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Function node: add node.outputCount property to sandbox (#2918)

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* Function node: add `node.outputs` property to sandbox

https://discourse.nodered.org/t/expose-configured-output-count-to-function-node-i-can-pr/43848

* style: indetation for function node sanbox code

I guess this was unintentionally unindented in d51aefa156 (diff-24cd715c3b7405ea194bfdc0dc2a350ceb2f5d18696b8163c3e40105b981a666)

* Function node: tests for accessing node properties

consistently tests that `node.id`, `node.name` and `node.outputs`
are available in `init()`, `func()` and `finalize()` methods.

* Function node: rename `node.outputs` to `node.outputCount`

https://discourse.nodered.org/t/expose-configured-output-count-to-function-node-i-can-pr/43848/9?u=kristian
This commit is contained in:
Kristian Heljas
2021-04-08 16:52:02 +03:00
committed by GitHub
parent 0059f9475e
commit 7b8ed487e9
2 changed files with 76 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
test/nodes/core/function/10-function_spec.js
View File

@@ -132,6 +132,28 @@ describe('function node', function() {
});
});
it('should allow accessing node.id and node.name and node.outputCount', function(done) {
var flow = [{id:"n1",name:"test-function", outputs: 2, type:"function",wires:[["n2"]],func: "return [{ topic: node.name, payload:node.id, outputCount: node.outputCount }];"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
// Use this form of assert as `msg` is created inside
// the sandbox and doesn't get all the should.js monkey patching
should.equal(msg.payload, n1.id);
should.equal(msg.topic, n1.name);
should.equal(msg.outputCount, n1.outputs);
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:""});
});
});
function testSendCloning(args,done) {
var flow = [{id:"n1",type:"function",wires:[["n2"],["n2"]],func:"node.send("+args+"); msg.payload = 'changed';"},
{id:"n2", type:"helper"}];
@@ -1402,17 +1424,38 @@ describe('function node', function() {
});
});
it('should execute finalization', function(done) {
var flow = [{id:"n1",type:"function",wires:[],func:"return msg;",finalize:"global.set('X','bar');"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var ctx = n1.context().global;
helper.unload().then(function () {
ctx.get('X').should.equal("bar");
done();
describe("finalize function", function() {
it('should execute', function(done) {
var flow = [{id:"n1",type:"function",wires:[],func:"return msg;",finalize:"global.set('X','bar');"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var ctx = n1.context().global;
helper.unload().then(function () {
ctx.get('X').should.equal("bar");
done();
});
});
});
});
it('should allow accessing node.id and node.name and node.outputCount', function(done) {
var flow = [{id:"n1",name:"test-function", outputs: 2, type:"function",wires:[["n2"]],finalize:"global.set('finalize-data', { topic: node.name, payload:node.id, outputCount: node.outputCount});", func: "return msg;"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var ctx = n1.context().global;
helper.unload().then(function () {
const finalizeData = ctx.get('finalize-data');
should.equal(finalizeData.payload, n1.id);
should.equal(finalizeData.topic, n1.name);
should.equal(finalizeData.outputCount, n1.outputs);
done();
});
});
});
})
describe('externalModules', function() {
afterEach(function() {
@@ -1655,8 +1698,8 @@ describe('function node', function() {
});
});
it('should allow accessing node.id and node.name and sending message', function(done) {
var flow = [{id:"n1",name:"test-function", type:"function",wires:[["n2"]],initialize:"setTimeout(function() { node.send({ topic: node.name, payload:node.id})},10)", func: ""},
it('should allow accessing node.id and node.name and node.outputCount and sending message', function(done) {
var flow = [{id:"n1",name:"test-function", outputs: 1, type:"function",wires:[["n2"]],initialize:"setTimeout(function() { node.send({ topic: node.name, payload:node.id, outputCount: node.outputCount})},10)", func: ""},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
@@ -1667,6 +1710,7 @@ describe('function node', function() {
// the sandbox and doesn't get all the should.js monkey patching
should.equal(msg.payload, n1.id);
should.equal(msg.topic, n1.name);
should.equal(msg.outputCount, n1.outputs);
done();
} catch(err) {
done(err);
@@ -1675,5 +1719,5 @@ describe('function node', function() {
});
});
})
});
});