test(sim): Setup framework for robust live sim verification

tests/test_api_hook_client.py

@@ -63,3 +63,38 @@ def test_unsupported_method_error():
     client = ApiHookClient()
     with pytest.raises(ValueError, match="Unsupported HTTP method"):
         client._make_request('PUT', '/some_endpoint', data={'key': 'value'})
+
+def test_get_text_value():
+    """
+    Test retrieval of string representation using get_text_value.
+    """
+    client = ApiHookClient()
+    with patch.object(client, 'get_value', return_value=123):
+        assert client.get_text_value("dummy_tag") == "123"
+    
+    with patch.object(client, 'get_value', return_value=None):
+        assert client.get_text_value("dummy_tag") is None
+
+def test_get_node_status():
+    """
+    Test retrieval of DAG node status using get_node_status.
+    """
+    client = ApiHookClient()
+    # When get_value returns a status directly
+    with patch.object(client, 'get_value', return_value="running"):
+        assert client.get_node_status("my_node") == "running"
+        
+    # When get_value returns None and diagnostics provides a nodes dict
+    with patch.object(client, 'get_value', return_value=None):
+        with patch.object(client, '_make_request', return_value={'nodes': {'my_node': 'completed'}}):
+            assert client.get_node_status("my_node") == "completed"
+
+    # When get_value returns None and diagnostics provides a direct key
+    with patch.object(client, 'get_value', return_value=None):
+        with patch.object(client, '_make_request', return_value={'my_node': 'failed'}):
+            assert client.get_node_status("my_node") == "failed"
+
+    # When neither works
+    with patch.object(client, 'get_value', return_value=None):
+        with patch.object(client, '_make_request', return_value={}):
+            assert client.get_node_status("my_node") is None