def test_equal_if_same_field_values(self):
arg_binding_key_one = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
arg_binding_key_two = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
self.assertEqual(arg_binding_key_one, arg_binding_key_two)
self.assertEqual(hash(arg_binding_key_one), hash(arg_binding_key_two))
self.assertEqual(str(arg_binding_key_one), str(arg_binding_key_two))
def test_unequal_if_not_same_arg_name(self):
arg_binding_key_one = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
arg_binding_key_two = arg_binding_keys.ArgBindingKey(
'other-arg-name', binding_keys.new('other-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
self.assertNotEqual(arg_binding_key_one, arg_binding_key_two)
self.assertNotEqual(hash(arg_binding_key_one), hash(arg_binding_key_two))
self.assertNotEqual(str(arg_binding_key_one), str(arg_binding_key_two))
def test_equal_if_same_field_values(self):
arg_binding_key_one = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
arg_binding_key_two = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
self.assertEqual(arg_binding_key_one, arg_binding_key_two)
self.assertEqual(hash(arg_binding_key_one), hash(arg_binding_key_two))
self.assertEqual(str(arg_binding_key_one), str(arg_binding_key_two))
def test_multiple_provides_gives_multiple_bindings(self):
@decorators.provides('foo', annotated_with='foo-annot')
@decorators.provides('bar', annotated_with='bar-annot')
def provide_something(self):
pass
provider_fn_bindings = bindings.get_provider_fn_bindings(
provide_something, ['something'])
self.assertEqual(set([binding_keys.new('foo', annotated_with='foo-annot'),
binding_keys.new('bar', annotated_with='bar-annot')]),
set([provider_fn_binding.binding_key
for provider_fn_binding in provider_fn_bindings]))
def test_unequal_if_not_same_indirection(self):
arg_binding_key_one = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
arg_binding_key_two = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.NO_INDIRECTION)
self.assertNotEqual(arg_binding_key_one, arg_binding_key_two)
self.assertNotEqual(hash(arg_binding_key_one), hash(arg_binding_key_two))
# Strings will be equal, since indirection isn't part of the string.
self.assertEqual(str(arg_binding_key_one), str(arg_binding_key_two))
def test_multiple_provides_gives_multiple_bindings(self):
@decorators.provides('foo', annotated_with='foo-annot')
@decorators.provides('bar', annotated_with='bar-annot')
def provide_something(self):
pass
provider_fn_bindings = bindings.get_provider_fn_bindings(
provide_something, ['something'])
self.assertEqual(
set([binding_keys.new('foo', annotated_with='foo-annot'),
binding_keys.new('bar', annotated_with='bar-annot')]),
set([provider_fn_binding.binding_key
for provider_fn_binding in provider_fn_bindings]))
def test_unequal_if_not_same_arg_name(self):
arg_binding_key_one = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
arg_binding_key_two = arg_binding_keys.ArgBindingKey(
'other-arg-name',
binding_keys.new('other-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
self.assertNotEqual(arg_binding_key_one, arg_binding_key_two)
self.assertNotEqual(hash(arg_binding_key_one),
hash(arg_binding_key_two))
self.assertNotEqual(str(arg_binding_key_one), str(arg_binding_key_two))
def test_unequal_if_not_same_indirection(self):
arg_binding_key_one = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
arg_binding_key_two = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.NO_INDIRECTION)
self.assertNotEqual(arg_binding_key_one, arg_binding_key_two)
self.assertNotEqual(hash(arg_binding_key_one),
hash(arg_binding_key_two))
# Strings will be equal, since indirection isn't part of the string.
self.assertEqual(str(arg_binding_key_one), str(arg_binding_key_two))
def test_str(self):
arg_binding_key = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
self.assertEqual(
'the arg named "an-arg-name" annotated with "an-annotation"',
str(arg_binding_key))
def test_returns_required_binding(self):
self.required_bindings.require('an-arg-name', annotated_with='annot')
[required_binding] = self.required_bindings.get()
self.assertEqual(
binding_keys.new('an-arg-name', annotated_with='annot'),
required_binding.binding_key)
self.assertIn('required_bindings_test.py', required_binding.require_loc)
def test_get_child_successfully(self):
other_binding_key = binding_keys.new('bar')
new_injection_context = self.injection_context.get_child(
_UNUSED_INJECTION_SITE_FN,
bindings.new_binding_to_instance(other_binding_key,
'unused-instance', 'new-scope',
lambda: 'unused-desc'))
def test_uses_default_binding_when_arg_name_and_annotation_omitted(self):
@decorators.provides(in_scope='unused')
def provide_foo(self):
pass
[provider_fn_binding] = bindings.get_provider_fn_bindings(provide_foo, ['foo'])
self.assertEqual(binding_keys.new('foo'),
provider_fn_binding.binding_key)
def test_can_bind_to_class(self):
class SomeClass(object):
pass
self.binder.bind('an-arg-name', to_class=SomeClass)
[expected_binding] = [
b for b in self.collected_bindings
if b.binding_key == binding_keys.new('an-arg-name')]
def test_can_bind_to_instance(self):
an_instance = object()
self.binder.bind('an-arg-name', to_instance=an_instance)
[only_binding] = self.collected_bindings
self.assertEqual(binding_keys.new('an-arg-name'),
only_binding.binding_key)
self.assertIs(an_instance, call_provisor_fn(only_binding))
def test_can_bind_with_annotation(self):
self.binder.bind('an-arg-name', annotated_with='an-annotation',
to_instance='an-instance')
[only_binding] = self.collected_bindings
self.assertEqual(
binding_keys.new('an-arg-name', 'an-annotation'),
only_binding.binding_key)
def test_get_child_successfully(self):
other_binding_key = binding_keys.new('bar')
new_injection_context = self.injection_context.get_child(
_UNUSED_INJECTION_SITE_FN,
bindings.new_binding_to_instance(
other_binding_key, 'unused-instance', 'new-scope',
lambda: 'unused-desc'))
def test_str(self):
arg_binding_key = arg_binding_keys.ArgBindingKey(
'an-arg-name', binding_keys.new('an-arg-name', 'an-annotation'),
provider_indirections.INDIRECTION)
self.assertEqual(
'the arg named "an-arg-name" annotated with "an-annotation"',
str(arg_binding_key))
def test_can_bind_with_annotation(self):
self.binder.bind('an-arg-name',
annotated_with='an-annotation',
to_instance='an-instance')
[only_binding] = self.collected_bindings
self.assertEqual(binding_keys.new('an-arg-name', 'an-annotation'),
only_binding.binding_key)
def setUp(self):
class SomeClass(object):
pass
self.some_binding_key = binding_keys.new('some_class')
self.some_binding = new_in_default_scope(self.some_binding_key)
self.another_some_binding = new_in_default_scope(self.some_binding_key)
def test_returns_binding_for_input_class(self):
class SomeClass(object):
pass
[implicit_binding] = bindings_lib.get_implicit_class_bindings([SomeClass])
self.assertEqual(binding_keys.new('some_class'),
implicit_binding.binding_key)
self.assertEqual('a-provided-SomeClass', call_provisor_fn(implicit_binding))
def test_can_bind_to_instance(self):
an_instance = object()
self.binder.bind('an-arg-name', to_instance=an_instance)
[only_binding] = self.collected_bindings
self.assertEqual(binding_keys.new('an-arg-name'),
only_binding.binding_key)
self.assertIs(an_instance, call_provisor_fn(only_binding))
def test_uses_provided_fn_to_map_class_names_to_arg_names(self):
class SomeClass(object):
pass
[implicit_binding] = bindings_lib.get_implicit_class_bindings(
[SomeClass], get_arg_names_from_class_name=lambda _: ['foo'])
self.assertEqual(binding_keys.new('foo'), implicit_binding.binding_key)
def test_uses_provided_fn_to_map_class_names_to_arg_names(self):
class SomeClass(object):
pass
[implicit_binding] = bindings_lib.get_implicit_class_bindings(
[SomeClass], get_arg_names_from_class_name=lambda _: ['foo'])
self.assertEqual(binding_keys.new('foo'),
implicit_binding.binding_key)
def setUp(self):
class SomeClass(object):
pass
self.some_binding_key = binding_keys.new('some_class')
self.some_binding = new_in_default_scope(
self.some_binding_key, 'a-proviser-fn')
self.another_some_binding = new_in_default_scope(
self.some_binding_key, 'another-proviser-fn')
def test_colliding_bindings_raises_error(self):
binding_key = binding_keys.new('unused')
binding_one = new_in_default_scope(binding_key)
binding_two = new_in_default_scope(binding_key)
binding_mapping = bindings_lib.BindingMapping(
{}, {'colliding-binding-key': [binding_one, binding_two]})
self.assertRaises(errors.AmbiguousArgNameError, binding_mapping.get,
'colliding-binding-key', 'injection-site-desc')
def test_get_child_raises_error_when_scope_not_usable(self):
other_binding_key = binding_keys.new('bar')
self.assertRaises(
errors.BadDependencyScopeError, self.injection_context.get_child,
_UNUSED_INJECTION_SITE_FN,
bindings.new_binding_to_instance(
other_binding_key, 'unused-instance', 'unusable-scope',
lambda: 'unused-desc'))
def test_colliding_bindings_raises_error(self):
binding_key = binding_keys.new('unused')
binding_one = new_in_default_scope(binding_key)
binding_two = new_in_default_scope(binding_key)
binding_mapping = bindings_lib.BindingMapping(
{}, {'colliding-binding-key': [binding_one, binding_two]})
self.assertRaises(errors.AmbiguousArgNameError, binding_mapping.get,
'colliding-binding-key', 'injection-site-desc')
def setUp(self):
self.binding_key = binding_keys.new('foo')
injection_context_factory = injection_contexts.InjectionContextFactory(
lambda to_scope, from_scope: to_scope != 'unusable-scope')
top_injection_context = injection_context_factory.new()
self.injection_context = top_injection_context.get_child(
bindings.Binding(self.binding_key, 'unused-proviser-fn',
'curr-scope', 'unused-desc'))
def test_returns_binding_for_provider_fn(self):
class SomeBindingSpec(bindings_lib.BindingSpec):
def provide_foo(self):
return 'a-foo'
[implicit_binding] = bindings_lib.get_provider_bindings(SomeBindingSpec())
self.assertEqual(binding_keys.new('foo'),
implicit_binding.binding_key)
self.assertEqual('a-foo', call_provisor_fn(implicit_binding))
def test_returns_required_binding(self):
self.required_bindings.require('an-arg-name', annotated_with='annot')
[required_binding] = self.required_bindings.get()
self.assertEqual(
binding_keys.new('an-arg-name', annotated_with='annot'),
required_binding.binding_key)
self.assertIn('required_bindings_test.py',
required_binding.require_loc)
def test_returns_binding_for_correct_input_class(self):
class ClassOne(object):
pass
class ClassTwo(object):
pass
implicit_bindings = bindings_lib.get_implicit_class_bindings(
[ClassOne, ClassTwo])
for implicit_binding in implicit_bindings:
if (implicit_binding.binding_key ==
binding_keys.new('class_one')):
self.assertEqual(
'a-provided-ClassOne', call_provisor_fn(implicit_binding))
else:
self.assertEqual(implicit_binding.binding_key,
binding_keys.new('class_two'))
self.assertEqual(
'a-provided-ClassTwo', call_provisor_fn(implicit_binding))
def test_uses_default_binding_when_arg_name_and_annotation_omitted(self):
@decorators.provides(in_scope='unused')
def provide_foo(self):
pass
[provider_fn_binding] = bindings.get_provider_fn_bindings(
provide_foo, ['foo'])
self.assertEqual(binding_keys.new('foo'),
provider_fn_binding.binding_key)
def test_uses_provided_fn_to_map_class_names_to_arg_names(self):
class SomeClass(object):
@decorators.injectable
def __init__(self):
pass
[explicit_binding] = bindings_lib.get_explicit_class_bindings(
[SomeClass], get_arg_names_from_class_name=lambda _: ['foo'])
self.assertEqual(binding_keys.new('foo'),
explicit_binding.binding_key)
def test_returns_binding_for_input_explicitly_injected_class(self):
class SomeClass(object):
@decorators.injectable
def __init__(self):
pass
[explicit_binding] = bindings_lib.get_explicit_class_bindings([SomeClass])
self.assertEqual(binding_keys.new('some_class'),
explicit_binding.binding_key)
self.assertEqual('a-provided-SomeClass', call_provisor_fn(explicit_binding))
def test_uses_provided_fn_to_map_class_names_to_arg_names(self):
class SomeClass(object):
@decorators.injectable
def __init__(self):
pass
[explicit_binding] = bindings_lib.get_explicit_class_bindings(
[SomeClass], get_arg_names_from_class_name=lambda _: ['foo'])
self.assertEqual(binding_keys.new('foo'), explicit_binding.binding_key)
def test_returns_binding_for_correct_input_class(self):
class ClassOne(object):
pass
class ClassTwo(object):
pass
implicit_bindings = bindings_lib.get_implicit_class_bindings(
[ClassOne, ClassTwo])
for implicit_binding in implicit_bindings:
if (implicit_binding.binding_key == binding_keys.new('class_one')):
self.assertEqual('a-provided-ClassOne',
call_provisor_fn(implicit_binding))
else:
self.assertEqual(implicit_binding.binding_key,
binding_keys.new('class_two'))
self.assertEqual('a-provided-ClassTwo',
call_provisor_fn(implicit_binding))
def test_can_bind_to_class(self):
class SomeClass(object):
pass
self.binder.bind('an-arg-name', to_class=SomeClass)
[expected_binding] = [
b for b in self.collected_bindings
if b.binding_key == binding_keys.new('an-arg-name')
]
def test_get_child_raises_error_when_scope_not_usable(self):
other_binding_key = binding_keys.new('bar')
self.assertRaises(
errors.BadDependencyScopeError, self.injection_context.get_child,
_UNUSED_INJECTION_SITE_FN,
bindings.new_binding_to_instance(other_binding_key,
'unused-instance',
'unusable-scope',
lambda: 'unused-desc'))
def test_sets_arg_values(self):
@decorators.provides('an-arg-name', annotated_with='an-annotation',
in_scope='a-scope-id')
def provide_foo():
pass
[provider_fn_binding] = bindings.get_provider_fn_bindings(provide_foo, ['foo'])
self.assertEqual(binding_keys.new('an-arg-name', 'an-annotation'),
provider_fn_binding.binding_key)
self.assertEqual('a-scope-id', provider_fn_binding.scope_id)
def test_returns_binding_for_input_class(self):
class SomeClass(object):
pass
[implicit_binding
] = bindings_lib.get_implicit_class_bindings([SomeClass])
self.assertEqual(binding_keys.new('some_class'),
implicit_binding.binding_key)
self.assertEqual('a-provided-SomeClass',
call_provisor_fn(implicit_binding))
def test_returns_binding_for_provider_fn(self):
class SomeBindingSpec(bindings_lib.BindingSpec):
def provide_foo(self):
return 'a-foo'
[implicit_binding
] = bindings_lib.get_provider_bindings(SomeBindingSpec(),
scoping._BUILTIN_SCOPES)
self.assertEqual(binding_keys.new('foo'), implicit_binding.binding_key)
self.assertEqual('a-foo', call_provisor_fn(implicit_binding))
def test_sets_arg_values(self):
@decorators.provides('an-arg-name', annotated_with='an-annotation',
in_scope='a-scope-id')
def provide_foo():
pass
[provider_fn_binding] = bindings.get_provider_fn_bindings(
provide_foo, ['foo'])
self.assertEqual(binding_keys.new('an-arg-name', 'an-annotation'),
provider_fn_binding.binding_key)
self.assertEqual('a-scope-id', provider_fn_binding.scope_id)
def setUp(self):
self.binding_key = binding_keys.new('foo')
self.binding = bindings.new_binding_to_instance(
self.binding_key, 'an-instance', 'curr-scope',
lambda: 'unused-desc')
injection_context_factory = injection_contexts.InjectionContextFactory(
lambda to_scope, from_scope: to_scope != 'unusable-scope')
top_injection_context = injection_context_factory.new(
_UNUSED_INJECTION_SITE_FN)
self.injection_context = top_injection_context.get_child(
_UNUSED_INJECTION_SITE_FN, self.binding)
def setUp(self):
self.binding_key = binding_keys.new('foo')
self.binding = bindings.new_binding_to_instance(
self.binding_key, 'an-instance', 'curr-scope',
lambda: 'unused-desc')
injection_context_factory = injection_contexts.InjectionContextFactory(
lambda to_scope, from_scope: to_scope != 'unusable-scope')
top_injection_context = injection_context_factory.new(
_UNUSED_INJECTION_SITE_FN)
self.injection_context = top_injection_context.get_child(
_UNUSED_INJECTION_SITE_FN, self.binding)
def setUp(self):
self.binding_key = binding_keys.new('foo')
self.binding = bindings.Binding(
self.binding_key,
bindings.create_instance_proviser_fn(
self.binding_key, 'an-instance'),
'curr-scope', 'unused-desc')
injection_context_factory = injection_contexts.InjectionContextFactory(
lambda to_scope, from_scope: to_scope != 'unusable-scope')
top_injection_context = injection_context_factory.new()
self.injection_context = top_injection_context.get_child(self.binding)
def test_always_calls_provider_fn(self):
next_provided = [0]
def provider_fn():
provided = next_provided[0]
next_provided[0] += 1
return provided
scope = scoping.PrototypeScope()
binding_key = binding_keys.new('unused')
self.assertEqual(
list(range(10)),
[scope.provide(binding_key, provider_fn) for _ in range(10)])
def test_uses_provided_fn_to_map_provider_fn_names_to_arg_names(self):
class SomeBindingSpec(bindings_lib.BindingSpec):
def some_foo():
return 'a-foo'
def get_arg_names(fn_name):
return ['foo'] if fn_name == 'some_foo' else []
[implicit_binding] = bindings_lib.get_provider_bindings(
SomeBindingSpec(),
get_arg_names_from_provider_fn_name=get_arg_names)
self.assertEqual(binding_keys.new('foo'),
implicit_binding.binding_key)
def test_colliding_bindings_raises_error(self):
binding_key = binding_keys.new('unused')
binding_one = new_in_default_scope(
binding_key,
bindings_lib.create_instance_proviser_fn(binding_key, 'unused'))
binding_two = new_in_default_scope(
binding_key,
bindings_lib.create_instance_proviser_fn(binding_key, 'unused'))
binding_mapping = bindings_lib.BindingMapping(
{}, {'colliding-binding-key': [binding_one, binding_two]})
self.assertRaises(errors.AmbiguousArgNameError,
binding_mapping.get, 'colliding-binding-key')
def setUp(self):
class SomeClass(object):
pass
self.some_binding_key = binding_keys.new('some_class')
self.some_binding = new_in_default_scope(
self.some_binding_key,
bindings_lib.create_instance_proviser_fn(
self.some_binding_key, 'unused'))
self.another_some_binding = new_in_default_scope(
self.some_binding_key,
bindings_lib.create_instance_proviser_fn(
self.some_binding_key, 'also-unused'))
def test_returns_binding_for_input_explicitly_injected_class(self):
class SomeClass(object):
@decorators.injectable
def __init__(self):
pass
[explicit_binding
] = bindings_lib.get_explicit_class_bindings([SomeClass])
self.assertEqual(binding_keys.new('some_class'),
explicit_binding.binding_key)
self.assertEqual('a-provided-SomeClass',
call_provisor_fn(explicit_binding))
def test_uses_provided_fn_to_map_provider_fn_names_to_arg_names(self):
class SomeBindingSpec(bindings_lib.BindingSpec):
def some_foo():
return 'a-foo'
def get_arg_names(fn_name):
return ['foo'] if fn_name == 'some_foo' else []
[implicit_binding] = bindings_lib.get_provider_bindings(
SomeBindingSpec(),
scoping._BUILTIN_SCOPES,
get_arg_names_from_provider_fn_name=get_arg_names)
self.assertEqual(binding_keys.new('foo'), implicit_binding.binding_key)
def test_always_calls_provider_fn(self):
next_provided = [0]
def provider_fn():
provided = next_provided[0]
next_provided[0] += 1
return provided
scope = scoping.PrototypeScope()
binding_key = binding_keys.new('unused')
self.assertEqual(
range(10),
[scope.provide(binding_key, provider_fn) for _ in xrange(10)])
def test_without_annotation(self):
binding_key = binding_keys.new('an-arg-name')
self.assertEqual('the binding name "an-arg-name" (unannotated)',
str(binding_key))
def test_with_annotation(self):
binding_key = binding_keys.new('an-arg-name', 'an-annotation')
self.assertEqual(
'the binding name "an-arg-name" (annotated with "an-annotation")',
str(binding_key))
def test_get_sub_scope_successfully(self):
usable_binding = bindings.new_binding_to_instance(
binding_keys.new('foo'), 'unused-instance', 'usable-scope-id',
lambda: 'unused-desc')
self.assertEqual(
'usable-scope', self.bindable_scopes.get_sub_scope(usable_binding))
def setUp(self):
self.scope = scoping.SingletonScope()
self.binding_key_one = binding_keys.new('one')
self.binding_key_two = binding_keys.new('two')
self.provider_fn = lambda: object()
def test_get_sub_scope_successfully(self):
usable_binding = bindings.new_binding_to_instance(
binding_keys.new('foo'), 'unused-instance', 'usable-scope-id',
lambda: 'unused-desc')
self.assertEqual('usable-scope',
self.bindable_scopes.get_sub_scope(usable_binding))
def setUp(self):
self.scope = scoping.SingletonScope()
self.binding_key_one = binding_keys.new('one')
self.binding_key_two = binding_keys.new('two')
self.provider_fn = lambda: object()
