describe("<SearchInput />", () => {
- // jest.useFakeTimers() applies to all setTimeout functions
jest.useFakeTimers();
let onSearch: () => void;
const searchInput = mount(<SearchInput selfClearProp="" value="" onSearch={onSearch} />);
searchInput.find("input").simulate("change", { target: { value: "current value" } });
expect(onSearch).not.toBeCalled();
- setTimeout(() => {
- expect(onSearch).toBeCalledWith("current value");
- }, DEFAULT_SEARCH_DEBOUNCE);
+ jest.runTimersToTime(DEFAULT_SEARCH_DEBOUNCE);
+ expect(onSearch).toBeCalledWith("current value");
});
it("calls onSearch after the time specified in props has passed", () => {
const searchInput = mount(<SearchInput selfClearProp="" value="" onSearch={onSearch} debounce={2000}/>);
searchInput.find("input").simulate("change", { target: { value: "current value" } });
+ jest.runTimersToTime(1000);
expect(onSearch).not.toBeCalled();
- setTimeout(() => {
- expect(onSearch).toBeCalledWith("current value");
- }, 1000);
+ jest.runTimersToTime(1000);
+ expect(onSearch).toBeCalledWith("current value");
});
it("calls onSearch only once after no change happened during the specified time", () => {
const searchInput = mount(<SearchInput selfClearProp="" value="" onSearch={onSearch} debounce={1000}/>);
searchInput.find("input").simulate("change", { target: { value: "current value" } });
- setTimeout(() => {
- searchInput.find("input").simulate("change", { target: { value: "changed value" } });
- }, 500);
- setTimeout(() => {
- expect(onSearch).toHaveBeenCalledTimes(1);
- }, 1000);
+ jest.runTimersToTime(500);
+ searchInput.find("input").simulate("change", { target: { value: "changed value" } });
+ jest.runTimersToTime(1000);
+ expect(onSearch).toHaveBeenCalledTimes(1);
});
it("calls onSearch again after the specified time has passed since previous call", () => {
const searchInput = mount(<SearchInput selfClearProp="" value="" onSearch={onSearch} debounce={1000}/>);
searchInput.find("input").simulate("change", { target: { value: "current value" } });
- setTimeout(() => {
- searchInput.find("input").simulate("change", { target: { value: "intermediate value" } });
- }, 500);
- setTimeout(() => {
- expect(onSearch).toBeCalledWith("intermediate value");
- }, 1000);
+ jest.runTimersToTime(500);
+ searchInput.find("input").simulate("change", { target: { value: "intermediate value" } });
+ jest.runTimersToTime(1000);
+ expect(onSearch).toBeCalledWith("intermediate value");
searchInput.find("input").simulate("change", { target: { value: "latest value" } });
- setTimeout(() => {
- expect(onSearch).toBeCalledWith("latest value");
- expect(onSearch).toHaveBeenCalledTimes(2);
- }, 1000);
+ jest.runTimersToTime(1000);
+ expect(onSearch).toBeCalledWith("latest value");
+ expect(onSearch).toHaveBeenCalledTimes(2);
});
const searchInput = mount(<SearchInput selfClearProp="abc" value="123" onSearch={onSearch} debounce={1000}/>);
// component should clear value upon creation
- setTimeout(() => {
- expect(onSearch).toBeCalledWith("");
- expect(onSearch).toHaveBeenCalledTimes(1);
- }, 1000);
+ jest.runTimersToTime(1000);
+ expect(onSearch).toBeCalledWith("");
+ expect(onSearch).toHaveBeenCalledTimes(1);
// component should not clear on same selfClearProp
searchInput.setProps({ selfClearProp: 'abc' });
- setTimeout(() => {
- expect(onSearch).toHaveBeenCalledTimes(1);
- }, 1000);
+ jest.runTimersToTime(1000);
+ expect(onSearch).toHaveBeenCalledTimes(1);
// component should clear on selfClearProp change
searchInput.setProps({ selfClearProp: '111' });
- setTimeout(() => {
- expect(onSearch).toBeCalledWith("");
- expect(onSearch).toHaveBeenCalledTimes(2);
- }, 1000);
+ jest.runTimersToTime(1000);
+ expect(onSearch).toBeCalledWith("");
+ expect(onSearch).toHaveBeenCalledTimes(2);
});
});
});