progress-logger.test.ts

import ActualProgressLogger from '@progress-logger';
import { LogMessage } from '@progress-logger/types';
import { mockConfigValue, restoreMockConfig } from '__mocks__/@config';
import { getLastCallArguments } from '../utils';

jest.unmock('@progress-logger');

describe('progress-logger', () => {
    let ProgressLogger: typeof ActualProgressLogger;

    beforeEach(() => {
        restoreMockConfig();

        jest.isolateModules(() => {
            ProgressLogger = require('../../lib/progress-logger').default;
        });
    });

    test('listeners are notified about new messages', () => {
        const onMessage = jest.fn();
        const message: LogMessage = { content: 'A', level: 'warn' };

        ProgressLogger.on('message', onMessage);
        ProgressLogger.addNewMessage(message);

        expect(onMessage).toHaveBeenCalledWith(message);
    });

    test('messages are filterd by config.logLevel', () => {
        mockConfigValue({ logLevel: 'warn' });

        const onMessage = jest.fn();
        const message: LogMessage = { content: 'A', level: 'info' };

        ProgressLogger.on('message', onMessage);
        ProgressLogger.addNewMessage(message);

        expect(onMessage).not.toHaveBeenCalled();
    });

    test('ci status messages include repositories and error count', () => {
        // Expected to affect repository count in status message
        mockConfigValue({ repositories: ['1', '2', '3', '4', '5'] });

        const onCiKeepAlive = jest.fn();
        ProgressLogger.on('ciKeepAlive', onCiKeepAlive);

        ProgressLogger.onLintEnd('mock-repository', 5);
        ProgressLogger.onCiStatus();

        expect(getLastCallArguments(onCiKeepAlive)).toMatchInlineSnapshot(`
            "[INFO/STATUS] Repositories (1/5)
            [INFO/STATUS] Errors (5)

            "
        `);
    });

    test('ci status messages include current tasks', () => {
        const onCiKeepAlive = jest.fn();
        ProgressLogger.on('ciKeepAlive', onCiKeepAlive);

        ProgressLogger.onLintStart('repository-one', 12);
        ProgressLogger.onRepositoryClone('repositry-two');
        ProgressLogger.onRepositoryRead('repository-three');
        ProgressLogger.onRepositoryPull('repository-four');
        ProgressLogger.onCiStatus();

        expect(getLastCallArguments(onCiKeepAlive)).toMatchInlineSnapshot(`
            "[INFO/STATUS] Repositories (0/3)
            [INFO/STATUS] Errors (0)
            [INFO/LINTING] repository-one - 12 files
            [INFO/CLONING] repositry-two
            [INFO/READING] repository-three
            [INFO/PULLING] repository-four
            "
        `);
    });
});