src/components/search-bar/search-bar.test.tsx

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 import * as React from "react";
   6 import { mount, configure } from "enzyme";
   7 import SearchBar, { DEFAULT_SEARCH_DEBOUNCE } from "./search-bar";
   8
   9 import * as Adapter from 'enzyme-adapter-react-16';
  10
  11 configure({ adapter: new Adapter() });
  12
  13 describe("<SearchBar />", () => {
  14
  15     jest.useFakeTimers();
  16
  17     let onSearch: () => void;
  18
  19     beforeEach(() => {
  20         onSearch = jest.fn();
  21     });
  22
  23     describe("on submit", () => {
  24         it("calls onSearch with initial value passed via props", () => {
  25             const searchBar = mount(<SearchBar value="initial value" onSearch={onSearch} />);
  26             searchBar.find("form").simulate("submit");
  27             expect(onSearch).toBeCalledWith("initial value");
  28         });
  29
  30         it("calls onSearch with current value", () => {
  31             const searchBar = mount(<SearchBar value="" onSearch={onSearch} />);
  32             searchBar.find("input").simulate("change", { target: { value: "current value" } });
  33             searchBar.find("form").simulate("submit");
  34             expect(onSearch).toBeCalledWith("current value");
  35         });
  36
  37         it("calls onSearch with new value passed via props", () => {
  38             const searchBar = mount(<SearchBar value="" onSearch={onSearch} />);
  39             searchBar.find("input").simulate("change", { target: { value: "current value" } });
  40             searchBar.setProps({value: "new value"});
  41             searchBar.find("form").simulate("submit");
  42             expect(onSearch).toBeCalledWith("new value");
  43         });
  44
  45         it("cancels timeout set on input value change", () => {
  46             const searchBar = mount(<SearchBar value="" onSearch={onSearch} debounce={1000} />);
  47             searchBar.find("input").simulate("change", { target: { value: "current value" } });
  48             searchBar.find("form").simulate("submit");
  49             jest.advanceTimersByTime(1000);
  50             expect(onSearch).toHaveBeenCalledTimes(1);
  51             expect(onSearch).toBeCalledWith("current value");
  52         });
  53
  54     });
  55
  56     describe("on input value change", () => {
  57         it("calls onSearch after default timeout", () => {
  58             const searchBar = mount(<SearchBar value="" onSearch={onSearch} />);
  59             searchBar.find("input").simulate("change", { target: { value: "current value" } });
  60             expect(onSearch).not.toBeCalled();
  61             jest.advanceTimersByTime(DEFAULT_SEARCH_DEBOUNCE);
  62             expect(onSearch).toBeCalledWith("current value");
  63         });
  64
  65         it("calls onSearch after the time specified in props has passed", () => {
  66             const searchBar = mount(<SearchBar value="" onSearch={onSearch} debounce={2000}/>);
  67             searchBar.find("input").simulate("change", { target: { value: "current value" } });
  68             jest.advanceTimersByTime(1000);
  69             expect(onSearch).not.toBeCalled();
  70             jest.advanceTimersByTime(1000);
  71             expect(onSearch).toBeCalledWith("current value");
  72         });
  73
  74         it("calls onSearch only once after no change happened during the specified time", () => {
  75             const searchBar = mount(<SearchBar value="" onSearch={onSearch} debounce={1000}/>);
  76             searchBar.find("input").simulate("change", { target: { value: "current value" } });
  77             jest.advanceTimersByTime(500);
  78             searchBar.find("input").simulate("change", { target: { value: "changed value" } });
  79             jest.advanceTimersByTime(1000);
  80             expect(onSearch).toHaveBeenCalledTimes(1);
  81         });
  82
  83         it("calls onSearch again after the specified time has passed since previous call", () => {
  84             const searchBar = mount(<SearchBar value="" onSearch={onSearch} debounce={1000}/>);
  85             searchBar.find("input").simulate("change", { target: { value: "current value" } });
  86             jest.advanceTimersByTime(500);
  87             searchBar.find("input").simulate("change", { target: { value: "intermediate value" } });
  88             jest.advanceTimersByTime(1000);
  89             expect(onSearch).toBeCalledWith("intermediate value");
  90             searchBar.find("input").simulate("change", { target: { value: "latest value" } });
  91             jest.advanceTimersByTime(1000);
  92             expect(onSearch).toBeCalledWith("latest value");
  93             expect(onSearch).toHaveBeenCalledTimes(2);
  94
  95         });
  96
  97     });
  98
  99 });