Patch #1080727: add "encoding" parameter to doctest.DocFileSuite
Contributed by Bjorn Tillenius.
This commit is contained in:
George Yoshida
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@ -868,7 +868,7 @@ sections \ref{doctest-simple-testmod} and
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globs}\optional{, verbose}\optional{,
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report}\optional{, optionflags}\optional{,
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extraglobs}\optional{, raise_on_error}\optional{,
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parser}}
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parser}\optional{, encoding}}
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All arguments except \var{filename} are optional, and should be
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specified in keyword form.
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@ -941,7 +941,13 @@ sections \ref{doctest-simple-testmod} and
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subclass) that should be used to extract tests from the files. It
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defaults to a normal parser (i.e., \code{\class{DocTestParser}()}).
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Optional argument \var{encoding} specifies an encoding that should
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be used to convert the file to unicode.
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\versionadded{2.4}
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\versionchanged[The parameter \var{encoding} was added]{2.5}
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\end{funcdesc}
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\begin{funcdesc}{testmod}{\optional{m}\optional{, name}\optional{,
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@ -1061,7 +1067,8 @@ instances from text files and modules with doctests:
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\begin{funcdesc}{DocFileSuite}{\optional{module_relative}\optional{,
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package}\optional{, setUp}\optional{,
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tearDown}\optional{, globs}\optional{,
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optionflags}\optional{, parser}}
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optionflags}\optional{, parser}\optional{,
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encoding}}
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Convert doctest tests from one or more text files to a
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\class{\refmodule{unittest}.TestSuite}.
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@ -1128,11 +1135,17 @@ instances from text files and modules with doctests:
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subclass) that should be used to extract tests from the files. It
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defaults to a normal parser (i.e., \code{\class{DocTestParser}()}).
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Optional argument \var{encoding} specifies an encoding that should
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be used to convert the file to unicode.
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\versionadded{2.4}
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\versionchanged[The global \code{__file__} was added to the
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globals provided to doctests loaded from a text file using
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\function{DocFileSuite()}]{2.5}
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\versionchanged[The parameter \var{encoding} was added]{2.5}
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\end{funcdesc}
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\begin{funcdesc}{DocTestSuite}{\optional{module}\optional{,
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@ -1869,7 +1869,8 @@ def testmod(m=None, name=None, globs=None, verbose=None, isprivate=None,
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def testfile(filename, module_relative=True, name=None, package=None,
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globs=None, verbose=None, report=True, optionflags=0,
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extraglobs=None, raise_on_error=False, parser=DocTestParser()):
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extraglobs=None, raise_on_error=False, parser=DocTestParser(),
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encoding=None):
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"""
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Test examples in the given file. Return (#failures, #tests).
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@ -1935,6 +1936,9 @@ def testfile(filename, module_relative=True, name=None, package=None,
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Optional keyword arg "parser" specifies a DocTestParser (or
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subclass) that should be used to extract tests from the files.
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Optional keyword arg "encoding" specifies an encoding that should
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be used to convert the file to unicode.
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Advanced tomfoolery: testmod runs methods of a local instance of
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class doctest.Tester, then merges the results into (or creates)
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global Tester instance doctest.master. Methods of doctest.master
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@ -1969,6 +1973,9 @@ def testfile(filename, module_relative=True, name=None, package=None,
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else:
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runner = DocTestRunner(verbose=verbose, optionflags=optionflags)
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if encoding is not None:
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text = text.decode(encoding)
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# Read the file, convert it to a test, and run it.
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test = parser.get_doctest(text, globs, name, filename, 0)
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runner.run(test)
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@ -2339,7 +2346,8 @@ class DocFileCase(DocTestCase):
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)
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def DocFileTest(path, module_relative=True, package=None,
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globs=None, parser=DocTestParser(), **options):
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globs=None, parser=DocTestParser(),
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encoding=None, **options):
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if globs is None:
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globs = {}
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else:
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@ -2357,6 +2365,10 @@ def DocFileTest(path, module_relative=True, package=None,
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# Find the file and read it.
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name = os.path.basename(path)
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# If an encoding is specified, use it to convert the file to unicode
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if encoding is not None:
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doc = doc.decode(encoding)
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# Convert it to a test, and wrap it in a DocFileCase.
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test = parser.get_doctest(doc, globs, name, path, 0)
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@ -2414,6 +2426,9 @@ def DocFileSuite(*paths, **kw):
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parser
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A DocTestParser (or subclass) that should be used to extract
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tests from the files.
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encoding
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An encoding that will be used to convert the files to unicode.
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"""
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suite = unittest.TestSuite()
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@ -1937,9 +1937,10 @@ def test_DocFileSuite():
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>>> import unittest
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>>> suite = doctest.DocFileSuite('test_doctest.txt',
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... 'test_doctest2.txt')
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... 'test_doctest2.txt',
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... 'test_doctest4.txt')
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>>> suite.run(unittest.TestResult())
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<unittest.TestResult run=2 errors=0 failures=2>
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<unittest.TestResult run=3 errors=0 failures=3>
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The test files are looked for in the directory containing the
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calling module. A package keyword argument can be provided to
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@ -1948,9 +1949,10 @@ def test_DocFileSuite():
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>>> import unittest
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>>> suite = doctest.DocFileSuite('test_doctest.txt',
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... 'test_doctest2.txt',
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... 'test_doctest4.txt',
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... package='test')
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>>> suite.run(unittest.TestResult())
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<unittest.TestResult run=2 errors=0 failures=2>
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<unittest.TestResult run=3 errors=0 failures=3>
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'/' should be used as a path separator. It will be converted
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to a native separator at run time:
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@ -1995,19 +1997,21 @@ def test_DocFileSuite():
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>>> suite = doctest.DocFileSuite('test_doctest.txt',
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... 'test_doctest2.txt',
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... 'test_doctest4.txt',
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... globs={'favorite_color': 'blue'})
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>>> suite.run(unittest.TestResult())
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<unittest.TestResult run=2 errors=0 failures=1>
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<unittest.TestResult run=3 errors=0 failures=2>
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In this case, we supplied a missing favorite color. You can
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provide doctest options:
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>>> suite = doctest.DocFileSuite('test_doctest.txt',
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... 'test_doctest2.txt',
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... 'test_doctest4.txt',
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... optionflags=doctest.DONT_ACCEPT_BLANKLINE,
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... globs={'favorite_color': 'blue'})
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>>> suite.run(unittest.TestResult())
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<unittest.TestResult run=2 errors=0 failures=2>
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<unittest.TestResult run=3 errors=0 failures=3>
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And, you can provide setUp and tearDown functions:
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@ -2025,9 +2029,10 @@ def test_DocFileSuite():
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>>> suite = doctest.DocFileSuite('test_doctest.txt',
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... 'test_doctest2.txt',
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... 'test_doctest4.txt',
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... setUp=setUp, tearDown=tearDown)
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>>> suite.run(unittest.TestResult())
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<unittest.TestResult run=2 errors=0 failures=1>
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<unittest.TestResult run=3 errors=0 failures=2>
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But the tearDown restores sanity:
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@ -2060,6 +2065,17 @@ def test_DocFileSuite():
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>>> suite.run(unittest.TestResult())
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<unittest.TestResult run=1 errors=0 failures=0>
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If the tests contain non-ASCII characters, we have to specify which
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encoding the file is encoded with. We do so by using the `encoding`
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parameter:
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>>> suite = doctest.DocFileSuite('test_doctest.txt',
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... 'test_doctest2.txt',
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... 'test_doctest4.txt',
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... encoding='utf-8')
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>>> suite.run(unittest.TestResult())
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<unittest.TestResult run=3 errors=0 failures=2>
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"""
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def test_trailing_space_in_test():
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@ -2266,6 +2282,32 @@ debugging):
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Traceback (most recent call last):
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UnexpectedException: ...
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>>> doctest.master = None # Reset master.
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If the tests contain non-ASCII characters, the tests might fail, since
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it's unknown which encoding is used. The encoding can be specified
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using the optional keyword argument `encoding`:
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>>> doctest.testfile('test_doctest4.txt') # doctest: +ELLIPSIS
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**********************************************************************
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File "...", line 7, in test_doctest4.txt
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Failed example:
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u'...'
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Expected:
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u'f\xf6\xf6'
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Got:
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u'f\xc3\xb6\xc3\xb6'
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**********************************************************************
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...
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**********************************************************************
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1 items had failures:
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2 of 4 in test_doctest4.txt
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***Test Failed*** 2 failures.
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(2, 4)
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>>> doctest.master = None # Reset master.
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>>> doctest.testfile('test_doctest4.txt', encoding='utf-8')
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(0, 4)
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>>> doctest.master = None # Reset master.
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"""
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# old_test1, ... used to live in doctest.py, but cluttered it. Note
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@ -0,0 +1,17 @@
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This is a sample doctest in a text file that contains non-ASCII characters.
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This file is encoded using UTF-8.
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In order to get this test to pass, we have to manually specify the
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encoding.
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>>> u'föö'
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u'f\xf6\xf6'
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>>> u'bąr'
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u'b\u0105r'
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>>> 'föö'
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'f\xc3\xb6\xc3\xb6'
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>>> 'bąr'
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'b\xc4\x85r'
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