Feishu/Lark OpenAPI MCP

import { safeJsonParse } from '../../src/utils/safe-json-parse'; describe('safeJsonParse', () => { it('should return fallback for undefined input', () => { const fallback = { default: 'value' }; const result = safeJsonParse(undefined, fallback); expect(result).toBe(fallback); }); it('should return fallback for null input', () => { const fallback = { default: 'value' }; const result = safeJsonParse(null, fallback); expect(result).toBe(fallback); }); it('should return fallback for empty string input', () => { const fallback = { default: 'value' }; const result = safeJsonParse('', fallback); expect(result).toBe(fallback); }); it('should parse valid JSON string', () => { const jsonString = '{"name": "test", "value": 123}'; const fallback = { default: 'value' }; const result = safeJsonParse(jsonString, fallback); expect(result).toEqual({ name: 'test', value: 123 }); }); it('should parse valid JSON array', () => { const jsonString = '[1, 2, 3, "test"]'; const fallback: any[] = []; const result = safeJsonParse(jsonString, fallback); expect(result).toEqual([1, 2, 3, 'test']); }); it('should parse primitive JSON values', () => { expect(safeJsonParse('true', false)).toBe(true); expect(safeJsonParse('false', true)).toBe(false); expect(safeJsonParse('null', 'fallback')).toBe(null); expect(safeJsonParse('123', 0)).toBe(123); expect(safeJsonParse('"hello"', 'fallback')).toBe('hello'); }); it('should return fallback for invalid JSON', () => { const fallback = { error: 'invalid' }; const result = safeJsonParse('invalid json', fallback); expect(result).toBe(fallback); }); it('should return fallback for malformed JSON object', () => { const fallback = { error: 'malformed' }; const result = safeJsonParse('{"name": "test",}', fallback); expect(result).toBe(fallback); }); it('should return fallback for malformed JSON array', () => { const fallback: any[] = []; const result = safeJsonParse('[1, 2, 3,]', fallback); expect(result).toBe(fallback); }); it('should return fallback for unclosed JSON', () => { const fallback = { error: 'unclosed' }; const result = safeJsonParse('{"name": "test"', fallback); expect(result).toBe(fallback); }); it('should handle complex nested JSON', () => { const jsonString = '{"users": [{"name": "Alice", "age": 30}, {"name": "Bob", "age": 25}], "total": 2}'; const fallback = {}; const result = safeJsonParse(jsonString, fallback); expect(result).toEqual({ users: [ { name: 'Alice', age: 30 }, { name: 'Bob', age: 25 }, ], total: 2, }); }); it('should work with different fallback types', () => { expect(safeJsonParse('invalid', 'string fallback')).toBe('string fallback'); expect(safeJsonParse('invalid', 42)).toBe(42); expect(safeJsonParse('invalid', true)).toBe(true); expect(safeJsonParse('invalid', null)).toBe(null); expect(safeJsonParse('invalid', undefined)).toBe(undefined); }); it('should handle whitespace-only strings', () => { const fallback = { whitespace: 'test' }; expect(safeJsonParse(' ', fallback)).toBe(fallback); expect(safeJsonParse('\t\n\r', fallback)).toBe(fallback); }); it('should preserve type information from parsed JSON', () => { interface TestType { id: number; name: string; active: boolean; } const jsonString = '{"id": 1, "name": "test", "active": true}'; const fallback: TestType = { id: 0, name: '', active: false }; const result = safeJsonParse<TestType>(jsonString, fallback); expect(result.id).toBe(1); expect(result.name).toBe('test'); expect(result.active).toBe(true); }); });