dgbuilder/test/nodes/core/core/20-inject_spec.js

   1 /**
   2  * Copyright 2014 IBM Corp.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  **/
  16
  17 var should = require("should");
  18 var injectNode = require("../../../../nodes/core/core/20-inject.js");
  19 var helper = require("../../helper.js");
  20
  21 describe('inject node', function() {
  22
  23     before(function(done) {
  24         helper.startServer(done);
  25     });
  26
  27     afterEach(function() {
  28         helper.unload();
  29     });
  30
  31     it('should inject once', function(done) {
  32
  33         helper.load(injectNode, [{id:"n1", type:"inject",
  34                     payload:"payload", topic: "t1",
  35                     once: true, wires:[["n2"]] },
  36                    {id:"n2", type:"helper"}],
  37                   function() {
  38                       var n2 = helper.getNode("n2");
  39                       n2.on("input", function(msg) {
  40                           msg.should.have.property('topic', 't1');
  41                           msg.should.have.property('payload', 'payload');
  42                           done();
  43                       });
  44                   });
  45     });
  46
  47     it('should inject repeatedly', function(done) {
  48
  49         helper.load(injectNode, [{id:"n1", type:"inject",
  50                     payload:"payload", topic: "t2",
  51                     repeat: 0.2, wires:[["n2"]] },
  52                    {id:"n2", type:"helper"}],
  53                   function() {
  54                       var n2 = helper.getNode("n2");
  55                       var count = 0;
  56                       n2.on("input", function(msg) {
  57                           msg.should.have.property('topic', 't2');
  58                           msg.should.have.property('payload', 'payload');
  59                           count += 1;
  60                           if (count > 2) {
  61                               helper.clearFlows().then(function() {
  62                                   done();
  63                               });
  64                           }
  65                       });
  66                   });
  67     });
  68
  69     it('should inject with cron', function(done) {
  70         helper.load(injectNode, [{id:"n1", type:"inject",
  71                     payloadType:"date", topic: "t3",
  72                     crontab: "* * * * * *", wires:[["n3"]] },
  73                    {id:"n3", type:"helper"}],
  74                   function() {
  75                       var n3 = helper.getNode("n3");
  76                       n3.on("input", function(msg) {
  77                           msg.should.have.property('topic', 't3');
  78                           msg.should.have.property('payload').be.a.Number;
  79                           helper.clearFlows().then(function() {
  80                               done();
  81                           });
  82                       });
  83                   });
  84     });
  85
  86     describe('post', function() {
  87         it('should inject message', function(done) {
  88             helper.load(injectNode,
  89                         [{id:"n1", type:"inject",
  90                           payloadType:"some type", topic: "t4",
  91                           wires:[["n4"]] },
  92                          { id:"n4", type:"helper"}], function() {
  93                              var n4 = helper.getNode("n4");
  94                              n4.on("input", function(msg) {
  95                                  msg.should.have.property('topic', 't4');
  96                                  msg.should.have.property('payload', '');
  97                                  helper.clearFlows().then(function() {
  98                                      done();
  99                                  });
 100                              });
 101                              helper.request()
 102                                  .post('/inject/n1')
 103                                  .expect(200).end(function(err) {
 104                                      if (err) {
 105                                          return helper.clearFlows()
 106                                              .then(function () {
 107                                                  done(err);
 108                                              });
 109                                      }
 110                                  });
 111                          });
 112         });
 113
 114         it('should fail for invalid node', function(done) {
 115             helper.request().post('/inject/invalid').expect(404).end(done);
 116         });
 117     });
 118 });