function.js
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// Load modules
var Code = require('code');
var Lab = require('lab');
var Joi = require('../lib');
var Helper = require('./helper');
// Declare internals
var internals = {};
// Test shortcuts
var lab = exports.lab = Lab.script();
var describe = lab.describe;
var it = lab.it;
var expect = Code.expect;
describe('func', function () {
it('validates a function', function (done) {
Helper.validate(Joi.func().required(), [
[function () { }, true],
['', false]
], done);
});
it('validates a function with keys', function (done) {
var a = function () { };
a.a = 'abc';
var b = function () { };
b.a = 123;
Helper.validate(Joi.func().keys({ a: Joi.string().required() }).required(), [
[function () { }, false],
[a, true],
[b, false],
['', false]
], done);
});
it('keeps validated value as a function', function (done) {
var schema = Joi.func().keys({ a: Joi.number() });
var b = 'abc';
var value = function () {
return b;
};
value.a = '123';
schema.validate(value, function (err, validated) {
expect(validated).to.be.a.function();
expect(validated()).to.equal('abc');
expect(validated).to.not.equal(value);
done();
});
});
it('retains validated value prototype', function (done) {
var schema = Joi.func().keys({ a: Joi.number() });
var value = function () {
this.x = 'o';
};
value.prototype.get = function () {
return this.x;
};
schema.validate(value, function (err, validated) {
expect(validated).to.be.a.function();
var p = new validated();
expect(p.get()).to.equal('o');
expect(validated).to.not.equal(value);
done();
});
});
it('keeps validated value as a function (no clone)', function (done) {
var schema = Joi.func();
var b = 'abc';
var value = function () {
return b;
};
value.a = '123';
schema.validate(value, function (err, validated) {
expect(validated).to.be.a.function();
expect(validated()).to.equal('abc');
expect(validated).to.equal(value);
done();
});
});
});