mirror of https://github.com/node-red/node-red.git
110 lines
3.8 KiB
JavaScript
110 lines
3.8 KiB
JavaScript
/**
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* Copyright 2014 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var should = require("should");
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var util = require("../../red/util");
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describe("red/util", function() {
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// only test for things not tested by overall grunt
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describe('compareObjects', function() {
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it('unequal arrays are unequal', function() {
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util.compareObjects(["a"],"a").should.equal(false);
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});
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it('unequal key lengths are unequal', function() {
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util.compareObjects({"a":1},{"a":1,"b":1}).should.equal(false);
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});
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});
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describe('ensureString', function() {
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it('strings are preserved', function() {
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util.ensureString('string').should.equal('string');
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});
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it('Buffer is converted', function() {
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var s = util.ensureString(new Buffer('foo'));
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s.should.equal('foo');
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(typeof s).should.equal('string');
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});
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it('Object is converted to JSON', function() {
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var s = util.ensureString({foo: "bar"});
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(typeof s).should.equal('string');
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should.deepEqual(JSON.parse(s), {foo:"bar"});
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});
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it('stringifies other things', function() {
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var s = util.ensureString(123);
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(typeof s).should.equal('string');
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s.should.equal('123');
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});
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});
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describe('ensureBuffer', function() {
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it('Buffers are preserved', function() {
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var b = new Buffer('');
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util.ensureBuffer(b).should.equal(b);
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});
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it('string is converted', function() {
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var b = util.ensureBuffer('foo');
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var expected = new Buffer('foo');
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for (var i = 0; i < expected.length; i++) {
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b[i].should.equal(expected[i]);
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}
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Buffer.isBuffer(b).should.equal(true);
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});
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it('Object is converted to JSON', function() {
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var obj = {foo: "bar"}
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var b = util.ensureBuffer(obj);
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Buffer.isBuffer(b).should.equal(true);
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should.deepEqual(JSON.parse(b), obj);
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});
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it('stringifies other things', function() {
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var b = util.ensureBuffer(123);
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Buffer.isBuffer(b).should.equal(true);
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var expected = new Buffer('123');
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for (var i = 0; i < expected.length; i++) {
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b[i].should.equal(expected[i]);
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}
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});
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});
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describe('cloneMessage', function() {
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it('clones a simple message', function() {
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var msg = {string:"hi",array:[1,2,3],object:{a:1,subobject:{b:2}}};
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var cloned = util.cloneMessage(msg);
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cloned.should.eql(msg);
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cloned.should.not.equal(msg);
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cloned.array.should.not.equal(msg.string);
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cloned.object.should.not.equal(msg.object);
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cloned.object.subobject.should.not.equal(msg.object.subobject);
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cloned.should.not.have.property("req");
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cloned.should.not.have.property("res");
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});
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it('does not clone http req/res properties', function() {
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var msg = {req:{a:1},res:{b:2}};
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var cloned = util.cloneMessage(msg);
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cloned.should.eql(msg);
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cloned.should.not.equal(msg);
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cloned.req.should.equal(msg.req);
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cloned.res.should.equal(msg.res);
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});
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});
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});
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