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Add more tests for function node.

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This commit is contained in:
Mark Hindess 2014-07-30 09:32:17 +01:00
parent b1f14031a9
commit 53d9eab94e
1 changed files with 78 additions and 0 deletions
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78
test/nodes/core/core/80-function_spec.js
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@ -48,6 +48,69 @@ describe('function node', function() {
});
});
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++;
should(msg).have.property('payload', count);
should(msg).have.property('_topic', 'baz');
if (count == 2) {
done();
}
});
n1.receive({payload:"foo", topic: "bar", _topic:"baz"});
});
});
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"}];
@ -64,4 +127,19 @@ describe('function node', function() {
});
});
it('should handle and log script error', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"retunr"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
n1.on("log", function(msg) {
msg.should.have.property('level', 'error');
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'ReferenceError: retunr is not defined');
done();
});
n1.receive({payload:"foo",topic: "bar"});
});
});
});