336 lines
10 KiB
JavaScript
336 lines
10 KiB
JavaScript
/**
|
|
* @licstart The following is the entire license notice for the
|
|
* JavaScript code in this page
|
|
*
|
|
* Copyright 2022 Mozilla Foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* @licend The above is the entire license notice for the
|
|
* JavaScript code in this page
|
|
*/
|
|
"use strict";
|
|
|
|
var _util = require("../../shared/util.js");
|
|
|
|
var _api = require("../../display/api.js");
|
|
|
|
var _message_handler = require("../../shared/message_handler.js");
|
|
|
|
describe("message_handler", function () {
|
|
function sleep(ticks) {
|
|
return Promise.resolve().then(() => {
|
|
return ticks && sleep(ticks - 1);
|
|
});
|
|
}
|
|
|
|
describe("sendWithStream", function () {
|
|
it("should return a ReadableStream", function () {
|
|
const port = new _api.LoopbackPort();
|
|
const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
|
|
const readable = messageHandler1.sendWithStream("fakeHandler");
|
|
expect(typeof readable).toEqual("object");
|
|
expect(typeof readable.getReader).toEqual("function");
|
|
});
|
|
it("should read using a reader", async function () {
|
|
let log = "";
|
|
const port = new _api.LoopbackPort();
|
|
const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
|
|
const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
|
|
messageHandler2.on("fakeHandler", (data, sink) => {
|
|
sink.onPull = function () {
|
|
log += "p";
|
|
};
|
|
|
|
sink.onCancel = function (reason) {
|
|
log += "c";
|
|
};
|
|
|
|
sink.ready.then(() => {
|
|
sink.enqueue("hi");
|
|
return sink.ready;
|
|
}).then(() => {
|
|
sink.close();
|
|
});
|
|
return sleep(5);
|
|
});
|
|
const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
|
|
highWaterMark: 1,
|
|
|
|
size() {
|
|
return 1;
|
|
}
|
|
|
|
});
|
|
const reader = readable.getReader();
|
|
await sleep(10);
|
|
expect(log).toEqual("");
|
|
let result = await reader.read();
|
|
expect(log).toEqual("p");
|
|
expect(result.value).toEqual("hi");
|
|
expect(result.done).toEqual(false);
|
|
await sleep(10);
|
|
result = await reader.read();
|
|
expect(result.value).toEqual(undefined);
|
|
expect(result.done).toEqual(true);
|
|
});
|
|
it("should not read any data when cancelled", async function () {
|
|
let log = "";
|
|
const port = new _api.LoopbackPort();
|
|
const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
|
|
messageHandler2.on("fakeHandler", (data, sink) => {
|
|
sink.onPull = function () {
|
|
log += "p";
|
|
};
|
|
|
|
sink.onCancel = function (reason) {
|
|
log += "c";
|
|
};
|
|
|
|
log += "0";
|
|
sink.ready.then(() => {
|
|
log += "1";
|
|
sink.enqueue([1, 2, 3, 4], 4);
|
|
return sink.ready;
|
|
}).then(() => {
|
|
log += "2";
|
|
sink.enqueue([5, 6, 7, 8], 4);
|
|
return sink.ready;
|
|
}).then(() => {
|
|
log += "3";
|
|
sink.close();
|
|
}, () => {
|
|
log += "4";
|
|
});
|
|
});
|
|
const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
|
|
const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
|
|
highWaterMark: 4,
|
|
|
|
size(arr) {
|
|
return arr.length;
|
|
}
|
|
|
|
});
|
|
const reader = readable.getReader();
|
|
await sleep(10);
|
|
expect(log).toEqual("01");
|
|
const result = await reader.read();
|
|
expect(result.value).toEqual([1, 2, 3, 4]);
|
|
expect(result.done).toEqual(false);
|
|
await sleep(10);
|
|
expect(log).toEqual("01p2");
|
|
await reader.cancel(new _util.AbortException("reader cancelled."));
|
|
expect(log).toEqual("01p2c4");
|
|
});
|
|
it("should not read when errored", async function () {
|
|
let log = "";
|
|
const port = new _api.LoopbackPort();
|
|
const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
|
|
messageHandler2.on("fakeHandler", (data, sink) => {
|
|
sink.onPull = function () {
|
|
log += "p";
|
|
};
|
|
|
|
sink.onCancel = function (reason) {
|
|
log += "c";
|
|
};
|
|
|
|
log += "0";
|
|
sink.ready.then(() => {
|
|
log += "1";
|
|
sink.enqueue([1, 2, 3, 4], 4);
|
|
return sink.ready;
|
|
}).then(() => {
|
|
log += "e";
|
|
sink.error(new Error("should not read when errored"));
|
|
});
|
|
});
|
|
const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
|
|
const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
|
|
highWaterMark: 4,
|
|
|
|
size(arr) {
|
|
return arr.length;
|
|
}
|
|
|
|
});
|
|
const reader = readable.getReader();
|
|
await sleep(10);
|
|
expect(log).toEqual("01");
|
|
const result = await reader.read();
|
|
expect(result.value).toEqual([1, 2, 3, 4]);
|
|
expect(result.done).toEqual(false);
|
|
|
|
try {
|
|
await reader.read();
|
|
expect(false).toEqual(true);
|
|
} catch (reason) {
|
|
expect(log).toEqual("01pe");
|
|
expect(reason instanceof _util.UnknownErrorException).toEqual(true);
|
|
expect(reason.message).toEqual("should not read when errored");
|
|
}
|
|
});
|
|
it("should read data with blocking promise", async function () {
|
|
let log = "";
|
|
const port = new _api.LoopbackPort();
|
|
const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
|
|
messageHandler2.on("fakeHandler", (data, sink) => {
|
|
sink.onPull = function () {
|
|
log += "p";
|
|
};
|
|
|
|
sink.onCancel = function (reason) {
|
|
log += "c";
|
|
};
|
|
|
|
log += "0";
|
|
sink.ready.then(() => {
|
|
log += "1";
|
|
sink.enqueue([1, 2, 3, 4], 4);
|
|
return sink.ready;
|
|
}).then(() => {
|
|
log += "2";
|
|
sink.enqueue([5, 6, 7, 8], 4);
|
|
return sink.ready;
|
|
}).then(() => {
|
|
sink.close();
|
|
});
|
|
});
|
|
const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
|
|
const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
|
|
highWaterMark: 4,
|
|
|
|
size(arr) {
|
|
return arr.length;
|
|
}
|
|
|
|
});
|
|
const reader = readable.getReader();
|
|
await sleep(10);
|
|
expect(log).toEqual("01");
|
|
let result = await reader.read();
|
|
expect(result.value).toEqual([1, 2, 3, 4]);
|
|
expect(result.done).toEqual(false);
|
|
await sleep(10);
|
|
expect(log).toEqual("01p2");
|
|
result = await reader.read();
|
|
expect(result.value).toEqual([5, 6, 7, 8]);
|
|
expect(result.done).toEqual(false);
|
|
await sleep(10);
|
|
expect(log).toEqual("01p2p");
|
|
result = await reader.read();
|
|
expect(result.value).toEqual(undefined);
|
|
expect(result.done).toEqual(true);
|
|
});
|
|
it("should read data with blocking promise and buffer whole data" + " into stream", async function () {
|
|
let log = "";
|
|
const port = new _api.LoopbackPort();
|
|
const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
|
|
messageHandler2.on("fakeHandler", (data, sink) => {
|
|
sink.onPull = function () {
|
|
log += "p";
|
|
};
|
|
|
|
sink.onCancel = function (reason) {
|
|
log += "c";
|
|
};
|
|
|
|
log += "0";
|
|
sink.ready.then(() => {
|
|
log += "1";
|
|
sink.enqueue([1, 2, 3, 4], 4);
|
|
return sink.ready;
|
|
}).then(() => {
|
|
log += "2";
|
|
sink.enqueue([5, 6, 7, 8], 4);
|
|
return sink.ready;
|
|
}).then(() => {
|
|
sink.close();
|
|
});
|
|
return sleep(10);
|
|
});
|
|
const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
|
|
const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
|
|
highWaterMark: 8,
|
|
|
|
size(arr) {
|
|
return arr.length;
|
|
}
|
|
|
|
});
|
|
const reader = readable.getReader();
|
|
await sleep(10);
|
|
expect(log).toEqual("012");
|
|
let result = await reader.read();
|
|
expect(result.value).toEqual([1, 2, 3, 4]);
|
|
expect(result.done).toEqual(false);
|
|
await sleep(10);
|
|
expect(log).toEqual("012p");
|
|
result = await reader.read();
|
|
expect(result.value).toEqual([5, 6, 7, 8]);
|
|
expect(result.done).toEqual(false);
|
|
await sleep(10);
|
|
expect(log).toEqual("012p");
|
|
result = await reader.read();
|
|
expect(result.value).toEqual(undefined);
|
|
expect(result.done).toEqual(true);
|
|
});
|
|
it("should ignore any pull after close is called", async function () {
|
|
let log = "";
|
|
const port = new _api.LoopbackPort();
|
|
const capability = (0, _util.createPromiseCapability)();
|
|
const messageHandler2 = new _message_handler.MessageHandler("worker", "main", port);
|
|
messageHandler2.on("fakeHandler", (data, sink) => {
|
|
sink.onPull = function () {
|
|
log += "p";
|
|
};
|
|
|
|
sink.onCancel = function (reason) {
|
|
log += "c";
|
|
};
|
|
|
|
log += "0";
|
|
sink.ready.then(() => {
|
|
log += "1";
|
|
sink.enqueue([1, 2, 3, 4], 4);
|
|
});
|
|
return capability.promise.then(() => {
|
|
sink.close();
|
|
});
|
|
});
|
|
const messageHandler1 = new _message_handler.MessageHandler("main", "worker", port);
|
|
const readable = messageHandler1.sendWithStream("fakeHandler", {}, {
|
|
highWaterMark: 10,
|
|
|
|
size(arr) {
|
|
return arr.length;
|
|
}
|
|
|
|
});
|
|
const reader = readable.getReader();
|
|
await sleep(10);
|
|
expect(log).toEqual("01");
|
|
capability.resolve();
|
|
await capability.promise;
|
|
let result = await reader.read();
|
|
expect(result.value).toEqual([1, 2, 3, 4]);
|
|
expect(result.done).toEqual(false);
|
|
await sleep(10);
|
|
expect(log).toEqual("01");
|
|
result = await reader.read();
|
|
expect(result.value).toEqual(undefined);
|
|
expect(result.done).toEqual(true);
|
|
});
|
|
});
|
|
}); |