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usr
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python3.6
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unittest
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__pycache__
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The context manager keeps a reference to the exception as the 'exception' attribute. This allows you to inspect the exception after the assertion:: with self.assertRaises(SomeException) as cm: do_something() the_exception = cm.exception self.assertEqual(the_exception.error_code, 3) � assertRaisesN)r^ r] )r �expected_exceptionr* r+ �contextr r r r� � s zTestCase.assertRaisesc O s t || �}|jd||�S )a� Fail unless a warning of class warnClass is triggered by the callable when invoked with specified positional and keyword arguments. If a different type of warning is triggered, it will not be handled: depending on the other warning filtering rules in effect, it might be silenced, printed out, or raised as an exception. If called with the callable and arguments omitted, will return a context object used like this:: with self.assertWarns(SomeWarning): do_something() An optional keyword argument 'msg' can be provided when assertWarns is used as a context object. The context manager keeps a reference to the first matching warning as the 'warning' attribute; similarly, the 'filename' and 'lineno' attributes give you information about the line of Python code from which the warning was triggered. This allows you to inspect the warning after the assertion:: with self.assertWarns(SomeWarning) as cm: do_something() the_warning = cm.warning self.assertEqual(the_warning.some_attribute, 147) � assertWarns)rl r] )r �expected_warningr* r+ r� r r r r� � s zTestCase.assertWarnsc C s t | ||�S )a� Fail unless a log message of level *level* or higher is emitted on *logger_name* or its children. If omitted, *level* defaults to INFO and *logger* defaults to the root logger. This method must be used as a context manager, and will yield a recording object with two attributes: `output` and `records`. At the end of the context manager, the `output` attribute will be a list of the matching formatted log messages and the `records` attribute will be a list of the corresponding LogRecord objects. Example:: with self.assertLogs('foo', level='INFO') as cm: logging.getLogger('foo').info('first message') logging.getLogger('foo.bar').error('second message') self.assertEqual(cm.output, ['INFO:foo:first message', 'ERROR:foo.bar:second message']) )r� )r r� r� r r r � assertLogs s zTestCase.assertLogsc C sF t |�t |�kr@| jjt |��}|dk r@t|t�r<t| |�}|S | jS )a Get a detailed comparison function for the types of the two args. Returns: A callable accepting (first, second, msg=None) that will raise a failure exception if first != second with a useful human readable error message for those types. N)r/ r� r� r. r rr �_baseAssertEqual)r �first�secondZasserterr r r �_getAssertEqualityFunc( s z TestCase._getAssertEqualityFuncc C s0 ||ks,dt ||� }| j||�}| j|��dS )z:The default assertEqual implementation, not type specific.z%s != %sN)r rD rF )r r� r� rE rG r r r r� B s zTestCase._baseAssertEqualc C s | j ||�}||||d� dS )z[Fail if the two objects are unequal as determined by the '==' operator. )rE N)r� )r r� r� rE Zassertion_funcr r r � assertEqualI s zTestCase.assertEqualc C s2 ||ks.| j |dt|�t|�f �}| j|��dS )zYFail if the two objects are equal as determined by the '!=' operator. z%s == %sN)rD r rF )r r� r� rE r r r �assertNotEqualP s zTestCase.assertNotEqualc C s� ||kr dS |dk r$|dk r$t d��|dk r\t|| �|kr@dS dt|�t|�t|�f }n<|dkrhd}tt|| �|�dkr�dS dt|�t|�|f }| j||�}| j|��dS )a' Fail if the two objects are unequal as determined by their difference rounded to the given number of decimal places (default 7) and comparing to zero, or by comparing that the difference between the two objects is more than the given delta. Note that decimal places (from zero) are usually not the same as significant digits (measured from the most significant digit). If the two objects compare equal then they will automatically compare almost equal. Nz specify delta or places not bothz%s != %s within %s delta� r z%s != %s within %r places)rS �absr �roundrD rF )r r� r� �placesrE �deltarG r r r �assertAlmostEqualY s& zTestCase.assertAlmostEqualc C s� |dk r|dk rt d��|dk rZ||k r>t|| �|kr>dS dt|�t|�t|�f }nF|dkrfd}||k r�tt|| �|�dkr�dS dt|�t|�|f }| j||�}| j|��dS )a� Fail if the two objects are equal as determined by their difference rounded to the given number of decimal places (default 7) and comparing to zero, or by comparing that the difference between the two objects is less than the given delta. Note that decimal places (from zero) are usually not the same as significant digits (measured from the most significant digit). Objects that are equal automatically fail. Nz specify delta or places not bothz%s == %s within %s deltar� r z%s == %s within %r places)rS r� r r� rD rF )r r� r� r� rE r� rG r r r �assertNotAlmostEqual� s" z TestCase.assertNotAlmostEqualc ' C s� |dk rP|j }t||�s.| jd|t|�f ��t||�sT| jd|t|�f ��nd}d}y t|�}W n ttfk r� d| }Y nX |dkr�y t|�}W n ttfk r� d| }Y nX |dk�r�||kr�dS d|j� ft||� }x�t t ||��D ]�} y || } W n. tt tfk �r8 |d| |f 7 }P Y nX y || } W n. tt tfk �rt |d | |f 7 }P Y nX | | kr�|d | ft| | � 7 }P q�W ||k�r�|dk�r�t |�t |�k�r�dS ||k�r0|d ||| f 7 }y |d |t|| �f 7 }W n, tt tfk �r, |d ||f 7 }Y nX nh||k �r�|d||| f 7 }y |d |t|| �f 7 }W n, tt tfk �r� |d||f 7 }Y nX |} ddj tjtj|�j� tj|�j� �� } | j| | �} | j|| �}| j|� dS )aA An equality assertion for ordered sequences (like lists and tuples). For the purposes of this function, a valid ordered sequence type is one which can be indexed, has a length, and has an equality operator. Args: seq1: The first sequence to compare. seq2: The second sequence to compare. seq_type: The expected datatype of the sequences, or None if no datatype should be enforced. msg: Optional message to use on failure instead of a list of differences. Nz First sequence is not a %s: %sz Second sequence is not a %s: %sZsequencez(First %s has no length. Non-sequence?z)Second %s has no length. Non-sequence?z%ss differ: %s != %s z( Unable to index element %d of first %s z) Unable to index element %d of second %s z# First differing element %d: %s %s z+ First %s contains %d additional elements. zFirst extra element %d: %s z'Unable to index element %d of first %s z, Second %s contains %d additional elements. z(Unable to index element %d of second %s r� )r r. rF r r� rS �NotImplementedError� capitalizer �range�min� IndexErrorr/ �join�difflib�ndiff�pprint�pformat� splitlines�_truncateMessagerD r� )r Zseq1Zseq2rE �seq_typeZ seq_type_nameZ differingZlen1Zlen2�iZitem1Zitem2rG �diffMsgr r r �assertSequenceEqual� s� z TestCase.assertSequenceEqualc C s2 | j }|d kst|�|kr"|| S |tt|� S )N)�maxDiffr� � DIFF_OMITTED)r rw �diffZmax_diffr r r r s zTestCase._truncateMessagec C s | j |||td� dS )a A list-specific equality assertion. Args: list1: The first list to compare. list2: The second list to compare. msg: Optional message to use on failure instead of a list of differences. )r N)r r� )r Zlist1Zlist2rE r r r r� s zTestCase.assertListEqualc C s | j |||td� dS )a A tuple-specific equality assertion. Args: tuple1: The first tuple to compare. tuple2: The second tuple to compare. msg: Optional message to use on failure instead of a list of differences. )r N)r r? )r Ztuple1Ztuple2rE r r r r� s zTestCase.assertTupleEqualc C sh y|j |�}W n^ tk r> } z| jd| � W Y dd}~X n0 tk rl } z| jd| � W Y dd}~X nX y|j |�}W n^ tk r� } z| jd| � W Y dd}~X n0 tk r� } z| jd| � W Y dd}~X nX |p�|s�dS g }|�r|jd� x |D ]}|jt|�� �qW |�rH|jd� x |D ]}|jt|�� �q0W dj|�} | j| j|| �� dS )a� A set-specific equality assertion. Args: set1: The first set to compare. set2: The second set to compare. msg: Optional message to use on failure instead of a list of differences. assertSetEqual uses ducktyping to support different types of sets, and is optimized for sets specifically (parameters must support a difference method). z/invalid type when attempting set difference: %sNz2first argument does not support set difference: %sz3second argument does not support set difference: %sz*Items in the first set but not the second:z*Items in the second set but not the first:r� )� differencerS r� r[ r �reprr� rD ) r Zset1Zset2rE Z difference1r$ Z difference2�lines�itemrG r r r r� " s2 zTestCase.assertSetEqualc C s2 ||kr.dt |�t |�f }| j| j||�� dS )zDJust like self.assertTrue(a in b), but with a nicer default message.z%s not found in %sN)r r� rD )r �member� containerrE rG r r r �assertInM s zTestCase.assertInc C s2 ||kr.dt |�t |�f }| j| j||�� dS )zHJust like self.assertTrue(a not in b), but with a nicer default message.z%s unexpectedly found in %sN)r r� rD )r r r rE rG r r r � assertNotInT s zTestCase.assertNotInc C s2 ||k r.dt |�t |�f }| j| j||�� dS )zDJust like self.assertTrue(a is b), but with a nicer default message.z %s is not %sN)r r� rD )r �expr1�expr2rE rG r r r �assertIs[ s zTestCase.assertIsc C s, ||kr(dt |�f }| j| j||�� dS )zHJust like self.assertTrue(a is not b), but with a nicer default message.zunexpectedly identical: %sN)r r� rD )r r r rE rG r r r � assertIsNotb s zTestCase.assertIsNotc C s~ | j |td� | j |td� ||krzdt||� }ddjtjtj|�j� tj|�j� �� }| j ||�}| j | j ||�� d S )Nz"First argument is not a dictionaryz#Second argument is not a dictionaryz%s != %sr� ) �assertIsInstancer� r r� r r r r r r r� rD )r Zd1Zd2rE rG r r r r r� h s zTestCase.assertDictEqualc C s� t jdt� g }g }xX|j� D ]L\}}||kr:|j|� q ||| kr |jdt|�t|�t|| �f � q W |pt|szdS d}|r�ddjdd� |D �� }|r�|r�|d 7 }|d dj|� 7 }| j| j||�� dS ) z2Checks whether dictionary is a superset of subset.z&assertDictContainsSubset is deprecatedz %s, expected: %s, actual: %sNr� z Missing: %s�,c s s | ]}t |�V qd S )N)r )r< rz r r r r> � s z4TestCase.assertDictContainsSubset.<locals>.<genexpr>z; zMismatched values: %s) rU rV rW �itemsr r r� r� rD ) r ZsubsetZ dictionaryrE ZmissingZ mismatched�key�valuerG r r r �assertDictContainsSubsett s, z!TestCase.assertDictContainsSubsetc C s� t |�t |� }}ytj|�}tj|�}W n tk rH t||�}Y nX ||krVdS t||�}|r�d}dd� |D �}dj|�} | j|| �}| j||�}| j |� dS )a� An unordered sequence comparison asserting that the same elements, regardless of order. If the same element occurs more than once, it verifies that the elements occur the same number of times. self.assertEqual(Counter(list(first)), Counter(list(second))) Example: - [0, 1, 1] and [1, 0, 1] compare equal. - [0, 0, 1] and [0, 1] compare unequal. Nz Element counts were not equal: c S s g | ] }d | �qS )z First has %d, Second has %d: %rr )r< r r r r � <listcomp>� s z-TestCase.assertCountEqual.<locals>.<listcomp>r� ) r� r� �CounterrS r r r� r rD r� ) r r� r� rE Z first_seqZ second_seqZ differencesrG r r r r r �assertCountEqual� s zTestCase.assertCountEqualc C s� | j |td� | j |td� ||kr�t|�| jks@t|�| jkrN| j|||� |jdd�}|jdd�}t|�dkr�|jd�|kr�|d g}|d g}dt||� }dd jt j ||�� }| j ||�}| j | j ||�� d S ) z-Assert that two multi-line strings are equal.z First argument is not a stringz Second argument is not a stringT)�keependsr z r� z%s != %sr� N)r r r� �_diffThresholdr� r r� r r� r r r r� rD )r r� r� rE Z firstlinesZ secondlinesrG r r r r r� � s z TestCase.assertMultiLineEqualc C s2 ||k s.dt |�t |�f }| j| j||�� dS )zCJust like self.assertTrue(a < b), but with a nicer default message.z%s not less than %sN)r r� rD )r �a�brE rG r r r � assertLess� s zTestCase.assertLessc C s2 ||ks.dt |�t |�f }| j| j||�� dS )zDJust like self.assertTrue(a <= b), but with a nicer default message.z %s not less than or equal to %sN)r r� rD )r r$ r% rE rG r r r �assertLessEqual� s zTestCase.assertLessEqualc C s2 ||ks.dt |�t |�f }| j| j||�� dS )zCJust like self.assertTrue(a > b), but with a nicer default message.z%s not greater than %sN)r r� rD )r r$ r% rE rG r r r � assertGreater� s zTestCase.assertGreaterc C s2 ||ks.dt |�t |�f }| j| j||�� dS )zDJust like self.assertTrue(a >= b), but with a nicer default message.z"%s not greater than or equal to %sN)r r� rD )r r$ r% rE rG r r r �assertGreaterEqual� s zTestCase.assertGreaterEqualc C s, |dk r(dt |�f }| j| j||�� dS )zCSame as self.assertTrue(obj is None), with a nicer default message.Nz%s is not None)r r� rD )r r( rE rG r r r � assertIsNone� s zTestCase.assertIsNonec C s" |dkr d}| j | j||�� dS )z(Included for symmetry with assertIsNone.Nzunexpectedly None)r� rD )r r( rE rG r r r �assertIsNotNone� s zTestCase.assertIsNotNonec C s0 t ||�s,dt|�|f }| j| j||�� dS )zTSame as self.assertTrue(isinstance(obj, cls)), with a nicer default message.z%s is not an instance of %rN)r. r r� rD )r r( r� rE rG r r r r � s zTestCase.assertIsInstancec C s0 t ||�r,dt|�|f }| j| j||�� dS )z,Included for symmetry with assertIsInstance.z%s is an instance of %rN)r. r r� rD )r r( r� rE rG r r r �assertNotIsInstance� s z TestCase.assertNotIsInstancec O s t || |�}|jd||�S )a Asserts that the message in a raised exception matches a regex. Args: expected_exception: Exception class expected to be raised. expected_regex: Regex (re pattern object or string) expected to be found in error message. args: Function to be called and extra positional args. kwargs: Extra kwargs. msg: Optional message used in case of failure. Can only be used when assertRaisesRegex is used as a context manager. �assertRaisesRegex)r^ r] )r r� rO r* r+ r� r r r r- � s zTestCase.assertRaisesRegexc O s t || |�}|jd||�S )a� Asserts that the message in a triggered warning matches a regexp. Basic functioning is similar to assertWarns() with the addition that only warnings whose messages also match the regular expression are considered successful matches. Args: expected_warning: Warning class expected to be triggered. expected_regex: Regex (re pattern object or string) expected to be found in error message. args: Function to be called and extra positional args. kwargs: Extra kwargs. msg: Optional message used in case of failure. Can only be used when assertWarnsRegex is used as a context manager. �assertWarnsRegex)rl r] )r r� rO r* r+ r� r r r r. s zTestCase.assertWarnsRegexc C sJ t |ttf�rtj|�}|j|�sFd|j|f }| j||�}| j|��dS )z=Fail the test unless the text matches the regular expression.z&Regex didn't match: %r not found in %rN) r. r �bytesrM rN rd re rD rF )r �textrO rE rG r r r � assertRegex s zTestCase.assertRegexc C s` t |ttf�rtj|�}|j|�}|r\d||j� |j� � |j|f }| j ||�}| j |��dS )z9Fail the test if the text matches the regular expression.z"Regex matched: %r matches %r in %rN) r. r r/ rM rN rd �start�endre rD rF )r r0 Zunexpected_regexrE �matchrG r r r �assertNotRegex& s zTestCase.assertNotRegexc s � fdd�}|S )Nc s t jdj� j�td� � | |�S )NzPlease use {0} instead.r� )rU rV r` r rW )r* r+ )� original_funcr r �deprecated_func6 s z,TestCase._deprecate.<locals>.deprecated_funcr )r6 r7 r )r6 r � _deprecate5 s zTestCase._deprecatei� i )r� )N)N)N)N)NN)N)N)N)NNN)NNN)NN)N)N)N)N)N)N)N)N)N)N)N)N)N)N)N)N)N)N)N)N)N)]r r r r �AssertionErrorrF r� r r# Z_classSetupFailedr r� r� r� r� � classmethodr� r� r� r� r� r� r� r� r� r� r� r& r' �_subtest_msg_sentinelr� r� r� r� r� r� r� r� r� r� r� r� rD r� r� r� r� r� r� r� r� r� r r r� r� r� r r r r r� r r! r� r& r' r( r) r* r+ r r, r- r. r1 r5 r8 ZfailUnlessEqualZ assertEqualsZ failIfEqualZassertNotEqualsZfailUnlessAlmostEqualZassertAlmostEqualsZfailIfAlmostEqualZassertNotAlmostEqualsZ failUnlessZassert_ZfailUnlessRaisesZfailIfZassertRaisesRegexpZassertRegexpMatchesZassertNotRegexpMatchesr r r r r� f s� E ! ' c + ! r� c sj e Zd ZdZd� fdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z dd� Z � ZS )�FunctionTestCaseaI A test case that wraps a test function. This is useful for slipping pre-existing test functions into the unittest framework. Optionally, set-up and tidy-up functions can be supplied. As with TestCase, the tidy-up ('tearDown') function will always be called if the set-up ('setUp') function ran successfully. Nc s* t t| �j� || _|| _|| _|| _d S )N)�superr< r � _setUpFunc� _tearDownFunc� _testFunc� _description)r ZtestFuncr� r� Z description)r� r r r T s zFunctionTestCase.__init__c C s | j d k r| j � d S )N)r> )r r r r r� [ s zFunctionTestCase.setUpc C s | j d k r| j � d S )N)r? )r r r r r� _ s zFunctionTestCase.tearDownc C s | j � d S )N)r@ )r r r r r� c s zFunctionTestCase.runTestc C s | j jS )N)r@ r )r r r r r� f s zFunctionTestCase.idc C s@ t || j�stS | j|jko>| j|jko>| j|jko>| j|jkS )N)r. r� r� r> r? r@ rA )r r� r r r r� i s zFunctionTestCase.__eq__c C s t t| �| j| j| j| jf�S )N)r� r/ r> r? r@ rA )r r r r r� r s zFunctionTestCase.__hash__c C s dt | j�| jjf S )Nz%s (%s))r r� r@ r )r r r r r� v s zFunctionTestCase.__str__c C s dt | j�| jf S )Nz <%s tec=%s>)r r� r@ )r r r r r� z s zFunctionTestCase.__repr__c C s2 | j d k r| j S | jj}|r.|jd�d j� p0d S )Nr� r )rA r@ r r� r� )r r� r r r r� ~ s z!FunctionTestCase.shortDescription)NNN)r r r r r r� r� r� r� r� r� r� r� r� � __classcell__r r )r� r r< K s r< c sD e Zd Z� fdd�Zdd� Zdd� Zdd� Zd d � Zd d � Z� Z S ) r� c s( t � j� || _|| _|| _|j| _d S )N)r= r �_messager" r� rF )r r" rw r� )r� r r r � s z_SubTest.__init__c C s t d��d S )Nz subtests cannot be run directly)r� )r r r r r� � s z_SubTest.runTestc C sb g }| j tk r |jdj| j �� | jrTdjdd� t| jj� �D ��}|jdj|�� dj|�p`dS )Nz[{}]z, c s s | ]\}}d j ||�V qdS )z{}={!r}N)r` )r< �krv r r r r> � s z+_SubTest._subDescription.<locals>.<genexpr>z({})� z (<subtest>))rC r; r r` r� r� �sortedr )r �partsZ params_descr r r �_subDescription� s z_SubTest._subDescriptionc C s dj | jj� | j� �S )Nz{} {})r` r" r� rH )r r r r r� � s z _SubTest.idc C s | j j� S )zlReturns a one-line description of the subtest, or None if no description has been provided. )r" r� )r r r r r� � s z_SubTest.shortDescriptionc C s dj | j| j� �S )Nz{} {})r` r" rH )r r r r r� � s z_SubTest.__str__) r r r r r� rH r� r� r� rB r r )r� r r� � s r� )0r r r0 r rI r� r rM rU r� r& ra r� r �utilr r r r r Z __unittest�objectr; r � Exceptionr r r r r) r6 r8 r9 r r; rC rK rL r^ rl � namedtupler} r� r� r� r� r< r� r r r r �<module> sZ ( /%5 , l:
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