391 lines
12 KiB
JavaScript
391 lines
12 KiB
JavaScript
'use strict';
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var expect = require('expect.js');
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var promptly = require('../index');
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var async = require('async');
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// Mock stdout
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var stdout = '';
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var oldWrite = process.stdout.write;
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process.stdout.write = function (data) {
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stdout += data;
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return oldWrite.apply(process.stdout, arguments);
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};
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// Function to send a line to stdin
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function sendLine(line) {
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setImmediate(function () {
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process.stdin.emit('data', line + '\n');
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});
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}
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beforeEach(function () {
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stdout = '';
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});
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describe('prompt()', function () {
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it('should prompt the user', function (next) {
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promptly.prompt('something: ', function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('yeaa');
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expect(stdout).to.contain('something: ');
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next();
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});
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sendLine('yeaa');
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});
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it('should keep asking if no value is passed and no default was defined', function (next) {
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promptly.prompt('something: ', function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('yeaa');
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expect(stdout).to.contain('something: ');
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expect(stdout.indexOf('something')).to.not.be(stdout.lastIndexOf('something'));
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next();
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});
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sendLine('');
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sendLine('yeaa');
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});
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it('should assume default value if nothing is passed', function (next) {
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promptly.prompt('something: ', { 'default': 'myValue' }, function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('myValue');
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expect(stdout).to.contain('something: ');
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next();
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});
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sendLine('');
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});
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it('should trim the user input if trim is enabled', function (next) {
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promptly.prompt('something: ', { trim: true }, function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('yeaa');
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expect(stdout).to.contain('something: ');
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next();
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});
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sendLine(' yeaa ');
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});
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it('should call validator after trimming', function (next) {
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function validator(value) {
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if (value !== 'yeaa') {
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throw new Error('bla');
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}
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return value;
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}
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promptly.prompt('something: ', { validator: validator, retry: false }, function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('yeaa');
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expect(stdout).to.contain('something: ');
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next();
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});
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sendLine(' yeaa ');
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});
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it('should assume values from the validator', function (next) {
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function validator() { return 'bla'; }
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promptly.prompt('something: ', { validator: validator }, function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('bla');
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expect(stdout).to.contain('something: ');
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next();
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});
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sendLine(' yeaa ');
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});
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it('should automatically retry if a validator fails by default', function (next) {
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function validator(value) {
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if (value !== 'yeaa') {
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throw new Error('bla');
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}
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return value;
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}
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promptly.prompt('something: ', { validator: validator, retry: true }, function (err, value) {
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expect(stdout).to.contain('something: ');
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expect(stdout.indexOf('something')).to.not.be(stdout.lastIndexOf('something'));
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expect(stdout).to.contain('bla');
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expect(value).to.equal('yeaa');
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next();
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});
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sendLine('wtf');
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sendLine('yeaa');
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});
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it('should give error if the validator fails and retry is false', function (next) {
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function validator() { throw new Error('bla'); }
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promptly.prompt('something: ', { validator: validator, retry: false }, function (err) {
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expect(err).to.be.an(Error);
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expect(err.message).to.be('bla');
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expect(stdout).to.contain('something: ');
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next();
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});
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sendLine(' yeaa ');
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});
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it('should give retry ability on error', function (next) {
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var times = 0;
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function validator(value) {
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if (value !== 'yeaa') {
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throw new Error('bla');
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}
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return value;
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}
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promptly.prompt('something: ', { validator: validator, retry: false }, function (err, value) {
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times++;
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if (times === 1) {
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expect(err).to.be.an(Error);
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err.retry();
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return sendLine('yeaa');
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}
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expect(value).to.equal('yeaa');
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expect(stdout).to.contain('something: ');
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expect(stdout.indexOf('something')).to.not.be(stdout.lastIndexOf('something'));
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next();
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});
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sendLine('wtf');
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});
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it('should write input to stdout by default', function (next) {
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promptly.prompt('something: ', function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('yeaa');
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expect(stdout).to.contain('something: ');
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expect(stdout).to.contain(value);
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next();
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});
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sendLine('yeaa');
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});
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it('should write input to stdout if silent is false', function (next) {
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promptly.prompt('something: ', { silent: true }, function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('yeaa');
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expect(stdout).to.contain('something: ');
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expect(stdout).to.not.contain(value);
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next();
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});
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sendLine('yeaa');
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});
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it('should prompt the user (using promise)', function (next) {
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promptly.prompt('something: ')
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.then(function (value) {
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expect(value).to.be('yeaa');
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expect(stdout).to.contain('something: ');
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next();
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})
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.catch(function () {
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expect().fail();
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next();
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});
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sendLine('yeaa');
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});
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});
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describe('choose()', function () {
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it('should keep asking on invalid choice', function (next) {
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promptly.choose('apple or orange? ', ['apple', 'orange'], function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('orange');
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expect(stdout).to.contain('apple or orange? ');
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expect(stdout.indexOf('apple or orange')).to.not.be(stdout.lastIndexOf('apple or orange'));
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expect(stdout).to.contain('Invalid choice');
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next();
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});
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sendLine('bleh');
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sendLine('orange');
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});
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it('should error on invalid choice if retry is disabled', function (next) {
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promptly.choose('apple or orange? ', ['apple', 'orange'], { retry: false }, function (err) {
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expect(err).to.be.an(Error);
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expect(err.message).to.contain('choice');
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expect(stdout).to.contain('apple or orange? ');
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next();
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});
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sendLine('bleh');
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});
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it('should be ok on valid choice', function (next) {
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promptly.choose('apple or orange? ', ['apple', 'orange'], function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be('apple');
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expect(stdout).to.contain('apple or orange? ');
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next();
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});
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sendLine('apple');
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});
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it('should not use strict comparison when matching against valid choices', function (next) {
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promptly.choose('choices: ', [1, 2, 3], function (err, value) {
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expect(err).to.be(null);
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expect(typeof value).to.equal('number');
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expect(value).to.be(1);
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expect(stdout).to.contain('choices: ');
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next();
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});
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sendLine('1');
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});
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it('should work using promise', function (next) {
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promptly.choose('apple or orange? ', ['apple', 'orange'])
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.then(function (value) {
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expect(value).to.be('orange');
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expect(stdout).to.contain('apple or orange? ');
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next();
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})
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.catch(function () {
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expect().fail();
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next();
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});
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sendLine('orange');
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});
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});
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describe('confirm()', function () {
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it('should be ok on valid choice and coerce to boolean values', function (next) {
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async.forEachSeries(['yes', 'Y', 'y', '1'], function (truthy, next) {
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promptly.confirm('test yes? ', { retry: false }, function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be(true);
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expect(stdout).to.contain('test yes? ');
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next();
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});
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sendLine(truthy);
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}, function () {
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async.forEachSeries(['no', 'N', 'n', '0'], function (truthy, next) {
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promptly.confirm('test no? ', function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be(false);
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expect(stdout).to.contain('test no? ');
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next();
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});
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sendLine(truthy);
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}, next);
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});
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});
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it('should keep asking on invalid choice', function (next) {
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promptly.confirm('yes or no? ', function (err, value) {
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expect(err).to.be(null);
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expect(value).to.be(true);
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expect(stdout).to.contain('yes or no? ');
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expect(stdout.indexOf('yes or no')).to.not.be(stdout.lastIndexOf('yes or no'));
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next();
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});
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sendLine('bleh');
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sendLine('y');
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});
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it('should error on invalid choice if retry is disabled', function (next) {
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promptly.confirm('yes or no? ', { retry: false }, function (err) {
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expect(err).to.be.an(Error);
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expect(err.message).to.not.contain('Invalid choice');
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expect(stdout).to.contain('yes or no? ');
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next();
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});
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sendLine('bleh');
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});
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it('should work using promise', function (next) {
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promptly.confirm('yes or no? ')
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.then(function (value) {
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expect(stdout).to.contain('yes or no? ');
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expect(value).to.be(true);
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next();
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})
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.catch(function () {
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expect().fail();
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next();
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});
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sendLine('y');
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});
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});
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describe('password()', function () {
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it('should prompt the user silently', function (next) {
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promptly.password('something: ', function (err, value) {
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expect(value).to.be('yeaa');
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expect(stdout).to.contain('something: ');
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expect(stdout).to.not.contain('yeaa');
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next();
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});
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sendLine('yeaa');
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});
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it('should not trim by default', function (next) {
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promptly.password('something: ', function (err, value) {
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expect(value).to.be(' yeaa ');
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expect(stdout).to.contain('something: ');
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expect(stdout).to.not.contain(' yeaa ');
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next();
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});
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sendLine(' yeaa ');
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});
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it('show allow empty passwords by default', function (next) {
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promptly.password('something: ', function (err, value) {
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expect(value).to.be('');
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expect(stdout).to.contain('something: ');
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next();
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});
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sendLine('');
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});
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it('should prompt the user silently using promise', function (next) {
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promptly.password('something: ')
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.then(function (value) {
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expect(value).to.be('yeaa');
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expect(stdout).to.contain('something: ');
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expect(stdout).to.not.contain('yeaa');
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next();
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})
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.catch(function () {
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expect().fail();
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next();
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});
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sendLine('yeaa');
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});
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});
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