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Allow template node to be updated more than once

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Fixes #1671
This commit is contained in:
Nick O'Leary
2018-03-27 10:14:39 +01:00
parent 884618adfe
commit f31f23ff07
2 changed files with 55 additions and 15 deletions
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59
test/nodes/core/core/80-template_spec.js
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@@ -29,37 +29,42 @@ describe('template node', function() {
});
it('should modify payload', function(done) {
it('should modify payload using node-configured template', function(done) {
var flow = [{id:"n1", type:"template", field:"payload", template:"payload={{payload}}",wires:[["n2"]]},{id:"n2",type:"helper"}];
helper.load(templateNode, 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', 'payload=foo');
msg.should.have.property('template', '{{payload}}');
done();
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'payload=foo');
msg.should.have.property('template', 'this should be ignored as the node has its own template {{payload}}');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo",topic: "bar", template: "{{payload}}"});
n1.receive({payload:"foo",topic: "bar", template: "this should be ignored as the node has its own template {{payload}}"});
});
});
it('should modify template from msg.template', function(done) {
var flow = [{id:"n1", type:"template", field:"template", template:"",wires:[["n2"]]},{id:"n2",type:"helper"}];
it('should modify the configured property using msg.template', function(done) {
var flow = [{id:"n1", type:"template", field:"randomProperty", template:"",wires:[["n2"]]},{id:"n2",type:"helper"}];
helper.load(templateNode, 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('template', 'payload=foo');
msg.should.have.property('template', 'payload={{payload}}');
msg.should.have.property('randomProperty', 'payload=foo');
done();
});
n1.receive({payload:"foo", topic: "bar", template: "payload={{payload}}"});
});
});
it('should modify payload from msg.template', function(done) {
it('should be able to overwrite msg.template using the template from msg.template', function(done) {
var flow = [{id:"n1", type:"template", field:"payload", template:"",wires:[["n2"]]},{id:"n2",type:"helper"}];
helper.load(templateNode, flow, function() {
var n1 = helper.getNode("n1");
@@ -74,6 +79,40 @@ describe('template node', function() {
});
});
it('should modify payload from msg.template', function(done) {
var flow = [{id:"n1", type:"template", field:"payload", template:"",wires:[["n2"]]},{id:"n2",type:"helper"}];
helper.load(templateNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var received = [];
n2.on("input", function(msg) {
try {
received.push(msg);
if (received.length === 3) {
received[0].should.have.property('topic', 'bar');
received[0].should.have.property('payload', 'topic=bar');
received[0].should.have.property('template', 'topic={{topic}}');
received[1].should.have.property('topic', 'another bar');
received[1].should.have.property('payload', 'topic=another bar');
received[1].should.have.property('template', 'topic={{topic}}');
received[2].should.have.property('topic', 'bar');
received[2].should.have.property('payload', 'payload=foo');
received[2].should.have.property('template', 'payload={{payload}}');
done();
}
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo", topic: "bar", template: "topic={{topic}}"});
n1.receive({payload:"foo", topic: "another bar", template: "topic={{topic}}"});
n1.receive({payload:"foo", topic: "bar", template: "payload={{payload}}"});
});
});
it('should modify payload from flow context', function(done) {
var flow = [{id:"n1",z:"t1", type:"template", field:"payload", template:"payload={{flow.value}}",wires:[["n2"]]},{id:"n2",z:"t1",type:"helper"}];
helper.load(templateNode, flow, function() {