diff --git a/taskiq/abc/broker.py b/taskiq/abc/broker.py
index 41813f46..8e47291c 100644
--- a/taskiq/abc/broker.py
+++ b/taskiq/abc/broker.py
@@ -167,7 +167,7 @@ async def listen(
     def task(
         self,
         task_name: Callable[_FuncParams, _ReturnType],
-    ) -> AsyncTaskiqDecoratedTask[_FuncParams, _ReturnType]:
+    ) -> AsyncTaskiqDecoratedTask[_FuncParams, _ReturnType]:  # pragma: no cover
         ...
 
     @overload
@@ -178,7 +178,7 @@ def task(
     ) -> Callable[
         [Callable[_FuncParams, _ReturnType]],
         AsyncTaskiqDecoratedTask[_FuncParams, _ReturnType],
-    ]:
+    ]:  # pragma: no cover
         ...
 
     def task(  # type: ignore[misc]
@@ -222,7 +222,7 @@ def inner(
                 nonlocal inner_task_name  # noqa: WPS420
                 if inner_task_name is None:
                     fmodule = func.__module__
-                    if fmodule == "__main__":
+                    if fmodule == "__main__":  # pragma: no cover
                         fmodule = ".".join(  # noqa: WPS220
                             sys.argv[0]
                             .removesuffix(
diff --git a/taskiq/abc/tests/test_broker.py b/taskiq/abc/tests/test_broker.py
new file mode 100644
index 00000000..631a08c1
--- /dev/null
+++ b/taskiq/abc/tests/test_broker.py
@@ -0,0 +1,66 @@
+from typing import Any, Callable, Coroutine
+
+from taskiq.abc.broker import AsyncBroker
+from taskiq.decor import AsyncTaskiqDecoratedTask
+from taskiq.message import BrokerMessage
+
+
+class _TestBroker(AsyncBroker):
+    """Broker for testing purpose."""
+
+    async def kick(self, message: BrokerMessage) -> None:
+        """
+        This method is used to send messages.
+
+        But in this case it just throws messages away.
+
+        :param message: message to lost.
+        """
+
+    async def listen(
+        self,
+        callback: Callable[[BrokerMessage], Coroutine[Any, Any, None]],
+    ) -> None:
+        """
+        This method is not implemented.
+
+        :param callback: callback that is never called.
+        """
+
+
+def test_decorator_success() -> None:
+    """Test that decoration without parameters works."""
+    tbrok = _TestBroker()
+
+    @tbrok.task
+    async def test_func() -> None:
+        """Some test function."""
+
+    assert isinstance(test_func, AsyncTaskiqDecoratedTask)
+
+
+def test_decorator_with_name_success() -> None:
+    """Test that task_name is successfully set."""
+    tbrok = _TestBroker()
+
+    @tbrok.task(task_name="my_task")
+    async def test_func() -> None:
+        """Some test function."""
+
+    assert isinstance(test_func, AsyncTaskiqDecoratedTask)
+    assert test_func.task_name == "my_task"
+
+
+def test_decorator_with_labels_success() -> None:
+    """Tests that labels are assigned for task as is."""
+    tbrok = _TestBroker()
+
+    @tbrok.task(label1=1, label2=2)
+    async def test_func() -> None:
+        """Some test function."""
+
+    assert isinstance(test_func, AsyncTaskiqDecoratedTask)
+    assert test_func.labels == {
+        "label1": 1,
+        "label2": 2,
+    }