scripts.py

+"""Tests for distutils.command.build_scripts."""
+
+import os
+import unittest
+
+from distutils.command.build_scripts import build_scripts
+from distutils.core import Distribution
+
+from distutils.tests import support
+
+
+class BuildScriptsTestCase(support.TempdirManager, unittest.TestCase):
+
+    def test_default_settings(self):
+        cmd = self.get_build_scripts_cmd("/foo/bar", [])
+        self.assert_(not cmd.force)
+        self.assert_(cmd.build_dir is None)
+
+        cmd.finalize_options()
+
+        self.assert_(cmd.force)
+        self.assertEqual(cmd.build_dir, "/foo/bar")
+
+    def test_build(self):
+        source = self.mkdtemp()
+        target = self.mkdtemp()
+        expected = self.write_sample_scripts(source)
+
+        cmd = self.get_build_scripts_cmd(target,
+                                         [os.path.join(source, fn)
+                                          for fn in expected])
+        cmd.finalize_options()
+        cmd.run()
+
+        built = os.listdir(target)
+        for name in expected:
+            self.assert_(name in built)
+
+    def get_build_scripts_cmd(self, target, scripts):
+        dist = Distribution()
+        dist.scripts = scripts
+        dist.command_obj["build"] = support.DummyCommand(
+            build_scripts=target,
+            force=1
+            )
+        return build_scripts(dist)
+
+    def write_sample_scripts(self, dir):
+        expected = []
+        expected.append("script1.py")
+        self.write_script(dir, "script1.py",
+                          ("#! /usr/bin/env python2.3\n"
+                           "# bogus script w/ Python sh-bang\n"
+                           "pass\n"))
+        expected.append("script2.py")
+        self.write_script(dir, "script2.py",
+                          ("#!/usr/bin/python\n"
+                           "# bogus script w/ Python sh-bang\n"
+                           "pass\n"))
+        expected.append("shell.sh")
+        self.write_script(dir, "shell.sh",
+                          ("#!/bin/sh\n"
+                           "# bogus shell script w/ sh-bang\n"
+                           "exit 0\n"))
+        return expected
+
+    def write_script(self, dir, name, text):
+        f = open(os.path.join(dir, name), "w")
+        f.write(text)
+        f.close()
+
+
+def test_suite():
+    return unittest.makeSuite(BuildScriptsTestCase)