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Add unit tests for function node init code

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This commit is contained in:
Nick O'Leary
2020-09-25 17:11:10 +01:00
parent 0601833387
commit 2db3a4f1ef
2 changed files with 94 additions and 105 deletions
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15
packages/node_modules/@node-red/nodes/core/function/10-function.js vendored
View File

@@ -121,7 +121,7 @@ module.exports = function(RED) {
"done:__done__"+
"};\n"+
node.func+"\n"+
"})(msg,send,done);";
"})(msg,__send__,__done__);";
var finScript = null;
var finOpt = null;
node.topic = n.topic;
@@ -279,12 +279,12 @@ module.exports = function(RED) {
debug:__node__.debug,
trace:__node__.trace,
status:__node__.status,
send: function(msgs, cloneMsg) {
__node__.send(__send__, RED.util.generateId(), msgs, cloneMsg);
send: function(msgs, cloneMsg) {
__node__.send(__send__, RED.util.generateId(), msgs, cloneMsg);
}
};
`+ node.ini +`
})(send);`;
})(__initSend__);`;
iniOpt = createVMOpt(node, " setup");
iniScript = new vm.Script(iniText, iniOpt);
}
@@ -296,16 +296,15 @@ module.exports = function(RED) {
}
var promise = Promise.resolve();
if (iniScript) {
context.send = function(m) { node.send(m); };
context.__initSend__ = function(msgs) { node.send(msgs); };
promise = iniScript.runInContext(context, iniOpt);
delete context.send;
}
function processMessage(msg, send, done) {
var start = process.hrtime();
context.msg = msg;
context.send = send;
context.done = done;
context.__send__ = send;
context.__done__ = done;
node.script.runInContext(context);
context.results.then(function(results) {

184
test/nodes/core/function/10-function_spec.js
View File

@@ -360,7 +360,7 @@ describe('function node', function() {
done(err);
}
});
},1500);
},100);
});
});
@@ -1201,9 +1201,8 @@ describe('function node', function() {
});
});
it('should handle setTimeout()', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"setTimeout(function(){node.send(msg);},1000);"},
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"setTimeout(function(){node.send(msg);},700);"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
@@ -1213,7 +1212,7 @@ describe('function node', function() {
var nanoTime = endTime[0] * 1000000000 + endTime[1];
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
if (900000000 < nanoTime && nanoTime < 1100000000) {
if (600000000 < nanoTime && nanoTime < 800000000) {
done();
} else {
try {
@@ -1248,7 +1247,7 @@ describe('function node', function() {
});
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);"},
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"var id=setInterval(null,100);setTimeout(function(){clearInterval(id);node.send(msg);},500);"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
@@ -1376,8 +1375,9 @@ describe('function node', function() {
});
describe('Logger', function () {
it('should log an Info Message', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.log('test');"}];
function testLog(initCode,funcCode,expectedLevel, done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: funcCode, initialize: initCode}];
helper.load(functionNode, flow, function () {
var n1 = helper.getNode("n1");
n1.receive({payload: "foo", topic: "bar"});
@@ -1389,7 +1389,7 @@ describe('function node', function() {
});
logEvents.should.have.length(1);
var msg = logEvents[0][0];
msg.should.have.property('level', helper.log().INFO);
msg.should.have.property('level', helper.log()[expectedLevel]);
msg.should.have.property('id', 'n1');
msg.should.have.property('type', 'function');
msg.should.have.property('msg', 'test');
@@ -1397,105 +1397,42 @@ describe('function node', function() {
} catch (err) {
done(err);
}
},50);
},10);
});
}
it('should log an Info Message', function (done) {
testLog("","node.log('test');","INFO",done);
});
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);
});
testLog("","node.debug('test');","DEBUG",done);
});
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);
});
testLog("","node.trace('test');","TRACE",done);
});
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);
});
testLog("","node.warn('test');","WARN",done);
});
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);
});
testLog("","node.error('test');","ERROR",done);
});
it('should log an Info Message - initialise', function (done) {
testLog("node.log('test');","","INFO",done);
});
it('should log a Debug Message - initialise', function (done) {
testLog("node.debug('test');","","DEBUG",done);
});
it('should log a Trace Message - initialise', function (done) {
testLog("node.trace('test');","","TRACE",done);
});
it('should log a Warning Message - initialise', function (done) {
testLog("node.warn('test');","","WARN",done);
});
it('should log an Error Message - initialise', function (done) {
testLog("node.error('test');","","ERROR",done);
});
it('should catch thrown string', function (done) {
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "throw \"small mistake\";"}];
helper.load(functionNode, flow, function () {
@@ -1570,4 +1507,57 @@ describe('function node', function() {
});
});
describe("init function", function() {
it('should delay handling messages until init completes', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],initialize: `
return new Promise((resolve,reject) => {
setTimeout(resolve,200)
})`,
func:"return msg;"
},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var receivedMsgs = [];
n2.on("input", function(msg) {
msg.delta = Date.now() - msg.payload;
receivedMsgs.push(msg)
if (receivedMsgs.length === 5) {
var errors = receivedMsgs.filter(msg => msg.delta < 200)
if (errors.length > 0) {
done(new Error(`Message received before init completed - was ${msg.delta} expected >300`))
} else {
done();
}
}
});
for (var i=0;i<5;i++) {
n1.receive({payload: Date.now(),topic: "msg"+i});
}
});
});
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: ""},
{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);
done();
} catch(err) {
done(err);
}
});
});
});
})
});