Implement PEP 366

Lib/test/test_cmd_line_script.py

@@ -35,15 +35,15 @@ def temp_dir():
     finally:
         shutil.rmtree(dirname)
 
-test_source = ("""\
+test_source = """\
 # Script may be run with optimisation enabled, so don't rely on assert
 # statements being executed
 def assertEqual(lhs, rhs):
     if lhs != rhs:
-        raise AssertionError("%r != %r" % (lhs, rhs))
+        raise AssertionError('%r != %r' % (lhs, rhs))
 def assertIdentical(lhs, rhs):
     if lhs is not rhs:
-        raise AssertionError("%r is not %r" % (lhs, rhs))
+        raise AssertionError('%r is not %r' % (lhs, rhs))
 # Check basic code execution
 result = ['Top level assignment']
 def f():
@@ -53,17 +53,18 @@ assertEqual(result, ['Top level assignment', 'Lower level reference'])
 # Check population of magic variables
 assertEqual(__name__, '__main__')
 print '__file__==%r' % __file__
+print '__package__==%r' % __package__
 # Check the sys module
 import sys
 assertIdentical(globals(), sys.modules[__name__].__dict__)
 print 'sys.argv[0]==%r' % sys.argv[0]
-""")
+"""
 
-def _make_test_script(script_dir, script_basename):
-    script_filename = script_basename+os.extsep+"py"
+def _make_test_script(script_dir, script_basename, source=test_source):
+    script_filename = script_basename+os.extsep+'py'
     script_name = os.path.join(script_dir, script_filename)
-    script_file = open(script_name, "w")
-    script_file.write(test_source)
+    script_file = open(script_name, 'w')
+    script_file.write(source)
     script_file.close()
     return script_name
 
@@ -76,71 +77,108 @@ def _compile_test_script(script_name):
     return compiled_name
 
 def _make_test_zip(zip_dir, zip_basename, script_name):
-    zip_filename = zip_basename+os.extsep+"zip"
+    zip_filename = zip_basename+os.extsep+'zip'
     zip_name = os.path.join(zip_dir, zip_filename)
     zip_file = zipfile.ZipFile(zip_name, 'w')
     zip_file.write(script_name, os.path.basename(script_name))
     zip_file.close()
     # if verbose:
     #    zip_file = zipfile.ZipFile(zip_name, 'r')
-    #    print "Contents of %r:" % zip_name
+    #    print 'Contents of %r:' % zip_name
     #    zip_file.printdir()
     #    zip_file.close()
     return zip_name
 
+def _make_test_pkg(pkg_dir):
+    os.mkdir(pkg_dir)
+    _make_test_script(pkg_dir, '__init__', '')
+
+# There's no easy way to pass the script directory in to get
+# -m to work (avoiding that is the whole point of making
+# directories and zipfiles executable!)
+# So we fake it for testing purposes with a custom launch script
+launch_source = """\
+import sys, os.path, runpy
+sys.path[0:0] = os.path.dirname(__file__)
+runpy._run_module_as_main(%r)
+"""
+
+def _make_launch_script(script_dir, script_basename, module_name):
+    return _make_test_script(script_dir, script_basename,
+                             launch_source % module_name)
+
 class CmdLineTest(unittest.TestCase):
-    def _check_script(self, script_name, expected_file, expected_argv0):
-        exit_code, data = _run_python(script_name)
+    def _check_script(self, script_name, expected_file,
+                            expected_argv0, expected_package,
+                            *cmd_line_switches):
+        run_args = cmd_line_switches + (script_name,)
+        exit_code, data = _run_python(*run_args)
         if verbose:
-            print "Output from test script %r:" % script_name
+            print 'Output from test script %r:' % script_name
             print data
         self.assertEqual(exit_code, 0)
         printed_file = '__file__==%r' % expected_file
         printed_argv0 = 'sys.argv[0]==%r' % expected_argv0
+        printed_package = '__package__==%r' % expected_package
+        if verbose:
+            print 'Expected output:'
+            print printed_file
+            print printed_package
+            print printed_argv0
         self.assert_(printed_file in data)
+        self.assert_(printed_package in data)
         self.assert_(printed_argv0 in data)
 
     def test_basic_script(self):
         with temp_dir() as script_dir:
-            script_name = _make_test_script(script_dir, "script")
-            self._check_script(script_name, script_name, script_name)
+            script_name = _make_test_script(script_dir, 'script')
+            self._check_script(script_name, script_name, script_name, None)
 
     def test_script_compiled(self):
         with temp_dir() as script_dir:
-            script_name = _make_test_script(script_dir, "script")
+            script_name = _make_test_script(script_dir, 'script')
             compiled_name = _compile_test_script(script_name)
             os.remove(script_name)
-            self._check_script(compiled_name, compiled_name, compiled_name)
+            self._check_script(compiled_name, compiled_name, compiled_name, None)
 
     def test_directory(self):
         with temp_dir() as script_dir:
-            script_name = _make_test_script(script_dir, "__main__")
-            self._check_script(script_dir, script_name, script_dir)
+            script_name = _make_test_script(script_dir, '__main__')
+            self._check_script(script_dir, script_name, script_dir, '')
 
     def test_directory_compiled(self):
         with temp_dir() as script_dir:
-            script_name = _make_test_script(script_dir, "__main__")
+            script_name = _make_test_script(script_dir, '__main__')
             compiled_name = _compile_test_script(script_name)
             os.remove(script_name)
-            self._check_script(script_dir, compiled_name, script_dir)
+            self._check_script(script_dir, compiled_name, script_dir, '')
 
     def test_zipfile(self):
         with temp_dir() as script_dir:
-            script_name = _make_test_script(script_dir, "__main__")
-            zip_name = _make_test_zip(script_dir, "test_zip", script_name)
-            self._check_script(zip_name, None, zip_name)
+            script_name = _make_test_script(script_dir, '__main__')
+            zip_name = _make_test_zip(script_dir, 'test_zip', script_name)
+            self._check_script(zip_name, None, zip_name, '')
 
     def test_zipfile_compiled(self):
         with temp_dir() as script_dir:
-            script_name = _make_test_script(script_dir, "__main__")
+            script_name = _make_test_script(script_dir, '__main__')
             compiled_name = _compile_test_script(script_name)
-            zip_name = _make_test_zip(script_dir, "test_zip", compiled_name)
-            self._check_script(zip_name, None, zip_name)
+            zip_name = _make_test_zip(script_dir, 'test_zip', compiled_name)
+            self._check_script(zip_name, None, zip_name, '')
+
+    def test_module_in_package(self):
+        with temp_dir() as script_dir:
+            pkg_dir = os.path.join(script_dir, 'test_pkg')
+            _make_test_pkg(pkg_dir)
+            script_name = _make_test_script(pkg_dir, 'script')
+            launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.script')
+            self._check_script(launch_name, script_name,
+                               script_name, 'test_pkg')
 
 
 def test_main():
     test.test_support.run_unittest(CmdLineTest)
     test.test_support.reap_children()
 
-if __name__ == "__main__":
+if __name__ == '__main__':
     test_main()