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Unit tests for L{twisted.python.constants}.
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NamedConstant�Names�
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Tests for the L{twisted.python.constants.NamedConstant} class which is used
to represent individual values.
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Create a dummy container into which constants can be placed.
c @ s e Zd ZdS )z%NamedConstantTests.setUp.<locals>.fooN)�__name__�
__module__� __qualname__� r r �D/usr/lib/python3/dist-packages/twisted/python/test/test_constants.py�foo$ s r N)r � container)�selfr r r r �setUp s
zNamedConstantTests.setUpc C s( t � }|�| jdd� | �d|j� dS )z�
The C{name} attribute of a L{NamedConstant} refers to the value passed
for the C{name} parameter to C{_realize}.
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The string representation of an instance of L{NamedConstant} includes
the container the instances belongs to as well as the instance's name.
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A L{NamedConstant} instance compares equal to itself.
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assertTrue� assertFalser r r r �
test_equality; s z NamedConstantTests.test_equalityc C sL t � }|�| jdd� t � }|�| jdd� | �||k� | �||k� dS )zf
Two different L{NamedConstant} instances do not compare equal to each
other.
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Because two different L{NamedConstant} instances do not compare as
equal to each other, they also have different hashes to avoid
collisions when added to a C{dict} or C{set}.
r N)r r r �assertNotEqual�hashr" r r r � test_hashP s
z NamedConstantTests.test_hashN)
r r r �__doc__r r r r! r% r( r r r r r s
r c @ s e Zd ZdZdd� Zdd� ZdS )�_ConstantsTestsMixinz\
Mixin defining test helpers common to multiple types of constants
collections.
c C s$ | � t|�}| �|d t|�� dS )z�
Assert that an attempt to instantiate the constants class raises
C{TypeError}.
@param name: A C{str} giving the name of the constants collection.
@param cls: The constants class to test.
z may not be instantiated.N)� assertRaises� TypeErrorr �str)r r �cls�excr r r �_notInstantiableTestc s z)_ConstantsTestsMixin._notInstantiableTestc C s& |j }t||� |j }| �||� dS )aX
Assert that C{container._enumerants} does not change as a side-effect
of one of its attributes being accessed.
@param container: A L{_ConstantsContainer} subclass which will be
tested.
@param constantName: The name of one of the constants which is an
attribute of C{container}.
N)� _enumerants�getattr�assertIs)r r � constantNamer# r$ r r r �_initializedOnceTestn s
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NamesTestszn
Tests for L{twisted.python.constants.Names}, a base class for containers of
related constraints.
c C r
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Create a fresh new L{Names} subclass for each unit test to use. Since
L{Names} is stateful, re-using the same subclass across test methods
makes exercising all of the implementation code paths difficult.
c @ s. e Zd ZdZe� Ze� Ze� Ze� Ze � Z
dS )z NamesTests.setUp.<locals>.METHODzm
A container for some named constants to use in unit tests for
L{Names}.
N) r r r r) r �GET�PUT�POST�DELETE�object�extrar r r r �METHOD� s
r> N)r r> )r r> r r r r � �
zNamesTests.setUpc C � | � d| j� dS )zm
A subclass of L{Names} raises C{TypeError} if an attempt is made to
instantiate it.
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Each name associated with a L{NamedConstant} instance in the definition
of a L{Names} subclass is available as an attribute on the resulting
class.
r8 r9 r: r; N)r �hasattrr> rA r r r �test_symbolicAttributes� s z"NamesTests.test_symbolicAttributesc C � | � t| jd�� dS )z�
As usual, names not defined in the class scope of a L{Names}
subclass are not available as attributes on the resulting class.
r N)r rD r> rA r r r �test_withoutOtherAttributes� � z&NamesTests.test_withoutOtherAttributesc C � | � dt| jj�� dS )z�
The string representation of a constant on a L{Names} subclass includes
the name of the L{Names} subclass and the name of the constant itself.
z <METHOD=GET>N)r r r> r8 rA r r r r � � z NamesTests.test_representationc C � | j �d�}| �| j j|� dS )zQ
Constants can be looked up by name using L{Names.lookupByName}.
r8 N)r> � lookupByNamer3 r8 �r �methodr r r �test_lookupByName� � z NamesTests.test_lookupByNamec C sL | � t| jjd� | � t| jjd� | � t| jjd� | � t| jjd� dS )z}
Names not defined with a L{NamedConstant} instance cannot be looked up
using L{Names.lookupByName}.
rL �__init__r r= N)r+ �
ValueErrorr> rL rA r r r �test_notLookupMissingByName� s z&NamesTests.test_notLookupMissingByNamec C � | � d| jjj� dS )zi
The C{name} attribute of one of the named constants gives that
constant's name.
r8 N)r r> r8 r rA r r r r � rH zNamesTests.test_namec C � | � | jj| jj� dS )z�
Repeated access of an attribute associated with a L{NamedConstant}
value in a L{Names} subclass results in the same object.
N)r3 r> r8 rA r r r �test_attributeIdentity� rJ z!NamesTests.test_attributeIdentityc C s6 t | j�� �}| �| jj| jj| jj| jjg|� dS )z�
L{Names.iterconstants} returns an iterator over all of the constants
defined in the class, in the order they were defined.
N)�listr> �
iterconstantsr r8 r9 r: r; �r � constantsr r r �test_iterconstants� s
�z NamesTests.test_iterconstantsc C sb t | j�� �}| �| jj|d � | �| jj|d � | �| jj|d � | �| jj|d � dS )z�
The constants returned from L{Names.iterconstants} are identical to the
constants accessible using attributes.
r � � � N)rW r> rX r3 r8 r9 r: r; rY r r r �#test_attributeIterconstantsIdentity� s
z.NamesTests.test_attributeIterconstantsIdentityc C sp t | j�� �}t | j�� �}| �|d |d � | �|d |d � | �|d |d � | �|d |d � dS )zw
The constants returned from L{Names.iterconstants} are identical on
each call to that method.
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L{Names._enumerants} is initialized once and its value re-used on
subsequent access.
r8 N)r5 r> rA r r r �test_initializedOnce� rC z NamesTests.test_initializedOncec s( G � fdd�d�}� � � jj|j� dS )z�
A constant defined on a L{Names} subclass may be set as an attribute of
another class and then retrieved using that attribute.
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A constant defined on a L{Names} subclass may be set as an attribute of
another class and then retrieved from an instance of that class using
that attribute.
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It is explicitly disallowed (via a L{ValueError}) to use a constant
defined on a L{Names} subclass as the value of an attribute of another
L{Names} subclass.
c s G � fdd�dt �} d S )Nc re )zXNamesTests.test_notAsAlternateContainerAttribute.<locals>.defineIt.<locals>.AnotherNamesNrf r rA r r � AnotherNames% ri rn )r )rn rA r r �defineIt$ s zBNamesTests.test_notAsAlternateContainerAttribute.<locals>.defineItzDCannot use <METHOD=GET> as the value of an attribute on AnotherNamesN)r+ rR r r- )r ro r/ r rA r �%test_notAsAlternateContainerAttribute s �z0NamesTests.test_notAsAlternateContainerAttributeN)r r r r) r rB rE rG r rO rS r rV r[ r_ rb rd rl rm rp r r r r r7 � s$
r7 c @ r6 )#� ValuesTestsz�
Tests for L{twisted.python.constants.Names}, a base class for containers of
related constraints with arbitrary values.
c C r
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Create a fresh new L{Values} subclass for each unit test to use. Since
L{Values} is stateful, re-using the same subclass across test methods
makes exercising all of the implementation code paths difficult.
c @ s e Zd Zed�Zed�ZdS )z!ValuesTests.setUp.<locals>.STATUS�200�404N)r r r r �OK� NOT_FOUNDr r r r �STATUS< s rv N)r
rv )r rv r r r r 5 s
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A subclass of L{Values} raises C{TypeError} if an attempt is made to
instantiate it.
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Each name associated with a L{ValueConstant} instance in the definition
of a L{Values} subclass is available as an attribute on the resulting
class.
rt ru N)r rD rv rA r r r rE I s z#ValuesTests.test_symbolicAttributesc C rF )z�
As usual, names not defined in the class scope of a L{Values}
subclass are not available as attributes on the resulting class.
r N)r rD rv rA r r r rG R rH z'ValuesTests.test_withoutOtherAttributesc C rI )z�
The string representation of a constant on a L{Values} subclass
includes the name of the L{Values} subclass and the name of the
constant itself.
z <STATUS=OK>N)r r rv rt rA r r r r Y s z ValuesTests.test_representationc C rK )zR
Constants can be looked up by name using L{Values.lookupByName}.
rt N)rv rL r3 rt rM r r r rO a rP z ValuesTests.test_lookupByNamec C �: | � t| jjd� | � t| jjd� | � t| jjd� dS )z~
Names not defined with a L{ValueConstant} instance cannot be looked up
using L{Values.lookupByName}.
rL rQ r N)r+ rR rv rL rA r r r rS h � z'ValuesTests.test_notLookupMissingByNamec C rK )z�
Constants can be looked up by their associated value, defined by the
argument passed to L{ValueConstant}, using L{Values.lookupByValue}.
rr N)rv �
lookupByValuer3 rt )r �statusr r r �test_lookupByValueq s z ValuesTests.test_lookupByValuec C �( G dd� dt �}| �|�d�|j� dS )z�
If more than one constant is associated with a particular value,
L{Values.lookupByValue} returns whichever of them is defined first.
c @ s e Zd ZdZed�Zed�ZdS )zBValuesTests.test_lookupDuplicateByValue.<locals>.TRANSPORT_MESSAGEzF
Message types supported by an SSH transport.
� N)r r r r) r �KEX_DH_GEX_REQUEST_OLD�
KEXDH_INITr r r r �TRANSPORT_MESSAGE s r� r} N)r
r3 ry r~ )r r� r r r �test_lookupDuplicateByValuey s
�z'ValuesTests.test_lookupDuplicateByValuec C rw )z�
L{Values.lookupByValue} raises L{ValueError} when called with a value
with which no constant is associated.
rt �� z200.1N)r+ rR rv ry rA r r r � test_notLookupMissingByValue� rx z(ValuesTests.test_notLookupMissingByValuec C rT )�c
The C{name} attribute of one of the constants gives that constant's
name.
rt N)r rv rt r rA r r r r � rH zValuesTests.test_namec C rU )z�
Repeated access of an attribute associated with a L{ValueConstant}
value in a L{Values} subclass results in the same object.
N)r3 rv rt rA r r r rV � rJ z"ValuesTests.test_attributeIdentityc C s* t | j�� �}| �| jj| jjg|� dS )z�
L{Values.iterconstants} returns an iterator over all of the constants
defined in the class, in the order they were defined.
N)rW rv rX r rt ru rY r r r r[ � s z ValuesTests.test_iterconstantsc C s: t | j�� �}| �| jj|d � | �| jj|d � dS )z�
The constants returned from L{Values.iterconstants} are identical to
the constants accessible using attributes.
r r\ N)rW rv rX r3 rt ru rY r r r r_ � s z/ValuesTests.test_attributeIterconstantsIdentityc C sH t | j�� �}t | j�� �}| �|d |d � | �|d |d � dS )zx
The constants returned from L{Values.iterconstants} are identical on
each call to that method.
r r\ N)rW rv rX r3 r` r r r rb � s z&ValuesTests.test_iterconstantsIdentityc C rc )zo
L{Values._enumerants} is initialized once and its value re-used on
subsequent access.
rt N)r5 rv rA r r r rd � rC z ValuesTests.test_initializedOnceN)r r r r) r rB rE rG r rO rS r{ r� r� r rV r[ r_ rb rd r r r r rq / s$
rq c @ � e Zd ZdZdd� ZdS )�_FlagsTestsMixinz�
Mixin defining setup code for any tests for L{Flags} subclasses.
@ivar FXF: A L{Flags} subclass created for each test method.
c C r
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Create a fresh new L{Flags} subclass for each unit test to use. Since
L{Flags} is stateful, re-using the same subclass across test methods
makes exercising all of the implementation code paths difficult.
c @ s, e Zd Ze� Ze� Ze� Zed�Ze� ZdS )z#_FlagsTestsMixin.setUp.<locals>.FXF� N) r r r r �READ�WRITE�APPEND� EXCLUSIVE�TEXTr r r r �FXF� s
r� N)r r� )r r� r r r r � r? z_FlagsTestsMixin.setUpN)r r r r) r r r r r r� � s r� c @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
d � Zd d
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dd� Zdd� Zdd� Zd d � Zd d � Zd S )!�
FlagsTestsz�
Tests for L{twisted.python.constants.Flags}, a base class for containers of
related, combinable flag or bitvector-like constants.
c C r@ )zm
A subclass of L{Flags} raises L{TypeError} if an attempt is made to
instantiate it.
r� N)r0 r� rA r r r rB � rC z FlagsTests.test_notInstantiablec C s^ | � t| jd�� | � t| jd�� | � t| jd�� | � t| jd�� | � t| jd�� dS )z�
Each name associated with a L{FlagConstant} instance in the definition
of a L{Flags} subclass is available as an attribute on the resulting
class.
r� r� r� r� r� N)r rD r� rA r r r rE � s
z"FlagsTests.test_symbolicAttributesc C rF )z�
As usual, names not defined in the class scope of a L{Flags} subclass
are not available as attributes on the resulting class.
r N)r rD r� rA r r r rG � rH z&FlagsTests.test_withoutOtherAttributesc C rI )z�
The string representation of a constant on a L{Flags} subclass includes
the name of the L{Flags} subclass and the name of the constant itself.
z
<FXF=READ>N)r r r� r� rA r r r r rJ z FlagsTests.test_representationc C rK )zQ
Constants can be looked up by name using L{Flags.lookupByName}.
r� N)r� rL r3 r� �r �flagr r r rO rP z FlagsTests.test_lookupByNamec C rw )z|
Names not defined with a L{FlagConstant} instance cannot be looked up
using L{Flags.lookupByName}.
rL rQ r N)r+ rR r� rL rA r r r rS rx z&FlagsTests.test_notLookupMissingByNamec C s� | j �d�}| �|| j j� | j �d�}| �|| j j� | j �d�}| �|| j j� | j �d�}| �|| j j� | j �d�}| �|| j j� dS )z�
Constants can be looked up by their associated value, defined
implicitly by the position in which the constant appears in the class
definition or explicitly by the argument passed to L{FlagConstant}.
r\ r] � r� �@ N)r� ry r3 r� r� r� r� r� r� r r r r{ s z FlagsTests.test_lookupByValuec C r| )z�
If more than one constant is associated with a particular value,
L{Flags.lookupByValue} returns whichever of them is defined first.
c @ s e Zd Zed�Zed�ZdS )z5FlagsTests.test_lookupDuplicateByValue.<locals>.TIMEXr\ N)r r r r �
ADJ_OFFSET�
MOD_OFFSETr r r r �TIMEX6 s r� r\ N)r r3 ry r� )r r� r r r r� 0 s z&FlagsTests.test_lookupDuplicateByValuec C s | � t| jjd� dS )z�
L{Flags.lookupByValue} raises L{ValueError} when called with a value
with which no constant is associated.
� N)r+ rR r� ry rA r r r r� ? rH z'FlagsTests.test_notLookupMissingByValuec C rT )r� r� N)r r� r� r rA r r r r F rH zFlagsTests.test_namec C rU )z�
Repeated access of an attribute associated with a L{FlagConstant} value
in a L{Flags} subclass results in the same object.
N)r3 r� r� rA r r r rV M rJ z!FlagsTests.test_attributeIdentityc C s< t | j�� �}| �| jj| jj| jj| jj| jjg|� dS )z�
L{Flags.iterconstants} returns an iterator over all of the constants
defined in the class, in the order they were defined.
N) rW r� rX r r� r� r� r� r� rY r r r r[ T s ��z FlagsTests.test_iterconstantsc C sv t | j�� �}| �| jj|d � | �| jj|d � | �| jj|d � | �| jj|d � | �| jj|d � dS )z�
The constants returned from L{Flags.iterconstants} are identical to the
constants accessible using attributes.
r r\ r] r^ r� N) rW r� rX r3 r� r� r� r� r� rY r r r r_ e s z.FlagsTests.test_attributeIterconstantsIdentityc C s� t | j�� �}t | j�� �}| �|d |d � | �|d |d � | �|d |d � | �|d |d � | �|d |d � dS )zw
The constants returned from L{Flags.iterconstants} are identical on
each call to that method.
r r\ r] r^ r� N)rW r� rX r3 r` r r r rb q s z%FlagsTests.test_iterconstantsIdentityc C rc )zn
L{Flags._enumerants} is initialized once and its value re-used on
subsequent access.
r� N)r5 r� rA r r r rd ~ rC z FlagsTests.test_initializedOnceN)r r r r) rB rE rG r rO rS r{ r� r� r rV r[ r_ rb rd r r r r r� � s"
r� c @ r )�FlagConstantSimpleOrTestsz�
Tests for the C{|} operator as defined for L{FlagConstant} instances, used
to create new L{FlagConstant} instances representing both of two existing
L{FlagConstant} instances from the same L{Flags} class.
c C s2 | j j| j jB }| �| j jj| j jjB |j� dS )z�
The value of the L{FlagConstant} which results from C{|} has all of the
bits set which were set in either of the values of the two original
constants.
N)r� r� r� r �valuer� r r r �
test_value� s "z$FlagConstantSimpleOrTests.test_valuec C s" | j j| j jB }| �d|j� dS )z�
The name of the L{FlagConstant} instance which results from C{|}
includes the names of both of the two original constants.
z {READ,WRITE}N)r� r� r� r r r� r r r r � s z#FlagConstantSimpleOrTests.test_namec C s$ | j j| j jB }| �dt|�� dS )z�
The string representation of a L{FlagConstant} instance which results
from C{|} includes the names of both of the two original constants.
z<FXF={READ,WRITE}>N)r� r� r� r r r� r r r r � s z-FlagConstantSimpleOrTests.test_representationc C sd | � t| jj| jj@ �t� � | � t| jj�| jjh� | � t| jj| jjB �| jj| jjh� dS )z�
A L{FlagConstant} instance which results from C{|} can be
iterated upon to yield the original constants.
N)r �setr� r� r� r� rA r r r � test_iterate� s �z&FlagConstantSimpleOrTests.test_iteratec C s4 | j j| j jB }| �| j j|� | �| j j|� dS )zj
A L{FlagConstant} instance which results from C{|} can be
tested for membership.
N)r� r� r� �assertIn� assertNotInr� )r �flagsr r r �test_membership� s z)FlagConstantSimpleOrTests.test_membershipc C s> | � | jj� | � | jj| jjB � | �| jj| jj@ � dS )z@
Empty flags is false, non-empty flags is true.
N)r r� r� r� r rA r r r �test_truthiness� s z)FlagConstantSimpleOrTests.test_truthinessN)
r r r r) r� r r r� r� r� r r r r r� � s r� c @ �( e Zd ZdZdd� Zdd� Zdd� ZdS ) �FlagConstantSimpleAndTestsz�
Tests for the C{&} operator as defined for L{FlagConstant} instances, used
to create new L{FlagConstant} instances representing the common parts of
two existing L{FlagConstant} instances from the same L{Flags} class.
c C s@ | j j| j jB }| j j| j jB }||@ }| �| j jj|j� dS )z�
The value of the L{FlagConstant} which results from C{&} has all of the
bits set which were set in both of the values of the two original
constants.
N�r� r� r� r� r r� �r � readWrite� writeAppendr� r r r r� � s z%FlagConstantSimpleAndTests.test_valuec C s: | j j| j jB }| j j| j jB }||@ }| �d|j� dS )z�
The name of the L{FlagConstant} instance which results from C{&}
includes the names of only the flags which were set in both of the two
original constants.
r� N�r� r� r� r� r r r� r r r r � � z$FlagConstantSimpleAndTests.test_namec C s< | j j| j jB }| j j| j jB }||@ }| �dt|�� dS )z�
The string representation of a L{FlagConstant} instance which results
from C{&} includes the names of only the flags which were set in both
both of the two original constants.
z <FXF=WRITE>N�r� r� r� r� r r r� r r r r � � z.FlagConstantSimpleAndTests.test_representationN�r r r r) r� r r r r r r r� � �
r� c @ r� ) �"FlagConstantSimpleExclusiveOrTestsz�
Tests for the C{^} operator as defined for L{FlagConstant} instances, used
to create new L{FlagConstant} instances representing the uncommon parts of
two existing L{FlagConstant} instances from the same L{Flags} class.
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L{twisted.python.constants._Constant.__lt__} returns C{NotImplemented}
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