mirror of
https://github.com/clusterio/clusterio.git
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Daniel
d2bd1382ba
* Add filtered subscriptions * Add tests for subscription filters * Stricter assertions * Un-nest if statements
704 lines
28 KiB
JavaScript
704 lines
28 KiB
JavaScript
"use strict";
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const events = require("events");
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const assert = require("assert").strict;
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const lib = require("@clusterio/lib");
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const { MockController, MockConnector, MockControl } = require("../mock");
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const addr = lib.Address.fromShorthand;
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describe("lib/subscriptions", function() {
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class UnregisteredEvent {
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static type = "event";
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static src = ["controller", "control"];
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static dst = ["controller", "control"];
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static permission = null;
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}
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class RegisteredEvent {
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static type = "event";
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static src = ["controller", "control"];
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static dst = ["controller", "control"];
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static permission = null;
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constructor(updates = []) {
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this.updates = updates;
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}
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}
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lib.Link.register(RegisteredEvent);
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class StringPermissionEvent {
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static type = "event";
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static src = ["controller", "control"];
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static dst = ["controller", "control"];
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static permission = "StringPermission";
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}
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lib.Link.register(StringPermissionEvent);
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class FunctionPermissionEvent {
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static type = "event";
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static src = ["controller", "control"];
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static dst = ["controller", "control"];
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static permission(user, message) {
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user.checkPermission("FunctionPermission");
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};
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}
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lib.Link.register(FunctionPermissionEvent);
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class MockUser {
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checkPermission(permission) {
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this.lastPermissionCheck = permission;
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}
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}
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describe("class SubscriptionRequest", function() {
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describe("permission()", function() {
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function newSubscriptionRequestMessage(request) {
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return new lib.MessageRequest(
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0,
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addr({ controlId: 0 }),
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addr("controller"),
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lib.SubscriptionRequest.name,
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request.toJSON()
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);
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}
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it("should do nothing when the event has no permission property", function() {
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const mockUser = new MockUser();
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const request = new lib.SubscriptionRequest(RegisteredEvent.name, true);
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lib.SubscriptionRequest.permission(mockUser, newSubscriptionRequestMessage(request));
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assert.equal(mockUser.lastPermissionCheck, undefined);
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});
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it("should check user permission when the permission property is a string", function() {
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const mockUser = new MockUser();
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const request = new lib.SubscriptionRequest(StringPermissionEvent.name, true);
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lib.SubscriptionRequest.permission(mockUser, newSubscriptionRequestMessage(request));
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assert.equal(mockUser.lastPermissionCheck, "StringPermission");
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});
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it("should call the permission property when it is a function", function() {
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const mockUser = new MockUser();
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const request = new lib.SubscriptionRequest(FunctionPermissionEvent.name, true);
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lib.SubscriptionRequest.permission(mockUser, newSubscriptionRequestMessage(request));
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assert.equal(mockUser.lastPermissionCheck, "FunctionPermission");
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});
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});
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it("should be round trip json serialisable", function() {
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const request = new lib.SubscriptionRequest(RegisteredEvent.name, true, 123);
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const json = JSON.stringify(request);
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assert.equal(typeof json, "string");
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const reconstructed = lib.SubscriptionRequest.fromJSON(JSON.parse(json));
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assert.deepEqual(reconstructed, request);
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});
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it("should be round trip json serialisable with a single filter", function() {
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const request = new lib.SubscriptionRequest(RegisteredEvent.name, true, 456, "foo");
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const json = JSON.stringify(request);
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assert.equal(typeof json, "string");
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const reconstructed = lib.SubscriptionRequest.fromJSON(JSON.parse(json));
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assert.deepEqual(reconstructed, request);
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});
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it("should be round trip json serialisable with multiple filters", function() {
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const request = new lib.SubscriptionRequest(RegisteredEvent.name, true, 789, ["foo", "bar"]);
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const json = JSON.stringify(request);
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assert.equal(typeof json, "string");
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const reconstructed = lib.SubscriptionRequest.fromJSON(JSON.parse(json));
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assert.deepEqual(reconstructed, request);
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});
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it("should throw when given an unregistered event", function() {
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assert.throws(
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() => new lib.SubscriptionRequest(UnregisteredEvent.name, true),
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new Error(`Unregistered Event class ${UnregisteredEvent.name}`)
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);
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});
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});
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describe("class SubscriptionController", function() {
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let mockController, subscriptions;
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const connectorSetupDate = [{
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id: 0,
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request: new lib.SubscriptionRequest(RegisteredEvent.name, true),
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dst: addr({ controlId: 0 }),
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src: addr("controller"),
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}, {
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id: 1,
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request: new lib.SubscriptionRequest(RegisteredEvent.name, true),
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dst: addr({ controlId: 1 }),
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src: addr("controller"),
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}];
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function getLink(id) {
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return mockController.wsServer.controlConnections.get(id);
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}
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function onceConnectorSend(id) {
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return events.once(getLink(id).connector, "send");
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}
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function assertLastEvent(connectorId, Event) {
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const link = getLink(connectorId);
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const lastMessage = link.connector.sentMessages.at(-1);
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const name = Event.plugin ? `${Event.plugin}:${Event.name}` : Event.name;
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assert.equal(lastMessage.name, name);
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}
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function assertNoEvent(connectorId) {
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const link = getLink(connectorId);
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assert.equal(link.connector.sentMessages.length, 0);
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}
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beforeEach(function() {
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mockController = new MockController();
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mockController.wsServer = {
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controlConnections: new Map(connectorSetupDate.map(function (connectorData) {
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return [connectorData.id, new lib.Link(new MockConnector(connectorData.src, connectorData.dst))];
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})),
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};
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subscriptions = new lib.SubscriptionController(mockController);
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});
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describe("handle()", function() {
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it("should accept registered events", function() {
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subscriptions.handle(RegisteredEvent);
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});
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it("should not accept unregistered events", function() {
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assert.throws(
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() => subscriptions.handle(UnregisteredEvent),
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new Error(`Unregistered Event class ${UnregisteredEvent.name}`)
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);
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});
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it("should not accept events already handled by the class", function() {
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subscriptions.handle(RegisteredEvent);
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assert.throws(
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() => subscriptions.handle(RegisteredEvent),
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new Error(`Event ${RegisteredEvent.name} is already registered`)
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);
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});
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});
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describe("broadcast()", function() {
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beforeEach(function() {
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subscriptions.handle(RegisteredEvent);
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for (let connectorData of connectorSetupDate) {
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subscriptions.handleRequest(
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getLink(connectorData.id), connectorData.request, connectorData.dst, connectorData.src
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);
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}
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});
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it("should not accept unregistered events", function() {
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assert.throws(
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() => subscriptions.broadcast(new UnregisteredEvent()),
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new Error(`Unregistered Event class ${UnregisteredEvent.name}`)
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);
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});
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it("should not accept events not handled by the class", function() {
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assert.throws(
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() => subscriptions.broadcast(new StringPermissionEvent()),
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new Error(`Event ${StringPermissionEvent.name} is not a registered as subscribable`)
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);
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});
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it("should notify all links who subscribed", async function() {
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subscriptions.broadcast(new RegisteredEvent());
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await Promise.all([onceConnectorSend(0), onceConnectorSend(1)]);
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assertLastEvent(0, RegisteredEvent); // RegisteredEvent: All
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assertLastEvent(1, RegisteredEvent); // RegisteredEvent: All
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});
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it("should not notify a link who unsubscribed", async function() {
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const connectorData = connectorSetupDate[0];
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const request = new lib.SubscriptionRequest(RegisteredEvent.name, false);
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await subscriptions.handleRequest(
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getLink(connectorData.id), request, connectorData.dst, connectorData.src
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);
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subscriptions.broadcast(new RegisteredEvent());
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await onceConnectorSend(1);
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assertNoEvent(0);
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assertLastEvent(1, RegisteredEvent);
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});
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it("should not notify links which are closed or closing", async function() {
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const link = getLink(0);
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link.connector.closing = true;
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subscriptions.broadcast(new RegisteredEvent());
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await onceConnectorSend(1);
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assertNoEvent(0);
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assertLastEvent(1, RegisteredEvent);
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});
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});
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describe("unsubscribe()", function() {
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beforeEach(function() {
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subscriptions.handle(RegisteredEvent);
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for (let connectorData of connectorSetupDate) {
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subscriptions.handleRequest(
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getLink(connectorData.id), connectorData.request, connectorData.dst, connectorData.src
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);
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}
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});
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it("should remove an active subscription link", async function() {
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const link = getLink(0);
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subscriptions.unsubscribeLink(link);
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subscriptions.broadcast(new RegisteredEvent());
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await onceConnectorSend(1);
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assertNoEvent(0);
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assertLastEvent(1, RegisteredEvent);
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});
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it("should remove an active subscription address", async function() {
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const link = getLink(0);
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subscriptions.unsubscribeAddress(connectorSetupDate[0].dst);
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subscriptions.broadcast(new RegisteredEvent());
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await onceConnectorSend(1);
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assertNoEvent(0);
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assertLastEvent(1, RegisteredEvent);
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});
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});
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describe("handleRequest()", function() {
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beforeEach(function() {
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subscriptions.handle(RegisteredEvent);
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});
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it("should not accept subscriptions to unregistered events", async function() {
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const request = new lib.SubscriptionRequest(RegisteredEvent.name, true);
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request.eventName = UnregisteredEvent.name;
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await assert.rejects(
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subscriptions.handleRequest(getLink(0), request, addr({ controlId: 0 }), addr("controller")),
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new Error(`Event ${UnregisteredEvent.name} is not a registered event`)
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);
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});
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it("should not accept subscriptions to events not handled by the class", async function() {
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const request = new lib.SubscriptionRequest(RegisteredEvent.name, true);
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request.eventName = StringPermissionEvent.name;
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await assert.rejects(
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subscriptions.handleRequest(getLink(0), request, addr({ controlId: 0 }), addr("controller")),
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new Error(`Event ${StringPermissionEvent.name} is not a registered as subscribable`)
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);
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});
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it("should accept a subscription", async function() {
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const request = new lib.SubscriptionRequest(RegisteredEvent.name, true);
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await subscriptions.handleRequest(
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getLink(0), request, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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subscriptions.broadcast(new RegisteredEvent());
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await onceConnectorSend(0);
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assertLastEvent(0, RegisteredEvent);
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});
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it("should accept an unsubscription", async function() {
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const request = new lib.SubscriptionRequest(RegisteredEvent.name, true);
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await subscriptions.handleRequest(
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getLink(0), request, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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subscriptions.broadcast(new RegisteredEvent());
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await onceConnectorSend(0);
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assertLastEvent(0, RegisteredEvent);
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const link = getLink(0);
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link.connector.sentMessages.pop();
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const unsubRequest = new lib.SubscriptionRequest(RegisteredEvent.name, false);
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await subscriptions.handleRequest(
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getLink(0), unsubRequest, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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subscriptions.broadcast(new RegisteredEvent());
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assertNoEvent(0);
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});
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it("should accept a response with an event replay when returned by the handler", async function() {
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subscriptions.handle(StringPermissionEvent, async function() {
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return new StringPermissionEvent();
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});
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const request = new lib.SubscriptionRequest(StringPermissionEvent.name, true);
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await subscriptions.handleRequest(
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getLink(0), request, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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await onceConnectorSend(0);
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assertLastEvent(0, StringPermissionEvent);
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const link = getLink(0);
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const lastMessage = link.connector.sentMessages.pop();
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const eventEntry = lib.Link._eventsByClass.get(StringPermissionEvent);
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const response = eventEntry.eventFromJSON(lastMessage.data);
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assert.deepEqual(response, new StringPermissionEvent());
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});
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it("should accept a response with null when returned by the handler", async function() {
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subscriptions.handle(StringPermissionEvent, async function() {
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return null;
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});
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const request = new lib.SubscriptionRequest(StringPermissionEvent.name, true);
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await subscriptions.handleRequest(
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getLink(0), request, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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await new Promise(resolve => setImmediate(resolve));
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assertNoEvent(0);
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});
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describe("filters()", function() {
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it("should notify only subscribers matching the broadcast filter", async function() {
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const reqFoo = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, "foo");
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await subscriptions.handleRequest(
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getLink(0), reqFoo, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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const reqBar = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, "bar");
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await subscriptions.handleRequest(
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getLink(1), reqBar, connectorSetupDate[1].dst, connectorSetupDate[1].src
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);
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const before0 = getLink(0).connector.sentMessages.length;
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const before1 = getLink(1).connector.sentMessages.length;
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subscriptions.broadcast(new RegisteredEvent(), "foo");
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await onceConnectorSend(0);
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assert.equal(getLink(0).connector.sentMessages.length, before0 + 1);
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assert.equal(getLink(1).connector.sentMessages.length, before1);
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subscriptions.broadcast(new RegisteredEvent(), "bar");
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await onceConnectorSend(1);
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assert.equal(getLink(0).connector.sentMessages.length, before0 + 1);
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assert.equal(getLink(1).connector.sentMessages.length, before1 + 1);
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const beforeBaz0 = getLink(0).connector.sentMessages.length;
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const beforeBaz1 = getLink(1).connector.sentMessages.length;
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subscriptions.broadcast(new RegisteredEvent(), "baz");
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await new Promise(resolve => setImmediate(resolve));
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assert.equal(getLink(0).connector.sentMessages.length, beforeBaz0);
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assert.equal(getLink(1).connector.sentMessages.length, beforeBaz1);
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});
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it("should notify subscribers with no filters for any broadcast filter", async function() {
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const reqAll = new lib.SubscriptionRequest(RegisteredEvent.name, true);
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await subscriptions.handleRequest(
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getLink(0), reqAll, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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const reqBaz = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, "baz");
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await subscriptions.handleRequest(
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getLink(1), reqBaz, connectorSetupDate[1].dst, connectorSetupDate[1].src
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);
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const before0 = getLink(0).connector.sentMessages.length;
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const before1 = getLink(1).connector.sentMessages.length;
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subscriptions.broadcast(new RegisteredEvent(), "foo");
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await onceConnectorSend(0);
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assert.equal(getLink(0).connector.sentMessages.length, before0 + 1);
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assert.equal(getLink(1).connector.sentMessages.length, before1);
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subscriptions.broadcast(new RegisteredEvent(), "baz");
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await Promise.all([onceConnectorSend(0), onceConnectorSend(1)]);
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assert.equal(getLink(0).connector.sentMessages.length, before0 + 2);
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assert.equal(getLink(1).connector.sentMessages.length, before1 + 1);
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});
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it("should merge multiple filter subscriptions for the same subscriber", async function() {
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const reqFoo = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, "alpha");
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await subscriptions.handleRequest(
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getLink(0), reqFoo, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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const reqBar = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, "beta");
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await subscriptions.handleRequest(
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getLink(0), reqBar, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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const before0 = getLink(0).connector.sentMessages.length;
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subscriptions.broadcast(new RegisteredEvent(), "alpha");
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await onceConnectorSend(0);
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assert.equal(getLink(0).connector.sentMessages.length, before0 + 1);
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subscriptions.broadcast(new RegisteredEvent(), "beta");
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await onceConnectorSend(0);
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assert.equal(getLink(0).connector.sentMessages.length, before0 + 2);
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subscriptions.broadcast(new RegisteredEvent(), "gamma");
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await new Promise(resolve => setImmediate(resolve));
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assert.equal(getLink(0).connector.sentMessages.length, before0 + 2);
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});
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it("should reset to all when subscribing with no filters after having filters", async function() {
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const reqFoo = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, "foo");
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await subscriptions.handleRequest(
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getLink(0), reqFoo, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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const reqAll = new lib.SubscriptionRequest(RegisteredEvent.name, true);
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await subscriptions.handleRequest(
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getLink(0), reqAll, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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subscriptions.broadcast(new RegisteredEvent(), "baz");
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await onceConnectorSend(0);
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});
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it("should remove only specified filters on unsubscribe with filters", async function() {
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const reqFilters = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, ["foo", "bar"]);
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await subscriptions.handleRequest(
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getLink(0), reqFilters, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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const unsubFoo = new lib.SubscriptionRequest(RegisteredEvent.name, false, 0, "foo");
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await subscriptions.handleRequest(
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getLink(0), unsubFoo, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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const before0 = getLink(0).connector.sentMessages.length;
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subscriptions.broadcast(new RegisteredEvent(), "foo");
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await new Promise(resolve => setImmediate(resolve));
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assert.equal(getLink(0).connector.sentMessages.length, before0);
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subscriptions.broadcast(new RegisteredEvent(), "bar");
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await onceConnectorSend(0);
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assert.equal(getLink(0).connector.sentMessages.length, before0 + 1);
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});
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it("should remove entire subscription when last filter is unsubscribed", async function() {
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const reqFoo = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, "foo");
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await subscriptions.handleRequest(
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getLink(0), reqFoo, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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const unsubFoo = new lib.SubscriptionRequest(RegisteredEvent.name, false, 0, "foo");
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await subscriptions.handleRequest(
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getLink(0), unsubFoo, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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subscriptions.broadcast(new RegisteredEvent(), "foo");
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await new Promise(resolve => setImmediate(resolve));
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assertNoEvent(0);
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});
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// eslint-disable-next-line max-len
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it("should remove entire subscription when unsubscribing any filter from an all-subscription", async function() {
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const reqAll = new lib.SubscriptionRequest(RegisteredEvent.name, true);
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await subscriptions.handleRequest(
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getLink(0), reqAll, connectorSetupDate[0].dst, connectorSetupDate[0].src
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);
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|
const unsubAny = new lib.SubscriptionRequest(RegisteredEvent.name, false, 0, "foo");
|
|
await subscriptions.handleRequest(
|
|
getLink(0), unsubAny, connectorSetupDate[0].dst, connectorSetupDate[0].src
|
|
);
|
|
|
|
subscriptions.broadcast(new RegisteredEvent());
|
|
await new Promise(resolve => setImmediate(resolve));
|
|
assertNoEvent(0);
|
|
});
|
|
|
|
it("should match any of multiple broadcast filters", async function() {
|
|
const reqFoo = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, "foo");
|
|
await subscriptions.handleRequest(
|
|
getLink(0), reqFoo, connectorSetupDate[0].dst, connectorSetupDate[0].src
|
|
);
|
|
const reqBar = new lib.SubscriptionRequest(RegisteredEvent.name, true, 0, "bar");
|
|
await subscriptions.handleRequest(
|
|
getLink(1), reqBar, connectorSetupDate[1].dst, connectorSetupDate[1].src
|
|
);
|
|
|
|
subscriptions.broadcast(new RegisteredEvent(), ["bar", "baz"]);
|
|
await onceConnectorSend(1);
|
|
assertNoEvent(0);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe("class EventSubscriber", function() {
|
|
let mockControl, registeredEvent;
|
|
beforeEach(function() {
|
|
mockControl = new MockControl(new MockConnector(
|
|
addr({ controlId: 0 }),
|
|
addr("controller"),
|
|
));
|
|
registeredEvent = new lib.EventSubscriber(RegisteredEvent, mockControl);
|
|
});
|
|
|
|
function assertLastMessage(message) {
|
|
const Message = message.constructor;
|
|
const lastMessage = mockControl.connector.sentMessages.at(-1);
|
|
const name = Message.plugin ? `${Message.plugin}:${Message.name}` : Message.name;
|
|
assert.equal(lastMessage.name, name);
|
|
assert.deepEqual(lastMessage.data, message);
|
|
}
|
|
|
|
function assertNoMessageSent() {
|
|
assert.equal(mockControl.connector.sentMessages.length, 0, "messages were sent");
|
|
}
|
|
|
|
describe("constructor()", function() {
|
|
it("should not accept unregistered events", function() {
|
|
assert.throws(
|
|
() => new lib.EventSubscriber(UnregisteredEvent, mockControl),
|
|
new Error(`Unregistered Event class ${UnregisteredEvent.name}`)
|
|
);
|
|
});
|
|
it("should handle the provided event", function() {
|
|
assert.equal(mockControl._eventHandlers.has(RegisteredEvent), true);
|
|
});
|
|
});
|
|
|
|
describe("subscribe()", function() {
|
|
it("should allow subscriptions to an event", async function() {
|
|
let calledWith = null;
|
|
let calledWithTwo = null;
|
|
const item = { id: 1, updatedAtMs: 1, isDeleted: false };
|
|
const eventUpdate = new RegisteredEvent([item]);
|
|
registeredEvent.subscribe(function(event, synced) { calledWith = [event, synced]; });
|
|
registeredEvent.subscribe(function(event, synced) { calledWithTwo = [event, synced]; });
|
|
await registeredEvent._handleEvent(eventUpdate);
|
|
assert.deepEqual(calledWith, [eventUpdate, true]);
|
|
assert.deepEqual(calledWithTwo, [eventUpdate, true]);
|
|
});
|
|
it("should allow unsubscribing from an event", async function() {
|
|
let called = false;
|
|
let event = new RegisteredEvent();
|
|
function callback() { called = true; }
|
|
const unsubscribe = registeredEvent.subscribe(callback);
|
|
await registeredEvent._handleEvent(event);
|
|
assert.deepEqual(called, true);
|
|
|
|
called = false;
|
|
event = new RegisteredEvent();
|
|
unsubscribe();
|
|
// Wait for unsubscribe to happen.
|
|
await new Promise(resolve => setImmediate(resolve));
|
|
await registeredEvent._handleEvent(event);
|
|
assert.equal(called, false);
|
|
});
|
|
it("should not throw error on incorrectly unsubscribing multiple times", async function() {
|
|
const unsubscribe = registeredEvent.subscribe(() => {});
|
|
unsubscribe();
|
|
unsubscribe();
|
|
// Wait for unsubscribe to happen.
|
|
await new Promise(resolve => setImmediate(resolve));
|
|
});
|
|
});
|
|
|
|
describe("getSnapshot()", function() {
|
|
it("should give an immutable copy of the tracked values", async function() {
|
|
const update1 = [{ id: 1, updatedAtMs: 1, isDeleted: false }];
|
|
const update2 = [
|
|
{ id: 1, updatedAtMs: 2, isDeleted: false },
|
|
{ id: 2, updatedAtMs: 3, isDeleted: false },
|
|
];
|
|
const update3 = [{ id: 1, updatedAtMs: 4, isDeleted: true }];
|
|
const snap0 = registeredEvent.getSnapshot();
|
|
assert.deepEqual(snap0, [new Map(), false]);
|
|
await registeredEvent._handleEvent(new RegisteredEvent(update1));
|
|
const snap1 = registeredEvent.getSnapshot();
|
|
assert.deepEqual(snap1, [new Map([[1, update1[0]]]), false]);
|
|
await registeredEvent._handleEvent(new RegisteredEvent(update2));
|
|
const snap2 = registeredEvent.getSnapshot();
|
|
assert.deepEqual(snap2, [new Map([[1, update2[0]], [2, update2[1]]]), false]);
|
|
await registeredEvent._handleEvent(new RegisteredEvent(update3));
|
|
const snap3 = registeredEvent.getSnapshot();
|
|
assert.deepEqual(snap3, [new Map([[2, update2[1]]]), false]);
|
|
// validate previous snapshots were not modified
|
|
assert.deepEqual(snap2, [new Map([[1, update2[0]], [2, update2[1]]]), false]);
|
|
assert.deepEqual(snap1, [new Map([[1, update1[0]]]), false]);
|
|
assert.deepEqual(snap0, [new Map(), false]);
|
|
});
|
|
});
|
|
|
|
describe("handleConnectionEvent", function() {
|
|
it("should be called on connector connect event", async function() {
|
|
registeredEvent.subscribe(() => {});
|
|
await events.once(mockControl.connector, "send");
|
|
mockControl.connector.sentMessages.pop();
|
|
|
|
registeredEvent.control.connector.emit("connect");
|
|
await events.once(mockControl.connector, "send");
|
|
assertLastMessage(new lib.SubscriptionRequest(RegisteredEvent.name, true, -1));
|
|
mockControl.connector.sentMessages.pop();
|
|
|
|
registeredEvent.handleConnectionEvent("connect");
|
|
await events.once(mockControl.connector, "send");
|
|
assertLastMessage(new lib.SubscriptionRequest(RegisteredEvent.name, true, -1));
|
|
mockControl.connector.sentMessages.pop();
|
|
|
|
registeredEvent.handleConnectionEvent("resume");
|
|
await events.once(mockControl.connector, "send");
|
|
assertLastMessage(new lib.SubscriptionRequest(RegisteredEvent.name, true, -1));
|
|
});
|
|
it("should set synced to false on connection close", async function() {
|
|
registeredEvent.synced = true;
|
|
registeredEvent.control.connector.emit("close");
|
|
assert(!registeredEvent.synced, "synced was not set to false during close event");
|
|
|
|
registeredEvent.synced = true;
|
|
registeredEvent.handleConnectionEvent("drop");
|
|
assert(!registeredEvent.synced, "synced was not set to false during drop");
|
|
|
|
registeredEvent.synced = true;
|
|
registeredEvent.handleConnectionEvent("close");
|
|
assert(!registeredEvent.synced, "synced was not set to false during close");
|
|
});
|
|
it("should invoke callbacks on connector close", async function() {
|
|
let calledWith;
|
|
registeredEvent.subscribe((values, synced) => { calledWith = [values, synced]; });
|
|
const [msg] = await events.once(mockControl.connector, "send");
|
|
mockControl.connector.emit("message", new lib.MessageResponse(0, msg.dst, msg.src,
|
|
lib.SubscriptionRequest.Response.fromJSON(false)
|
|
));
|
|
await new Promise(resolve => setImmediate(resolve));
|
|
assert(registeredEvent.synced, "synced was not set to true before close");
|
|
calledWith = undefined;
|
|
|
|
registeredEvent.control.connector.emit("close");
|
|
assert(!registeredEvent.synced, "synced was not set to false");
|
|
assert(calledWith !== undefined, "callback not called");
|
|
assert.deepEqual(calledWith, [null, false]);
|
|
});
|
|
});
|
|
|
|
describe("_updateSubscription()", function() {
|
|
it("should do nothing if connection is not valid", async function() {
|
|
registeredEvent.control.connector.valid = false;
|
|
registeredEvent.subscribe(() => true);
|
|
await new Promise(resolve => setImmediate(resolve));
|
|
assertNoMessageSent();
|
|
});
|
|
it("should correctly request a subscription", async function() {
|
|
registeredEvent.subscribe(() => true);
|
|
await events.once(mockControl.connector, "send");
|
|
assertLastMessage(new lib.SubscriptionRequest(RegisteredEvent.name, true, -1));
|
|
});
|
|
it("should correctly request an unsubscription", async function() {
|
|
function callback() {}
|
|
const unsubscribe = registeredEvent.subscribe(callback);
|
|
await events.once(mockControl.connector, "send");
|
|
unsubscribe();
|
|
await events.once(mockControl.connector, "send");
|
|
assertLastMessage(new lib.SubscriptionRequest(RegisteredEvent.name, false, -1));
|
|
});
|
|
it("should set synced and invoke callbacks when request is responded to", async function() {
|
|
let calledWith;
|
|
registeredEvent.subscribe((values, synced) => { calledWith = [values, synced]; });
|
|
const [msg] = await events.once(mockControl.connector, "send");
|
|
assert(!registeredEvent.synced, "synced was set before response");
|
|
mockControl.connector.emit("message", new lib.MessageResponse(0, msg.dst, msg.src,
|
|
lib.SubscriptionRequest.Response.fromJSON(false)
|
|
));
|
|
await new Promise(resolve => setImmediate(resolve));
|
|
assert(calledWith !== undefined, "callback not called");
|
|
assert.deepEqual(calledWith, [null, true]);
|
|
assert(registeredEvent.synced, "synced was not set");
|
|
});
|
|
it("should set synced and invoke callbacks when request is responded to with data", async function() {
|
|
let calledWith;
|
|
registeredEvent.subscribe((values, synced) => { calledWith = [values, synced]; });
|
|
const [msg] = await events.once(mockControl.connector, "send");
|
|
assert(!registeredEvent.synced, "synced was set before response");
|
|
mockControl.connector.emit("message", new lib.MessageResponse(0, msg.dst, msg.src,
|
|
lib.SubscriptionRequest.Response.fromJSON(true)
|
|
));
|
|
await new Promise(resolve => setImmediate(resolve));
|
|
|
|
assert(!registeredEvent.synced, "synced was set before update");
|
|
assert(calledWith === undefined, "callback called before update");
|
|
const eventUpdate = new RegisteredEvent();
|
|
registeredEvent._handleEvent(eventUpdate);
|
|
|
|
assert(registeredEvent.synced, "synced was not set");
|
|
assert(calledWith !== undefined, "callback not called");
|
|
assert.deepEqual(calledWith, [eventUpdate, true]);
|
|
});
|
|
});
|
|
});
|
|
});
|