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n8n_Demo/n8n-n8n-1.109.2/packages/@n8n/nodes-langchain/nodes/tools/ToolCode/ToolCode.node.test.ts

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2025-09-08 04:48:28 +08:00
import { mock } from 'jest-mock-extended';
import { DynamicTool } from 'langchain/tools';
import { type INode, type ISupplyDataFunctions } from 'n8n-workflow';
import { ToolCode } from './ToolCode.node';
describe('ToolCode', () => {
describe('supplyData', () => {
beforeEach(() => {
jest.resetAllMocks();
});
it('should read name from node name on version >=1.2', async () => {
const node = new ToolCode();
const supplyDataResult = await node.supplyData.call(
mock<ISupplyDataFunctions>({
getNode: jest.fn(() => mock<INode>({ typeVersion: 1.2, name: 'test tool' })),
getNodeParameter: jest.fn().mockImplementation((paramName, _itemIndex) => {
switch (paramName) {
case 'description':
return 'description text';
case 'name':
return 'wrong_field';
case 'specifyInputSchema':
return false;
case 'language':
return 'javaScript';
case 'jsCode':
return 'return 1;';
default:
return;
}
}),
}),
0,
);
expect(supplyDataResult.response).toBeInstanceOf(DynamicTool);
const tool = supplyDataResult.response as DynamicTool;
expect(tool.name).toBe('test_tool');
expect(tool.description).toBe('description text');
expect(tool.func).toBeInstanceOf(Function);
});
it('should read name from name parameter on version <1.2', async () => {
const node = new ToolCode();
const supplyDataResult = await node.supplyData.call(
mock<ISupplyDataFunctions>({
getNode: jest.fn(() => mock<INode>({ typeVersion: 1.1, name: 'wrong name' })),
getNodeParameter: jest.fn().mockImplementation((paramName, _itemIndex) => {
switch (paramName) {
case 'description':
return 'description text';
case 'name':
return 'test_tool';
case 'specifyInputSchema':
return false;
case 'language':
return 'javaScript';
case 'jsCode':
return 'return 1;';
default:
return;
}
}),
}),
0,
);
expect(supplyDataResult.response).toBeInstanceOf(DynamicTool);
const tool = supplyDataResult.response as DynamicTool;
expect(tool.name).toBe('test_tool');
expect(tool.description).toBe('description text');
expect(tool.func).toBeInstanceOf(Function);
});
});
});