diff --git a/tests/test_process.py b/tests/test_process.py
new file mode 100644
index 000000000..2d0c349ce
--- /dev/null
+++ b/tests/test_process.py
@@ -0,0 +1,196 @@
+from langflow.processing.process import process_tweaks
+
+
+def test_no_tweaks():
+    graph_data = {
+        "data": {
+            "nodes": [
+                {
+                    "id": "node1",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 1},
+                                "param2": {"value": 2},
+                            }
+                        }
+                    },
+                },
+                {
+                    "id": "node2",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 3},
+                                "param2": {"value": 4},
+                            }
+                        }
+                    },
+                },
+            ]
+        }
+    }
+    tweaks = {}
+    result = process_tweaks(graph_data, tweaks)
+    assert result == graph_data
+
+
+def test_single_tweak():
+    graph_data = {
+        "data": {
+            "nodes": [
+                {
+                    "id": "node1",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 1},
+                                "param2": {"value": 2},
+                            }
+                        }
+                    },
+                },
+                {
+                    "id": "node2",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 3},
+                                "param2": {"value": 4},
+                            }
+                        }
+                    },
+                },
+            ]
+        }
+    }
+    tweaks = {"node1": {"param1": 5}}
+    expected_result = {
+        "data": {
+            "nodes": [
+                {
+                    "id": "node1",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 5},
+                                "param2": {"value": 2},
+                            }
+                        }
+                    },
+                },
+                {
+                    "id": "node2",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 3},
+                                "param2": {"value": 4},
+                            }
+                        }
+                    },
+                },
+            ]
+        }
+    }
+    result = process_tweaks(graph_data, tweaks)
+    assert result == expected_result
+
+
+def test_multiple_tweaks():
+    graph_data = {
+        "data": {
+            "nodes": [
+                {
+                    "id": "node1",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 1},
+                                "param2": {"value": 2},
+                            }
+                        }
+                    },
+                },
+                {
+                    "id": "node2",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 3},
+                                "param2": {"value": 4},
+                            }
+                        }
+                    },
+                },
+            ]
+        }
+    }
+    tweaks = {
+        "node1": {"param1": 5, "param2": 6},
+        "node2": {"param1": 7},
+    }
+    expected_result = {
+        "data": {
+            "nodes": [
+                {
+                    "id": "node1",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 5},
+                                "param2": {"value": 6},
+                            }
+                        }
+                    },
+                },
+                {
+                    "id": "node2",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 7},
+                                "param2": {"value": 4},
+                            }
+                        }
+                    },
+                },
+            ]
+        }
+    }
+    result = process_tweaks(graph_data, tweaks)
+    assert result == expected_result
+
+
+def test_tweak_not_in_template():
+    graph_data = {
+        "data": {
+            "nodes": [
+                {
+                    "id": "node1",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 1},
+                                "param2": {"value": 2},
+                            }
+                        }
+                    },
+                },
+                {
+                    "id": "node2",
+                    "data": {
+                        "node": {
+                            "template": {
+                                "param1": {"value": 3},
+                                "param2": {"value": 4},
+                            }
+                        }
+                    },
+                },
+            ]
+        }
+    }
+    tweaks = {"node1": {"param3": 5}}
+    result = process_tweaks(graph_data, tweaks)
+    assert result == graph_data