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SelectWidget.test.tsx
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SelectWidget.test.tsx
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/*
* Copyright (C) 2024 PixieBrix, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { render, screen } from "@testing-library/react";
import React from "react";
import selectEvent from "react-select-event";
import SelectWidget, { type Option } from "./SelectWidget";
import { type GroupBase } from "react-select";
import { waitForEffect } from "@/testUtils/testHelpers";
describe("options", () => {
const options: Option[] = [
{
label: "Test label 1",
value: "value1",
},
{
label: "Test label 2",
value: "value2",
},
];
test("renders value", () => {
const name = "Name for Test";
const selectedOption = options[1]!;
const { asFragment } = render(
<SelectWidget
id="idForTest"
name={name}
options={options}
value={selectedOption.value}
onChange={jest.fn()}
/>,
);
expect(asFragment()).toMatchSnapshot();
expect(screen.getByText(selectedOption.label)).toBeInTheDocument();
// eslint-disable-next-line testing-library/no-node-access -- react-select works via hidden input element that can't be accessed via getByRole
const hiddenInput = document.querySelector("input[type=hidden]");
expect(hiddenInput).toHaveAttribute("name", name);
expect(hiddenInput).toHaveAttribute("value", selectedOption.value);
});
test("calls onChange", async () => {
const id = "idForTest";
const name = "Name for Test";
const onChangeMock = jest.fn();
const selectedOption = options[1]!;
render(
<SelectWidget
id={id}
name={name}
options={options}
value={selectedOption.value}
onChange={onChangeMock}
/>,
);
const optionToSelect = options[0]!;
await selectEvent.select(
screen.getByRole("combobox"),
optionToSelect.label,
);
expect(onChangeMock).toHaveBeenCalledWith({
target: {
options,
value: optionToSelect.value,
name,
},
});
});
});
describe("grouped options", () => {
const groupedOptions: Array<GroupBase<Option>> = [
{
label: "Group 1",
options: [
{
label: "Group 1 label 1",
value: "group1value1",
},
{
label: "Group1 label 2",
value: "group1value2",
},
],
},
{
label: "Group 2",
options: [
{
label: "Group 2 label 1",
value: "group2value1",
},
{
label: "Group 2 label 2",
value: "group2value2",
},
],
},
];
test("renders grouped options", async () => {
const name = "Test field";
const selectedOption = groupedOptions[1]!.options[0]!;
render(
<SelectWidget
id="testField"
name={name}
options={groupedOptions}
value={selectedOption.value}
onChange={jest.fn()}
/>,
);
await waitForEffect();
expect(screen.getByText(selectedOption.label)).toBeInTheDocument();
// eslint-disable-next-line testing-library/no-node-access -- react-select works via hidden input element that can't be accessed via getByRole
const hiddenInput = document.querySelector("input[type=hidden]");
expect(hiddenInput).toHaveAttribute("name", name);
expect(hiddenInput).toHaveAttribute("value", selectedOption.value);
});
test("calls onChange", async () => {
const id = "idForTest";
const name = "Name for Test";
const onChangeMock = jest.fn();
const selectedOption = groupedOptions[1]!.options[0]!;
render(
<SelectWidget
id={id}
name={name}
options={groupedOptions}
value={selectedOption.value}
onChange={onChangeMock}
/>,
);
const optionToSelect = groupedOptions[0]!.options[1]!;
await selectEvent.select(
screen.getByRole("combobox"),
optionToSelect.label,
);
expect(onChangeMock).toHaveBeenCalledWith({
target: {
options: groupedOptions,
value: optionToSelect.value,
name,
},
});
});
});