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import React from "react";
import SimpleSlider from "../SimpleSlider";
import { render, fireEvent, waitFor, screen } from "@testing-library/react";
import { html as beautify_html } from "js-beautify";
import {
getActiveSlide,
clickNext,
clickPrevious,
hasClass,
getActiveSlides,
getActiveSlidesCount,
getActiveSlidesText,
getButtons,
getButtonsListItem,
getCurrentSlide
} from "../../test-utils";
describe("SimpleSlider example", () => {
it("should have 13 slides (1(preclone) + 6(actual) + 6(postclone))", function() {
const { container } = render(<SimpleSlider a={5} />);
expect(container.getElementsByClassName("slick-slide").length).toBe(13);
});
it("should have 7 clone slides", function() {
const { container } = render(<SimpleSlider />);
expect(container.getElementsByClassName("slick-cloned").length).toBe(7);
});
it("should have 1 current slide", function() {
const { container } = render(<SimpleSlider />);
expect(
container.querySelectorAll(".slick-slide.slick-current").length
).toBe(1);
expect(parseInt(getCurrentSlide(container).textContent) - 1).toBe(0);
});
it("should have 1 active slide", function() {
const { container } = render(<SimpleSlider />);
expect(container.querySelectorAll(".slick-slide.slick-active").length).toBe(
1
);
expect(
Array.from(getActiveSlide(container).children).map(
e => parseInt(e.textContent) - 1
)[0]
).toBe(0);
});
it("should have 6 dots", function() {
const { container } = render(<SimpleSlider />);
expect(
container.getElementsByClassName("slick-dots")[0].children.length
).toBe(6);
});
it("should have 1 active dot", function() {
const { container } = render(<SimpleSlider />);
expect(container.querySelectorAll(".slick-dots .slick-active").length).toBe(
1
);
});
it("should have a prev arrow", function() {
const { container } = render(<SimpleSlider />);
expect(container.getElementsByClassName("slick-prev").length).toBe(1);
});
it("should have a next arrow", function() {
const { container } = render(<SimpleSlider />);
expect(container.getElementsByClassName("slick-next").length).toBe(1);
});
it("should got to next slide when next button is clicked", function() {
const { container } = render(<SimpleSlider />);
clickNext(container);
expect(
container.querySelectorAll(".slick-slide.slick-active")[0].textContent
).toBe("2");
expect(container.querySelectorAll(".slick-dots .slick-active").length).toBe(
1
);
expect(
container.querySelectorAll(".slick-dots")[0].children[1]
).toHaveClass("slick-active");
});
it("should goto previous slide when prev button is clicked", function() {
const { container } = render(<SimpleSlider />);
clickPrevious(container);
expect(
container.querySelectorAll(".slick-slide.slick-active")[0].textContent
).toBe("6");
expect(container.querySelectorAll(".slick-dots .slick-active").length).toBe(
1
);
expect(
container.querySelectorAll(".slick-dots")[0].children[5]
).toHaveClass("slick-active");
});
it("should goto 4th slide when 4th dot is clicked", function() {
const { container } = render(<SimpleSlider />);
fireEvent(
container.querySelectorAll(".slick-dots button")[3],
new MouseEvent("click", {
bubbles: true,
cancelable: true
})
);
expect(getActiveSlidesText(container)[0]).toEqual("4");
expect(getActiveSlidesCount(container)).toEqual(1);
expect(hasClass(getButtonsListItem(container)[3], "slick-active")).toEqual(
true
);
});
});
describe("Simple Slider Snapshots", function() {
it("slider initial state", function() {
const { container } = render(<SimpleSlider />);
// expect(beautify_html(toString(container))).toMatchSnapshot();
});
it("click on next button", function() {
const { container } = render(<SimpleSlider />);
clickNext(container);
//expect(beautify_html(toString(container))).toMatchSnapshot();
});
it("click on prev button", function() {
const { container } = render(<SimpleSlider />);
clickPrevious(container);
// expect(beautify_html(toString(container))).toMatchSnapshot();
});
it("click on 3rd dot", function() {
const { container } = render(<SimpleSlider />);
fireEvent(
getButtons(container)[2],
new MouseEvent("click", {
bubbles: true,
cancelable: true
})
);
// expect(beautify_html(toString(container))).toMatchSnapshot();
});
});
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