wip more tests

tests/executor/test_integration.py

@@ -270,14 +270,29 @@ async def test_call_publish_twice(
 
 @pytest.mark.asyncio
 async def test_call_generate_twice(
-    mock_ccn_client: aiohttp.ClientSession,
     executor_client: aiohttp.ClientSession,
     published_vrf_request: Tuple[MessageDict, VRFRequest],
 ):
     """
     Test that calling POST /generate twice with the same request does not generate a new random number.
+    We expect the API to return the same random number.
     """
-    ...
+    message_dict, vrf_request = published_vrf_request
+    item_hash = message_dict["item_hash"]
+
+    # Call POST /generate a first time
+    resp = await executor_client.post(f"/generate/{item_hash}")
+    assert resp.status == 200, await resp.text()
+    response_json = await resp.json()
+    first_response_hash = VRFResponseHash.parse_obj(response_json["data"])
+
+    # Call POST /generate a second time
+    resp = await executor_client.post(f"/generate/{item_hash}")
+    assert resp.status == 200, await resp.text()
+    response_json = await resp.json()
+    second_response_hash = VRFResponseHash.parse_obj(response_json["data"])
+
+    assert_vrf_response_hash_equal(second_response_hash, first_response_hash)
 
 
 @pytest.mark.asyncio