@unito/integration-sdk/dist/test/middlewares/logger.test.js

Integration SDK

import assert from 'node:assert/strict';
import { describe, it } from 'node:test';
import injectLogger from '../../src/middlewares/logger.js';
describe('logger middleware', () => {
    it('initializes', () => {
        const request = { header: (_key) => undefined };
        const response = { locals: {} };
        injectLogger(request, response, () => { });
        assert.deepEqual(response.locals.logger.getMetadata(), {
            correlation_id: undefined,
            request_id: undefined,
        });
    });
    it('correlation id', () => {
        const request = { header: (_key) => undefined };
        const response = { locals: { correlationId: '123', requestId: 'req-1' } };
        injectLogger(request, response, () => { });
        assert.deepEqual(response.locals.logger.getMetadata(), {
            correlation_id: '123',
            request_id: 'req-1',
        });
    });
    it('additional context', () => {
        const additional = JSON.stringify({
            foo: 'bar',
        });
        const request = { header: (_key) => additional };
        const response = { locals: { correlationId: '123' } };
        injectLogger(request, response, () => { });
        assert.deepEqual(response.locals.logger.getMetadata(), {
            correlation_id: '123',
            request_id: undefined,
            foo: 'bar',
        });
    });
    it('malformed additional context', () => {
        const request = { header: (_key) => 'nope' };
        const response = { locals: { correlationId: '123' } };
        injectLogger(request, response, () => { });
        assert.deepEqual(response.locals.logger.getMetadata(), {
            correlation_id: '123',
            request_id: undefined,
        });
    });
    it('sets logger level to debug when X-Unito-Debug header is present', testContext => {
        const request = {
            header: (key) => (key === 'X-Unito-Debug' ? 'true' : undefined),
        };
        const response = { locals: {} };
        const debugSpy = testContext.mock.method(global.console, 'debug', () => { });
        injectLogger(request, response, () => { });
        response.locals.logger.debug('should now be visible');
        assert.strictEqual(debugSpy.mock.calls.length, 1);
    });
    it('keeps default level when X-Unito-Debug header is absent', testContext => {
        const request = { header: (_key) => undefined };
        const response = { locals: {} };
        const debugSpy = testContext.mock.method(global.console, 'debug', () => { });
        injectLogger(request, response, () => { });
        response.locals.logger.debug('should be suppressed');
        assert.strictEqual(debugSpy.mock.calls.length, 0);
    });
});