def test_should_find_components_with_same_attributes_in_list(self):
componentinstance = ComponentModel(FakeObj, [], LifeStyle.transient())
componentinstance2nd = ComponentModel(FakeObj, [],
LifeStyle.transient())
componentset = ComponentSet()
componentset.add(componentinstance)
assert componentset.has_comp(componentinstance2nd)
def test_should_prevent_storing_duplicate_attributes_of_componentmodel(self):
componentset = ComponentSet()
componentinstance = ComponentModel(FakeObj, [], LifeStyle.transient())
componentinstance2nd = ComponentModel(FakeObj, [], LifeStyle.transient())
componentset.add(componentinstance)
try:
componentset.add(componentinstance2nd)
self.fail("should not happen")
except AttemptToAddDuplicateComponentModelToVisitedSet:
pass
def test_should_prevent_storing_duplicate_attributes_of_componentmodel(
self):
componentset = ComponentSet()
componentinstance = ComponentModel(FakeObj, [], LifeStyle.transient())
componentinstance2nd = ComponentModel(FakeObj, [],
LifeStyle.transient())
componentset.add(componentinstance)
try:
componentset.add(componentinstance2nd)
self.fail("should not happen")
except AttemptToAddDuplicateComponentModelToVisitedSet:
pass
def test_should_set_lifestyle(self):
self.pinsor.register(
Component.oftype(FakeObj).lifestyle(LifeStyle.transient())
)
fake1 = self.pinsor.resolve(FakeObj)
fake2 = self.pinsor.resolve(FakeObj)
self.assertNotEqual(id(fake1), id(fake2))
def recursewalk(self, graph, key, cls, instances, visitedset):
"""method responsible for walking the tree,
this is doing too much REFACTOR"""
clsout = cls
classkey = key
if cls == None:
clsout = self.__get_cls_from_graph(graph, classkey)
else:
classkey = self.__get_key_from_class_name(key, clsout)
instance = self.__find_instance(instances, classkey, clsout)
if instance is not None:
return instance
compmodel = self.__retrieval.get_component_model(
graph, classkey, clsout)
if visitedset.has_comp(compmodel):
raise CircularDependencyException
visitedset.add(compmodel)
resolveddeps = []
for dep in compmodel.depends:
if isinstance(dep, Config):
configmodel = graph[dep.comp_key]
resolveddeps.append(
self.recursewalk(graph, dep.comp_key,
configmodel.classtype, instances,
visitedset))
elif isinstance(dep, Instance):
resolveddeps.append(dep.arg)
else:
resolveddeps.append(
self.recursewalk(graph, None, dep, instances, visitedset))
built = self.__build_class(clsout, resolveddeps)
if compmodel.lifestyle is LifeStyle.singleton():
instances[classkey + str(clsout)] = built
return built
def oftype(clsobj):
"""factory for FluentService"""
fluent = FluentService()
defaultcomponent = ComponentModel(classtype=clsobj,
depends=[],
lifestyle=LifeStyle.singleton())
fluent.graphnode = GraphNode(key=clsobj.__name__,
component=defaultcomponent)
return fluent
def oftype(clsobj):
"""factory for FluentService"""
fluent = FluentService()
defaultcomponent = ComponentModel(
classtype=clsobj,
depends=[],
lifestyle = LifeStyle.singleton()
)
fluent.graphnode = GraphNode(key=clsobj.__name__,
component=defaultcomponent
)
return fluent
def addcomponent(self, clstype,
depends = [],
lifestyle = LifeStyle.singleton(),
key= None):
"""alternative way to register components. this is not the preferred
way but can be easier to use for those new to IoC containers"""
if key is None:
key = clstype.__name__
if key in self.__objectgraph:
raise KeyError
if type(depends) is not types.ListType:
raise TypeError(
"Depends parameter has to be of type List, not "\
+ str(type(depends))
)
self.__objectgraph[key] = ComponentModel(clstype, depends, lifestyle)
def addcomponent(self,
clstype,
depends=[],
lifestyle=LifeStyle.singleton(),
key=None):
"""alternative way to register components. this is not the preferred
way but can be easier to use for those new to IoC containers"""
if key is None:
key = clstype.__name__
if key in self.__objectgraph:
raise KeyError
if type(depends) is not types.ListType:
raise TypeError(
"Depends parameter has to be of type List, not "\
+ str(type(depends))
)
self.__objectgraph[key] = ComponentModel(clstype, depends, lifestyle)
def recursewalk(self, graph, key, cls, instances, visitedset):
"""method responsible for walking the tree,
this is doing too much REFACTOR"""
clsout = cls
classkey = key
if cls == None:
clsout = self._get_cls_from_graph(graph, classkey)
else:
classkey = self._get_key_from_class_name(key, clsout)
instance = self._find_instance(instances, classkey, clsout)
if instance is not None:
return instance
compmodel = self._retrieval.get_component_model(
graph, classkey, clsout
)
if visitedset.has_comp(compmodel):
raise CircularDependencyException
visitedset.add(compmodel)
resolveddeps = []
for dep in compmodel.depends:
if isinstance(dep, Config):
configmodel = graph[dep.comp_key]
resolveddeps.append(
self.recursewalk(
graph, dep.comp_key,
configmodel.classtype,
instances, visitedset
)
)
elif isinstance(dep, Instance):
resolveddeps.append(dep.arg)
else:
resolveddeps.append(
self.recursewalk(
graph, None, dep, instances,
visitedset
)
)
built = self._build_class(clsout, resolveddeps)
for i in compmodel.interceptors:
wrappublic(built, i)
if compmodel.lifestyle is LifeStyle.singleton():
instances[classkey+str(clsout)] = built
return built
def test_should_find_components_with_same_attributes_in_list(self):
componentinstance = ComponentModel(FakeObj, [], LifeStyle.transient())
componentinstance2nd = ComponentModel(FakeObj, [], LifeStyle.transient())
componentset = ComponentSet()
componentset.add(componentinstance)
assert componentset.has_comp(componentinstance2nd)
def test_should_set_multiple_options_at_once(self):
self.pinsor.register(
Component.oftype(FakeObj),
Component.oftype(NeedsFakeObj).depends([FakeObj]).named("needs").lifestyle(LifeStyle.transient())
)
com = self.pinsor.objectgraph["needs"]
self.assertEqual(NeedsFakeObj, com.classtype)
self.assertEqual("transient", com.lifestyle)
self.assertEqual(FakeObj, com.depends[0])
