mirror of https://github.com/node-red/node-red.git
123 lines
4.2 KiB
JavaScript
123 lines
4.2 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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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 linkNode = require("nr-test-utils").require("@node-red/nodes/core/core/60-link.js");
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var helper = require("node-red-node-test-helper");
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describe('link Node', function() {
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before(function(done) {
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helper.startServer(done);
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});
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after(function(done) {
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helper.stopServer(done);
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});
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afterEach(function() {
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helper.unload();
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});
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it('should be loaded (link in)', function(done) {
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var flow = [{id:"n1", type:"link in", name: "link-in" }];
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helper.load(linkNode, flow, function() {
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var n1 = helper.getNode("n1");
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n1.should.have.property('name', 'link-in');
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done();
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});
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});
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it('should be loaded (link out)', function(done) {
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var flow = [{id:"n1", type:"link out", name: "link-out" }];
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helper.load(linkNode, flow, function() {
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var n1 = helper.getNode("n1");
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n1.should.have.property('name', 'link-out');
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done();
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});
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});
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it('should be linked', function(done) {
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var flow = [{id:"n1", type:"link out", name: "link-out", links:["n2"]},
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{id:"n2", type:"link in", name: "link-in", wires:[["n3"]]},
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{id:"n3", type:"helper"}];
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helper.load(linkNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n3 = helper.getNode("n3");
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n3.on("input", function(msg) {
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try {
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msg.should.have.property('payload', 'hello');
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done();
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} catch(err) {
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done(err);
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}
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});
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n1.receive({payload:"hello"});
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});
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});
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it('should be linked to multiple nodes', function(done) {
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var flow = [{id:"n1", type:"link out", name: "link-out", links:["n2", "n3"]},
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{id:"n2", type:"link in", name: "link-in0", wires:[["n4"]]},
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{id:"n3", type:"link in", name: "link-in1", wires:[["n4"]]},
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{id:"n4", type:"helper"} ];
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helper.load(linkNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n4 = helper.getNode("n4");
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var count = 0;
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n4.on("input", function (msg) {
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try {
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msg.should.have.property('payload', 'hello');
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count++;
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if(count == 2) {
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done();
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}
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} catch(err) {
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done(err);
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}
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});
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n1.receive({payload:"hello"});
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});
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});
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it('should be linked from multiple nodes', function(done) {
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var flow = [{id:"n1", type:"link out", name: "link-out0", links:["n3"]},
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{id:"n2", type:"link out", name: "link-out1", links:["n3"]},
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{id:"n3", type:"link in", name: "link-in", wires:[["n4"]]},
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{id:"n4", type:"helper"} ];
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helper.load(linkNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var n4 = helper.getNode("n4");
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var count = 0;
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n4.on("input", function(msg) {
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try {
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msg.should.have.property('payload', 'hello');
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count++;
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if(count == 2) {
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done();
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}
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} catch(err) {
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done(err);
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}
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});
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n1.receive({payload:"hello"});
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n2.receive({payload:"hello"});
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});
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});
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});
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