mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-22 09:36:48 +03:00
444 lines
15 KiB
Python
444 lines
15 KiB
Python
"""Dependency injector declarative catalog unittests."""
|
|
|
|
import unittest2 as unittest
|
|
|
|
from dependency_injector import (
|
|
catalogs,
|
|
providers,
|
|
injections,
|
|
errors,
|
|
)
|
|
|
|
|
|
class CatalogA(catalogs.DeclarativeCatalog):
|
|
"""Test catalog A."""
|
|
|
|
p11 = providers.Provider()
|
|
p12 = providers.Provider()
|
|
|
|
|
|
class CatalogB(CatalogA):
|
|
"""Test catalog B."""
|
|
|
|
p21 = providers.Provider()
|
|
p22 = providers.Provider()
|
|
|
|
|
|
class DeclarativeCatalogTests(unittest.TestCase):
|
|
"""Declarative catalog tests."""
|
|
|
|
def test_cls_providers(self):
|
|
"""Test `di.DeclarativeCatalog.cls_providers` contents."""
|
|
class CatalogA(catalogs.DeclarativeCatalog):
|
|
"""Test catalog A."""
|
|
|
|
p11 = providers.Provider()
|
|
p12 = providers.Provider()
|
|
|
|
class CatalogB(CatalogA):
|
|
"""Test catalog B."""
|
|
|
|
p21 = providers.Provider()
|
|
p22 = providers.Provider()
|
|
self.assertDictEqual(CatalogA.cls_providers,
|
|
dict(p11=CatalogA.p11,
|
|
p12=CatalogA.p12))
|
|
self.assertDictEqual(CatalogB.cls_providers,
|
|
dict(p21=CatalogB.p21,
|
|
p22=CatalogB.p22))
|
|
|
|
def test_inherited_providers(self):
|
|
"""Test `di.DeclarativeCatalog.inherited_providers` contents."""
|
|
self.assertDictEqual(CatalogA.inherited_providers, dict())
|
|
self.assertDictEqual(CatalogB.inherited_providers,
|
|
dict(p11=CatalogA.p11,
|
|
p12=CatalogA.p12))
|
|
|
|
def test_providers(self):
|
|
"""Test `di.DeclarativeCatalog.inherited_providers` contents."""
|
|
self.assertDictEqual(CatalogA.providers,
|
|
dict(p11=CatalogA.p11,
|
|
p12=CatalogA.p12))
|
|
self.assertDictEqual(CatalogB.providers,
|
|
dict(p11=CatalogA.p11,
|
|
p12=CatalogA.p12,
|
|
p21=CatalogB.p21,
|
|
p22=CatalogB.p22))
|
|
|
|
def test_bind_provider(self):
|
|
"""Test setting of provider via bind_provider() to catalog."""
|
|
px = providers.Provider()
|
|
py = providers.Provider()
|
|
|
|
CatalogA.bind_provider('px', px)
|
|
CatalogA.bind_provider('py', py)
|
|
|
|
self.assertIs(CatalogA.px, px)
|
|
self.assertIs(CatalogA.get_provider('px'), px)
|
|
|
|
self.assertIs(CatalogA.py, py)
|
|
self.assertIs(CatalogA.get_provider('py'), py)
|
|
|
|
del CatalogA.px
|
|
del CatalogA.py
|
|
|
|
def test_bind_existing_provider(self):
|
|
"""Test setting of provider via bind_provider() to catalog."""
|
|
with self.assertRaises(errors.Error):
|
|
CatalogA.p11 = providers.Provider()
|
|
|
|
with self.assertRaises(errors.Error):
|
|
CatalogA.bind_provider('p11', providers.Provider())
|
|
|
|
def test_bind_provider_with_valid_provided_type(self):
|
|
"""Test setting of provider with provider type restriction."""
|
|
class SomeProvider(providers.Provider):
|
|
"""Some provider."""
|
|
|
|
class SomeCatalog(catalogs.DeclarativeCatalog):
|
|
"""Some catalog with provider type restriction."""
|
|
|
|
provider_type = SomeProvider
|
|
|
|
px = SomeProvider()
|
|
py = SomeProvider()
|
|
|
|
SomeCatalog.bind_provider('px', px)
|
|
SomeCatalog.py = py
|
|
|
|
self.assertIs(SomeCatalog.px, px)
|
|
self.assertIs(SomeCatalog.get_provider('px'), px)
|
|
|
|
self.assertIs(SomeCatalog.py, py)
|
|
self.assertIs(SomeCatalog.get_provider('py'), py)
|
|
|
|
def test_bind_provider_with_invalid_provided_type(self):
|
|
"""Test setting of provider with provider type restriction."""
|
|
class SomeProvider(providers.Provider):
|
|
"""Some provider."""
|
|
|
|
class SomeCatalog(catalogs.DeclarativeCatalog):
|
|
"""Some catalog with provider type restriction."""
|
|
|
|
provider_type = SomeProvider
|
|
|
|
px = providers.Provider()
|
|
|
|
with self.assertRaises(errors.Error):
|
|
SomeCatalog.bind_provider('px', px)
|
|
|
|
with self.assertRaises(errors.Error):
|
|
SomeCatalog.px = px
|
|
|
|
with self.assertRaises(errors.Error):
|
|
SomeCatalog.bind_providers(dict(px=px))
|
|
|
|
def test_bind_providers(self):
|
|
"""Test setting of provider via bind_providers() to catalog."""
|
|
px = providers.Provider()
|
|
py = providers.Provider()
|
|
|
|
CatalogB.bind_providers(dict(px=px, py=py))
|
|
|
|
self.assertIs(CatalogB.px, px)
|
|
self.assertIs(CatalogB.get_provider('px'), px)
|
|
|
|
self.assertIs(CatalogB.py, py)
|
|
self.assertIs(CatalogB.get_provider('py'), py)
|
|
|
|
del CatalogB.px
|
|
del CatalogB.py
|
|
|
|
def test_setattr(self):
|
|
"""Test setting of providers via attributes to catalog."""
|
|
px = providers.Provider()
|
|
py = providers.Provider()
|
|
|
|
CatalogB.px = px
|
|
CatalogB.py = py
|
|
|
|
self.assertIs(CatalogB.px, px)
|
|
self.assertIs(CatalogB.get_provider('px'), px)
|
|
|
|
self.assertIs(CatalogB.py, py)
|
|
self.assertIs(CatalogB.get_provider('py'), py)
|
|
|
|
del CatalogB.px
|
|
del CatalogB.py
|
|
|
|
def test_unbind_provider(self):
|
|
"""Test that catalog unbinds provider correct."""
|
|
CatalogB.px = providers.Provider()
|
|
CatalogB.unbind_provider('px')
|
|
self.assertFalse(CatalogB.has_provider('px'))
|
|
|
|
def test_unbind_via_delattr(self):
|
|
"""Test that catalog unbinds provider correct."""
|
|
CatalogB.px = providers.Provider()
|
|
del CatalogB.px
|
|
self.assertFalse(CatalogB.has_provider('px'))
|
|
|
|
def test_provider_is_bound(self):
|
|
"""Test that providers are bound to the catalogs."""
|
|
self.assertTrue(CatalogA.is_provider_bound(CatalogA.p11))
|
|
self.assertEquals(CatalogA.get_provider_bind_name(CatalogA.p11), 'p11')
|
|
|
|
self.assertTrue(CatalogA.is_provider_bound(CatalogA.p12))
|
|
self.assertEquals(CatalogA.get_provider_bind_name(CatalogA.p12), 'p12')
|
|
|
|
def test_provider_binding_to_different_catalogs(self):
|
|
"""Test that provider could be bound to different catalogs."""
|
|
p11 = CatalogA.p11
|
|
p12 = CatalogA.p12
|
|
|
|
class CatalogD(catalogs.DeclarativeCatalog):
|
|
"""Test catalog."""
|
|
|
|
pd1 = p11
|
|
pd2 = p12
|
|
|
|
class CatalogE(catalogs.DeclarativeCatalog):
|
|
"""Test catalog."""
|
|
|
|
pe1 = p11
|
|
pe2 = p12
|
|
|
|
self.assertTrue(CatalogA.is_provider_bound(p11))
|
|
self.assertTrue(CatalogD.is_provider_bound(p11))
|
|
self.assertTrue(CatalogE.is_provider_bound(p11))
|
|
self.assertEquals(CatalogA.get_provider_bind_name(p11), 'p11')
|
|
self.assertEquals(CatalogD.get_provider_bind_name(p11), 'pd1')
|
|
self.assertEquals(CatalogE.get_provider_bind_name(p11), 'pe1')
|
|
|
|
self.assertTrue(CatalogA.is_provider_bound(p12))
|
|
self.assertTrue(CatalogD.is_provider_bound(p12))
|
|
self.assertTrue(CatalogE.is_provider_bound(p12))
|
|
self.assertEquals(CatalogA.get_provider_bind_name(p12), 'p12')
|
|
self.assertEquals(CatalogD.get_provider_bind_name(p12), 'pd2')
|
|
self.assertEquals(CatalogE.get_provider_bind_name(p12), 'pe2')
|
|
|
|
def test_provider_rebinding_to_the_same_catalog(self):
|
|
"""Test provider rebinding to the same catalog."""
|
|
with self.assertRaises(errors.Error):
|
|
class TestCatalog(catalogs.DeclarativeCatalog):
|
|
"""Test catalog."""
|
|
|
|
p1 = providers.Provider()
|
|
p2 = p1
|
|
|
|
def test_provider_rebinding_to_the_same_catalogs_hierarchy(self):
|
|
"""Test provider rebinding to the same catalogs hierarchy."""
|
|
class TestCatalog1(catalogs.DeclarativeCatalog):
|
|
"""Test catalog."""
|
|
|
|
p1 = providers.Provider()
|
|
|
|
with self.assertRaises(errors.Error):
|
|
class TestCatalog2(TestCatalog1):
|
|
"""Test catalog."""
|
|
|
|
p2 = TestCatalog1.p1
|
|
|
|
def test_get(self):
|
|
"""Test getting of providers using get() method."""
|
|
self.assertIs(CatalogB.get_provider('p11'), CatalogB.p11)
|
|
self.assertIs(CatalogB.get_provider('p12'), CatalogB.p12)
|
|
self.assertIs(CatalogB.get_provider('p22'), CatalogB.p22)
|
|
self.assertIs(CatalogB.get_provider('p22'), CatalogB.p22)
|
|
|
|
def test_get_undefined(self):
|
|
"""Test getting of undefined providers using get() method."""
|
|
with self.assertRaises(errors.UndefinedProviderError):
|
|
CatalogB.get('undefined')
|
|
|
|
with self.assertRaises(errors.UndefinedProviderError):
|
|
CatalogB.get_provider('undefined')
|
|
|
|
with self.assertRaises(errors.UndefinedProviderError):
|
|
CatalogB.undefined
|
|
|
|
def test_has(self):
|
|
"""Test checks of providers availability in catalog."""
|
|
self.assertTrue(CatalogB.has_provider('p11'))
|
|
self.assertTrue(CatalogB.has_provider('p12'))
|
|
self.assertTrue(CatalogB.has_provider('p21'))
|
|
self.assertTrue(CatalogB.has_provider('p22'))
|
|
self.assertFalse(CatalogB.has_provider('undefined'))
|
|
|
|
def test_filter_all_providers_by_type(self):
|
|
"""Test getting of all catalog providers of specific type."""
|
|
self.assertTrue(len(CatalogB.filter(providers.Provider)) == 4)
|
|
self.assertTrue(len(CatalogB.filter(providers.Object)) == 0)
|
|
|
|
def test_repr(self):
|
|
"""Test catalog representation."""
|
|
self.assertIn('CatalogA', repr(CatalogA))
|
|
self.assertIn('p11', repr(CatalogA))
|
|
self.assertIn('p12', repr(CatalogA))
|
|
|
|
self.assertIn('CatalogB', repr(CatalogB))
|
|
self.assertIn('p11', repr(CatalogB))
|
|
self.assertIn('p12', repr(CatalogB))
|
|
self.assertIn('p21', repr(CatalogB))
|
|
self.assertIn('p22', repr(CatalogB))
|
|
|
|
|
|
class TestCatalogWithProvidingCallbacks(unittest.TestCase):
|
|
"""Catalog with providing callback tests."""
|
|
|
|
def test_concept(self):
|
|
"""Test concept."""
|
|
class UsersService(object):
|
|
"""Users service, that has dependency on database."""
|
|
|
|
class AuthService(object):
|
|
"""Auth service, that has dependencies on users service."""
|
|
|
|
def __init__(self, users_service):
|
|
"""Initializer."""
|
|
self.users_service = users_service
|
|
|
|
class Services(catalogs.DeclarativeCatalog):
|
|
"""Catalog of service providers."""
|
|
|
|
@providers.Factory
|
|
def users():
|
|
"""Provide users service.
|
|
|
|
:rtype: providers.Provider -> UsersService
|
|
"""
|
|
return UsersService()
|
|
|
|
@providers.Factory
|
|
@injections.inject(users_service=users)
|
|
def auth(**kwargs):
|
|
"""Provide users service.
|
|
|
|
:rtype: providers.Provider -> AuthService
|
|
"""
|
|
return AuthService(**kwargs)
|
|
|
|
# Retrieving catalog providers:
|
|
users_service = Services.users()
|
|
auth_service = Services.auth()
|
|
|
|
# Making some asserts:
|
|
self.assertIsInstance(auth_service.users_service, UsersService)
|
|
self.assertIsNot(users_service, Services.users())
|
|
self.assertIsNot(auth_service, Services.auth())
|
|
|
|
# Overriding auth service provider and making some asserts:
|
|
class ExtendedAuthService(AuthService):
|
|
"""Extended version of auth service."""
|
|
|
|
def __init__(self, users_service, ttl):
|
|
"""Initializer."""
|
|
self.ttl = ttl
|
|
super(ExtendedAuthService, self).__init__(
|
|
users_service=users_service)
|
|
|
|
class OverriddenServices(Services):
|
|
"""Catalog of service providers."""
|
|
|
|
@providers.override(Services.auth)
|
|
@providers.Factory
|
|
@injections.inject(users_service=Services.users)
|
|
@injections.inject(ttl=3600)
|
|
def auth(**kwargs):
|
|
"""Provide users service.
|
|
|
|
:rtype: providers.Provider -> AuthService
|
|
"""
|
|
return ExtendedAuthService(**kwargs)
|
|
|
|
auth_service = Services.auth()
|
|
|
|
self.assertIsInstance(auth_service, ExtendedAuthService)
|
|
|
|
|
|
class CopyingTests(unittest.TestCase):
|
|
"""Declarative catalogs copying tests."""
|
|
|
|
def test_copy(self):
|
|
"""Test catalog providers copying."""
|
|
@catalogs.copy(CatalogA)
|
|
class CatalogA1(CatalogA):
|
|
pass
|
|
|
|
@catalogs.copy(CatalogA)
|
|
class CatalogA2(CatalogA):
|
|
pass
|
|
|
|
self.assertIsNot(CatalogA.p11, CatalogA1.p11)
|
|
self.assertIsNot(CatalogA.p12, CatalogA1.p12)
|
|
|
|
self.assertIsNot(CatalogA.p11, CatalogA2.p11)
|
|
self.assertIsNot(CatalogA.p12, CatalogA2.p12)
|
|
|
|
self.assertIsNot(CatalogA1.p11, CatalogA2.p11)
|
|
self.assertIsNot(CatalogA1.p12, CatalogA2.p12)
|
|
|
|
def test_copy_with_replacing(self):
|
|
"""Test catalog providers copying."""
|
|
class CatalogA(catalogs.DeclarativeCatalog):
|
|
p11 = providers.Object(0)
|
|
p12 = providers.Factory(dict) \
|
|
.add_kwargs(p11=p11)
|
|
|
|
@catalogs.copy(CatalogA)
|
|
class CatalogA1(CatalogA):
|
|
p11 = providers.Object(1)
|
|
p13 = providers.Object(11)
|
|
|
|
@catalogs.copy(CatalogA)
|
|
class CatalogA2(CatalogA):
|
|
p11 = providers.Object(2)
|
|
p13 = providers.Object(22)
|
|
|
|
self.assertIsNot(CatalogA.p11, CatalogA1.p11)
|
|
self.assertIsNot(CatalogA.p12, CatalogA1.p12)
|
|
|
|
self.assertIsNot(CatalogA.p11, CatalogA2.p11)
|
|
self.assertIsNot(CatalogA.p12, CatalogA2.p12)
|
|
|
|
self.assertIsNot(CatalogA1.p11, CatalogA2.p11)
|
|
self.assertIsNot(CatalogA1.p12, CatalogA2.p12)
|
|
|
|
self.assertIs(CatalogA.p12.kwargs['p11'], CatalogA.p11)
|
|
self.assertIs(CatalogA1.p12.kwargs['p11'], CatalogA1.p11)
|
|
self.assertIs(CatalogA2.p12.kwargs['p11'], CatalogA2.p11)
|
|
|
|
self.assertEqual(CatalogA.p12(), dict(p11=0))
|
|
self.assertEqual(CatalogA1.p12(), dict(p11=1))
|
|
self.assertEqual(CatalogA2.p12(), dict(p11=2))
|
|
|
|
self.assertEqual(CatalogA1.p13(), 11)
|
|
self.assertEqual(CatalogA2.p13(), 22)
|
|
|
|
|
|
class InstantiationTests(unittest.TestCase):
|
|
"""Declarative catalogs instantiation tests."""
|
|
|
|
def setUp(self):
|
|
"""Set test environment up."""
|
|
self.catalog = CatalogA()
|
|
|
|
def tearDown(self):
|
|
"""Tear test environment down."""
|
|
self.catalog = None
|
|
|
|
def test_access_instance_attributes(self):
|
|
"""Test accessing declarative catalog instance attributes."""
|
|
self.assertEqual(self.catalog.providers,
|
|
CatalogA.providers)
|
|
self.assertEqual(self.catalog.cls_providers,
|
|
CatalogA.cls_providers)
|
|
self.assertEqual(self.catalog.inherited_providers,
|
|
CatalogA.inherited_providers)
|
|
self.assertEqual(self.catalog.overridden_by,
|
|
CatalogA.overridden_by)
|
|
self.assertEqual(self.catalog.is_overridden,
|
|
CatalogA.is_overridden)
|
|
self.assertEqual(self.catalog.last_overriding,
|
|
CatalogA.last_overriding)
|