1
0
mirror of https://github.com/node-red/node-red.git synced 2023-10-10 13:36:53 +02:00
node-red/test/nodes/core/function/10-function_spec.js
2019-08-21 14:23:23 +01:00

1485 lines
62 KiB
JavaScript

/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var should = require("should");
var functionNode = require("nr-test-utils").require("@node-red/nodes/core/function/10-function.js");
var Context = require("nr-test-utils").require("@node-red/runtime/lib/nodes/context");
var helper = require("node-red-node-test-helper");
describe('function node', function() {
before(function(done) {
helper.startServer(done);
});
after(function(done) {
helper.stopServer(done);
});
function initContext(done) {
Context.init({
contextStorage: {
memory1: {
module: "memory"
},
memory2: {
module: "memory"
}
}
});
Context.load().then(function () {
done();
});
}
afterEach(function() {
helper.unload().then(function () {
return Context.clean({allNodes:{}});
}).then(function () {
return Context.close();
});
});
it('should be loaded', function(done) {
var flow = [{id:"n1", type:"function", name: "function" }];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
n1.should.have.property('name', 'function');
done();
});
});
it('should send returned message', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should send returned message using send()', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"node.send(msg);"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should pass through _topic', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
msg.should.have.property('_topic', 'baz');
done();
});
n1.receive({payload:"foo",topic: "bar", _topic: "baz"});
});
});
it('should send to multiple outputs', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"],["n3"]],
func:"return [{payload: '1'},{payload: '2'}];"},
{id:"n2", type:"helper"}, {id:"n3", type:"helper"} ];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var n3 = helper.getNode("n3");
var count = 0;
n2.on("input", function(msg) {
should(msg).have.property('payload', '1');
count++;
if (count == 2) {
done();
}
});
n3.on("input", function(msg) {
should(msg).have.property('payload', '2');
count++;
if (count == 2) {
done();
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should send to multiple messages', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],
func:"return [[{payload: 1},{payload: 2}]];"},
{id:"n2", type:"helper"} ];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var count = 0;
n2.on("input", function(msg) {
count++;
try {
should(msg).have.property('payload', count);
should(msg).have.property('_msgid', 1234);
if (count == 2) {
done();
}
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo", topic: "bar",_msgid:1234});
});
});
it('should allow input to be discarded by returning null', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return null"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
setTimeout(function() {
done();
}, 20);
n2.on("input", function(msg) {
should.fail(null,null,"unexpected message");
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should handle null amongst valid messages', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return [[msg,null,msg],null]"},
{id:"n2", type:"helper"},
{id:"n3", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var n3 = helper.getNode("n3");
var n2MsgCount = 0;
var n3MsgCount = 0;
n2.on("input", function(msg) {
n2MsgCount++;
});
n3.on("input", function(msg) {
n3MsgCount++;
});
n1.receive({payload:"foo",topic: "bar"});
setTimeout(function() {
n2MsgCount.should.equal(2);
n3MsgCount.should.equal(0);
done();
},20);
});
});
it('should get keys in global context', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=global.keys();return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().global.set("count","0");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', ['count']);
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
function testNonObjectMessage(functionText,done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:functionText},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var n2MsgCount = 0;
n2.on("input", function(msg) {
n2MsgCount++;
});
n1.receive({});
setTimeout(function() {
try {
n2MsgCount.should.equal(0);
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().ERROR);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'function.error.non-message-returned');
done();
} catch(err) {
done(err);
}
},20);
});
}
it('should drop and log non-object message types - string', function(done) {
testNonObjectMessage('return "foo"', done)
});
it('should drop and log non-object message types - buffer', function(done) {
testNonObjectMessage('return Buffer.from("hello")', done)
});
it('should drop and log non-object message types - array', function(done) {
testNonObjectMessage('return [[[1,2,3]]]', done)
});
it('should drop and log non-object message types - boolean', function(done) {
testNonObjectMessage('return true', done)
});
it('should drop and log non-object message types - number', function(done) {
testNonObjectMessage('return 123', done)
});
it('should handle and log script error', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"var a = 1;\nretunr"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
n1.receive({payload:"foo",topic: "bar"});
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().ERROR);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'ReferenceError: retunr is not defined (line 2, col 1)');
done();
} catch(err) {
done(err);
}
},50);
});
});
it('should handle node.on()', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"node.on('close',function(){ node.log('closed')});"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
n1.receive({payload:"foo",topic: "bar"});
setTimeout(function() {
n1.close().then(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().INFO);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'closed');
done();
} catch(err) {
done(err);
}
});
},1500);
});
});
it('should set node context', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.set('count','0');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n1.context().get("count").should.equal("0");
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should set persistable node context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.set('count','0','memory1');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n1.context().get("count", "memory1", function (err, val) {
val.should.equal("0");
done();
});
}
catch (e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set two persistable node context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.set('count','0','memory1');context.set('count','1','memory2');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n1.context().get("count", "memory1", function (err, val1) {
val1.should.equal("0");
n1.context().get("count", "memory2", function (err, val2) {
val2.should.equal("1");
done();
});
});
}
catch (e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set two persistable node context (single call, w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.set(['count1','count2'],['0','1'],'memory1');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n1.context().get("count1", "memory1", function (err, val1) {
val1.should.equal("0");
n1.context().get("count2", "memory1", function (err, val2) {
val2.should.equal("1");
done();
});
});
}
catch (e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set persistable node context (w callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.set('count','0','memory1', function (err) { node.send(msg); });"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n1.context().get("count", "memory1", function (err, val) {
val.should.equal("0");
done();
});
}
catch (e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set two persistable node context (w callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.set('count','0','memory1', function (err) { context.set('count', '1', 'memory2', function (err) { node.send(msg); }); });"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n1.context().get("count", "memory1", function (err, val1) {
val1.should.equal("0");
n1.context().get("count", "memory1", function (err, val2) {
val2.should.equal("0");
done();
});
});
}
catch (e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set two persistable node context (single call, w callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.set(['count1','count2'],['0','1'],'memory1', function(err) { node.send(msg); });"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n1.context().get("count1", "memory1", function (err, val1) {
val1.should.equal("0");
n1.context().get("count2", "memory1", function (err, val2) {
val2.should.equal("1");
done();
});
});
}
catch (e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set default persistable node context', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.set('count','0');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n1.context().get("count", "memory1", function (err, val) {
val.should.equal("0");
done();
});
}
catch (e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get node context', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.get('count');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().set("count","0");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
function checkCallbackError(name, done) {
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().ERROR);
msg.should.have.property('id', name);
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'Error: Callback must be a function');
done();
}
catch (e) {
done(e);
}
},50);
}
it('should get persistable node context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.get('count','memory1');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().set("count","0","memory1");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get persistable node context (w/ callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.get('count','memory1',function (err, val) { msg.payload=val; node.send(msg); });"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().set("count","0","memory1");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get keys in node context', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.keys();return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().set("count","0");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', ['count']);
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should get keys in persistable node context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.keys('memory1');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().set("count","0","memory1");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', ['count']);
done();
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get keys in persistable node context (w/ callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.keys('memory1', function(err, keys) { msg.payload=keys; node.send(msg); });"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().set("count","0","memory1");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', ['count']);
done();
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get keys in default persistable node context', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.keys();return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().set("count","0","memory1");
n1.context().set("number","1","memory2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', ['count']);
done();
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set flow context', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"flow.set('count','0');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n2.context().flow.get("count").should.equal("0");
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should set persistable flow context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"flow.set('count','0','memory1');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n2.context().flow.get("count", "memory1", function (err, val) {
val.should.equal("0");
done();
});
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set two persistable flow context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"flow.set('count','0','memory1');flow.set('count','1','memory2');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n2.context().flow.get("count", "memory1", function (err, val1) {
val1.should.equal("0");
n2.context().flow.get("count", "memory2", function (err, val2) {
val2.should.equal("1");
done();
});
});
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set persistable flow context (w/ callback)', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"flow.set('count','0','memory1', function (err) { node.send(msg); });"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n2.context().flow.get("count", "memory1", function (err, val) {
val.should.equal("0");
done();
});
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set two persistable flow context (w/ callback)', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"flow.set('count','0','memory1', function (err) { flow.set('count','1','memory2', function (err) { node.send(msg); }); });"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n2.context().flow.get("count", "memory1", function (err, val1) {
val1.should.equal("0");
n2.context().flow.get("count", "memory2", function (err, val2) {
val2.should.equal("1");
done();
});
});
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get flow context', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=flow.get('count');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().flow.set("count","0");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should get persistable flow context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=flow.get('count','memory1');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().flow.set("count","0","memory1");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get persistable flow context (w/ callback)', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"flow.get('count','memory1', function(err, val) { msg.payload=val; node.send(msg); });"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().flow.set("count","0","memory1");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get flow context', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=context.flow.get('count');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().flow.set("count","0");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should get keys in flow context', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=flow.keys();return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().flow.set("count","0");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', ['count']);
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should get keys in persistable flow context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=flow.keys('memory1');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().flow.set("count","0","memory1");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', ['count']);
done();
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get keys in persistable flow context (w/ callback)', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"flow.keys('memory1', function (err, val) { msg.payload=val; node.send(msg); });"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().flow.set("count","0","memory1");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', ['count']);
done();
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set global context', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"global.set('count','0');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n2.context().global.get("count").should.equal("0");
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should set persistable global context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"global.set('count','0','memory1');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n2.context().global.get("count", "memory1", function(err, val) {
val.should.equal("0");
done();
});
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should set persistable global context (w/ callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"global.set('count','0','memory1', function (err) { node.send(msg); });"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
n2.context().global.get("count", "memory1", function(err, val) {
val.should.equal("0");
done();
});
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get global context', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=global.get('count');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().global.set("count","0");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should get persistable global context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=global.get('count', 'memory1');return msg;"},
{id:"n2", type:"helper"}];
initContext(function () {
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().global.set("count","0", 'memory1');
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get persistable global context (w/ callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"global.get('count', 'memory1', function (err, val) { msg.payload=val; node.send(msg); });"},
{id:"n2", type:"helper"}];
initContext(function () {
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().global.set("count","0", 'memory1');
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get global context', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.global.get('count');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().global.set("count","0");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should get persistable global context (w/o callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.global.get('count','memory1');return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().global.set("count","0", "memory1");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should get persistable global context (w/ callback)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.global.get('count','memory1', function (err, val) { msg.payload = val; node.send(msg); });"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().global.set("count","0", "memory1");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', '0');
done();
}
catch(e) {
done(e);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});
it('should handle error on get persistable context', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=context.get('count','memory1','callback');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().flow.set("count","0","memory1");
n1.receive({payload:"foo",topic: "bar"});
checkCallbackError('n1', done);
});
});
});
it('should handle error on set persistable context', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=context.set('count','0','memory1','callback');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.receive({payload:"foo",topic: "bar"});
checkCallbackError('n1', done);
});
});
});
it('should handle error on get keys in persistable context', function(done) {
var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=context.keys('memory1','callback');return msg;"},
{id:"n2", type:"helper",z:"flowA"}];
helper.load(functionNode, flow, function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().flow.set("count","0","memory1");
n1.receive({payload:"foo",topic: "bar"});
checkCallbackError('n1', done);
});
});
});
it('should handle setTimeout()', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"setTimeout(function(){node.send(msg);},1000);"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
var endTime = process.hrtime(startTime);
var nanoTime = endTime[0] * 1000000000 + endTime[1];
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
if (900000000 < nanoTime && nanoTime < 1100000000) {
done();
} else {
try {
should.fail(null, null, "Delayed time was not between 900 and 1100 ms");
} catch (err) {
done(err);
}
}
});
var startTime = process.hrtime();
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should handle setInterval()', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"setInterval(function(){node.send(msg);},100);"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var count = 0;
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
count++;
if (count > 2) {
done();
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should handle clearInterval()', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"var id=setInterval(null,100);setTimeout(function(){clearInterval(id);node.send(msg);},1000);"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should allow accessing node.id', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload = node.id; return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('payload', n1.id);
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should allow accessing node.name', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload = node.name; return msg;", "name":"name of node"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('payload', n1.name);
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should use the same Date object from outside the sandbox', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=global.get('typeTest')(new Date());return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.context().global.set("typeTest",function(d) { return d instanceof Date });
n2.on("input", function(msg) {
msg.should.have.property('payload', true);
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
it('should allow accessing env vars', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload = env.get('_TEST_FOO_'); return msg;"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var count = 0;
delete process.env._TEST_FOO_;
n2.on("input", function(msg) {
try {
if (count === 0) {
msg.should.have.property('payload', undefined);
process.env._TEST_FOO_ = "hello";
count++;
n1.receive({payload:"foo",topic: "bar"});
} else {
msg.should.have.property('payload', "hello");
delete process.env._TEST_FOO_;
done();
}
} catch(err) {
delete process.env._TEST_FOO_;
done(err);
}
});
n1.receive({payload:"foo",topic: "bar"});
});
});
describe('Logger', function () {
it('should log an Info Message', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.log('test');"}];
helper.load(functionNode, flow, function () {
var n1 = helper.getNode("n1");
n1.receive({payload: "foo", topic: "bar"});
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().INFO);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'test');
done();
} catch (err) {
done(err);
}
},50);
});
});
it('should log a Debug Message', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.debug('test');"}];
helper.load(functionNode, flow, function () {
var n1 = helper.getNode("n1");
n1.receive({payload: "foo", topic: "bar"});
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().DEBUG);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'test');
done();
} catch (err) {
done(err);
}
},50);
});
});
it('should log a Trace Message', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.trace('test');"}];
helper.load(functionNode, flow, function () {
var n1 = helper.getNode("n1");
n1.receive({payload: "foo", topic: "bar"});
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().TRACE);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'test');
done();
} catch (err) {
done(err);
}
},50);
});
});
it('should log a Warning Message', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.warn('test');"}];
helper.load(functionNode, flow, function () {
var n1 = helper.getNode("n1");
n1.receive({payload: "foo", topic: "bar"});
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().WARN);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'test');
done();
} catch (err) {
done(err);
}
},50);
});
});
it('should log an Error Message', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.error('test');"}];
helper.load(functionNode, flow, function () {
var n1 = helper.getNode("n1");
n1.receive({payload: "foo", topic: "bar"});
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().ERROR);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'test');
done();
} catch (err) {
done(err);
}
},50);
});
});
it('should catch thrown string', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "throw \"small mistake\";"}];
helper.load(functionNode, flow, function () {
var n1 = helper.getNode("n1");
n1.receive({payload: "foo", topic: "bar"});
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().ERROR);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'small mistake');
done();
} catch (err) {
done(err);
}
},50);
});
});
it('should catch thrown number', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "throw 99;"}];
helper.load(functionNode, flow, function () {
var n1 = helper.getNode("n1");
n1.receive({payload: "foo", topic: "bar"});
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().ERROR);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', '99');
done();
} catch (err) {
done(err);
}
},50);
});
});
it('should catch thrown object (bad practice)', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "throw {a:1};"}];
helper.load(functionNode, flow, function () {
var n1 = helper.getNode("n1");
n1.receive({payload: "foo", topic: "bar"});
setTimeout(function() {
try {
helper.log().called.should.be.true();
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "function";
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().ERROR);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', '{"a":1}');
done();
} catch (err) {
done(err);
}
},50);
});
});
});
});