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/*
* helpers.js: test helpers for the prompt tests.
*
* (C) 2010, Nodejitsu Inc.
*
*/
var stream = require('stream'),
util = require('util'),
prompt = require('../lib/prompt');
var helpers = exports;
var MockReadWriteStream = helpers.MockReadWriteStream = function () {
//
// No need to do anything here, it's just a mock.
//
var self = this;
this.on('pipe', function (src) {
var _emit = src.emit;
src.emit = function () {
//console.dir(arguments);
_emit.apply(src, arguments);
};
src.on('data', function (d) {
self.emit('data', d + '');
})
})
};
util.inherits(MockReadWriteStream, stream.Stream);
['resume', 'pause', 'setEncoding', 'flush', 'end'].forEach(function (method) {
MockReadWriteStream.prototype[method] = function () { /* Mock */ };
});
MockReadWriteStream.prototype.write = function (msg) {
this.emit('data', msg);
return true;
};
MockReadWriteStream.prototype.writeNextTick = function (msg) {
var self = this
process.nextTick(function () {
self.write(msg);
});
};
//
// Create some mock streams for asserting against
// in our prompt teSts.
//
helpers.stdin = new MockReadWriteStream();
helpers.stdout = new MockReadWriteStream();
helpers.stderr = new MockReadWriteStream();
//
// Because `read` uses a `process.nextTick` for reading from
// stdin, it is necessary to write sequences of input with extra
// `process.nextTick` calls
//
helpers.stdin.writeSequence = function (lines) {
if (!lines || !lines.length) {
return;
}
helpers.stdin.writeNextTick(lines.shift());
prompt.once('prompt', function () {
process.nextTick(function () {
helpers.stdin.writeSequence(lines);
});
});
}
//
// Monkey punch `util.error` to silence console output
// and redirect to helpers.stderr for testing.
//
process.stderr.write = function () {
helpers.stderr.write.apply(helpers.stderr, arguments);
}
// 1) .properties
// 2) warning --> message
// 3) Name --> description || key
// 4) validator --> conform (fxns), pattern (regexp), format (built-in)
// 5) empty --> required
helpers.schema = {
properties: {
oldschema: {
message: 'Enter your username',
validator: /^[\w|\-]+$/,
warning: 'username can only be letters, numbers, and dashes',
empty: false
},
riffwabbles: {
pattern: /^[\w|\-]+$/,
message: 'riffwabbles can only be letters, numbers, and dashes',
default: 'foobizzles'
},
number: {
type: 'number',
message: 'pick a number, any number',
default: 10
},
integer: {
type: 'integer'
},
boolean: {
type: 'boolean'
},
username: {
pattern: /^[\w|\-]+$/,
message: 'Username can only be letters, numbers, and dashes'
},
notblank: {
required: true
},
password: {
hidden: true,
required: true
},
badValidator: {
pattern: ['cant', 'use', 'array']
},
animal: {
description: 'Enter an animal',
default: 'dog',
pattern: /dog|cat/
},
sound: {
description: 'What sound does this animal make?',
conform: function (value) {
var animal = prompt.history(0).value;
return animal === 'dog' && value === 'woof'
|| animal === 'cat' && value === 'meow';
}
},
fnvalidator: {
name: 'fnvalidator',
validator: function (line) {
return line.slice(0,2) == 'fn';
},
message: 'fnvalidator must start with "fn"'
},
fnconform: {
conform: function (line) {
return line.slice(0,2) == 'fn';
},
message: 'fnconform must start with "fn"'
}/*,
cbvalidator: {
conform: function (line, next) {
next(line.slice(0,2) == 'cb');
},
message: 'cbvalidator must start with "cb"'
}*/
}
};
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