First set of tests for Emmet commands #8454

extensions/emmet/src/test/testUtils.ts

@@ -0,0 +1,72 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import * as vscode from 'vscode';
+import * as fs from 'fs';
+import * as os from 'os';
+import { join } from 'path';
+
+function rndName() {
+	return Math.random().toString(36).replace(/[^a-z]+/g, '').substr(0, 10);
+}
+
+export function createRandomFile(contents = ''): Thenable<vscode.Uri> {
+	return new Promise((resolve, reject) => {
+		const tmpFile = join(os.tmpdir(), rndName());
+		fs.writeFile(tmpFile, contents, (error) => {
+			if (error) {
+				return reject(error);
+			}
+
+			resolve(vscode.Uri.file(tmpFile));
+		});
+	});
+}
+
+export function pathEquals(path1: string, path2: string): boolean {
+	if (process.platform !== 'linux') {
+		path1 = path1.toLowerCase();
+		path2 = path2.toLowerCase();
+	}
+
+	return path1 === path2;
+}
+
+export function deleteFile(file: vscode.Uri): Thenable<boolean> {
+	return new Promise((resolve, reject) => {
+		fs.unlink(file.fsPath, (err) => {
+			if (err) {
+				reject(err);
+			} else {
+				resolve(true);
+			}
+		});
+	});
+}
+
+export function closeAllEditors(): Thenable<any> {
+	return vscode.commands.executeCommand('workbench.action.closeAllEditors');
+
+}
+
+export function withRandomFileEditor(initialContents: string, run: (editor: vscode.TextEditor, doc: vscode.TextDocument) => Thenable<void>): Thenable<boolean> {
+	return createRandomFile(initialContents).then(file => {
+		return vscode.workspace.openTextDocument(file).then(doc => {
+			return vscode.window.showTextDocument(doc).then((editor) => {
+				return run(editor, doc).then(_ => {
+					if (doc.isDirty) {
+						return doc.save().then(saved => {
+							return deleteFile(file);
+						});
+					} else {
+						return deleteFile(file);
+					}
+				});
+			});
+		});
+	});
+}