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vscode-react-native/test/extension

test/extension/commandExecutor.test.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 {CommandExecutor} from "../../src/common/commandExecutor";
5import { ConsoleLogger } from "../../src/extension/log/ConsoleLogger";
6
7import { Node } from "../../src/common/node/node";
8import { ChildProcess } from "../../src/common/node/childProcess";
9
10
11import { EventEmitter } from "events";
12import * as assert from "assert";
13import * as semver from "semver";
14import * as sinon from "sinon";
15import * as Q from "q";
16
17suite("commandExecutor", function() {
18 suite("extensionContext", function () {
19
20 let childProcessStubInstance = new ChildProcess();
21 let childProcessStub: Sinon.SinonStub & ChildProcess;
22 let Log = new ConsoleLogger();
23
24 teardown(function() {
25 let mockedMethods = [Log.log, ...Object.keys(childProcessStubInstance)];
26
27 mockedMethods.forEach((method) => {
28 if (method.hasOwnProperty("restore")) {
29 (<any>method).restore();
30 }
31 });
32
33 childProcessStub.restore();
34 });
35
36 setup(() => {
37 childProcessStub = sinon.stub(Node, "ChildProcess")
38 .returns(childProcessStubInstance) as ChildProcess & Sinon.SinonStub;
39 });
40
41 test("should execute a command", function() {
42 let ce = new CommandExecutor(process.cwd(), Log);
43 let loggedOutput: string = "";
44
45 sinon.stub(Log, "log", function(message: string, formatMessage: boolean = true) {
46 loggedOutput += semver.clean(message) || "";
47 console.log(message);
48 });
49
50 return ce.execute("node -v")
51 .then(() => {
52 assert(loggedOutput);
53 });
54 });
55
56 test("should reject on bad command", function() {
57 let ce = new CommandExecutor();
58
59 return ce.execute("bar")
60 .then(() => {
61 assert.fail(null, null, "bar should not be a valid command");
62 })
63 .catch((reason) => {
64 console.log(reason.message);
65 assert.equal(reason.errorCode, 101);
66 assert.equal(reason.errorLevel, 0);
67 });
68 });
69
70 test("should reject on good command that fails", function() {
71 let ce = new CommandExecutor();
72
73 return ce.execute("node install bad-package")
74 .then(() => {
75 assert.fail(null, null, "node should not be able to install bad-package");
76 })
77 .catch((reason) => {
78 console.log(reason.message);
79 assert.equal(reason.errorCode, 101);
80 assert.equal(reason.errorLevel, 0);
81 });
82 });
83
84 test("should spawn a command", function(done: MochaDone) {
85 let ce = new CommandExecutor();
86 let loggedOutput: string = "";
87
88 sinon.stub(Log, "log", function(message: string, formatMessage: boolean = true) {
89 loggedOutput += message;
90 console.log(message);
91 });
92
93 Q({})
94 .then(function () {
95 return ce.spawn("node", ["-v"]);
96 }).done(() => done(), done);
97 });
98
99 test("spawn should reject a bad command", function(done: MochaDone) {
100 let ce = new CommandExecutor();
101 let loggedOutput: string = "";
102
103 sinon.stub(Log, "log", function(message: string, formatMessage: boolean = true) {
104 loggedOutput += message;
105 console.log(message);
106 });
107
108 Q({})
109 .then(function() {
110 return ce.spawn("bar", ["-v"]);
111 })
112 .catch((reason) => {
113 console.log(reason.message);
114 assert.equal(reason.errorCode, 101);
115 assert.equal(reason.errorLevel, 0);
116 }).done(() => done(), done);
117 });
118
119 test("should not fail on react-native command without arguments", function (done: MochaDone) {
120 (sinon.stub(childProcessStubInstance, "spawn") as Sinon.SinonStub)
121 .returns({
122 stdout: new EventEmitter(),
123 stderr: new EventEmitter(),
124 outcome: Promise.resolve(void 0),
125 });
126
127 new CommandExecutor()
128 .spawnReactCommand("run-ios").outcome
129 .then(done, err => {
130 assert.fail(null, null, "react-natibe command was not expected to fail");
131 });
132 });
133 });
134});
135