@uswds/uswds
Version:
Open source UI components and visual style guide for U.S. government websites
34 lines (26 loc) • 941 B
JavaScript
const fs = require("fs");
const assert = require("assert");
const select = require("../select");
const TEMPLATE = fs.readFileSync(`${__dirname}/select.template.html`);
const assertArrayWithLength = (array, length) => {
assert(Array.isArray(array), `not an array: ${typeof array}`);
assert.strictEqual(array.length, length);
};
describe("select", () => {
before(() => {
document.body.innerHTML = TEMPLATE;
});
after(() => {
document.body.innerHTML = "";
});
it("returns an empty array if given a non-string selector", () => {
assertArrayWithLength(select(undefined), 0);
});
it("returns an Array of selected DOM elements", () => {
assertArrayWithLength(select("#id1"), 1);
assertArrayWithLength(select(".firstclass"), 2);
});
it("returns an Array of selected DOM elements in a particular context", () => {
assertArrayWithLength(select(".secondclass", select(".firstclass")), 1);
});
});