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python3.2  3.2.2
Public Member Functions | Static Public Attributes
test.test_io.CMockNonBlockWriterIO Class Reference
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List of all members.

Public Member Functions

def pop_written
def block_on
def readable
def seekable
def writable
def write
def __new__
def register
def __instancecheck__
def __subclasscheck__

Static Public Attributes

 BlockingIOError = io.BlockingIOError

Detailed Description

Definition at line 251 of file test_io.py.


Member Function Documentation

def abc.ABCMeta.__instancecheck__ (   cls,
  instance 
) [inherited]
Override for isinstance(instance, cls).

Definition at line 158 of file abc.py.

00158 
00159     def __instancecheck__(cls, instance):
00160         """Override for isinstance(instance, cls)."""
00161         # Inline the cache checking
00162         subclass = instance.__class__
00163         if subclass in cls._abc_cache:
00164             return True
00165         subtype = type(instance)
00166         if subtype is subclass:
00167             if (cls._abc_negative_cache_version ==
00168                 ABCMeta._abc_invalidation_counter and
00169                 subclass in cls._abc_negative_cache):
00170                 return False
00171             # Fall back to the subclass check.
00172             return cls.__subclasscheck__(subclass)
00173         return any(cls.__subclasscheck__(c) for c in {subclass, subtype})

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def abc.ABCMeta.__new__ (   mcls,
  name,
  bases,
  namespace 
) [inherited]

Definition at line 116 of file abc.py.

00116 
00117     def __new__(mcls, name, bases, namespace):
00118         cls = super().__new__(mcls, name, bases, namespace)
00119         # Compute set of abstract method names
00120         abstracts = {name
00121                      for name, value in namespace.items()
00122                      if getattr(value, "__isabstractmethod__", False)}
00123         for base in bases:
00124             for name in getattr(base, "__abstractmethods__", set()):
00125                 value = getattr(cls, name, None)
00126                 if getattr(value, "__isabstractmethod__", False):
00127                     abstracts.add(name)
00128         cls.__abstractmethods__ = frozenset(abstracts)
00129         # Set up inheritance registry
00130         cls._abc_registry = WeakSet()
00131         cls._abc_cache = WeakSet()
00132         cls._abc_negative_cache = WeakSet()
00133         cls._abc_negative_cache_version = ABCMeta._abc_invalidation_counter
00134         return cls

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def abc.ABCMeta.__subclasscheck__ (   cls,
  subclass 
) [inherited]
Override for issubclass(subclass, cls).

Definition at line 174 of file abc.py.

00174 
00175     def __subclasscheck__(cls, subclass):
00176         """Override for issubclass(subclass, cls)."""
00177         # Check cache
00178         if subclass in cls._abc_cache:
00179             return True
00180         # Check negative cache; may have to invalidate
00181         if cls._abc_negative_cache_version < ABCMeta._abc_invalidation_counter:
00182             # Invalidate the negative cache
00183             cls._abc_negative_cache = WeakSet()
00184             cls._abc_negative_cache_version = ABCMeta._abc_invalidation_counter
00185         elif subclass in cls._abc_negative_cache:
00186             return False
00187         # Check the subclass hook
00188         ok = cls.__subclasshook__(subclass)
00189         if ok is not NotImplemented:
00190             assert isinstance(ok, bool)
00191             if ok:
00192                 cls._abc_cache.add(subclass)
00193             else:
00194                 cls._abc_negative_cache.add(subclass)
00195             return ok
00196         # Check if it's a direct subclass
00197         if cls in getattr(subclass, '__mro__', ()):
00198             cls._abc_cache.add(subclass)
00199             return True
00200         # Check if it's a subclass of a registered class (recursive)
00201         for rcls in cls._abc_registry:
00202             if issubclass(subclass, rcls):
00203                 cls._abc_cache.add(subclass)
00204                 return True
00205         # Check if it's a subclass of a subclass (recursive)
00206         for scls in cls.__subclasses__():
00207             if issubclass(subclass, scls):
00208                 cls._abc_cache.add(subclass)
00209                 return True
00210         # No dice; update negative cache
00211         cls._abc_negative_cache.add(subclass)
00212         return False

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def test.test_io.MockNonBlockWriterIO.block_on (   self,
  char 
) [inherited]
Block when a given char is encountered.

Definition at line 223 of file test_io.py.

00223 
00224     def block_on(self, char):
00225         """Block when a given char is encountered."""
00226         self._blocker_char = char

Definition at line 218 of file test_io.py.

00218 
00219     def pop_written(self):
00220         s = b"".join(self._write_stack)
00221         self._write_stack[:] = []
00222         return s

def test.test_io.MockNonBlockWriterIO.readable (   self) [inherited]

Definition at line 227 of file test_io.py.

00227 
00228     def readable(self):
00229         return True

def abc.ABCMeta.register (   cls,
  subclass 
) [inherited]
Register a virtual subclass of an ABC.

Definition at line 135 of file abc.py.

00135 
00136     def register(cls, subclass):
00137         """Register a virtual subclass of an ABC."""
00138         if not isinstance(subclass, type):
00139             raise TypeError("Can only register classes")
00140         if issubclass(subclass, cls):
00141             return  # Already a subclass
00142         # Subtle: test for cycles *after* testing for "already a subclass";
00143         # this means we allow X.register(X) and interpret it as a no-op.
00144         if issubclass(cls, subclass):
00145             # This would create a cycle, which is bad for the algorithm below
00146             raise RuntimeError("Refusing to create an inheritance cycle")
00147         cls._abc_registry.add(subclass)
00148         ABCMeta._abc_invalidation_counter += 1  # Invalidate negative cache

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def test.test_io.MockNonBlockWriterIO.seekable (   self) [inherited]

Definition at line 230 of file test_io.py.

00230 
00231     def seekable(self):
00232         return True

def test.test_io.MockNonBlockWriterIO.writable (   self) [inherited]

Definition at line 233 of file test_io.py.

00233 
00234     def writable(self):
00235         return True

def test.test_io.MockNonBlockWriterIO.write (   self,
  b 
) [inherited]

Definition at line 236 of file test_io.py.

00236 
00237     def write(self, b):
00238         b = bytes(b)
00239         n = -1
00240         if self._blocker_char:
00241             try:
00242                 n = b.index(self._blocker_char)
00243             except ValueError:
00244                 pass
00245             else:
00246                 self._blocker_char = None
00247                 self._write_stack.append(b[:n])
00248                 raise self.BlockingIOError(0, "test blocking", n)
00249         self._write_stack.append(b)
00250         return len(b)


Member Data Documentation

Definition at line 252 of file test_io.py.


The documentation for this class was generated from the following file: