--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/lib2to3/tests/test_refactor.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,168 @@
+"""
+Unit tests for refactor.py.
+"""
+
+import sys
+import os
+import operator
+import StringIO
+import tempfile
+import unittest
+
+from lib2to3 import refactor, pygram, fixer_base
+
+from . import support
+
+
+FIXER_DIR = os.path.join(os.path.dirname(__file__), "data/fixers")
+
+sys.path.append(FIXER_DIR)
+try:
+    _DEFAULT_FIXERS = refactor.get_fixers_from_package("myfixes")
+finally:
+    sys.path.pop()
+
+class TestRefactoringTool(unittest.TestCase):
+
+    def setUp(self):
+        sys.path.append(FIXER_DIR)
+
+    def tearDown(self):
+        sys.path.pop()
+
+    def check_instances(self, instances, classes):
+        for inst, cls in zip(instances, classes):
+            if not isinstance(inst, cls):
+                self.fail("%s are not instances of %s" % instances, classes)
+
+    def rt(self, options=None, fixers=_DEFAULT_FIXERS, explicit=None):
+        return refactor.RefactoringTool(fixers, options, explicit)
+
+    def test_print_function_option(self):
+        gram = pygram.python_grammar
+        save = gram.keywords["print"]
+        try:
+            rt = self.rt({"print_function" : True})
+            self.assertRaises(KeyError, operator.itemgetter("print"),
+                              gram.keywords)
+        finally:
+            gram.keywords["print"] = save
+
+    def test_fixer_loading_helpers(self):
+        contents = ["explicit", "first", "last", "parrot", "preorder"]
+        non_prefixed = refactor.get_all_fix_names("myfixes")
+        prefixed = refactor.get_all_fix_names("myfixes", False)
+        full_names = refactor.get_fixers_from_package("myfixes")
+        self.assertEqual(prefixed, ["fix_" + name for name in contents])
+        self.assertEqual(non_prefixed, contents)
+        self.assertEqual(full_names,
+                         ["myfixes.fix_" + name for name in contents])
+
+    def test_get_headnode_dict(self):
+        class NoneFix(fixer_base.BaseFix):
+            PATTERN = None
+
+        class FileInputFix(fixer_base.BaseFix):
+            PATTERN = "file_input< any * >"
+
+        no_head = NoneFix({}, [])
+        with_head = FileInputFix({}, [])
+        d = refactor.get_headnode_dict([no_head, with_head])
+        expected = {None: [no_head],
+                    pygram.python_symbols.file_input : [with_head]}
+        self.assertEqual(d, expected)
+
+    def test_fixer_loading(self):
+        from myfixes.fix_first import FixFirst
+        from myfixes.fix_last import FixLast
+        from myfixes.fix_parrot import FixParrot
+        from myfixes.fix_preorder import FixPreorder
+
+        rt = self.rt()
+        pre, post = rt.get_fixers()
+
+        self.check_instances(pre, [FixPreorder])
+        self.check_instances(post, [FixFirst, FixParrot, FixLast])
+
+    def test_naughty_fixers(self):
+        self.assertRaises(ImportError, self.rt, fixers=["not_here"])
+        self.assertRaises(refactor.FixerError, self.rt, fixers=["no_fixer_cls"])
+        self.assertRaises(refactor.FixerError, self.rt, fixers=["bad_order"])
+
+    def test_refactor_string(self):
+        rt = self.rt()
+        input = "def parrot(): pass\n\n"
+        tree = rt.refactor_string(input, "<test>")
+        self.assertNotEqual(str(tree), input)
+
+        input = "def f(): pass\n\n"
+        tree = rt.refactor_string(input, "<test>")
+        self.assertEqual(str(tree), input)
+
+    def test_refactor_stdin(self):
+
+        class MyRT(refactor.RefactoringTool):
+
+            def print_output(self, lines):
+                diff_lines.extend(lines)
+
+        diff_lines = []
+        rt = MyRT(_DEFAULT_FIXERS)
+        save = sys.stdin
+        sys.stdin = StringIO.StringIO("def parrot(): pass\n\n")
+        try:
+            rt.refactor_stdin()
+        finally:
+            sys.stdin = save
+        expected = """--- <stdin> (original)
++++ <stdin> (refactored)
+@@ -1,2 +1,2 @@
+-def parrot(): pass
++def cheese(): pass""".splitlines()
+        self.assertEqual(diff_lines[:-1], expected)
+
+    def test_refactor_file(self):
+        test_file = os.path.join(FIXER_DIR, "parrot_example.py")
+        old_contents = open(test_file, "r").read()
+        rt = self.rt()
+
+        rt.refactor_file(test_file)
+        self.assertEqual(old_contents, open(test_file, "r").read())
+
+        rt.refactor_file(test_file, True)
+        try:
+            self.assertNotEqual(old_contents, open(test_file, "r").read())
+        finally:
+            open(test_file, "w").write(old_contents)
+
+    def test_refactor_docstring(self):
+        rt = self.rt()
+
+        def example():
+            """
+            >>> example()
+            42
+            """
+        out = rt.refactor_docstring(example.__doc__, "<test>")
+        self.assertEqual(out, example.__doc__)
+
+        def parrot():
+            """
+            >>> def parrot():
+            ...      return 43
+            """
+        out = rt.refactor_docstring(parrot.__doc__, "<test>")
+        self.assertNotEqual(out, parrot.__doc__)
+
+    def test_explicit(self):
+        from myfixes.fix_explicit import FixExplicit
+
+        rt = self.rt(fixers=["myfixes.fix_explicit"])
+        self.assertEqual(len(rt.post_order), 0)
+
+        rt = self.rt(explicit=["myfixes.fix_explicit"])
+        for fix in rt.post_order:
+            if isinstance(fix, FixExplicit):
+                break
+        else:
+            self.fail("explicit fixer not loaded")