syntropylog/dist/testing/test-helper.js

An instance manager with observability for Node.js applications

import { createSyntropyLogMock, resetSyntropyLogMocks, } from './SyntropyLogMock';
/**
 * Create a test helper for SyntropyLog testing
 *
 * @param spyFn - Optional spy function for framework compatibility (vi.fn, jest.fn, etc.)
 *
 * @example
 * ```typescript
 * // For Vitest
 * const testHelper = createTestHelper(vi.fn);
 *
 * // For Jest
 * const testHelper = createTestHelper(jest.fn);
 *
 * // For Jasmine
 * const testHelper = createTestHelper(jasmine.createSpy);
 *
 * // Without spy (basic functionality only)
 * const testHelper = createTestHelper();
 *
 * describe('MyService', () => {
 *   beforeEach(() => testHelper.beforeEach());
 *   afterEach(() => testHelper.afterEach());
 *
 *   it('should work', () => {
 *     const service = new MyService(testHelper.mockSyntropyLog);
 *     // ... test logic
 *   });
 * });
 * ```
 */
export function createTestHelper(spyFn) {
    const mockSyntropyLog = createSyntropyLogMock(spyFn);
    return {
        mockSyntropyLog,
        beforeEach: () => {
            resetSyntropyLogMocks();
        },
        afterEach: () => {
            // Clean up if needed
        },
    };
}
/**
 * Create a service with SyntropyLog mock for testing
 *
 * @param ServiceClass - The service class to instantiate
 * @param mockSyntropyLog - The mock SyntropyLog instance
 * @returns Instance of the service with mock injected
 *
 * @example
 * ```typescript
 * const mockSyntropyLog = createSyntropyLogMock();
 * const userService = createServiceWithMock(UserService, mockSyntropyLog);
 * ```
 */
export function createServiceWithMock(ServiceClass, mockSyntropyLog) {
    return new ServiceClass(mockSyntropyLog);
}
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