mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-22 09:36:48 +03:00
143 lines
4.7 KiB
Python
143 lines
4.7 KiB
Python
"""Dependency injector catalogs overriding unittests."""
|
|
|
|
import unittest2 as unittest
|
|
|
|
from dependency_injector import (
|
|
catalogs,
|
|
providers,
|
|
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 OverrideTests(unittest.TestCase):
|
|
"""Catalog overriding and override decorator test cases."""
|
|
|
|
def tearDown(self):
|
|
"""Tear test environment down."""
|
|
CatalogA.reset_override()
|
|
|
|
def test_overriding(self):
|
|
"""Test catalog overriding with another catalog."""
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
p11 = providers.Value(1)
|
|
p12 = providers.Value(2)
|
|
|
|
self.assertEqual(CatalogA.p11(), 1)
|
|
self.assertEqual(CatalogA.p12(), 2)
|
|
self.assertEqual(len(CatalogA.overridden_by), 1)
|
|
|
|
def test_override_declarative_catalog_with_itself(self):
|
|
"""Test catalog overriding of declarative catalog with itself."""
|
|
with self.assertRaises(errors.Error):
|
|
CatalogA.override(CatalogA)
|
|
|
|
def test_override_declarative_catalog_with_subclass(self):
|
|
"""Test catalog overriding of declarative catalog with subclass."""
|
|
with self.assertRaises(errors.Error):
|
|
CatalogB.override(CatalogA)
|
|
|
|
def test_override_dynamic_catalog_with_itself(self):
|
|
"""Test catalog overriding of dynamic catalog with itself."""
|
|
catalog = catalogs.DynamicCatalog(p11=providers.Value(1),
|
|
p12=providers.Value(2))
|
|
with self.assertRaises(errors.Error):
|
|
catalog.override(catalog)
|
|
|
|
def test_overriding_with_dynamic_catalog(self):
|
|
"""Test catalog overriding with another dynamic catalog."""
|
|
CatalogA.override(catalogs.DynamicCatalog(p11=providers.Value(1),
|
|
p12=providers.Value(2)))
|
|
self.assertEqual(CatalogA.p11(), 1)
|
|
self.assertEqual(CatalogA.p12(), 2)
|
|
self.assertEqual(len(CatalogA.overridden_by), 1)
|
|
|
|
def test_is_overridden(self):
|
|
"""Test catalog is_overridden property."""
|
|
self.assertFalse(CatalogA.is_overridden)
|
|
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
self.assertTrue(CatalogA.is_overridden)
|
|
|
|
def test_last_overriding(self):
|
|
"""Test catalog last_overriding property."""
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog1(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog2(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
self.assertIs(CatalogA.last_overriding, OverridingCatalog2)
|
|
|
|
def test_last_overriding_on_not_overridden(self):
|
|
"""Test catalog last_overriding property on not overridden catalog."""
|
|
self.assertIsNone(CatalogA.last_overriding)
|
|
|
|
def test_reset_last_overriding(self):
|
|
"""Test resetting last overriding catalog."""
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog1(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
p11 = providers.Value(1)
|
|
p12 = providers.Value(2)
|
|
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog2(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
p11 = providers.Value(3)
|
|
p12 = providers.Value(4)
|
|
|
|
CatalogA.reset_last_overriding()
|
|
|
|
self.assertEqual(CatalogA.p11(), 1)
|
|
self.assertEqual(CatalogA.p12(), 2)
|
|
|
|
def test_reset_last_overriding_when_not_overridden(self):
|
|
"""Test resetting last overriding catalog when it is not overridden."""
|
|
with self.assertRaises(errors.Error):
|
|
CatalogA.reset_last_overriding()
|
|
|
|
def test_reset_override(self):
|
|
"""Test resetting all catalog overrides."""
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog1(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
p11 = providers.Value(1)
|
|
p12 = providers.Value(2)
|
|
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog2(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
p11 = providers.Value(3)
|
|
p12 = providers.Value(4)
|
|
|
|
CatalogA.reset_override()
|
|
|
|
self.assertFalse(CatalogA.p11.is_overridden)
|
|
self.assertFalse(CatalogA.p12.is_overridden)
|