Move from browser-request to fetch (#9345)

test/components/views/context_menus/EmbeddedPage-test.tsx

@@ -0,0 +1,58 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+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 React from "react";
+import fetchMock from "fetch-mock-jest";
+import { render, screen } from "@testing-library/react";
+import { mocked } from "jest-mock";
+
+import { _t } from "../../../../src/languageHandler";
+import EmbeddedPage from "../../../../src/components/structures/EmbeddedPage";
+
+jest.mock("../../../../src/languageHandler", () => ({
+    _t: jest.fn(),
+}));
+
+describe("<EmbeddedPage />", () => {
+    it("should translate _t strings", async () => {
+        mocked(_t).mockReturnValue("Przeglądaj pokoje");
+        fetchMock.get("https://home.page", {
+            body: '<h1>_t("Explore rooms")</h1>',
+        });
+
+        const { asFragment } = render(<EmbeddedPage url="https://home.page" />);
+        await screen.findByText("Przeglądaj pokoje");
+        expect(_t).toHaveBeenCalledWith("Explore rooms");
+        expect(asFragment()).toMatchSnapshot();
+    });
+
+    it("should show error if unable to load", async () => {
+        mocked(_t).mockReturnValue("Couldn't load page");
+        fetchMock.get("https://other.page", {
+            status: 404,
+        });
+
+        const { asFragment } = render(<EmbeddedPage url="https://other.page" />);
+        await screen.findByText("Couldn't load page");
+        expect(_t).toHaveBeenCalledWith("Couldn't load page");
+        expect(asFragment()).toMatchSnapshot();
+    });
+
+    it("should render nothing if no url given", () => {
+        const { asFragment } = render(<EmbeddedPage />);
+        expect(asFragment()).toMatchSnapshot();
+    });
+});