Merge pull request #1560 from Avaiga/test/Unregisterd

Unit test for unregistered component

frontend/taipy-gui/src/components/Taipy/Unregistered.spec.tsx

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2021-2024 Avaiga Private Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+import { render, screen } from "@testing-library/react";
+import "@testing-library/jest-dom";
+import { renderError, unregisteredRender } from "./Unregistered";
+
+describe("Unregistered component", () => {
+    it('should display "component is not registered" when tagName is provided', () => {
+        render(unregisteredRender("TestComponent"));
+        expect(screen.getByText("Component TestComponent is not registered")).toBeInTheDocument();
+    });
+
+    it("should display error message when tagName is not provided", () => {
+        render(unregisteredRender(undefined, "TestError"));
+        expect(screen.getByText("An Error occurred: TestError")).toBeInTheDocument();
+    });
+
+    it("should display error message when there is an error", () => {
+        render(renderError({ error: "TestError" }));
+        expect(screen.getByText("An Error occurred: TestError")).toBeInTheDocument();
+    });
+});