Merged revisions 78227,78229,78288,78348,78377,78770,78774-78776,78810 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r78227 | michael.foord | 2010-02-18 14:30:09 -0600 (Thu, 18 Feb 2010) | 1 line

  unittest.TestCase uses safe_repr for producing failure messages. Partial fix for issue 7956
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  r78229 | michael.foord | 2010-02-18 15:37:07 -0600 (Thu, 18 Feb 2010) | 1 line

  Fix unittest.TestCase.assertDictContainsSubset so it can't die with unicode issues when constructing failure messages. Issue 7956
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  r78288 | michael.foord | 2010-02-21 08:48:59 -0600 (Sun, 21 Feb 2010) | 1 line

  Silence UnicodeWarning in crazy unittest test.
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  r78348 | michael.foord | 2010-02-22 17:28:32 -0600 (Mon, 22 Feb 2010) | 1 line

  Support for old TestResult object (unittest) with warnings when using unsupported features.
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  r78377 | michael.foord | 2010-02-23 11:00:53 -0600 (Tue, 23 Feb 2010) | 1 line

  unittest.TestResult can now be used with the TextTestRunner. TextTestRunner compatible with old TestResult objects.
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  r78770 | michael.foord | 2010-03-07 14:22:12 -0600 (Sun, 07 Mar 2010) | 1 line

  Fix for potentials errors in constructing unittest failure messages. Plus skipped test methods no longer run setUp and tearDown (Issue 8059)
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  r78774 | michael.foord | 2010-03-07 16:04:55 -0600 (Sun, 07 Mar 2010) | 1 line

  Addition of setUpClass and setUpModule shared fixtures to unittest.
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  r78775 | michael.foord | 2010-03-07 17:10:36 -0600 (Sun, 07 Mar 2010) | 1 line

  Fix accidental name rebinding in unittest py3k warning filtering.
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  r78776 | michael.foord | 2010-03-07 17:16:20 -0600 (Sun, 07 Mar 2010) | 1 line

  Remove accidental print statement from last commit.
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  r78810 | raymond.hettinger | 2010-03-09 02:44:18 -0600 (Tue, 09 Mar 2010) | 5 lines

  Improve the basic example.
  * Show both the decorator and regular form for assertRaises()
  * Use assertTrue() instead of assertIn() to teach useful minimal subset of the API
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1 files changed, 7 insertions, 3 deletions

diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index e2272f7..4671f8a 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -177,14 +177,18 @@ Here is a short script to test three functions from the :mod:`random` module::
            self.seq.sort()
            self.assertEqual(self.seq, list(range(10)))
 
+           # should raise an exception for an immutable sequence
+           self.assertRaises(TypeError, random.shuffle, (1,2,3))
+
        def test_choice(self):
            element = random.choice(self.seq)
-           self.assertIn(element, self.seq)
+           self.assertTrue(element in self.seq)
 
        def test_sample(self):
-           self.assertRaises(ValueError, random.sample, self.seq, 20)
+           with self.assertRaises(ValueError):
+               random.sample(self.seq, 20)
            for element in random.sample(self.seq, 5):
-               self.assertIn(element, self.seq)
+               self.assertTrue(element in self.seq)
 
    if __name__ == '__main__':
        unittest.main()