53 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
| /*
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| Copyright 2021 The Matrix.org Foundation C.I.C.
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| 
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| Licensed under the Apache License, Version 2.0 (the "License");
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| you may not use this file except in compliance with the License.
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| You may obtain a copy of the License at
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| 
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|     http://www.apache.org/licenses/LICENSE-2.0
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| 
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| Unless required by applicable law or agreed to in writing, software
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| distributed under the License is distributed on an "AS IS" BASIS,
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| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| See the License for the specific language governing permissions and
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| limitations under the License.
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| */
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| 
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| import React from "react";
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| import { fireEvent, render, waitFor } from "@testing-library/react";
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| 
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| import * as TestUtils from "../../../test-utils";
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| import FontScalingPanel from "../../../../src/components/views/settings/FontScalingPanel";
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| import SettingsStore from "../../../../src/settings/SettingsStore";
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| 
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| // Fake random strings to give a predictable snapshot
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| jest.mock("matrix-js-sdk/src/randomstring", () => {
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|     return {
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|         randomString: () => "abdefghi",
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|     };
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| });
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| 
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| describe("FontScalingPanel", () => {
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|     it("renders the font scaling UI", () => {
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|         TestUtils.stubClient();
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|         const { asFragment } = render(<FontScalingPanel />);
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|         expect(asFragment()).toMatchSnapshot();
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|     });
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| 
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|     it("should clamp custom font size when disabling it", async () => {
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|         jest.spyOn(SettingsStore, "setValue").mockResolvedValue(undefined);
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|         TestUtils.stubClient();
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|         const { container, getByText } = render(<FontScalingPanel />);
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|         fireEvent.click(getByText("Use custom size"));
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|         await waitFor(() => {
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|             expect(container.querySelector("input[checked]")).toBeDefined();
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|         });
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|         fireEvent.change(container.querySelector("#font_size_field")!, { target: { value: "25" } });
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|         fireEvent.click(getByText("Use custom size"));
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|         await waitFor(() => {
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|             expect(container.querySelector("#font_size_field")).toHaveValue(21);
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|         });
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|     });
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| });
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