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Improve Search onChange signature #177

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return React.ChangeEvent<HTMLInputElement> in onChange definition to …
langleyd Jun 5, 2024
73ec7ac
Merge branch 'main' into langleyd/search_change_event
langleyd Jun 5, 2024
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35 changes: 32 additions & 3 deletions src/components/Search/Search.test.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -14,14 +14,25 @@ See the License for the specific language governing permissions and
limitations under the License.
*/

import { describe, it, expect } from "vitest";
import { render } from "@testing-library/react";
import React from "react";
import { describe, it, expect, vi } from "vitest";
import { act, render, screen } from "@testing-library/react";
import React, { ChangeEvent } from "react";
import { userEvent } from "@storybook/test";

import { Search } from "./Search";
import { Form } from "@radix-ui/react-form";

type SearchTestProps = {
onChange?: (e: ChangeEvent) => void;
};

describe("Search", () => {
const SearchTest = (props: SearchTestProps) => (
<Form>
<Search name="search" onChange={props.onChange ?? (() => {})} />
</Form>
);

it("renders", () => {
const { asFragment } = render(
<Form>
Expand All @@ -30,4 +41,22 @@ describe("Search", () => {
);
expect(asFragment()).toMatchSnapshot();
});

it("calls onChange when text edited", async () => {
let value;
const onChange = vi
.fn()
.mockImplementation((e: ChangeEvent<HTMLInputElement>) => {
value = e.target.value;
});
render(<SearchTest onChange={onChange} />);
const query = "my query";
await act(async () => {
const input = screen.getByRole("searchbox");
await userEvent.type(input, query);
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As far as I understand, the user-event library handles this so it doesn't need to be wrapped in an act(). At least, user-event's examples don't use act(): https://testing-library.com/docs/user-event/intro/#writing-tests-with-userevent

});

expect(onChange).toHaveBeenCalled();
expect(value).toEqual(query);
});
});
2 changes: 1 addition & 1 deletion src/components/Search/Search.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ type SearchProps = {
/**
* Event handler called when the search changes.
*/
onChange?: (e: React.ChangeEvent) => void;
onChange?: (e: React.ChangeEvent<HTMLInputElement>) => void;
};

/**
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