logger/test/console.test.ts

import { afterEach, describe, expect, it, vi } from 'vitest';
import { createConsoleSink } from '../src/index';
import type { LogEvent } from '../src/index';

function event(overrides: Partial<LogEvent> = {}): LogEvent {
    return {
        level: 'debug',
        namespace: 'API',
        arguments: ['hello'],
        timestamp: new Date(),
        environment: 'development',
        sendToSentryLogs: false,
        sendToSentryIssue: false,
        sendToConsole: true,
        ...overrides,
    };
}

describe('createConsoleSink', () => {
    afterEach(() => {
        vi.restoreAllMocks();
    });

    it('appends [async] to the namespace label when event.async is set', () => {
        const debug = vi.spyOn(console, 'debug').mockImplementation(() => undefined);
        createConsoleSink().emit(event({ async: true }));
        expect(debug).toHaveBeenCalled();
        const first = debug.mock.calls[0]?.[0];
        expect(String(first)).toContain('[API][async]');
    });

    it('omits [async] for synchronous events', () => {
        const debug = vi.spyOn(console, 'debug').mockImplementation(() => undefined);
        createConsoleSink().emit(event());
        expect(debug).toHaveBeenCalled();
        const first = debug.mock.calls[0]?.[0];
        expect(String(first)).toContain('[API]');
        expect(String(first)).not.toContain('[async]');
    });
});