[css] path completion in web

extensions/css-language-features/server/src/test/requests.test.ts

@@ -0,0 +1,54 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import 'mocha';
+import * as assert from 'assert';
+import { joinPath, normalizePath, resolvePath } from '../requests';
+
+
+suite('requests', () => {
+	test('join', async function () {
+		assert.equal(joinPath('foo://a/foo/bar', 'x'), 'foo://a/foo/bar/x');
+		assert.equal(joinPath('foo://a/foo/bar/', 'x'), 'foo://a/foo/bar/x');
+		assert.equal(joinPath('foo://a/foo/bar/', '/x'), 'foo://a/foo/bar/x');
+		assert.equal(joinPath('foo://a/foo/bar/', 'x/'), 'foo://a/foo/bar/x/');
+		assert.equal(joinPath('foo://a/foo/bar/', 'x', 'y'), 'foo://a/foo/bar/x/y');
+		assert.equal(joinPath('foo://a/foo/bar/', 'x/', '/y'), 'foo://a/foo/bar/x/y');
+		assert.equal(joinPath('foo://a/foo/bar/', '.', '/y'), 'foo://a/foo/bar/y');
+		assert.equal(joinPath('foo://a/foo/bar/', 'x/y/z', '..'), 'foo://a/foo/bar/x/y');
+	});
+
+	test('resolve', async function () {
+		assert.equal(resolvePath('foo://a/foo/bar', 'x'), 'foo://a/foo/bar/x');
+		assert.equal(resolvePath('foo://a/foo/bar/', 'x'), 'foo://a/foo/bar/x');
+		assert.equal(resolvePath('foo://a/foo/bar/', '/x'), 'foo://a/x');
+		assert.equal(resolvePath('foo://a/foo/bar/', 'x/'), 'foo://a/foo/bar/x/');
+	});
+
+	test('normalize', async function () {
+		function assertNormalize(path: string, expected: string) {
+			assert.equal(normalizePath(path.split('/')), expected, path);
+		}
+		assertNormalize('a', 'a');
+		assertNormalize('/a', '/a');
+		assertNormalize('a/', 'a/');
+		assertNormalize('a/b', 'a/b');
+		assertNormalize('/a/foo/bar/x', '/a/foo/bar/x');
+		assertNormalize('/a/foo/bar//x', '/a/foo/bar/x');
+		assertNormalize('/a/foo/bar///x', '/a/foo/bar/x');
+		assertNormalize('/a/foo/bar/x/', '/a/foo/bar/x/');
+		assertNormalize('a/foo/bar/x/', 'a/foo/bar/x/');
+		assertNormalize('a/foo/bar/x//', 'a/foo/bar/x/');
+		assertNormalize('//a/foo/bar/x//', '/a/foo/bar/x/');
+		assertNormalize('a/.', 'a');
+		assertNormalize('a/./b', 'a/b');
+		assertNormalize('a/././b', 'a/b');
+		assertNormalize('a/n/../b', 'a/b');
+		assertNormalize('a/n/../', 'a/');
+		assertNormalize('a/n/../', 'a/');
+		assertNormalize('/a/n/../..', '/');
+		assertNormalize('..', '');
+		assertNormalize('/..', '/');
+	});
+});