fix unit test error 'cannot find vscode module' golang#2311 (golang#2310

)

.travis.yml

@@ -54,4 +54,5 @@ install:
 
 script:
   - npm run lint
+  - npm run unit-test
   - npm test --silent

.vscode/launch.json

@@ -25,7 +25,7 @@
 			"preLaunchTask": "npm"
 		},
 		{
-			"name": "Launch Tests",
+			"name": "Launch Integration Tests",
 			"type": "extensionHost",
 			"request": "launch",
 			"runtimeExecutable": "${execPath}",
@@ -42,7 +42,7 @@
 		{
 			"type": "node",
 			"request": "launch",
-			"name": "Unit Tests",
+			"name": "Launch Unit Tests",
 			"program": "${workspaceFolder}/node_modules/mocha/bin/_mocha",
 			"args": [
 				"-u",

package.json

@@ -31,7 +31,8 @@
     "compile": "tsc -watch -p ./",
     "postinstall": "node ./node_modules/vscode/bin/install",
     "test": "node ./node_modules/vscode/bin/test",
-    "lint": "node ./node_modules/tslint/bin/tslint ./src/*.ts ./src/debugAdapter/*.ts ./test/*.ts"
+    "lint": "node ./node_modules/tslint/bin/tslint ./src/*.ts ./src/debugAdapter/*.ts ./test/*.ts",
+    "unit-test": "node ./node_modules/mocha/bin/_mocha -u tdd --timeout 5000 --colors ./out/test/unit"
   },
   "extensionDependencies": [],
   "dependencies": {
@@ -1367,4 +1368,4 @@
       ]
     }
   }
-}
+}

test/unit/utils.test.ts → test/utils.test.ts

@@ -3,21 +3,21 @@
  * Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------*/
 
-import { guessPackageNameFromFile } from "../../src/util";
-import * as assert from "assert";
-import { substituteEnv } from "../../src/util";
+import { guessPackageNameFromFile } from '../src/util';
+import * as assert from 'assert';
+import { substituteEnv } from '../src/util';
 
-suite("utils Tests", () => {
-	test("substituteEnv: default", () => {
+suite('utils Tests', () => {
+	test('substituteEnv: default', () => {
 		// prepare test
 		const env = Object.assign({}, process.env);
-		process.env["test1"] = "abcd";
-		process.env["test2"] = "defg";
+		process.env['test1'] = 'abcd';
+		process.env['test2'] = 'defg';
 
 		let actual = substituteEnv(
-			" ${env:test1} \r\n ${env:test2}\r\n${env:test1}"
+			' ${env:test1} \r\n ${env:test2}\r\n${env:test1}'
 		);
-		let expected = " abcd \r\n defg\r\nabcd";
+		let expected = ' abcd \r\n defg\r\nabcd';
 
 		assert.equal(actual, expected);
 
@@ -26,10 +26,10 @@ suite("utils Tests", () => {
 	});
 });
 
-suite("GuessPackageNameFromFile Tests", () => {
-	test("package name from main file", done => {
-		const expectedPackageName = "main";
-		const filename = "main.go";
+suite('GuessPackageNameFromFile Tests', () => {
+	test('package name from main file', done => {
+		const expectedPackageName = 'main';
+		const filename = 'main.go';
 
 		guessPackageNameFromFile(filename)
 			.then(result => {
@@ -38,9 +38,9 @@ suite("GuessPackageNameFromFile Tests", () => {
 			.then(() => done(), done);
 	});
 
-	test("package name from dirpath", done => {
-		const expectedPackageName = "package";
-		const fileDir = "path/package/file.go";
+	test('package name from dirpath', done => {
+		const expectedPackageName = 'package';
+		const fileDir = 'path/package/file.go';
 
 		guessPackageNameFromFile(fileDir)
 			.then(([result]) => {
@@ -49,10 +49,10 @@ suite("GuessPackageNameFromFile Tests", () => {
 			.then(() => done(), done);
 	});
 
-	test("package name from test file", done => {
-		const expectedPackageName = "file";
-		const expectedPackageTestName = "file_test";
-		const fileDir = "file_test.go";
+	test('package name from test file', done => {
+		const expectedPackageName = 'file';
+		const expectedPackageTestName = 'file_test';
+		const fileDir = 'file_test.go';
 
 		guessPackageNameFromFile(fileDir)
 			.then(([packageNameResult, packageTestNameResult]) => {