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import { jest } from "@jest/globals"; import { createMockResponse, MockResponseOptions, } from "./src/__tests__/test-utils"; // Define global types for our custom matchers and utilities declare global { // eslint-disable-next-line @typescript-eslint/no-namespace namespace jest { interface Matchers<R> { toBeValidDate(): R; toBeValidUUID(): R; } } function mockFetchResponse(data: any, options?: MockResponseOptions): void; function mockFetchError(message: string): void; } // Mock fetch globally with a more flexible implementation const mockFetch = jest.fn( (input: RequestInfo | URL, init?: RequestInit): Promise<Response> => { // Default success response return Promise.resolve(createMockResponse({})); } ); // Type assertion for global fetch mock global.fetch = mockFetch; // Utility to set up fetch mock responses global.mockFetchResponse = (data: any, options: MockResponseOptions = {}) => { mockFetch.mockImplementationOnce(() => Promise.resolve(createMockResponse(data, options)) ); }; // Utility to set up fetch mock error global.mockFetchError = (message: string) => { mockFetch.mockImplementationOnce(() => Promise.reject(new Error(message))); }; // Add custom matchers expect.extend({ toBeValidDate(received: string) { const date = new Date(received); const pass = date instanceof Date && !isNaN(date.getTime()); return { pass, message: () => `expected ${received} to ${pass ? "not " : ""}be a valid date string`, }; }, toBeValidUUID(received: string) { const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i; const pass = uuidRegex.test(received); return { pass, message: () => `expected ${received} to ${pass ? "not " : ""}be a valid UUID`, }; }, }); // Reset all mocks before each test beforeEach(() => { jest.clearAllMocks(); });