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import {promises as fs} from "fs";

import * as path from "path";

import {JSDOM} from "jsdom";

import {html as beautify} from "js-beautify";

import tape from "tape-await";

import * as plots from "./plots/index.js";

(async () => {

for (const [name, plot] of Object.entries(plots)) {

tape(`plot ${name}`, async test => {

try {

// Not recommended, but this is only our test code, so should be fine?

global.document = new JSDOM("").window.document;

// Not fully functional, but only used to fetch data files, so should be fine?

global.fetch = async (href) => new Response(path.resolve("./test", href));

const svg = await plot();

svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns", "http://www.w3.org/2000/svg");

svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink");

const actual = beautify(svg.outerHTML, {indent_size: 2});

const outfile = path.resolve("./test/output", path.basename(name, ".js") + ".svg");

let expected;

try {

expected = await fs.readFile(outfile, "utf8");

} catch (error) {

if (error.code === "ENOENT" && process.env.CI !== "true") {

console.warn(`! generating ${outfile}`);

await fs.writeFile(outfile, actual, "utf8");

return;

} else {

throw error;

}

test.ok(actual === expected, `${name} must match snapshot`);

} finally {

global.document = undefined;

global.fetch = undefined;

}

});

}

})();

class Response {

constructor(href) {

this._href = href;

this.ok = true;

this.status = 200;

}

async text() {

return fs.readFile(this._href, {encoding: "utf-8"});

}

async json() {

return JSON.parse(await this.text());

}

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