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Tests for Twisted's deprecation framework, L{twisted.python.deprecate}.
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Mock of L{twisted.python.deprecate._DeprecatedAttribute}.
@ivar value: The value of the attribute.
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Get a known value.
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Tests for L{twisted.python.deprecate._ModuleProxy}, which proxies
access to module-level attributes, intercepting access to deprecated
attributes and passing through access to normal attributes.
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Create a temporary module proxy object.
@param **kw: Attributes to initialise on the temporary module object
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Getting a normal attribute on a L{twisted.python.deprecate._ModuleProxy}
retrieves the underlying attribute's value, and raises C{AttributeError}
if a non-existent attribute is accessed.
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Getting an attribute marked as being deprecated on
L{twisted.python.deprecate._ModuleProxy} results in calling the
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Private attributes of L{twisted.python.deprecate._ModuleProxy} are
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Setting attributes on L{twisted.python.deprecate._ModuleProxy} proxies
them through to the wrapped module.
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L{twisted.python.deprecated._ModuleProxy.__repr__} produces a string
containing the proxy type and a representation of the wrapped module
object.
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Tests for L{twisted.python.deprecate._DeprecatedAttribute} and
L{twisted.python.deprecate.deprecatedModuleAttribute}, which issue
warnings for deprecated module-level attributes.
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Create the warning string used by deprecated attributes.
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L{twisted.python.deprecate._DeprecatedAttribute} correctly sets its
__name__ to match that of the deprecated attribute and emits a warning
when the original attribute value is accessed.
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L{twisted.python.deprecate.deprecatedModuleAttribute} wraps a
module-level attribute in an object that emits a deprecation warning
when it is accessed the first time only, while leaving other unrelated
attributes alone.
r �DEPRECATED_ATTRIBUTErI r] rT N)
r �ANOTHER_ATTRIBUTEr_ �test_deprecatedAttributerE rb r= r: ra rY )r rd rc r! r! r" rg � s
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Deprecating an attribute in a module replaces and wraps that module
instance, in C{sys.modules}, with a
L{twisted.python.deprecate._ModuleProxy} instance but only if it hasn't
already been wrapped.
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addCleanup�popr1 r �deprecatedModuleAttributer rJ r: )r r4 r? r! r! r" �test_wrappedModule� s � �z+DeprecatedAttributeTests.test_wrappedModuleN) r( r) r* r+ rV rY r` rg rr r! r! r! r" rR � s
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Tests for L{deprecatedModuleAttribute} which involve loading a module via
'import'.
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from incremental import Version
deprecatedModuleAttribute(
Version('Package', 1, 2, 3), 'message', __name__, 'module')
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Create some files in a hierarchy, based on a dictionary describing those
files. The resulting hierarchy will be placed onto sys.path for the
duration of the test.
@param tree: A dictionary representing a directory structure. Keys are
strings, representing filenames, dictionary values represent
directories, string values represent file contents.
@return: another dictionary similar to the input, with file content
strings replaced with L{FilePath} objects pointing at where those
contents are now stored.
c sj i }|� � D ],\}}| �|�}t|t�r |||< |�|� qt|t�r/|�� � ||�||< qtd��|S )Nz(only strings and dicts allowed as values)r0 �child�
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pathEntryTree� s
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Add a sample module and package to the path, returning a L{FilePath}
pointing at the module which will be loadable as C{package.module}.
s packager� � )s __init__.py� module.pyr� )r� � _packageInitr� )r �pathsr! r! r" �simpleModuleEntry s
��� z.ImportedModuleAttributeTests.simpleModuleEntryc C sn ddl m} | �t|j�d��|� | �| jg�}| �t|�d� | �|d d d� | �|d d t � dS ) zB
Verification logic for L{test_deprecatedModule}.
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If L{deprecatedModuleAttribute} is used to deprecate a module attribute
of a package, only one deprecation warning is emitted when the
deprecated module is imported.
N)r� r� r& r! r! r" �test_deprecatedModule= s z2ImportedModuleAttributeTests.test_deprecatedModulec C s8 | � � }| �|� | �|� td�D ]}| �|� qdS )z�
If L{deprecatedModuleAttribute} is used to deprecate a module attribute
of a package, only one deprecation warning is emitted when the
deprecated module is subsequently imported.
rj N)r� r� �range)r �mp�xr! r! r" �"test_deprecatedModuleMultipleTimesE s
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Tests for L{twisted.python.deprecate.warnAboutFunction} which allows the
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c s� t | �� ��d�| _| j�� | j�d��d� | j�d��d� | j�d��d� | j�� j}tj� d|� | �
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Create a file that will have known line numbers when emitting warnings.
�twisted_private_helperz __init__.pyr� z module.pys
"A module string"
from twisted.python import deprecate
def testFunction():
"A doc string"
a = 1 + 2
return a
def callTestFunction():
b = testFunction()
if b == 3:
deprecate.warnAboutFunction(testFunction, "A Warning String")
z pep626.pysQ
"A module string"
from twisted.python import deprecate
def noop():
pass
def testFunction(a=1, b=1):
"A doc string"
if a:
if b:
noop()
else:
pass
def callTestFunction():
b = testFunction()
if b is None:
deprecate.warnAboutFunction(testFunction, "A Warning String")
r c s t j�� t j�� �fS r )rm rn �clear�updater! �rn r! r" �<lambda>� s z.WarnAboutFunctionTests.setUp.<locals>.<lambda>N)r r� rt r� r� rw �parentr� rm �insertro �removern r� r � isWindowsr_ )r � packagePathr! r� r" rV ` s"
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L{deprecate.warnAboutFunction} emits a warning the file and line number
of which point to the beginning of the implementation of the function
passed to it.
c S � d S r r! r! r! r! r" �aFunc� � z2WarnAboutFunctionTests.test_warning.<locals>.aFunczA Warning Messagez.pycN���r �filenamerT ) r �warnAboutFunctionr_ r� �lower�endswith�assertSamePathr rE )r r� rd r� r! r! r" � test_warning� s z#WarnAboutFunctionTests.test_warningc C � ddl m} |�� | �� }| �t|d d �d��| j�d�� d�� | �
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L{deprecate.warnAboutFunction} emits a C{DeprecationWarning} with the
number of a line within the implementation of the function passed to it.
r r� r� r� � twisted_private_helperr� �lineno� rT �A Warning StringrI N) r� r� �callTestFunctionr_ r� r r� r� �siblingrt rE rb �r r� rd r! r! r" �test_warningLineNumber� s �z-WarnAboutFunctionTests.test_warningLineNumberc C r� )
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L{deprecate.warnAboutFunction} emits a C{DeprecationWarning} with the
number of a line within the implementation handling the case in which
dis.findlinestarts returns the lines in random order.
r )�pep626r� r� r� s pep626.pyr� � rT r� rI N) r� r� r� r_ r� r r� r� r� rt rE rb )r r� rd r! r! r" �'test_warningLineNumberDisFindlinestarts� s �z>WarnAboutFunctionTests.test_warningLineNumberDisFindlinestartsc C s* | � t|j�t|j�k|�d|��� dS )a
Assert that the two paths are the same, considering case normalization
appropriate for the current platform.
@type first: L{FilePath}
@type second: L{FilePath}
@raise C{self.failureType}: If the paths are not the same.
z != N)�
assertTruer r� )r rh ri r! r! r" r� � s
�z%WarnAboutFunctionTests.assertSamePathc C s� ddl m} tjd= tj|j= | j�| j�d�� tr t� ddl m} | �
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Even if the implementation of a deprecated function is moved around on
the filesystem, the line number in the warning emitted by
L{deprecate.warnAboutFunction} points to a line in the implementation of
the deprecated function.
r r� r� s twisted_renamed_helper�twisted_renamed_helperr� r� r� r� r� rT r� rI N)r� r� rm rn r( r� �moveTor� r r� ro rp r� r_ � testFunctionr r� rt r� rE rb )r r� rd �
warnedPath� expectedPathr! r! r" �test_renamedFile� s&
� z'WarnAboutFunctionTests.test_renamedFilec C sJ t jdd�= t jddd� ddlm} |�� | �� }| �t|�d� dS )z�
L{deprecate.warnAboutFunction} emits a warning that will be filtered if
L{warnings.filterwarning} is called with the module name of the
deprecated function.
N�ignorer� ��actionr� r r� ) �warnings�filters�filterwarningsr� r� r� r_ rE rb r� r! r! r" �test_filteredWarning s z+WarnAboutFunctionTests.test_filteredWarningc C s� t jdd�= t jddd� ddlm} |�� |�� | �� }| �t|�d� |d d }|d d }|d d
}|d d }t � ||||�}| �
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L{deprecate.warnAboutFunction} emits a warning that will be filtered
once if L{warnings.filterwarning} is called with the module name of the
deprecated function and an action of once.
Nr� r� r� r r� rI rT r] r� r� z=module.py:9: DeprecationWarning: A Warning String
return a
zUnexpected warning string: ) r� r� r� r� r� r� r_ rE rb �
formatwarningr� r� )r r� rd rT r] r� r� �msgr! r! r" �test_filteredOnceWarning s$ ��z/WarnAboutFunctionTests.test_filteredOnceWarningN) r( r) r* r+ rV r� r� r� r� r� r� r� r! r! r! r" r� Z s =& r� c C � dS )zK
Do nothing.
This is used to test the deprecation decorators.
Nr! r! r! r! r" �
dummyCallable@ � r� c C r� )z[
Do nothing.
This is used to test the replacement parameter to L{deprecated}.
Nr! r! r! r! r" �dummyReplacementMethodH r� r� c @ sT e Zd Zdd� Zdd� Zdd� Zdd� Zd d
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dd� Z dS )�DeprecationWarningsTestsc C s, t dddd�}| �t| j|�dtf � dS )z�
L{getDeprecationWarningString} returns a string that tells us that a
callable was deprecated at a certain released version of Twisted.
rk rl r z\%s.DeprecationWarningsTests.test_getDeprecationWarningString was deprecated in Twisted 8.0.0N)r rE r � test_getDeprecationWarningStringr( �r rS r! r! r" r� Q s
��z9DeprecationWarningsTests.test_getDeprecationWarningStringc C s6 t dddd�}td }| �t| j||�dtf � dS )z�
L{getDeprecationWarningString} returns a string that tells us that a
callable was deprecated at a certain released version of Twisted, with
a message containing additional information about the deprecation.
rk rl r z: This is a messagezo%s.DeprecationWarningsTests.test_getDeprecationWarningString was deprecated in Twisted 8.0.0: This is a messageN)r r rE r r� r( )r rS �formatr! r! r" �*test_getDeprecationWarningStringWithFormat] s ���zCDeprecationWarningsTests.test_getDeprecationWarningStringWithFormatc s� t dddd�}t|�t�� � fdd�}tdd��6}td� |� | �|d jt� | �t|d j �t
t|�� | �|d j � d �t
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Decorating a callable with L{deprecated} emits a warning.
rk rl r c s
� � d S r r! r! ��dummyr! r" r\ t r$ zJDeprecationWarningsTests.test_deprecateEmitsWarning.<locals>.addStackLevelT��record�always�coN)r r r� r r rE r] ra �strrT r r� �rstripr� )r rS r\ �caughtr! r� r" �test_deprecateEmitsWarningm s � "�z3DeprecationWarningsTests.test_deprecateEmitsWarningc C sB t dddd�}t|�t�}| �tj|j� | �tt�t|�� dS )zK
The decorated function has the same name as the original.
rk rl r N)r r r� rE r( �fullyQualifiedName�r rS r� r! r! r" � test_deprecatedPreservesName� s z5DeprecationWarningsTests.test_deprecatedPreservesNamec C s$ t dddd�}| �dt|d�� dS )zr
L{_getDeprecationDocstring} returns a note about the deprecation to go
into a docstring.
rk rl r z Deprecated in Twisted 8.0.0.� N)r rE r r� r! r! r" � test_getDeprecationDocstring� s
�z5DeprecationWarningsTests.test_getDeprecationDocstringc C sF dd� }t dddd�}t|�|�}t|t|d�� | �|j|j� dS )zv
The docstring of the deprecated function is appended with information
about the deprecation.
c S r� )zc
Do nothing.
This is used to test the deprecation decorators.
Nr! r! r! r! r" �localDummyCallable� r� zTDeprecationWarningsTests.test_deprecatedUpdatesDocstring.<locals>.localDummyCallablerk rl r r� N)r r r r rE r+ )r r� rS r� r! r! r" � test_deprecatedUpdatesDocstring� s
z8DeprecationWarningsTests.test_deprecatedUpdatesDocstringc C s, t dddd�}t|�t�}| �||j� dS )zt
Deprecating a function adds version information to the decorated
version of that function.
rk rl r N)r r r� rE �deprecatedVersionr� r! r! r" �test_versionMetadata� s z-DeprecationWarningsTests.test_versionMetadatac C s: t dddd�}t| j|dd�}| �|dt| j�f � dS )a
L{getDeprecationWarningString} takes an additional replacement parameter
that can be used to add information to the deprecation. If the
replacement parameter is a string, it will be interpolated directly into
the result.
rk rl r �something.foobar�� replacementzG%s was deprecated in Twisted 8.0.0; please use something.foobar insteadN)r r r� rE r� �r rS �
warningStringr! r! r" �+test_getDeprecationWarningStringReplacement� s �
��zDDeprecationWarningsTests.test_getDeprecationWarningStringReplacementc C s< t dddd�}t| j|td�}| �|dt| j�tf � dS )a
L{getDeprecationWarningString} takes an additional replacement parameter
that can be used to add information to the deprecation. If the
replacement parameter is a callable, its fully qualified name will be
interpolated into the result.
rk rl r r� zP%s was deprecated in Twisted 8.0.0; please use %s.dummyReplacementMethod insteadN)r r r� r� rE r� r( r� r! r! r" �7test_getDeprecationWarningStringReplacementWithCallable� s � ��zPDeprecationWarningsTests.test_getDeprecationWarningStringReplacementWithCallableN) r( r) r* r� r� r� r� r� r� r� r� r� r! r! r! r" r� P s
r� rk rI rj � c @ s e Zd ZdZdS )�DeprecatedClasszJ
Class which is entirely deprecated without having a replacement.
N)r( r) r* r+ r! r! r! r" r� � s r� c @ s< e Zd ZdZdZeedddd��dd� �Zejd d� �ZdS )
�ClassWithDeprecatedPropertyz2
Class with a single deprecated property.
Nrk rI rj r� c C r% )zC
Getter docstring.
@return: The property.
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Setter docstring.
Nr� r r! r! r" r� � s
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Function with a deprecated keyword parameter.
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dS )�DeprecatedDecoratorTestsz*
Tests for deprecated decorators.
c C s | � |dd� |j�� D �� dS )a8
Check that C{target} object has the C{expected} docstring lines.
@param target: Object which is checked.
@type target: C{anything}
@param expected: List of lines, ignoring empty lines or leading or
trailing spaces.
@type expected: L{list} or L{str}
c S s g | ]
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<listcomp> s z<DeprecatedDecoratorTests.assertDocstring.<locals>.<listcomp>N)rE r+ �
splitlines)r �target�expectedr! r! r" �assertDocstring s �z(DeprecatedDecoratorTests.assertDocstringc C s~ t � }|j | �t jg d�� tdddd�t j_d}| �| jg�}| �dt|�� | �t |d d � | �||d d � d
S ) a%
When L{deprecatedProperty} is used on a C{property}, accesses raise a
L{DeprecationWarning} and getter docstring is updated to inform the
version in which it was deprecated. C{deprecatedVersion} attribute is
also set to inform the deprecation version.
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Tests for L{mutuallyExclusiveArguments}.
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)r r' r& r) r! r! r" r- � s z KeywordOnlyTests.checkPassedc C s� dd�dd�}dd�dd�}| � | �|ddd �td
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