Remove ray.tasks() from API. (#7807)

python/ray/tests/test_advanced_3.py

@@ -94,15 +94,6 @@ def wait_for_num_actors(num_actors, timeout=10):
     raise RayTestTimeoutException("Timed out while waiting for global state.")
 
 
-def wait_for_num_tasks(num_tasks, timeout=10):
-    start_time = time.time()
-    while time.time() - start_time < timeout:
-        if len(ray.tasks()) >= num_tasks:
-            return
-        time.sleep(0.1)
-    raise RayTestTimeoutException("Timed out while waiting for global state.")
-
-
 def wait_for_num_objects(num_objects, timeout=10):
     start_time = time.time()
     while time.time() - start_time < timeout:
@@ -123,9 +114,6 @@ def test_global_state_api(shutdown_only):
     with pytest.raises(Exception, match=error_message):
         ray.actors()
 
-    with pytest.raises(Exception, match=error_message):
-        ray.tasks()
-
     with pytest.raises(Exception, match=error_message):
         ray.nodes()
 
@@ -142,22 +130,6 @@ def test_global_state_api(shutdown_only):
 
     job_id = ray.utils.compute_job_id_from_driver(
         ray.WorkerID(ray.worker.global_worker.worker_id))
-    driver_task_id = ray.worker.global_worker.current_task_id.hex()
-
-    # One task is put in the task table which corresponds to this driver.
-    wait_for_num_tasks(1)
-    task_table = ray.tasks()
-    assert len(task_table) == 1
-    assert driver_task_id == list(task_table.keys())[0]
-    task_spec = task_table[driver_task_id]["TaskSpec"]
-    nil_actor_id_hex = ray.ActorID.nil().hex()
-
-    assert task_spec["TaskID"] == driver_task_id
-    assert task_spec["ActorID"] == nil_actor_id_hex
-    assert task_spec["Args"] == []
-    assert task_spec["JobID"] == job_id.hex()
-    assert task_spec["FunctionDescriptor"]["type"] == "EmptyFunctionDescriptor"
-    assert task_spec["ReturnObjectIDs"] == []
 
     client_table = ray.nodes()
     node_ip_address = ray.worker.global_worker.node_ip_address