First set of tests for Emmet commands #8454

extensions/emmet/package.json

@@ -65,7 +65,8 @@
         "compile": "gulp compile-extension:emmet"
     },
     "devDependencies": {
-        "@types/node": "^7.0.4"
+        "@types/node": "^7.0.4",
+		"vscode": "1.0.1"
     },
     "dependencies": {
         "@emmetio/expand-abbreviation": "^0.5.8",

extensions/emmet/src/extension.ts

@@ -96,27 +96,27 @@ export function activate(context: vscode.ExtensionContext) {
 	}));
 
 	context.subscriptions.push(vscode.commands.registerCommand('emmet.incrementNumberByOneTenth', () => {
-		incrementDecrement(.1);
+		return incrementDecrement(.1);
 	}));
 
 	context.subscriptions.push(vscode.commands.registerCommand('emmet.incrementNumberByOne', () => {
-		incrementDecrement(1);
+		return incrementDecrement(1);
 	}));
 
 	context.subscriptions.push(vscode.commands.registerCommand('emmet.incrementNumberByTen', () => {
-		incrementDecrement(10);
+		return incrementDecrement(10);
 	}));
 
 	context.subscriptions.push(vscode.commands.registerCommand('emmet.decrementNumberByOneTenth', () => {
-		incrementDecrement(-0.1);
+		return incrementDecrement(-0.1);
 	}));
 
 	context.subscriptions.push(vscode.commands.registerCommand('emmet.decrementNumberByOne', () => {
-		incrementDecrement(-1);
+		return incrementDecrement(-1);
 	}));
 
 	context.subscriptions.push(vscode.commands.registerCommand('emmet.decrementNumberByTen', () => {
-		incrementDecrement(-10);
+		return incrementDecrement(-10);
 	}));
 
 	let currentExtensionsPath = undefined;

extensions/emmet/src/incrementDecrement.ts

@@ -13,14 +13,14 @@ const reNumber = /[0-9]/;
  * Incerement number under caret of given editor
  * @param  {Number}     delta
  */
-export function incrementDecrement(delta: number) {
+export function incrementDecrement(delta: number): Thenable<boolean> {
 	let editor = vscode.window.activeTextEditor;
 	if (!editor) {
 		vscode.window.showInformationMessage('No editor is active');
 		return;
 	}
 
-	editor.edit(editBuilder => {
+	return editor.edit(editBuilder => {
 		editor.selections.forEach(selection => {
 			let rangeToReplace: vscode.Range = selection;
 			if (selection.isEmpty) {

extensions/emmet/src/test/incrementDecrement.test.ts

@@ -0,0 +1,78 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as assert from 'assert';
+import { Selection, commands } from 'vscode';
+import { withRandomFileEditor, closeAllEditors } from './testUtils';
+
+suite('Tests for Increment/Decrement Emmet Commands', () => {
+	teardown(closeAllEditors);
+
+	const contents = `
+	hello 123.43 there
+	hello 999.9 there
+	hello 100 there
+	`;
+
+	test('incrementNumberByOne', function (): any {
+		return withRandomFileEditor(contents, (editor, doc) => {
+				editor.selections = [new Selection(1, 7, 1, 10), new Selection(2, 7, 2, 10)];
+				return commands.executeCommand('emmet.incrementNumberByOne').then(() => {
+					assert.equal(doc.getText(), contents.replace('123', '124').replace('999', '1000'));
+					return Promise.resolve();
+				});
+			});
+	});
+
+	test('incrementNumberByTen', function (): any {
+		return withRandomFileEditor(contents, (editor, doc) => {
+				editor.selections = [new Selection(1, 7, 1, 10), new Selection(2, 7, 2, 10)];
+				return commands.executeCommand('emmet.incrementNumberByTen').then(() => {
+					assert.equal(doc.getText(), contents.replace('123', '133').replace('999', '1009'));
+					return Promise.resolve();
+				});
+			});
+	});
+
+	test('incrementNumberByOneTenth', function (): any {
+		return withRandomFileEditor(contents, (editor, doc) => {
+				editor.selections = [new Selection(1, 7, 1, 13), new Selection(2, 7, 2, 12)];
+				return commands.executeCommand('emmet.incrementNumberByOneTenth').then(() => {
+					assert.equal(doc.getText(), contents.replace('123.43', '123.53').replace('999.9', '1000'));
+					return Promise.resolve();
+				});
+			});
+	});
+
+	test('decrementNumberByOne', function (): any {
+		return withRandomFileEditor(contents, (editor, doc) => {
+				editor.selections = [new Selection(1, 7, 1, 10), new Selection(3, 7, 3, 10)];
+				return commands.executeCommand('emmet.decrementNumberByOne').then(() => {
+					assert.equal(doc.getText(), contents.replace('123', '122').replace('100', '99'));
+					return Promise.resolve();
+				});
+			});
+	});
+
+	test('decrementNumberByTen', function (): any {
+		return withRandomFileEditor(contents, (editor, doc) => {
+				editor.selections = [new Selection(1, 7, 1, 10), new Selection(3, 7, 3, 10)];
+				return commands.executeCommand('emmet.decrementNumberByTen').then(() => {
+					assert.equal(doc.getText(), contents.replace('123', '113').replace('100', '90'));
+					return Promise.resolve();
+				});
+			});
+	});
+
+	test('decrementNumberByOneTenth', function (): any {
+		return withRandomFileEditor(contents, (editor, doc) => {
+				editor.selections = [new Selection(1, 7, 1, 13), new Selection(3, 7, 3, 10)];
+				return commands.executeCommand('emmet.decrementNumberByOneTenth').then(() => {
+					assert.equal(doc.getText(), contents.replace('123.43', '123.33').replace('100', '99.9'));
+					return Promise.resolve();
+				});
+			});
+	});
+});

extensions/emmet/src/test/index.ts

@@ -0,0 +1,28 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+//
+// PLEASE DO NOT MODIFY / DELETE UNLESS YOU KNOW WHAT YOU ARE DOING
+//
+// This file is providing the test runner to use when running extension tests.
+// By default the test runner in use is Mocha based.
+//
+// You can provide your own test runner if you want to override it by exporting
+// a function run(testRoot: string, clb: (error:Error) => void) that the extension
+// host can call to run the tests. The test runner is expected to use console.log
+// to report the results back to the caller. When the tests are finished, return
+// a possible error to the callback or null if none.
+
+const testRunner = require('vscode/lib/testrunner');
+
+// You can directly control Mocha options by uncommenting the following lines
+// See https://github.com/mochajs/mocha/wiki/Using-mocha-programmatically#set-options for more info
+testRunner.configure({
+	ui: 'tdd', 		// the TDD UI is being used in extension.test.ts (suite, test, etc.)
+	useColors: process.platform !== 'win32', // colored output from test results (only windows cannot handle)
+	timeout: 60000
+});
+
+export = testRunner;

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);
+					}
+				});
+			});
+		});
+	});
+}

scripts/test-integration.sh

@@ -16,5 +16,6 @@ cd $ROOT
 ./scripts/code.sh $ROOT/extensions/vscode-api-tests/testWorkspace --extensionDevelopmentPath=$ROOT/extensions/vscode-api-tests --extensionTestsPath=$ROOT/extensions/vscode-api-tests/out --disableExtensions --user-data-dir=$VSCODEUSERDATADIR
 ./scripts/code.sh $ROOT/extensions/vscode-colorize-tests/test --extensionDevelopmentPath=$ROOT/extensions/vscode-colorize-tests --extensionTestsPath=$ROOT/extensions/vscode-colorize-tests/out --user-data-dir=$VSCODEUSERDATADIR
 ./scripts/test-int-mocha.sh
+./scripts/code.sh --extensionDevelopmentPath=$ROOT/extensions/emmet --extensionTestsPath=$ROOT/extensions/emmet/out/test --disableExtensions --user-data-dir=$VSCODEUSERDATADIR
 
 rm -r $VSCODEUSERDATADIR