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Validate hook names when they are added

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This commit is contained in:
Nick O'Leary
2020-09-29 16:28:52 +01:00
parent 460e1f5563
commit 605177dcf0
2 changed files with 107 additions and 52 deletions
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133
test/unit/@node-red/runtime/lib/hooks_spec.js
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@@ -9,48 +9,79 @@ describe("runtime/hooks", function() {
})
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();
hooks.has("onSend").should.be.false();
hooks.add("onSend", function(payload) { calledWith = payload } )
hooks.has("onSend").should.be.true();
let data = { a: 1 };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",data,err => {
calledWith.should.equal(data);
done(err);
})
})
it("rejects invalid hook id", function(done) {
try {
hooks.add("foo", function(payload) {})
done(new Error("Invalid hook accepted"))
} catch(err) {
done();
}
})
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") } )
hooks.add("onSend", function(payload) { payload.order.push("A") } )
hooks.add("onSend", function(payload) { payload.order.push("B") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",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") } );
hooks.has("onSend.one").should.be.false();
hooks.has("onSend").should.be.false();
hooks.add("onSend.one", function(payload) { payload.order.push("A") } );
hooks.has("onSend.one").should.be.true();
hooks.has("onSend").should.be.true();
(function() {
hooks.add("foo.one", function(payload) { payload.order.push("B") } )
hooks.add("onSend.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.has("onSend.A").should.be.false();
hooks.has("onSend.B").should.be.false();
hooks.has("onSend").should.be.false();
hooks.add("onSend.A", function(payload) { payload.order.push("A") } )
hooks.has("onSend.A").should.be.true();
hooks.has("onSend.B").should.be.false();
hooks.has("onSend").should.be.true();
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
hooks.has("onSend.A").should.be.true();
hooks.has("onSend.B").should.be.true();
hooks.has("onSend").should.be.true();
hooks.remove("onSend.A");
hooks.has("onSend.A").should.be.false();
hooks.has("onSend.B").should.be.true();
hooks.has("onSend").should.be.true();
hooks.remove("foo.A");
hooks.states.foo.should.be.true();
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",data,err => {
try {
data.order.should.eql(["B"])
hooks.remove("foo.B");
should.not.exist(hooks.states.foo);
hooks.remove("onSend.B");
hooks.has("onSend.A").should.be.false();
hooks.has("onSend.B").should.be.false();
hooks.has("onSend").should.be.false();
done(err);
} catch(err2) {
done(err2);
@@ -59,30 +90,30 @@ describe("runtime/hooks", function() {
})
it("cannot remove unlabelled hook", function() {
hooks.add("foo", function(payload) { payload.order.push("A") } );
hooks.add("onSend", function(payload) { payload.order.push("A") } );
(function() {
hooks.remove("foo")
hooks.remove("onSend")
}).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") } )
hooks.add("onSend.A", function(payload) { payload.order.push("A") } )
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
hooks.add("preRoute.A", function(payload) { payload.order.push("C") } )
hooks.add("preRoute.B", function(payload) { payload.order.push("D") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",data,err => {
data.order.should.eql(["A","B"])
hooks.trigger("bar", data, err => {
hooks.trigger("preRoute", data, err => {
data.order.should.eql(["A","B","C","D"])
data.order = [];
hooks.remove("*.A");
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",data,err => {
data.order.should.eql(["B"])
hooks.trigger("bar", data, err => {
hooks.trigger("preRoute", data, err => {
data.order.should.eql(["B","D"])
})
done(err);
@@ -93,22 +124,22 @@ describe("runtime/hooks", function() {
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") } )
hooks.add("onSend.A", function(payload) { payload.order.push("A"); return false } )
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",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") } )
hooks.add("onSend.A", function(payload) { payload.order.push("A"); throw new Error("error") } )
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",data,err => {
data.order.should.eql(["A"])
should.exist(err);
err.should.not.be.false()
@@ -117,47 +148,47 @@ describe("runtime/hooks", function() {
})
it("handler can use callback function", function(done) {
hooks.add("foo.A", function(payload, done) {
hooks.add("onSend.A", function(payload, done) {
setTimeout(function() {
payload.order.push("A")
done()
},30)
})
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",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) {
hooks.add("onSend.A", function(payload, done) {
setTimeout(function() {
payload.order.push("A")
done(false)
},30)
})
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",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) {
hooks.add("onSend.A", function(payload, done) {
setTimeout(function() {
done(new Error("test error"))
},30)
})
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",data,err => {
data.order.should.eql([])
should.exist(err);
err.should.not.be.false()
@@ -166,7 +197,7 @@ describe("runtime/hooks", function() {
})
it("handler be an async function", function(done) {
hooks.add("foo.A", async function(payload) {
hooks.add("onSend.A", async function(payload) {
return new Promise(resolve => {
setTimeout(function() {
payload.order.push("A")
@@ -174,17 +205,17 @@ describe("runtime/hooks", function() {
},30)
});
})
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",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) {
hooks.add("onSend.A", async function(payload) {
return new Promise(resolve => {
setTimeout(function() {
payload.order.push("A")
@@ -192,26 +223,26 @@ describe("runtime/hooks", function() {
},30)
});
})
hooks.add("foo.B", function(payload) { payload.order.push("B") } )
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",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) {
hooks.add("onSend.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") } )
hooks.add("onSend.B", function(payload) { payload.order.push("B") } )
let data = { order:[] };
hooks.trigger("foo",data,err => {
hooks.trigger("onSend",data,err => {
data.order.should.eql([])
should.exist(err);
err.should.not.be.false()