mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
222 lines
7.1 KiB
JavaScript
222 lines
7.1 KiB
JavaScript
|
const should = require("should");
|
||
|
const NR_TEST_UTILS = require("nr-test-utils");
|
||
|
|
||
|
const hooks = NR_TEST_UTILS.require("@node-red/runtime/lib/hooks");
|
||
|
|
||
|
describe("runtime/hooks", function() {
|
||
|
afterEach(function() {
|
||
|
hooks.clear();
|
||
|
})
|
||
|
it("allows a hook to be registered", function(done) {
|
||
|
let calledWith = null;
|
||
|
should.not.exist(hooks.states.foo);
|
||
|
hooks.add("foo", function(payload) { calledWith = payload } )
|
||
|
hooks.states.foo.should.be.true();
|
||
|
let data = { a: 1 };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
calledWith.should.equal(data);
|
||
|
done(err);
|
||
|
})
|
||
|
})
|
||
|
|
||
|
it("calls hooks in the order they were registered", function(done) {
|
||
|
hooks.add("foo", function(payload) { payload.order.push("A") } )
|
||
|
hooks.add("foo", function(payload) { payload.order.push("B") } )
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql(["A","B"])
|
||
|
done(err);
|
||
|
})
|
||
|
})
|
||
|
|
||
|
it("does not allow multiple hooks with same id.label", function() {
|
||
|
hooks.add("foo.one", function(payload) { payload.order.push("A") } );
|
||
|
(function() {
|
||
|
hooks.add("foo.one", function(payload) { payload.order.push("B") } )
|
||
|
}).should.throw();
|
||
|
})
|
||
|
|
||
|
it("removes labelled hook", function(done) {
|
||
|
hooks.add("foo.A", function(payload) { payload.order.push("A") } )
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
|
||
|
hooks.remove("foo.A");
|
||
|
hooks.states.foo.should.be.true();
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
try {
|
||
|
data.order.should.eql(["B"])
|
||
|
|
||
|
hooks.remove("foo.B");
|
||
|
should.not.exist(hooks.states.foo);
|
||
|
|
||
|
done(err);
|
||
|
} catch(err2) {
|
||
|
done(err2);
|
||
|
}
|
||
|
})
|
||
|
})
|
||
|
|
||
|
it("cannot remove unlabelled hook", function() {
|
||
|
hooks.add("foo", function(payload) { payload.order.push("A") } );
|
||
|
(function() {
|
||
|
hooks.remove("foo")
|
||
|
}).should.throw();
|
||
|
})
|
||
|
it("removes all hooks with same label", function(done) {
|
||
|
hooks.add("foo.A", function(payload) { payload.order.push("A") } )
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
hooks.add("bar.A", function(payload) { payload.order.push("C") } )
|
||
|
hooks.add("bar.B", function(payload) { payload.order.push("D") } )
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql(["A","B"])
|
||
|
hooks.trigger("bar", data, err => {
|
||
|
data.order.should.eql(["A","B","C","D"])
|
||
|
|
||
|
data.order = [];
|
||
|
|
||
|
hooks.remove("*.A");
|
||
|
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql(["B"])
|
||
|
hooks.trigger("bar", data, err => {
|
||
|
data.order.should.eql(["B","D"])
|
||
|
})
|
||
|
done(err);
|
||
|
})
|
||
|
})
|
||
|
})
|
||
|
})
|
||
|
|
||
|
|
||
|
it("halts execution on return false", function(done) {
|
||
|
hooks.add("foo.A", function(payload) { payload.order.push("A"); return false } )
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql(["A"])
|
||
|
err.should.be.false();
|
||
|
done();
|
||
|
})
|
||
|
})
|
||
|
it("halts execution on thrown error", function(done) {
|
||
|
hooks.add("foo.A", function(payload) { payload.order.push("A"); throw new Error("error") } )
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql(["A"])
|
||
|
should.exist(err);
|
||
|
err.should.not.be.false()
|
||
|
done();
|
||
|
})
|
||
|
})
|
||
|
|
||
|
it("handler can use callback function", function(done) {
|
||
|
hooks.add("foo.A", function(payload, done) {
|
||
|
setTimeout(function() {
|
||
|
payload.order.push("A")
|
||
|
done()
|
||
|
},30)
|
||
|
})
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql(["A","B"])
|
||
|
done(err);
|
||
|
})
|
||
|
})
|
||
|
|
||
|
it("handler can use callback function - halt execution", function(done) {
|
||
|
hooks.add("foo.A", function(payload, done) {
|
||
|
setTimeout(function() {
|
||
|
payload.order.push("A")
|
||
|
done(false)
|
||
|
},30)
|
||
|
})
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql(["A"])
|
||
|
err.should.be.false()
|
||
|
done();
|
||
|
})
|
||
|
})
|
||
|
it("handler can use callback function - halt on error", function(done) {
|
||
|
hooks.add("foo.A", function(payload, done) {
|
||
|
setTimeout(function() {
|
||
|
done(new Error("test error"))
|
||
|
},30)
|
||
|
})
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql([])
|
||
|
should.exist(err);
|
||
|
err.should.not.be.false()
|
||
|
done();
|
||
|
})
|
||
|
})
|
||
|
|
||
|
it("handler be an async function", function(done) {
|
||
|
hooks.add("foo.A", async function(payload) {
|
||
|
return new Promise(resolve => {
|
||
|
setTimeout(function() {
|
||
|
payload.order.push("A")
|
||
|
resolve()
|
||
|
},30)
|
||
|
});
|
||
|
})
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql(["A","B"])
|
||
|
done(err);
|
||
|
})
|
||
|
})
|
||
|
|
||
|
it("handler be an async function - halt execution", function(done) {
|
||
|
hooks.add("foo.A", async function(payload) {
|
||
|
return new Promise(resolve => {
|
||
|
setTimeout(function() {
|
||
|
payload.order.push("A")
|
||
|
resolve(false)
|
||
|
},30)
|
||
|
});
|
||
|
})
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql(["A"])
|
||
|
done(err);
|
||
|
})
|
||
|
})
|
||
|
it("handler be an async function - halt on error", function(done) {
|
||
|
hooks.add("foo.A", async function(payload) {
|
||
|
return new Promise((resolve,reject) => {
|
||
|
setTimeout(function() {
|
||
|
reject(new Error("test error"))
|
||
|
},30)
|
||
|
});
|
||
|
})
|
||
|
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
|
||
|
|
||
|
let data = { order:[] };
|
||
|
hooks.trigger("foo",data,err => {
|
||
|
data.order.should.eql([])
|
||
|
should.exist(err);
|
||
|
err.should.not.be.false()
|
||
|
done();
|
||
|
})
|
||
|
})
|
||
|
});
|