Add CI code and logic to validate flows

2025-05-22 15:44:54 +02:00
parent 3b348c3de0
commit 344054572a
8 changed files with 609 additions and 0 deletions
--- a/lib/examples/visualize_example.py
+++ b/lib/examples/visualize_example.py
@@ -0,0 +1,170 @@
+"""
+Example script demonstrating how to use the n8n_utils visualization.
+"""
+import json
+import os
+import sys
+from pathlib import Path
+
+# Add the lib directory to the path so we can import n8n_utils
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+from n8n_utils.visualization import visualize_workflow
+
+def create_sample_workflow():
+    """Create a sample n8n workflow for demonstration."""
+    return {
+        "name": "Sample Workflow",
+        "nodes": [
+            {
+                "id": "1",
+                "name": "Start",
+                "type": "n8n-nodes-base.start",
+                "typeVersion": 1,
+                "position": [250, 300],
+                "parameters": {}
+            },
+            {
+                "id": "2",
+                "name": "HTTP Request",
+                "type": "n8n-nodes-base.httpRequest",
+                "typeVersion": 1,
+                "position": [450, 200],
+                "parameters": {
+                    "url": "https://api.example.com/data",
+                    "method": "GET"
+                }
+            },
+            {
+                "id": "3",
+                "name": "Process Data",
+                "type": "n8n-nodes-base.function",
+                "typeVersion": 1,
+                "position": [650, 300],
+                "parameters": {
+                    "functionCode": "// Process the data here\nreturn items;"
+                }
+            },
+            {
+                "id": "4",
+                "name": "Condition",
+                "type": "n8n-nodes-base.if",
+                "typeVersion": 1,
+                "position": [850, 300],
+                "parameters": {
+                    "conditions": {
+                        "string": [
+                            {
+                                "value1": "={{ $json.someField }}",
+                                "operation": "exists"
+                            }
+                        ]
+                    }
+                }
+            },
+            {
+                "id": "5",
+                "name": "Send Email",
+                "type": "n8n-nodes-base.emailSend",
+                "typeVersion": 1,
+                "position": [1050, 200],
+                "parameters": {
+                    "to": "user@example.com",
+                    "subject": "Processing Complete",
+                    "text": "The data has been processed successfully."
+                }
+            },
+            {
+                "id": "6",
+                "name": "Log Error",
+                "type": "n8n-nodes-base.function",
+                "typeVersion": 1,
+                "position": [1050, 400],
+                "parameters": {
+                    "functionCode": "console.log('Error processing data:', items);\nreturn items;"
+                }
+            }
+        ],
+        "connections": {
+            "1": {
+                "main": [
+                    [
+                        {
+                            "node": "2",
+                            "type": "main",
+                            "index": 0
+                        }
+                    ]
+                ]
+            },
+            "2": {
+                "main": [
+                    [
+                        {
+                            "node": "3",
+                            "type": "main",
+                            "index": 0
+                        }
+                    ]
+                ]
+            },
+            "3": {
+                "main": [
+                    [
+                        {
+                            "node": "4",
+                            "type": "main",
+                            "index": 0
+                        }
+                    ]
+                ]
+            },
+            "4": {
+                "main": [
+                    [
+                        {
+                            "node": "5",
+                            "type": "main",
+                            "index": 0
+                        }
+                    ]
+                ]
+            },
+            "4-1": {
+                "main": [
+                    [
+                        {
+                            "node": "6",
+                            "type": "main",
+                            "index": 0
+                        }
+                    ]
+                ]
+            }
+        }
+    }
+
+def main():
+    """Run the example."""
+    # Create output directory if it doesn't exist
+    output_dir = Path(__file__).parent / "output"
+    output_dir.mkdir(exist_ok=True)
+    
+    # Create a sample workflow
+    workflow = create_sample_workflow()
+    
+    # Save the workflow as JSON
+    workflow_file = output_dir / "sample_workflow.json"
+    with open(workflow_file, 'w', encoding='utf-8') as f:
+        json.dump(workflow, f, indent=2)
+    
+    print(f"Created sample workflow at: {workflow_file}")
+    
+    # Visualize the workflow
+    output_image = output_dir / "workflow_visualization.png"
+    from n8n_utils.visualization.visualizer import visualize_workflow
+    visualize_workflow(workflow, output_file=str(output_image), show=True)
+    print(f"Workflow visualization saved to: {output_image}")
+
+if __name__ == "__main__":
+    main()