binary.js
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// Load modules
var Lab = require('lab');
var Code = require('code');
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('binary', function () {
it('converts a string to a buffer', function (done) {
Joi.binary().validate('test', function (err, value) {
expect(err).to.not.exist();
expect(value instanceof Buffer).to.equal(true);
expect(value.length).to.equal(4);
expect(value.toString('utf8')).to.equal('test');
done();
});
});
it('validates allowed buffer content', function (done) {
var hello = new Buffer('hello');
var schema = Joi.binary().valid(hello);
Helper.validate(schema, [
['hello', true],
[hello, true],
[new Buffer('hello'), true],
['goodbye', false],
[new Buffer('goodbye'), false],
[new Buffer('HELLO'), false]
], done);
});
describe('#validate', function () {
it('returns an error when a non-buffer or non-string is used', function (done) {
Joi.binary().validate(5, function (err, value) {
expect(err).to.exist();
expect(err.message).to.equal('"value" must be a buffer or a string');
done();
});
});
it('accepts a buffer object', function (done) {
Joi.binary().validate(new Buffer('hello world'), function (err, value) {
expect(err).to.not.exist();
expect(value.toString('utf8')).to.equal('hello world');
done();
});
});
});
describe('#encoding', function () {
it('applies encoding', function (done) {
var schema = Joi.binary().encoding('base64');
var input = new Buffer('abcdef');
schema.validate(input.toString('base64'), function (err, value) {
expect(err).to.not.exist();
expect(value instanceof Buffer).to.equal(true);
expect(value.toString()).to.equal('abcdef');
done();
});
});
it('throws when encoding is invalid', function (done) {
expect(function () {
Joi.binary().encoding('base6');
}).to.throw('Invalid encoding: base6');
done();
});
});
describe('#min', function () {
it('validates buffer size', function (done) {
var schema = Joi.binary().min(5);
Helper.validate(schema, [
[new Buffer('testing'), true],
[new Buffer('test'), false]
], done);
});
it('throws when min is not a number', function (done) {
expect(function () {
Joi.binary().min('a');
}).to.throw('limit must be a positive integer');
done();
});
it('throws when min is not an integer', function (done) {
expect(function () {
Joi.binary().min(1.2);
}).to.throw('limit must be a positive integer');
done();
});
});
describe('#max', function () {
it('validates buffer size', function (done) {
var schema = Joi.binary().max(5);
Helper.validate(schema, [
[new Buffer('testing'), false],
[new Buffer('test'), true]
], done);
});
it('throws when max is not a number', function (done) {
expect(function () {
Joi.binary().max('a');
}).to.throw('limit must be a positive integer');
done();
});
it('throws when max is not an integer', function (done) {
expect(function () {
Joi.binary().max(1.2);
}).to.throw('limit must be a positive integer');
done();
});
});
describe('#length', function () {
it('validates buffer size', function (done) {
var schema = Joi.binary().length(4);
Helper.validate(schema, [
[new Buffer('test'), true],
[new Buffer('testing'), false]
], done);
});
it('throws when length is not a number', function (done) {
expect(function () {
Joi.binary().length('a');
}).to.throw('limit must be a positive integer');
done();
});
it('throws when length is not an integer', function (done) {
expect(function () {
Joi.binary().length(1.2);
}).to.throw('limit must be a positive integer');
done();
});
});
});