add API tests that run on a workspace

extensions/vscode-api-tests/src/singlefolder-tests/languages.test.ts

@@ -0,0 +1,89 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 assert from 'assert';
+import { join } from 'path';
+import {
+	languages, workspace, commands, Uri, Diagnostic, Range, Command, Disposable, CancellationToken,
+	CompletionList, CompletionItem, CompletionItemKind, TextDocument, Position
+} from 'vscode';
+
+suite('languages namespace tests', () => {
+
+	test('diagnostics & CodeActionProvider', function () {
+
+		class D2 extends Diagnostic {
+			customProp = { complex() { } };
+			constructor() {
+				super(new Range(0, 2, 0, 7), 'sonntag');
+			}
+		}
+
+		let diag1 = new Diagnostic(new Range(0, 0, 0, 5), 'montag');
+		let diag2 = new D2();
+
+		let ran = false;
+		let uri = Uri.parse('ttt:path.far');
+
+		let r1 = languages.registerCodeActionsProvider({ pattern: '*.far', scheme: 'ttt' }, {
+			provideCodeActions(document, range, ctx): Command[] {
+
+				assert.equal(ctx.diagnostics.length, 2);
+				let [first, second] = ctx.diagnostics;
+				assert.ok(first === diag1);
+				assert.ok(second === diag2);
+				assert.ok(diag2 instanceof D2);
+				ran = true;
+				return [];
+			}
+		});
+
+		let r2 = workspace.registerTextDocumentContentProvider('ttt', {
+			provideTextDocumentContent() {
+				return 'this is some text';
+			}
+		});
+
+		let r3 = languages.createDiagnosticCollection();
+		r3.set(uri, [diag1]);
+
+		let r4 = languages.createDiagnosticCollection();
+		r4.set(uri, [diag2]);
+
+		return workspace.openTextDocument(uri).then(doc => {
+			return commands.executeCommand('vscode.executeCodeActionProvider', uri, new Range(0, 0, 0, 10));
+		}).then(commands => {
+			assert.ok(ran);
+			Disposable.from(r1, r2, r3, r4).dispose();
+		});
+	});
+
+	test('completions with document filters', function () {
+		let ran = false;
+		let uri = Uri.file(join(workspace.rootPath || '', './bower.json'));
+
+		let jsonDocumentFilter = [{ language: 'json', pattern: '**/package.json' }, { language: 'json', pattern: '**/bower.json' }, { language: 'json', pattern: '**/.bower.json' }];
+
+		let r1 = languages.registerCompletionItemProvider(jsonDocumentFilter, {
+			provideCompletionItems: (document: TextDocument, position: Position, token: CancellationToken): CompletionItem[] => {
+				let proposal = new CompletionItem('foo');
+				proposal.kind = CompletionItemKind.Property;
+				ran = true;
+				return [proposal];
+			}
+		});
+
+		return workspace.openTextDocument(uri).then(doc => {
+			return commands.executeCommand<CompletionList>('vscode.executeCompletionItemProvider', uri, new Position(1, 0));
+		}).then((result: CompletionList | undefined) => {
+			r1.dispose();
+			assert.ok(ran);
+			console.log(result!.items);
+			assert.equal(result!.items[0].label, 'foo');
+		});
+	});
+});