element-web/test/components/views/context_menus/ContextMenu-test.tsx

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/*
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 { mount } from "enzyme";
import "../../../skinned-sdk";
import ContextMenu, { ChevronFace } from "../../../../src/components/structures/ContextMenu.tsx";
import UIStore from "../../../../src/stores/UIStore.ts";
describe("<ContextMenu />", () => {
// Hardcode window and menu dimensions
const windowSize = 300;
const menuSize = 200;
jest.spyOn(UIStore, "instance", "get").mockImplementation(() => ({
windowWidth: windowSize,
windowHeight: windowSize,
}));
window.Element.prototype.getBoundingClientRect = jest.fn().mockReturnValue({
width: menuSize,
height: menuSize,
});
const targetChevronOffset = 25;
describe("near top edge of window", () => {
const targetY = -50;
const wrapper = mount(
<ContextMenu
bottom={windowSize - targetY - menuSize}
right={menuSize}
chevronFace={ChevronFace.Left}
chevronOffset={targetChevronOffset}
/>,
);
const chevron = wrapper.find(".mx_ContextualMenu_chevron_left");
const actualY = windowSize - parseInt(wrapper.getDOMNode().style.getPropertyValue("bottom")) - menuSize;
const actualChevronOffset = parseInt(chevron.getDOMNode().style.getPropertyValue("top"));
it("stays within the window", () => {
expect(actualY).toBeGreaterThanOrEqual(0);
});
it("positions the chevron correctly", () => {
expect(actualChevronOffset).toEqual(targetChevronOffset + targetY - actualY);
});
});
describe("near right edge of window", () => {
const targetX = windowSize - menuSize + 50;
const wrapper = mount(
<ContextMenu
bottom={0}
left={targetX}
chevronFace={ChevronFace.Top}
chevronOffset={targetChevronOffset}
/>,
);
const chevron = wrapper.find(".mx_ContextualMenu_chevron_top");
const actualX = parseInt(wrapper.getDOMNode().style.getPropertyValue("left"));
const actualChevronOffset = parseInt(chevron.getDOMNode().style.getPropertyValue("left"));
it("stays within the window", () => {
expect(actualX + menuSize).toBeLessThanOrEqual(windowSize);
});
it("positions the chevron correctly", () => {
expect(actualChevronOffset).toEqual(targetChevronOffset + targetX - actualX);
});
});
describe("near bottom edge of window", () => {
const targetY = windowSize - menuSize + 50;
const wrapper = mount(
<ContextMenu
top={targetY}
left={0}
chevronFace={ChevronFace.Right}
chevronOffset={targetChevronOffset}
/>,
);
const chevron = wrapper.find(".mx_ContextualMenu_chevron_right");
const actualY = parseInt(wrapper.getDOMNode().style.getPropertyValue("top"));
const actualChevronOffset = parseInt(chevron.getDOMNode().style.getPropertyValue("top"));
it("stays within the window", () => {
expect(actualY + menuSize).toBeLessThanOrEqual(windowSize);
});
it("positions the chevron correctly", () => {
expect(actualChevronOffset).toEqual(targetChevronOffset + targetY - actualY);
});
});
describe("near left edge of window", () => {
const targetX = -50;
const wrapper = mount(
<ContextMenu
top={0}
right={windowSize - targetX - menuSize}
chevronFace={ChevronFace.Bottom}
chevronOffset={targetChevronOffset}
/>,
);
const chevron = wrapper.find(".mx_ContextualMenu_chevron_bottom");
const actualX = windowSize - parseInt(wrapper.getDOMNode().style.getPropertyValue("right")) - menuSize;
const actualChevronOffset = parseInt(chevron.getDOMNode().style.getPropertyValue("left"));
it("stays within the window", () => {
expect(actualX).toBeGreaterThanOrEqual(0);
});
it("positions the chevron correctly", () => {
expect(actualChevronOffset).toEqual(targetChevronOffset + targetX - actualX);
});
});
});