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'use strict'; require('../common'); const stream = require('stream'); const assert = require('assert'); const repl = require('repl'); let output = ''; const inputStream = new stream.PassThrough(); const outputStream = new stream.PassThrough(); outputStream.on('data', function(d) { output += d; }); const r = repl.start({ input: inputStream, output: outputStream, terminal: true }); r.defineCommand('say1', { help: 'help for say1', action: function(thing) { output = ''; this.output.write(`hello ${thing}\n`); this.displayPrompt(); } }); r.defineCommand('say2', function() { output = ''; this.output.write('hello from say2\n'); this.displayPrompt(); }); inputStream.write('.help\n'); assert.match(output, /\n\.say1 {5}help for say1\n/); assert.match(output, /\n\.say2\n/); inputStream.write('.say1 node developer\n'); assert.ok(output.startsWith('hello node developer\n'), `say1 output starts incorrectly: "${output}"`); assert.ok(output.includes('> '), `say1 output does not include prompt: "${output}"`); inputStream.write('.say2 node developer\n'); assert.ok(output.startsWith('hello from say2\n'), `say2 output starts incorrectly: "${output}"`); assert.ok(output.includes('> '), `say2 output does not include prompt: "${output}"`);