microsoft/vscode-react-native
Publicmirrored from https://github.com/microsoft/vscode-react-nativeAvailable
src/test/common/extensionMessaging.test.ts
109lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. All rights reserved. |
| 2 | // Licensed under the MIT license. See LICENSE file in the project root for details. |
| 3 | |
| 4 | import { |
| 5 | ExtensionMessage, |
| 6 | MessagingChannel, |
| 7 | } from "../../common/extensionMessaging"; |
| 8 | |
| 9 | import { |
| 10 | RemoteExtension, |
| 11 | } from "../../common/remoteExtension"; |
| 12 | |
| 13 | import { |
| 14 | InterProcessMessageSender, |
| 15 | } from "../../common/interProcessMessageSender"; |
| 16 | |
| 17 | import * as assert from "assert"; |
| 18 | import * as net from "net"; |
| 19 | import * as Q from "q"; |
| 20 | |
| 21 | let mockServer: net.Server; |
| 22 | |
| 23 | suite("extensionMessaging", function() { |
| 24 | suite("commonContext", function() { |
| 25 | const projectRootPath = "/myPath"; |
| 26 | const port: string = new MessagingChannel(projectRootPath).getPath(); |
| 27 | |
| 28 | teardown(function() { |
| 29 | if (mockServer) { |
| 30 | mockServer.close(); |
| 31 | } |
| 32 | }); |
| 33 | |
| 34 | test("should successfully send a message", function(done: MochaDone) { |
| 35 | let receivedMessage: ExtensionMessage; |
| 36 | |
| 37 | mockServer = net.createServer(function(client: net.Socket): void { |
| 38 | mockServer.close(); |
| 39 | client.on("data", function(data: Buffer) { |
| 40 | const messageData: any = JSON.parse(data.toString("utf8")); |
| 41 | client.end(); |
| 42 | |
| 43 | receivedMessage = messageData.message; |
| 44 | }); |
| 45 | }); |
| 46 | |
| 47 | mockServer.on("error", done); |
| 48 | mockServer.listen(port); |
| 49 | |
| 50 | const sender = new RemoteExtension(projectRootPath); |
| 51 | |
| 52 | Q({}) |
| 53 | .then(function() { |
| 54 | return sender.startPackager(); |
| 55 | }) |
| 56 | .then(function() { |
| 57 | assert.equal(receivedMessage, ExtensionMessage.START_PACKAGER); |
| 58 | }).done(() => done(), done); |
| 59 | }); |
| 60 | |
| 61 | test("should successfully send a message with args", function(done: MochaDone) { |
| 62 | const args = ["android"]; |
| 63 | let receivedMessage: ExtensionMessage; |
| 64 | let receivedArgs: any; |
| 65 | |
| 66 | mockServer = net.createServer(function(client: net.Socket): void { |
| 67 | mockServer.close(); |
| 68 | client.on("data", function(data: Buffer) { |
| 69 | const messageData: any = JSON.parse(data.toString("utf8")); |
| 70 | client.end(); |
| 71 | |
| 72 | receivedMessage = messageData.message; |
| 73 | receivedArgs = messageData.args; |
| 74 | }); |
| 75 | }); |
| 76 | |
| 77 | mockServer.on("error", done); |
| 78 | mockServer.listen(port); |
| 79 | |
| 80 | const sender = new RemoteExtension(projectRootPath); |
| 81 | |
| 82 | Q({}) |
| 83 | .then(function() { |
| 84 | return sender.prewarmBundleCache(args[0]); |
| 85 | }) |
| 86 | .then(function() { |
| 87 | assert.equal(receivedMessage, ExtensionMessage.PREWARM_BUNDLE_CACHE); |
| 88 | assert.deepEqual(receivedArgs, args); |
| 89 | }).done(() => done(), done); |
| 90 | }); |
| 91 | |
| 92 | test("should reject on socket error", function(done: MochaDone) { |
| 93 | const sender = new InterProcessMessageSender(projectRootPath); |
| 94 | |
| 95 | Q({}) |
| 96 | .then(function() { |
| 97 | return sender.sendMessage(ExtensionMessage.PREWARM_BUNDLE_CACHE); |
| 98 | }) |
| 99 | .then(function() { |
| 100 | assert(false, "sendMessage should reject on socket error"); |
| 101 | }, |
| 102 | function(reason: any) { |
| 103 | let expectedErrorMessage = "An error ocurred while handling message: PREWARM_BUNDLE_CACHE"; |
| 104 | assert.equal(reason.message, expectedErrorMessage); |
| 105 | }) |
| 106 | .done(() => done(), done); |
| 107 | }); |
| 108 | }); |
| 109 | }); |