Restrict eager task & add unit tests (#2871)

Signed-off-by: Mecoli1219 <[email protected]>

flytekit/remote/remote.py

@@ -217,6 +217,10 @@ def _get_pickled_target_dict(
                 raise FlyteAssertion(
                     f"Dynamic tasks are not supported in interactive mode. {entity.name} is a dynamic task."
                 )
+            if entity.execution_mode == PythonFunctionTask.ExecutionBehavior.EAGER:
+                raise FlyteAssertion(
+                    f"Eager tasks are not supported in interactive mode. {entity.name} is an eager task."
+                )
 
         if isinstance(entity, PythonTask):
             if isinstance(entity, (PythonAutoContainerTask, ArrayNodeMapTask)):

tests/flytekit/unit/remote/test_remote.py

@@ -23,6 +23,7 @@
 from flytekit.core.type_engine import TypeEngine
 from flytekit.exceptions import user as user_exceptions
 from flytekit.exceptions.user import FlyteEntityNotExistException, FlyteAssertion
+from flytekit.experimental.eager_function import eager
 from flytekit.models import common as common_models
 from flytekit.models import security
 from flytekit.models.admin.workflow import Workflow, WorkflowClosure
@@ -752,3 +753,22 @@ def my_wf(a: int) -> typing.List[str]:
 
     with pytest.raises(FlyteAssertion):
         _get_pickled_target_dict(my_wf)
+
+def test_get_pickled_target_dict_with_eager():
+    @task
+    def t1(a: int) -> int:
+        return a + 1
+
+    @task
+    def t2(a: int) -> int:
+        return a * 2
+
+    @eager
+    async def eager_wf(a: int) -> int:
+        out = await t1(a=a)
+        if out < 0:
+            return -1
+        return await t2(a=out)
+
+    with pytest.raises(FlyteAssertion):
+        _get_pickled_target_dict(eager_wf)