log4js-node/test/tap/stdoutAppender-test.js

'use strict';

const test = require('tap').test;
const layouts = require('../../lib/layouts');
const sandbox = require('@log4js-node/sandboxed-module');

test('stdout appender', (t) => {
  const output = [];

  const appender = sandbox.require(
    '../../lib/appenders/stdout',
    {
      globals: {
        process: {
          stdout: {
            write: function (data) {
              output.push(data);
            }
          }
        }
      }
    }
  ).configure({ type: 'stdout', layout: { type: 'messagePassThrough' } }, layouts);

  appender({ data: ['cheese'] });
  t.plan(2);
  t.equal(output.length, 1, 'There should be one message.');
  t.equal(output[0], 'cheese\n', 'The message should be cheese.');
  t.end();
});