Migrate list provider tests

tests/unit/providers/test_list_py2_py3.py

@@ -2,21 +2,19 @@
 
 import sys
 
-import unittest
-
 from dependency_injector import providers
 
 
-class ListTests(unittest.TestCase):
+def test_is_provider():
-
-    def test_is_provider(self):
     assert providers.is_provider(providers.List()) is True
     
-    def test_provided_instance_provider(self):
+
+def test_provided_instance_provider():
     provider = providers.List()
     assert isinstance(provider.provided, providers.ProvidedInstance)
 
-    def test_call_with_init_positional_args(self):
+
+def test_call_with_init_positional_args():
     provider = providers.List("i1", "i2")
 
     list1 = provider()
@@ -26,28 +24,33 @@ class ListTests(unittest.TestCase):
     assert list2 == ["i1", "i2"]
     assert list1 is not list2
 
-    def test_call_with_context_args(self):
+
+def test_call_with_context_args():
     provider = providers.List("i1", "i2")
     assert provider("i3", "i4") == ["i1", "i2", "i3", "i4"]
 
-    def test_fluent_interface(self):
+
+def test_fluent_interface():
     provider = providers.List() \
         .add_args(1, 2)
     assert provider() == [1, 2]
 
-    def test_set_args(self):
+
+def test_set_args():
     provider = providers.List() \
         .add_args(1, 2) \
         .set_args(3, 4)
     assert provider.args == (3, 4)
 
-    def test_clear_args(self):
+
+def test_clear_args():
     provider = providers.List() \
         .add_args(1, 2) \
         .clear_args()
     assert provider.args == tuple()
 
-    def test_call_overridden(self):
+
+def test_call_overridden():
     provider = providers.List(1, 2)
     overriding_provider1 = providers.List(2, 3)
     overriding_provider2 = providers.List(3, 4)
@@ -62,7 +65,8 @@ class ListTests(unittest.TestCase):
     assert instance1 == [3, 4]
     assert instance2 == [3, 4]
 
-    def test_deepcopy(self):
+
+def test_deepcopy():
     provider = providers.List(1, 2)
 
     provider_copy = providers.deepcopy(provider)
@@ -71,15 +75,16 @@ class ListTests(unittest.TestCase):
     assert provider.args == provider_copy.args
     assert isinstance(provider, providers.List)
 
-    def test_deepcopy_from_memo(self):
+
+def test_deepcopy_from_memo():
     provider = providers.List(1, 2)
     provider_copy_memo = providers.List(1, 2)
 
     provider_copy = providers.deepcopy(provider, memo={id(provider): provider_copy_memo})
-
     assert provider_copy is provider_copy_memo
 
-    def test_deepcopy_args(self):
+
+def test_deepcopy_args():
     provider = providers.List()
     dependent_provider1 = providers.Factory(list)
     dependent_provider2 = providers.Factory(dict)
@@ -98,7 +103,8 @@ class ListTests(unittest.TestCase):
     assert dependent_provider2.cls is dependent_provider_copy2.cls
     assert dependent_provider2 is not dependent_provider_copy2
 
-    def test_deepcopy_overridden(self):
+
+def test_deepcopy_overridden():
     provider = providers.List()
     object_provider = providers.Object(object())
 
@@ -114,7 +120,8 @@ class ListTests(unittest.TestCase):
     assert object_provider is not object_provider_copy
     assert isinstance(object_provider_copy, providers.Object)
 
-    def test_deepcopy_with_sys_streams(self):
+
+def test_deepcopy_with_sys_streams():
     provider = providers.List()
     provider.add_args(sys.stdin, sys.stdout, sys.stderr)
 
@@ -126,7 +133,8 @@ class ListTests(unittest.TestCase):
     assert provider.args[1] is sys.stdout
     assert provider.args[2] is sys.stderr
 
-    def test_repr(self):
+
+def test_repr():
     provider = providers.List(1, 2)
     assert repr(provider) == (
         "<dependency_injector.providers."