Add test

packages/docusaurus-theme-classic/src/__tests__/utils.test.js

@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {isSamePath} from '../utils';
+
+describe('isSamePath', () => {
+  test('should be true for compared path without trailing slash', () => {
+    expect(isSamePath('/docs', '/docs')).toBeTruthy();
+  });
+
+  test('should be true for compared path with trailing slash', () => {
+    expect(isSamePath('/docs', '/docs')).toBeTruthy();
+  });
+
+  test('should be false for compared path with double trailing slash', () => {
+    expect(isSamePath('/docs', '/docs//')).toBeFalsy();
+  });
+});