Add tests

tests/unit/providers/callables/test_callable_py2_py3.py

@@ -3,7 +3,7 @@
 import sys
 
 from dependency_injector import providers, errors
-from pytest import raises
+from pytest import raises, mark
 
 from .common import example
 
@@ -29,6 +29,20 @@ def test_set_provides_returns_():
     assert provider.set_provides(object) is provider
 
 
+@mark.parametrize(
+    "str_name,cls",
+    [
+        ("dependency_injector.providers.Factory", providers.Factory),
+        ("builtins.list", list),
+        ("list", list),
+        (".common.example", example),
+        ("test_is_provider", test_is_provider),
+    ],
+)
+def test_set_provides_string_imports(str_name, cls):
+    assert providers.Callable(str_name).provides is cls
+
+
 def test_provided_instance_provider():
     provider = providers.Callable(example)
     assert isinstance(provider.provided, providers.ProvidedInstance)

tests/unit/providers/coroutines/test_coroutine_py35.py

@@ -31,6 +31,17 @@ def test_set_provides_returns_self():
     assert provider.set_provides(example) is provider
 
 
+@mark.parametrize(
+    "str_name,cls",
+    [
+        (".common.example", example),
+        ("example", example),
+    ],
+)
+def test_set_provides_string_imports(str_name, cls):
+    assert providers.Coroutine(str_name).provides is cls
+
+
 @mark.asyncio
 async def test_call_with_positional_args():
     provider = providers.Coroutine(example, 1, 2, 3, 4)

tests/unit/providers/factories/test_factory_py2_py3.py

@@ -3,7 +3,7 @@
 import sys
 
 from dependency_injector import providers, errors
-from pytest import raises
+from pytest import raises, mark
 
 from .common import Example
 
@@ -29,6 +29,20 @@ def test_set_provides_returns_():
     assert provider.set_provides(object) is provider
 
 
+@mark.parametrize(
+    "str_name,cls",
+    [
+        ("dependency_injector.providers.Factory", providers.Factory),
+        ("builtins.list", list),
+        ("list", list),
+        (".common.Example", Example),
+        ("test_is_provider", test_is_provider),
+    ],
+)
+def test_set_provides_string_imports(str_name, cls):
+    assert providers.Factory(str_name).provides is cls
+
+
 def test_init_with_valid_provided_type():
     class ExampleProvider(providers.Factory):
         provided_type = Example

tests/unit/providers/resource/test_resource_py35.py

@@ -4,7 +4,7 @@ import sys
 from typing import Any
 
 from dependency_injector import containers, providers, resources, errors
-from pytest import raises
+from pytest import raises, mark
 
 
 def init_fn(*args, **kwargs):
@@ -27,6 +27,20 @@ def test_set_provides_returns_():
     assert provider.set_provides(init_fn) is provider
 
 
+@mark.parametrize(
+    "str_name,cls",
+    [
+        ("dependency_injector.providers.Factory", providers.Factory),
+        ("builtins.list", list),
+        ("list", list),
+        (".test_resource_py35.test_is_provider", test_is_provider),
+        ("test_is_provider", test_is_provider),
+    ],
+)
+def test_set_provides_string_imports(str_name, cls):
+    assert providers.Resource(str_name).provides is cls
+
+
 def test_provided_instance_provider():
     provider = providers.Resource(init_fn)
     assert isinstance(provider.provided, providers.ProvidedInstance)

tests/unit/providers/singleton/test_singleton_py2_py3.py

@@ -3,7 +3,7 @@
 import sys
 
 from dependency_injector import providers, errors
-from pytest import fixture, raises
+from pytest import fixture, raises, mark
 
 from .common import Example
 
@@ -49,6 +49,20 @@ def test_set_provides_returns_self(provider):
     assert provider.set_provides(object) is provider
 
 
+@mark.parametrize(
+    "str_name,cls",
+    [
+        ("dependency_injector.providers.Factory", providers.Factory),
+        ("builtins.list", list),
+        ("list", list),
+        (".common.Example", Example),
+        ("test_is_provider", test_is_provider),
+    ],
+)
+def test_set_provides_string_imports(str_name, cls):
+    assert providers.Singleton(str_name).provides is cls
+
+
 def test_init_with_valid_provided_type(singleton_cls):
     class ExampleProvider(singleton_cls):
         provided_type = Example