50 lines
1.9 KiB
TypeScript
50 lines
1.9 KiB
TypeScript
import { describe, it, expect, beforeEach } from "vitest";
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import { PettySelect } from "../src/components/select/index";
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import { h } from "./helpers";
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describe("petty-select", () => {
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let el: PettySelect;
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beforeEach(() => {
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document.body.textContent = "";
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el = document.createElement("petty-select") as PettySelect;
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el.setAttribute("default-value", "apple");
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const trigger = h("button", { "data-part": "trigger" }, "Pick a fruit");
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const opt1 = h("petty-select-option", { value: "apple" }, "Apple");
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const opt2 = h("petty-select-option", { value: "banana" }, "Banana");
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const listbox = h("div", { id: "fruit-list", popover: "", "data-part": "listbox", role: "listbox" }, opt1, opt2);
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const hidden = h("input", { type: "hidden", name: "fruit" });
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el.appendChild(trigger);
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el.appendChild(listbox);
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el.appendChild(hidden);
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document.body.appendChild(el);
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});
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it("registers the custom elements", () => {
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expect(customElements.get("petty-select")).toBe(PettySelect);
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expect(customElements.get("petty-select-option")).toBeDefined();
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});
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it("initializes with default-value", () => {
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expect(el.value).toBe("apple");
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});
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it("sets aria-haspopup on trigger", () => {
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const trigger = el.querySelector("[data-part=trigger]")!;
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expect(trigger.getAttribute("aria-haspopup")).toBe("listbox");
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expect(trigger.getAttribute("aria-expanded")).toBe("false");
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});
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it("syncs hidden input value", () => {
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const input = el.querySelector("input[type=hidden]") as HTMLInputElement;
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expect(input.value).toBe("apple");
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});
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it("marks selected option with aria-selected true", () => {
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const apple = el.querySelector("[value=apple]")!;
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const banana = el.querySelector("[value=banana]")!;
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expect(apple.getAttribute("aria-selected")).toBe("true");
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expect(banana.getAttribute("aria-selected")).toBe("false");
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});
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});
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