// @ts-nocheck
import { waitForCondition } from "./../../../test/TestUtils";
import TestConsts from "./../../../test/TestConsts";
import TreemapSettings from "./../TreemapSettings";
import { JSDOM } from "jsdom";
import Treemap from "./../Treemap";
import DataNode from "./../../../DataNode";
const puppeteer = require("puppeteer");
const taxonomyObject = require("./resources/taxonomy.json");
describe("Treemap", () => {
let browser: any;
function createJSDom() {
const dom = new JSDOM("", {
beforeParse(window: any) {
window.Element.prototype.getComputedTextLength = function() {
return 20
}
}
});
return dom;
}
async function createTreemap(jsDom: JSDOM, settings: TreemapSettings): Promise {
const element = jsDom.window.document.getElementById("visualization")!;
settings["width"] = 800;
settings["height"] = 800;
const treemap = new Treemap(element, taxonomyObject, settings);
await waitForCondition(() => element.getElementsByClassName("node").length > 0, 2000, 500);
return treemap;
}
async function makeScreenshot(jsDom: JSDOM): Promise {
const page = await browser.newPage();
page.setViewport({
width: 1000,
height: 1000
});
// Render image and capture screenshot
await page.setContent(jsDom.serialize());
return page.screenshot();
}
beforeAll(async() => {
browser = await puppeteer.launch();
});
it("should render a treemap with default settings", async() => {
const jsDom = createJSDom();
const treemap = await createTreemap(jsDom, {});
const image = await makeScreenshot(jsDom);
expect(image).toMatchImageSnapshot(TestConsts.resolveImageSnapshotFolder(__filename));
});
it("should trigger a custom callback when a node is clicked in the visualization", async() => {
const jsDom = createJSDom();
let nodeFromCallback: DataNode | null = null;
const treemap = await createTreemap(jsDom, {
rerootCallback: (d: DataNode) => nodeFromCallback = d
});
expect(nodeFromCallback.name).toEqual("root");
// new Event("click") does apparently not work in combination with Jest and JSDOM
const event = jsDom.window.document.createEvent("CustomEvent");
event.initEvent("click", true, true);
const oldSerializedHtml = jsDom.serialize();
jsDom.window.document.getElementsByClassName("node").item(1).dispatchEvent(event);
await waitForCondition(() => oldSerializedHtml !== jsDom.serialize(), 2000, 500);
expect(nodeFromCallback.name).toEqual("Bacteria");
});
afterAll(async() => {
await browser.close();
});
});