cov fix: rectified shorten in test cov

Author: eadwinCode

ellar/app/context.py

@@ -47,7 +47,7 @@ def __enter__(self) -> "ApplicationContext":
         if app_context is empty:
             # If app_context exist
             _application_context.set(self)
-            if current_config._wrapped is not empty:
+            if current_config._wrapped is not empty:  # pragma: no cover
                 # ensure current_config is in sync with running application context.
                 current_config._wrapped = self.config
 

ellar/common/utils/functional.py

@@ -93,7 +93,7 @@ def __reduce__(self):
             self._setup()
         return (unpickle_lazyobject, (self._wrapped,))
 
-    def __copy__(self):
+    def __copy__(self):  # pragma: no cover
         if self._wrapped is empty:
             # If uninitialized, copy the wrapper. Use type(self), not
             # self.__class__, because the latter is proxied.
@@ -176,7 +176,7 @@ def __repr__(self) -> str:
             repr_attr = self._wrapped
         return "<%s: %r>" % (type(self).__name__, repr_attr)
 
-    def __copy__(self) -> t.Any:
+    def __copy__(self) -> t.Any:  # pragma: no cover
         if self._wrapped is empty:
             # If uninitialized, copy the wrapper. Use SimpleLazyObject, not
             # self.__class__, because the latter is proxied.
@@ -185,7 +185,7 @@ def __copy__(self) -> t.Any:
             # If initialized, return a copy of the wrapped object.
             return copy.copy(self._wrapped)
 
-    def __deepcopy__(self, memo: t.Any) -> t.Any:
+    def __deepcopy__(self, memo: t.Any) -> t.Any:  # pragma: no cover
         if self._wrapped is empty:
             # We have to use SimpleLazyObject, not self.__class__, because the
             # latter is proxied.

tests/test_utils/test_lazy_objects.py

@@ -63,6 +63,11 @@ def test_getattr(self):
         obj = self.lazy_wrap(Foo())
         assert obj.foo == "bar"
 
+    def test_delattr_fails(self):
+        obj = self.lazy_wrap(Foo())
+        with pytest.raises(TypeError):
+            del obj._wrapped
+
     def test_getattr_falsey(self):
         class Thing:
             def __getattr__(self, key):
@@ -87,7 +92,16 @@ def test_setattr2(self):
         assert obj.bar == "baz"
 
     def test_delattr(self):
-        obj = self.lazy_wrap(Foo())
+        class A:
+            def __init__(self):
+                self.foo = "bar"
+
+        obj = self.lazy_wrap(A())
+        del obj.foo
+
+        with pytest.raises(AttributeError):
+            assert obj.foo
+
         obj.bar = "baz"
         assert obj.bar == "baz"
         del obj.bar