application-services/dist/services/APP_CONFIG.test.js

Out of the box application environment and configuration service.

import { describe, it, beforeEach, jest, expect } from '@jest/globals';
import { YError } from 'yerror';
import initAppConfig from './APP_CONFIG.js';
import { NodeEnv } from './ENV.js';
describe('initAppConfig', () => {
    const log = jest.fn();
    const importer = jest.fn();
    beforeEach(() => {
        log.mockReset();
        importer.mockReset();
    });
    it('should work with existing configs', async () => {
        importer.mockResolvedValueOnce({
            default: {
                BASE_ENV: {
                    NODE_ENV: NodeEnv.Test,
                },
            },
        });
        const APP_CONFIG = await initAppConfig({
            APP_ENV: 'local',
            MAIN_FILE_URL: 'file:///home/whoami/my-whook-project/src/index.js',
            log,
            importer,
        });
        expect({
            APP_CONFIG,
            logCalls: log.mock.calls.filter((args) => 'debug-stack' !== args[0]),
            importerCalls: importer.mock.calls,
        }).toMatchInlineSnapshot(`
     {
       "APP_CONFIG": {
         "BASE_ENV": {
           "NODE_ENV": "test",
         },
       },
       "importerCalls": [
         [
           "file:///home/whoami/my-whook-project/src/config/local/config.js",
         ],
       ],
       "logCalls": [
         [
           "debug",
           "🏭 - Initializing the APP_CONFIG service.",
         ],
         [
           "warning",
           "⚡ - Loading configurations from "file:///home/whoami/my-whook-project/src/config/local/config.js".",
         ],
       ],
     }
    `);
    });
    it('should fail with non-existing file', async () => {
        importer.mockImplementationOnce(() => {
            throw new Error('EEXISTS');
        });
        try {
            await initAppConfig({
                APP_ENV: 'local',
                MAIN_FILE_URL: 'file:///home/whoami/my-whook-project/src/index.js',
                log,
                importer,
            });
            throw new YError('E_UNEXPECTED_SUCCESS');
        }
        catch (err) {
            expect({
                errorCode: err.code,
                errorDebug: err.debug,
                logCalls: log.mock.calls.filter(([type]) => !type.endsWith('stack')),
                importerCalls: importer.mock.calls,
            }).toMatchInlineSnapshot(`
       {
         "errorCode": "E_NO_CONFIG",
         "errorDebug": [
           "file:///home/whoami/my-whook-project/src/config/local/config.js",
         ],
         "importerCalls": [
           [
             "file:///home/whoami/my-whook-project/src/config/local/config.js",
           ],
         ],
         "logCalls": [
           [
             "debug",
             "🏭 - Initializing the APP_CONFIG service.",
           ],
           [
             "warning",
             "⚡ - Loading configurations from "file:///home/whoami/my-whook-project/src/config/local/config.js".",
           ],
           [
             "warning",
             "☢ - Could not load configuration file "file:///home/whoami/my-whook-project/src/config/local/config.js".",
           ],
         ],
       }
      `);
        }
    });
});
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