+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+import * as React from "react";
+import { mount, configure } from "enzyme";
+import SearchBar, { DEFAULT_SEARCH_DEBOUNCE } from "./search-bar";
+
+import * as Adapter from 'enzyme-adapter-react-16';
+
+configure({ adapter: new Adapter() });
+
+describe("<SearchBar />", () => {
+
+ jest.useFakeTimers();
+
+ let onSearch: () => void;
+
+ beforeEach(() => {
+ onSearch = jest.fn();
+ });
+
+ describe("on submit", () => {
+ it("calls onSearch with initial value passed via props", () => {
+ const searchBar = mount(<SearchBar value="initial value" onSearch={onSearch} />);
+ searchBar.find("form").simulate("submit");
+ expect(onSearch).toBeCalledWith("initial value");
+ });
+
+ it("calls onSearch with current value", () => {
+ const searchBar = mount(<SearchBar value="" onSearch={onSearch} />);
+ searchBar.find("input").simulate("change", { target: { value: "current value" } });
+ searchBar.find("form").simulate("submit");
+ expect(onSearch).toBeCalledWith("current value");
+ });
+
+ it("calls onSearch with new value passed via props", () => {
+ const searchBar = mount(<SearchBar value="" onSearch={onSearch} />);
+ searchBar.find("input").simulate("change", { target: { value: "current value" } });
+ searchBar.setProps({value: "new value"});
+ searchBar.find("form").simulate("submit");
+ expect(onSearch).toBeCalledWith("new value");
+ });
+
+ it("cancels timeout set on input value change", () => {
+ const searchBar = mount(<SearchBar value="" onSearch={onSearch} debounce={1000} />);
+ searchBar.find("input").simulate("change", { target: { value: "current value" } });
+ searchBar.find("form").simulate("submit");
+ jest.advanceTimersByTime(1000);
+ expect(onSearch).toHaveBeenCalledTimes(1);
+ expect(onSearch).toBeCalledWith("current value");
+ });
+
+ });
+
+ describe("on input value change", () => {
+ it("calls onSearch after default timeout", () => {
+ const searchBar = mount(<SearchBar value="" onSearch={onSearch} />);
+ searchBar.find("input").simulate("change", { target: { value: "current value" } });
+ expect(onSearch).not.toBeCalled();
+ jest.advanceTimersByTime(DEFAULT_SEARCH_DEBOUNCE);
+ expect(onSearch).toBeCalledWith("current value");
+ });
+
+ it("calls onSearch after the time specified in props has passed", () => {
+ const searchBar = mount(<SearchBar value="" onSearch={onSearch} debounce={2000}/>);
+ searchBar.find("input").simulate("change", { target: { value: "current value" } });
+ jest.advanceTimersByTime(1000);
+ expect(onSearch).not.toBeCalled();
+ jest.advanceTimersByTime(1000);
+ expect(onSearch).toBeCalledWith("current value");
+ });
+
+ it("calls onSearch only once after no change happened during the specified time", () => {
+ const searchBar = mount(<SearchBar value="" onSearch={onSearch} debounce={1000}/>);
+ searchBar.find("input").simulate("change", { target: { value: "current value" } });
+ jest.advanceTimersByTime(500);
+ searchBar.find("input").simulate("change", { target: { value: "changed value" } });
+ jest.advanceTimersByTime(1000);
+ expect(onSearch).toHaveBeenCalledTimes(1);
+ });
+
+ it("calls onSearch again after the specified time has passed since previous call", () => {
+ const searchBar = mount(<SearchBar value="" onSearch={onSearch} debounce={1000}/>);
+ searchBar.find("input").simulate("change", { target: { value: "current value" } });
+ jest.advanceTimersByTime(500);
+ searchBar.find("input").simulate("change", { target: { value: "intermediate value" } });
+ jest.advanceTimersByTime(1000);
+ expect(onSearch).toBeCalledWith("intermediate value")
+ searchBar.find("input").simulate("change", { target: { value: "latest value" } });
+ jest.advanceTimersByTime(1000);
+ expect(onSearch).toBeCalledWith("latest value")
+ expect(onSearch).toHaveBeenCalledTimes(2);
+
+ });
+
+ });
+
+});
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