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vscode-react-native/test/resources

test/resources/reactNative022.ts

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1// Copyright (c) Microsoft Corporation. All rights reserved.
2// Licensed under the MIT license. See LICENSE file in the project root for details.
3
4import * as Q from "q";
5import * as path from "path";
6import * as assert from "assert";
7
8import {PromiseUtil} from "../../src/common/node/promise";
9
10import {IAndroidRunOptions} from "../../src/extension/launchArgs";
11import {ISpawnResult} from "../../src/common/node/childProcess";
12import {FileSystem} from "../../src/common/node/fileSystem";
13import {Package} from "../../src/common/node/package";
14import {Recording, Simulator} from "./processExecution/simulator";
15import {AdbHelper} from "../../src/extension/android/adb";
16import {APKSerializer} from "./simulators/apkSerializer";
17
18const sampleRNProjectPath = path.join(__dirname, "sampleReactNative022Project");
19const processExecutionsRecordingsPath = path.join(__dirname, "processExecutionsRecordings");
20
21/* This class simulates calling the React-Native CLI v0.22. It currently supports react-native init
22 and react-native run-android. */
23export class ReactNative022 {
24
25 public static DEFAULT_PROJECT_FILE = path.join(sampleRNProjectPath, "package.json");
26
27 private static ANDROID_APK_RELATIVE_PATH = "android/app/build/outputs/apk/app-debug.apk";
28
29 private projectFileContent: string;
30
31 private simulator: Simulator = new Simulator({
32 beforeStart: () => this.readAndroidPackageName(), // 1. We read the package.json to verify this is a RN project
33 outputBased: [
34 {
35 eventPattern: /:app:assembleDebug/,
36 action: () => this.createAPK(), // 2. We compile the application.
37 },
38 {
39 eventPattern: /Installed on [0-9]+ devices*\./,
40 action: () => this.installAppInAllDevices(), // 3. We install it on all available devices.
41 },
42 ],
43 beforeSuccess: (stdout: string, stderr: string) => // 4. If we didn't had any errors after starting to launch the app,
44 this.launchApp(stdout, stderr), // it means we were succesful
45 });
46
47 private recording: Recording;
48
49 private androidPackageName: string;
50 private projectRoot: string;
51 private androidAPKPath: string;
52
53 constructor(private fileSystem: FileSystem, private adbHelper: AdbHelper) {
54 assert(this.fileSystem, "fileSystem shouldn't be null");
55 }
56
57 public fromProjectFileContent(content: string): this {
58 this.projectFileContent = content;
59 return this;
60 }
61
62 public loadRecordingFromName(recordingName: string): Q.Promise<void> {
63 return this.loadRecordingFromFile(path.join(processExecutionsRecordingsPath, `${recordingName}.json`));
64 }
65
66 public loadRecordingFromString(recordingContent: string): Q.Promise<void> {
67 return Q.when(this.loadRecording(JSON.parse(recordingContent)));
68 }
69
70 public loadRecordingFromFile(recordingPath: string): Q.Promise<void> {
71 return Q({})
72 .then(() => {
73 return new FileSystem().readFile(recordingPath);
74 }).then(fileContents => {
75 this.loadRecording(JSON.parse(fileContents));
76 });
77 }
78
79 public loadRecording(recording: Recording): void {
80 assert(recording, "recording shouldn't be null");
81 this.recording = recording;
82 }
83
84 public createProject(projectRoot: string, projectName: string): Q.Promise<void> {
85 return Q({})
86 .then(() => {
87 this.fileSystem.makeDirectoryRecursiveSync(projectRoot);
88 return this.projectFileContent !== undefined ?
89 this.projectFileContent :
90 this.readDefaultProjectFile();
91 }).then(defaultContents => {
92 const reactNativeConfiguration = JSON.parse(defaultContents);
93 reactNativeConfiguration.name = projectName;
94 const reactNativeConfigurationFormatted = JSON.stringify(reactNativeConfiguration);
95 return this.fileSystem.writeFile(this.getPackageJsonPath(projectRoot), reactNativeConfigurationFormatted);
96 }).then(() => {
97 return this.fileSystem.mkDir(this.getAndroidProjectPath(projectRoot));
98 });
99 }
100
101 public runAndroid(runOptions: IAndroidRunOptions): ISpawnResult {
102 this.projectRoot = runOptions.projectRoot;
103 this.simulator.simulate(this.recording).done();
104 return this.simulator.spawn();
105 }
106
107 private getAndroidProjectPath(projectRoot = this.projectRoot): string {
108 return path.join(projectRoot, "android");
109 }
110
111 private getPackageJsonPath(projectRoot: string): string {
112 return new Package(projectRoot, { fileSystem: this.fileSystem }).informationJsonFilePath();
113 }
114
115 private readAndroidPackageName(): Q.Promise<void> {
116 return new Package(this.projectRoot, { fileSystem: this.fileSystem }).name().then(name => {
117 this.androidPackageName = `com.${name.toLowerCase()}`;
118 });
119 }
120
121 private createAPK(): Q.Promise<void> {
122 return this.isAndroidProjectPresent().then(isPresent => {
123 return isPresent ? void 0 : Q.reject<void>(new Error("The recording expects the Android project to be present, but it's not"));
124 }).then(() => {
125 this.androidAPKPath = path.join(this.projectRoot, ReactNative022.ANDROID_APK_RELATIVE_PATH);
126 return new APKSerializer(this.fileSystem).writeApk(this.androidAPKPath, { packageName: this.androidPackageName });
127 });
128 }
129
130 private isAndroidProjectPresent(): Q.Promise<boolean> {
131 // TODO: Make more checks as neccesary for the tests
132 return this.fileSystem.directoryExists(this.getAndroidProjectPath());
133 }
134
135 private installAppInAllDevices(): Q.Promise<void> {
136 let devices = this.adbHelper.getConnectedDevices();
137 return new PromiseUtil().reduce(devices, device => this.installAppInDevice(device.id));
138 }
139
140 private installAppInDevice(deviceId: string): Q.Promise<void> {
141 throw Error("Mock not implemented");
142 }
143
144 private launchApp(stdout: string, stderr: string): Q.Promise<void> {
145 /*
146 Sample output we want to accept:
147 BUILD SUCCESSFUL
148
149 Total time: 9.052 secs
150 Starting the app (C:\Program Files (x86)\Android\android-sdk/platform-tools/adb shell am start -n com.sampleapplication/.MainActivity)...
151 Starting: Intent { cmp=com.sampleapplication/.MainActivity }
152
153
154 Sample output we don't to accept:
155 BUILD SUCCESSFUL
156
157 Total time: 9.052 secs
158 Starting the app (C:\Program Files (x86)\Android\android-sdk/platform-tools/adb shell am start -n com.sampleapplication/.MainActivity)...
159 Starting: Intent { cmp=com.sampleapplication/.MainActivity }
160 Error: some error happened
161 **/
162 const succesfulOutputEnd = `Starting the app \\(.*adb shell am start -n ([^ /]+)\/\\.MainActivity\\)\\.\\.\\.\\s+`
163 + `Starting: Intent { cmp=([^ /]+)\/\\.MainActivity }\\s+$`;
164 const matches = stdout.match(new RegExp(succesfulOutputEnd));
165 if (matches) {
166 if (matches.length === 3 && matches[1] === this.androidPackageName && matches[2] === this.androidPackageName) {
167 return this.adbHelper.launchApp(this.projectRoot, this.androidPackageName);
168 } else {
169 return Q.reject<void>(new Error("There was an error while trying to match the Starting the app messages."
170 + "Expected to match the pattern and recognize the expected android package name, but it failed."
171 + `Expected android package name: ${this.androidPackageName}. Actual matches: ${JSON.stringify(matches)}`));
172 }
173 } else {
174 // The record doesn't indicate that the app was launched, so we don't do anything
175 return Q.resolve(void 0);
176 }
177 }
178
179 private readDefaultProjectFile(): Q.Promise<string> {
180 const realFileSystem = new FileSystem(); // We always use the real file system (not the mock one) to read the sample project
181 return realFileSystem.readFile(ReactNative022.DEFAULT_PROJECT_FILE);
182 }
183}
184