Merged revisions 76871-76872,77093-77095,77097-77101 via svnmerge from

svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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  r76871 | benjamin.peterson | 2009-12-17 20:49:21 -0600 (Thu, 17 Dec 2009) | 1 line

  handle unencodable diffs gracefully #5093
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  r76872 | benjamin.peterson | 2009-12-17 20:51:37 -0600 (Thu, 17 Dec 2009) | 1 line

  fix emacs header
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  r77093 | benjamin.peterson | 2009-12-28 14:43:32 -0600 (Mon, 28 Dec 2009) | 7 lines

  replace callable(x) with isinstance(x, collections.Callable) #7006

  This is a more accurate translation than hasattr(x, '__call__') which failed in
  the case that somebody had put __call__ in the instance dictionary.

  Patch mostly by Joe Amenta.
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  r77094 | benjamin.peterson | 2009-12-28 14:45:13 -0600 (Mon, 28 Dec 2009) | 2 lines

  deuglify imports
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  r77095 | benjamin.peterson | 2009-12-28 14:49:23 -0600 (Mon, 28 Dec 2009) | 1 line

  remove unused flag
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  r77097 | benjamin.peterson | 2009-12-28 16:12:13 -0600 (Mon, 28 Dec 2009) | 2 lines

  clean up imports and whitespace
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  r77098 | benjamin.peterson | 2009-12-28 16:43:35 -0600 (Mon, 28 Dec 2009) | 1 line

  *** empty log message ***
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  r77099 | benjamin.peterson | 2009-12-28 16:45:10 -0600 (Mon, 28 Dec 2009) | 1 line

  revert unintended change
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  r77100 | benjamin.peterson | 2009-12-28 16:53:21 -0600 (Mon, 28 Dec 2009) | 1 line

  revert unintended changes
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  r77101 | benjamin.peterson | 2009-12-28 17:46:02 -0600 (Mon, 28 Dec 2009) | 1 line

  normalize whitespace
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1 files changed, 36 insertions, 0 deletions

diff --git a/Lib/lib2to3/tests/test_main.py b/Lib/lib2to3/tests/test_main.py
new file mode 100644
index 0000000..0291931
--- /dev/null
+++ b/Lib/lib2to3/tests/test_main.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+import sys
+import codecs
+import StringIO
+import unittest
+
+from lib2to3 import main
+
+
+class TestMain(unittest.TestCase):
+
+    def run_2to3_capture(self, args, in_capture, out_capture, err_capture):
+        save_stdin = sys.stdin
+        save_stdout = sys.stdout
+        save_stderr = sys.stderr
+        sys.stdin = in_capture
+        sys.stdout = out_capture
+        sys.stderr = err_capture
+        try:
+            return main.main("lib2to3.fixes", args)
+        finally:
+            sys.stdin = save_stdin
+            sys.stdout = save_stdout
+            sys.stderr = save_stderr
+
+    def test_unencodable_diff(self):
+        input_stream = StringIO.StringIO(u"print 'nothing'\nprint u'über'\n")
+        out = StringIO.StringIO()
+        out_enc = codecs.getwriter("ascii")(out)
+        err = StringIO.StringIO()
+        ret = self.run_2to3_capture(["-"], input_stream, out_enc, err)
+        self.assertEqual(ret, 0)
+        output = out.getvalue()
+        self.assertTrue("-print 'nothing'" in output)
+        self.assertTrue("WARNING: couldn't encode <stdin>'s diff for "
+                        "your terminal" in err.getvalue())