node-restify-validation/test/units/index_test.js

```diff -Maintener wanted ``` Validation for REST Services built with [node-restify](https://github.com/mcavage/node-restify) in node.js

/* 
 * The MIT License
 *
 * Copyright 2014 Timo Behrmann, Guillaume Chauvet.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
var should = require('should');
var sinon = require('sinon');
var index = require('../../lib/index');

var req_validation_empty = { route: { validation: {} } };
var req_empty = { route: {} };
var res_empty = {};
var error = [
    { foo: 'bar' }
];

describe('Plugin test', function () {
    it('Plugin is available', function (done) {
        index.validationPlugin.should.have.type('function');
        index.validationPlugin().should.have.type('function');
        done();
    });

    it('Call handleErrors on validation failures', function (done) {
        var processValidation = sinon.stub(index.validation, 'process', function (validationModel, req, options) {
            return error;
        });

        var handleErrors = sinon.stub(index.error, 'handle', function (errors, req, res, options, next) {
            errors.should.equal(error);
            req.should.equal(req_validation_empty);
            res.should.equal(res_empty);
            processValidation.called.should.be.ok();
            handleErrors.called.should.be.ok();
            processValidation.restore();
            handleErrors.restore();
            done();
            return null;
        });

        index.validationPlugin()(req_validation_empty, res_empty, function () {
            true.should.not.be.ok;
        });
    });

    it('Call next on successful validation', function (done) {
        var processValidation = sinon.stub(index.validation, 'process', function (validationModel, req, options) {
            req.should.equal(req_validation_empty);
            return [];
        });

        var handleErrorsSpy = sinon.spy(index.error, 'handle');

        index.validationPlugin()(req_validation_empty, res_empty, function () {
            handleErrorsSpy.called.should.not.be.ok;
            handleErrorsSpy.restore();
            processValidation.called.should.be.ok();
            processValidation.restore();
            done();
        });
    });

    it('Call next if no validation model is defined', function (done) {
        var processValidation = sinon.spy(index.validation, 'process');
        var handleErrorsSpy = sinon.spy(index.error, 'handle');

        index.validationPlugin()(req_empty, res_empty, function () {
            processValidation.called.should.not.be.ok;
            processValidation.restore();
            handleErrorsSpy.called.should.not.be.ok;
            handleErrorsSpy.restore();
            done();
        });
    });
});