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Unit tests for L{twisted.python.constants}.
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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.
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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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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}.
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z NamedConstantTests.test_hashN)
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Mixin defining test helpers common to multiple types of constants
collections.
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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 �_notInstantiableTestb 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)Z _enumerants�getattr�assertIs)r r Z constantNamer# r$ r r r �_initializedOnceTestn s
z)_ConstantsTestsMixin._initializedOnceTestN)r r r r( r/ r2 r r r r r) ] s r) c @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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NamesTestszn
Tests for L{twisted.python.constants.Names}, a base class for containers of
related constraints.
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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.
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dS )z NamesTests.setUp.<locals>.METHODzm
A container for some named constants to use in unit tests for
L{Names}.
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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.
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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 r= r: r; r r r �test_withoutOtherAttributes� s z&NamesTests.test_withoutOtherAttributesc C s | � 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: r4 r; r r r r � s z NamesTests.test_representationc C s | j �d�}| �| j j|� dS )zQ
Constants can be looked up by name using L{Names.lookupByName}.
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Names not defined with a L{NamedConstant} instance cannot be looked up
using L{Names.lookupByName}.
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ValueErrorr: r@ r; r r r �test_notLookupMissingByName� s z&NamesTests.test_notLookupMissingByNamec C s | � d| jjj� dS )zi
The C{name} attribute of one of the named constants gives that
constant's name.
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Repeated access of an attribute associated with a L{NamedConstant}
value in a L{Names} subclass results in the same object.
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L{Names.iterconstants} returns an iterator over all of the constants
defined in the class, in the order they were defined.
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The constants returned from L{Names.iterconstants} are identical to the
constants accessible using attributes.
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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.
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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 s e Zd Z� jjZdS )zXNamesTests.test_notAsAlternateContainerAttribute.<locals>.defineIt.<locals>.AnotherNamesNrT r r; r r � AnotherNames/ s r[ )r )r[ r; r r �defineIt. s zBNamesTests.test_notAsAlternateContainerAttribute.<locals>.defineItzDCannot use <METHOD=GET> as the value of an attribute on AnotherNamesN)r* rE r r, )r r\ r. r r; r �%test_notAsAlternateContainerAttribute( s �z0NamesTests.test_notAsAlternateContainerAttributeN)r r r r( r r< r> r? r rC rF r rG rL rP rR rS rY rZ r] r r r r r3 � s"
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Tests for L{twisted.python.constants.Names}, a base class for containers of
related constraints with arbitrary values.
c C s G dd� dt �}|| _dS )z�
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.
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rb )r rb r r r r ? s zValuesTests.setUpc C s | � d| j� dS )zn
A subclass of L{Values} raises C{TypeError} if an attempt is made to
instantiate it.
rb N)r/ rb r; r r r r< L s z ValuesTests.test_notInstantiablec C s( | � t| jd�� | � t| jd�� dS )z�
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.
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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 r= rb r; r r r r? ^ s z'ValuesTests.test_withoutOtherAttributesc C s | � dt| jj�� dS )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 rb r` r; r r r r f s z ValuesTests.test_representationc C s | j �d�}| �| j j|� dS )zR
Constants can be looked up by name using L{Values.lookupByName}.
r` N)rb r@ r1 r` rA r r r rC o s z ValuesTests.test_lookupByNamec C s: | � t| jjd� | � t| jjd� | � t| jjd� dS )z~
Names not defined with a L{ValueConstant} instance cannot be looked up
using L{Values.lookupByName}.
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Constants can be looked up by their associated value, defined by the
argument passed to L{ValueConstant}, using L{Values.lookupByValue}.
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If more than one constant is associated with a particular value,
L{Values.lookupByValue} returns whichever of them is defined first.
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Message types supported by an SSH transport.
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L{Values.lookupByValue} raises L{ValueError} when called with a value
with which no constant is associated.
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The C{name} attribute of one of the constants gives that constant's
name.
r` N)r rb r` r r; r r r r � s zValuesTests.test_namec C s | � | jj| jj� dS )z�
Repeated access of an attribute associated with a L{ValueConstant}
value in a L{Values} subclass results in the same object.
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L{Values.iterconstants} returns an iterator over all of the constants
defined in the class, in the order they were defined.
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�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.
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The constants returned from L{Values.iterconstants} are identical on
each call to that method.
r rM N)rH rb rI r1 rQ r r r rR � s z&ValuesTests.test_iterconstantsIdentityc C s | � | jd� dS )zo
L{Values._enumerants} is initialized once and its value re-used on
subsequent access.
r` N)r2 rb r; r r r rS � s z ValuesTests.test_initializedOnceN)r r r r( r r< r> r? r rC rF rd rh rj r rG rL rP rR rS r r r r r^ : s"
r^ c @ s 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 s G dd� dt �}|| _dS )z�
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
rs N)r rs )r rs r r r r � s
z_FlagsTestsMixin.setUpN)r r r r( r r r r r rl � s rl c @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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FlagsTestsz�
Tests for L{twisted.python.constants.Flags}, a base class for containers of
related, combinable flag or bitvector-like constants.
c C s | � d| j� dS )zm
A subclass of L{Flags} raises L{TypeError} if an attempt is made to
instantiate it.
rs N)r/ rs r; r r r r< s 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.
rn ro rp rq rr N)r r= rs r; r r r r> s
z"FlagsTests.test_symbolicAttributesc C s | � t| jd�� dS )z�
As usual, names not defined in the class scope of a L{Flags} subclass
are not available as attributes on the resulting class.
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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 rs rn r; r r r r s z FlagsTests.test_representationc C s | j �d�}| �| j j|� dS )zQ
Constants can be looked up by name using L{Flags.lookupByName}.
rn N)rs r@ r1 rn �r �flagr r r rC % s z FlagsTests.test_lookupByNamec C s: | � t| jjd� | � t| jjd� | � t| jjd� dS )z|
Names not defined with a L{FlagConstant} instance cannot be looked up
using L{Flags.lookupByName}.
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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}.
rM rN � rm �@ N)rs rc r1 rn ro rp rq rr ru r r r rd 7 s z FlagsTests.test_lookupByValuec C s( G dd� dt �}| �|�d�|j� dS )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>.TIMEXrM N)r r r r �
ADJ_OFFSETZ
MOD_OFFSETr r r r �TIMEXR s rz rM N)r r1 rc ry )r rz r r r rh M 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.
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Repeated access of an attribute associated with a L{FlagConstant} value
in a L{Flags} subclass results in the same object.
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L{Flags.iterconstants} returns an iterator over all of the constants
defined in the class, in the order they were defined.
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The constants returned from L{Flags.iterconstants} are identical to the
constants accessible using attributes.
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The constants returned from L{Flags.iterconstants} are identical on
each call to that method.
r rM rN rO rw N)rH rs rI r1 rQ r r r rR � s z%FlagsTests.test_iterconstantsIdentityc C s | � | jd� dS )zn
L{Flags._enumerants} is initialized once and its value re-used on
subsequent access.
rn N)r2 rs r; r r r rS � s z FlagsTests.test_initializedOnceN)r r r r( r< r> r? r rC rF rd rh rj r rG rL rP rR rS r r r r rt � s
rt c @ s@ e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
d � Zd d
� Z dS )�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)rs rn ro r �valueru r r r �
test_value� s
�z$FlagConstantSimpleOrTests.test_valuec C s" | j j| j jB }| �d|j� dS )z�
The name of the L{FlagConstant} instance which results from C{|}
includes the names of both of the two original constants.
z {READ,WRITE}N)rs rn ro r r ru r r r r � s z#FlagConstantSimpleOrTests.test_namec C s$ | 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)rs rn ro r r ru r r r r � s z-FlagConstantSimpleOrTests.test_representationc C sn | � t| jj| jj@ �td�� | � t| jj�t| jjf�� | � t| jj| jjB �t| jj| jjf�� dS )z�
A L{FlagConstant} instance which results from C{|} can be
iterated upon to yield the original constants.
r N)r �setrs ro rn rq r; 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)rs ro rq ZassertInZ assertNotInrn )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 rs ro rq r r; 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 @ s( 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�rs rn ro rp r r} �r Z readWriteZ writeAppendrv 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.
ro N�rs rn ro rp r r r� r r r r � s 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.
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s z.FlagConstantSimpleAndTests.test_representationN�r r r r( r~ r r r r r r r� � s r� c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �"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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The value of the L{FlagConstant} which results from C{^} has all of the
bits set which were set in exactly one of the values of the two
original constants.
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The name of the L{FlagConstant} instance which results from C{^}
includes the names of only the flags which were set in exactly one of
the two original constants.
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The string representation of a L{FlagConstant} instance which results
from C{^} includes the names of only the flags which were set in
exactly one of the two original constants.
z<FXF={APPEND,READ}>Nr� r� r r r r 7 s z6FlagConstantSimpleExclusiveOrTests.test_representationNr� r r r r r� s r� c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �FlagConstantNegationTestsz�
Tests for the C{~} operator as defined for L{FlagConstant} instances, used
to create new L{FlagConstant} instances representing all the flags from a
L{Flags} class not set in a particular L{FlagConstant} instance.
c C s| | j j }| �| j jj| j jjB | j jjB | j jjB |j� | j j }| �| j jj| j jjB | j jjB | j jjB |j� dS )z�
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bits set which were not set in the original constant.
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The name of the L{FlagConstant} instance which results from C{~}
includes the names of all the flags which were not set in the original
constant.
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z#FlagConstantNegationTests.test_namec C s | j j }| �dt|�� dS )z�
The string representation of a L{FlagConstant} instance which results
from C{~} includes the names of all the flags which were not set in the
original constant.
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z-FlagConstantNegationTests.test_representationNr� r r r r r� D s
r� c @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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Tests for the ordering of constants. All constants are ordered by
the order in which they are defined in their container class.
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defined.
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L{twisted.python.constants.NamedConstant} preserves definition
order in C{<} comparisons.
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L{twisted.python.constants.NamedConstant} preserves definition
order in C{<=} comparisons.
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L{twisted.python.constants.NamedConstant} preserves definition
order in C{>} comparisons.
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L{twisted.python.constants.NamedConstant} preserves definition
order in C{>=} comparisons.
Nr� r; r r r � test_orderedNameConstants_ge� s z2OrderedConstantsTests.test_orderedNameConstants_gec C s( | � tjtjk � | � tjtjk � dS )zs
L{twisted.python.constants.ValueConstant} preserves definition
order in C{<} comparisons.
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L{twisted.python.constants.ValueConstant} preserves definition
order in C{<=} comparisons.
Nr� r; r r r � test_orderedValueConstants_le� s z3OrderedConstantsTests.test_orderedValueConstants_lec C s( | � tjtjk� | � tjtjk� dS )zs
L{twisted.python.constants.ValueConstant} preserves definition
order in C{>} comparisons.
N)r r� r� r� r� r; r r r � test_orderedValueConstants_gt� s z3OrderedConstantsTests.test_orderedValueConstants_gtc C s: | � tjtjk� | � tjtjk� | � tjtjk� dS )zt
L{twisted.python.constants.ValueConstant} preserves definition
order in C{>=} comparisons.
Nr� r; r r r � test_orderedValueConstants_ge� s z3OrderedConstantsTests.test_orderedValueConstants_gec C s( | � tjtjk � | � tjtjk � dS )zr
L{twisted.python.constants.FlagConstant} preserves definition
order in C{<} comparisons.
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L{twisted.python.constants.FlagConstant} preserves definition
order in C{<=} comparisons.
Nr� r; r r r � test_orderedFlagConstants_le� s z2OrderedConstantsTests.test_orderedFlagConstants_lec C s( | � tjtjk� | � tjtjk� dS )zr
L{twisted.python.constants.FlagConstant} preserves definition
order in C{>} comparisons.
N)r r� r� r� r� r; r r r � test_orderedFlagConstants_gt� s z2OrderedConstantsTests.test_orderedFlagConstants_gtc C s: | � tjtjk� | � tjtjk� | � tjtjk� dS )zs
L{twisted.python.constants.FlagConstant} preserves definition
order in C{>=} comparisons.
Nr� r; r r r � test_orderedFlagConstants_ge� s z2OrderedConstantsTests.test_orderedFlagConstants_gec C s | � ttj�tj�� dS )z�
L{twisted.python.constants._Constant.__lt__} returns C{NotImplemented}
when comparing constants of different types.
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L{twisted.python.constants._Constant.__le__} returns C{NotImplemented}
when comparing constants of different types.
N)r r� r� r� �__le__r� r; r r r �!test_orderedDifferentConstants_le� s �z7OrderedConstantsTests.test_orderedDifferentConstants_lec C s | � ttj�tj�� dS )z�
L{twisted.python.constants._Constant.__gt__} returns C{NotImplemented}
when comparing constants of different types.
N)r r� r� r� �__gt__r� r; r r r �!test_orderedDifferentConstants_gt s �z7OrderedConstantsTests.test_orderedDifferentConstants_gtc C s | � ttj�tj�� dS )z�
L{twisted.python.constants._Constant.__ge__} returns C{NotImplemented}
when comparing constants of different types.
N)r r� r� r� �__ge__r� r; r r r �!test_orderedDifferentConstants_ge s �z7OrderedConstantsTests.test_orderedDifferentConstants_gec C s | � ttj�tj�� dS )z�
L{twisted.python.constants._Constant.__lt__} returns C{NotImplemented}
when comparing constants belonging to different containers.
N)r r� r� r� r� �MoreNamedLettersr� r; r r r �"test_orderedDifferentContainers_lt s �z8OrderedConstantsTests.test_orderedDifferentContainers_ltc C s | � ttj�tj�� dS )z�
L{twisted.python.constants._Constant.__le__} returns C{NotImplemented}
when comparing constants belonging to different containers.
N)r r� r� r� r� r� r� r; r r r �"test_orderedDifferentContainers_le! s �z8OrderedConstantsTests.test_orderedDifferentContainers_lec C s | � ttj�tj�� dS )z�
L{twisted.python.constants._Constant.__gt__} returns C{NotImplemented}
when comparing constants belonging to different containers.
N)r r� r� r� r� r� r� r; r r r �"test_orderedDifferentContainers_gt, s �z8OrderedConstantsTests.test_orderedDifferentContainers_gtc C s | � ttj�tj�� dS )z�
L{twisted.python.constants._Constant.__ge__} returns C{NotImplemented}
when comparing constants belonging to different containers.
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Some more letters, with corresponding unicode values.
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Some pizza toppings, with obviously meaningful bitwise values.
rN r{ rw N)r r r r( r r� r� r� r r r r r� c s r� c @ s e Zd ZdZdd� ZdS )�ConstantsDeprecationTestsz4
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