Add test for comment operator

test/mode/modeHandler.test.ts

@@ -7,7 +7,9 @@ import { ModeHandler } from '../../src/mode/modeHandler';
 
 suite("Mode Handler", () => {
 
-  setup(setupWorkspace);
+  setup(async () => {
+    await setupWorkspace();
+  });
 
   teardown(cleanUpWorkspace);
 

test/operator/comment.test.ts

@@ -0,0 +1,50 @@
+"use strict";
+
+import { setupWorkspace, setTextEditorOptions, cleanUpWorkspace } from './../testUtils';
+import { ModeName } from '../../src/mode/mode';
+import { ModeHandler } from '../../src/mode/modeHandler';
+import { getTestingFunctions } from '../testSimplifier';
+
+suite("comment operator", () => {
+    let modeHandler: ModeHandler;
+    let {
+        newTest,
+        newTestOnly,
+    } = getTestingFunctions();
+
+    setup(async () => {
+        await setupWorkspace(".js");
+        setTextEditorOptions(4, false);
+        modeHandler = new ModeHandler();
+    });
+
+    teardown(cleanUpWorkspace);
+
+    newTest({
+      title: "gbb comments out current line",
+      start: [
+        "first| line",
+        "second line"
+      ],
+      keysPressed: 'gbb',
+      end: [
+        "|// first line",
+        "second line",
+      ],
+    });
+
+    newTest({
+      title: "gbj comments in current and next line",
+      start: [
+        "// first| line",
+        "// second line",
+        "third line"
+      ],
+      keysPressed: 'gbj',
+      end: [
+        "|first line",
+        "second line",
+        "third line"
+      ],
+    });
+});

test/testUtils.ts

@@ -12,8 +12,8 @@ function rndName() {
   return Math.random().toString(36).replace(/[^a-z]+/g, '').substr(0, 10);
 }
 
-async function createRandomFile(contents: string): Promise<vscode.Uri> {
-  const tmpFile = join(os.tmpdir(), rndName());
+async function createRandomFile(contents: string, fileExtension: string): Promise<vscode.Uri> {
+  const tmpFile = join(os.tmpdir(), rndName() + fileExtension);
 
   try {
     fs.writeFileSync(tmpFile, contents);
@@ -41,8 +41,8 @@ export function assertEqual<T>(one: T, two: T, message: string = ""): void {
   assert.equal(one, two, message);
 }
 
-export async function setupWorkspace(): Promise<any> {
-  const file   = await createRandomFile("");
+export async function setupWorkspace(fileExtension: string = ""): Promise<any> {
+  const file   = await createRandomFile("", fileExtension);
   const doc  = await vscode.workspace.openTextDocument(file);
 
   await vscode.window.showTextDocument(doc);

test/textEditor.test.ts

@@ -6,7 +6,9 @@ import { TextEditor } from './../src/textEditor';
 import { setupWorkspace, cleanUpWorkspace } from './testUtils';
 
 suite("text editor", () => {
-  suiteSetup(setupWorkspace);
+  suiteSetup(async () => {
+    await setupWorkspace();
+  });
 
   suiteTeardown(cleanUpWorkspace);