carbon-components-svelte/tests/OverflowMenu/OverflowMenu.test.ts

290 lines
9.1 KiB
TypeScript

import { render, screen } from "@testing-library/svelte";
import { user } from "../setup-tests";
import OverflowMenu from "./OverflowMenu.test.svelte";
describe("OverflowMenu", () => {
it("renders and functions correctly", async () => {
render(OverflowMenu);
const menuButton = screen.getByRole("button");
expect(menuButton).toHaveAttribute("aria-haspopup", "true");
expect(menuButton).toHaveAttribute("aria-expanded", "false");
await user.click(menuButton);
expect(menuButton).toHaveAttribute("aria-expanded", "true");
const menuItems = screen.getAllByRole("menuitem");
expect(menuItems).toHaveLength(3);
expect(menuItems[0]).toHaveFocus();
expect(menuItems[0]).toHaveTextContent("Manage credentials");
expect(menuItems[1]).toHaveTextContent("API documentation");
expect(menuItems[2]).toHaveTextContent("Delete service");
expect(menuItems[1]).toHaveAttribute(
"href",
"https://cloud.ibm.com/docs/api-gateway/",
);
expect(menuItems[2].parentElement).toHaveClass(
"bx--overflow-menu-options__option--danger",
);
const spy = vi.spyOn(console, "log");
await user.click(menuItems[0]);
expect(spy).toHaveBeenCalledWith("click", "Manage credentials");
expect(menuButton).toHaveAttribute("aria-expanded", "false");
expect(spy).toHaveBeenCalledWith("close", {
index: 0,
text: "Manage credentials",
});
});
it("handles keyboard navigation", async () => {
render(OverflowMenu);
const spy = vi.spyOn(console, "log");
const menuButton = screen.getByRole("button");
await user.click(menuButton);
expect(menuButton).toHaveAttribute("aria-expanded", "true");
let menuItems = screen.getAllByRole("menuitem");
expect(menuItems[0]).toHaveFocus();
await user.keyboard("{ArrowDown}");
expect(menuItems[1]).toHaveFocus();
await user.keyboard("{Enter}");
expect(spy).toHaveBeenCalledWith("click", "API documentation");
await user.click(menuButton);
menuItems = screen.getAllByRole("menuitem");
expect(menuItems[0]).toHaveFocus();
await user.keyboard("{ArrowUp}");
expect(menuItems[2]).toHaveFocus();
await user.keyboard("{Escape}");
expect(menuButton).toHaveAttribute("aria-expanded", "false");
expect(spy).toHaveBeenCalledWith("close", null);
});
it("closes when clicking outside", async () => {
render(OverflowMenu);
const menuButton = screen.getByRole("button");
await user.click(menuButton);
expect(menuButton).toHaveAttribute("aria-expanded", "true");
await user.click(document.body);
expect(menuButton).toHaveAttribute("aria-expanded", "false");
});
it("uses CSS custom properties for performance optimization", async () => {
const { container } = render(OverflowMenu);
const styleTags = document.querySelectorAll("style");
const initialStyleCount = styleTags.length;
expect(styleTags.length).toBe(initialStyleCount);
await user.click(screen.getByRole("button"));
expect(container.querySelector(".bx--overflow-menu-options")).toHaveStyle(
"--overflow-menu-options-after-width: 2rem",
);
expect(styleTags.length).toBe(initialStyleCount);
});
it("stress test: multiple instances don't create individual style tags", async () => {
const { container: container1 } = render(OverflowMenu);
const { container: container2 } = render(OverflowMenu);
const { container: container3 } = render(OverflowMenu);
const styleTagsBefore = document.querySelectorAll("style").length;
const menuButtons1 = container1.querySelectorAll("button");
const menuButtons2 = container2.querySelectorAll("button");
const menuButtons3 = container3.querySelectorAll("button");
await user.click(menuButtons1[0]);
await user.click(menuButtons2[0]);
await user.click(menuButtons3[0]);
const styleTagsAfter = document.querySelectorAll("style").length;
// Verify no additional style tags created (old approach would create 3+)
expect(styleTagsAfter).toBe(styleTagsBefore);
// Verify all menus have CSS custom property set.
const allMenus = [
...container1.querySelectorAll(".bx--overflow-menu-options"),
...container2.querySelectorAll(".bx--overflow-menu-options"),
...container3.querySelectorAll(".bx--overflow-menu-options"),
];
expect(allMenus.length).toBeGreaterThan(0);
allMenus.forEach((menu) => {
expect(menu).toHaveStyle("--overflow-menu-options-after-width: 2rem");
});
});
test.each([
["sm", "bx--overflow-menu--sm"],
["xl", "bx--overflow-menu--xl"],
] as const)("should support %s size", (size, expectedClass) => {
render(OverflowMenu, { props: { size } });
const menuButton = screen.getByRole("button");
expect(menuButton).toHaveClass(expectedClass);
});
it("should not apply size classes when size is undefined", () => {
render(OverflowMenu, { props: { size: undefined } });
const menuButton = screen.getByRole("button");
expect(menuButton).not.toHaveClass("bx--overflow-menu--sm");
expect(menuButton).not.toHaveClass("bx--overflow-menu--xl");
});
it("applies light variant styling", () => {
render(OverflowMenu, { props: { light: true } });
const menuButton = screen.getByRole("button");
expect(menuButton).toHaveClass("bx--overflow-menu--light");
});
it("applies flipped styling", async () => {
render(OverflowMenu, { props: { flipped: true } });
const menuButton = screen.getByRole("button");
await user.click(menuButton);
const menu = screen.getByRole("menu");
expect(menu).toHaveClass("bx--overflow-menu--flip");
});
it("applies direction attribute", async () => {
render(OverflowMenu, { props: { direction: "top" } });
const menuButton = screen.getByRole("button");
await user.click(menuButton);
const menu = screen.getByRole("menu");
expect(menu).toHaveAttribute("data-floating-menu-direction", "top");
});
it("applies custom menu options class", async () => {
render(OverflowMenu, { props: { menuOptionsClass: "custom-class" } });
const menuButton = screen.getByRole("button");
await user.click(menuButton);
const menu = screen.getByRole("menu");
expect(menu).toHaveClass("custom-class");
});
it("applies custom icon class", () => {
render(OverflowMenu, { props: { iconClass: "custom-icon-class" } });
const icon = screen.getByRole("button").querySelector("svg");
expect(icon).toHaveClass("custom-icon-class");
});
it("uses custom icon description", () => {
render(OverflowMenu, { props: { iconDescription: "Custom description" } });
const icon = screen.getByRole("button").querySelector("svg");
expect(icon).toHaveAttribute("aria-label", "Custom description");
});
it("uses custom id", () => {
render(OverflowMenu, { props: { id: "custom-id" } });
const menuButton = screen.getByRole("button");
expect(menuButton).toHaveAttribute("id", "custom-id");
});
it("applies danger styling to menu items", async () => {
render(OverflowMenu);
const menuButton = screen.getByRole("button");
await user.click(menuButton);
const menuItems = screen.getAllByRole("menuitem");
const dangerItem = menuItems.find(
(item) => item.textContent === "Delete service",
);
expect(dangerItem?.parentElement).toHaveClass(
"bx--overflow-menu-options__option--danger",
);
});
it("handles link menu items correctly", async () => {
render(OverflowMenu);
const menuButton = screen.getByRole("button");
await user.click(menuButton);
const menuItems = screen.getAllByRole("menuitem");
const linkItem = menuItems.find(
(item) => item.textContent === "API documentation",
);
expect(linkItem).toHaveAttribute(
"href",
"https://cloud.ibm.com/docs/api-gateway/",
);
});
it("returns focus to button after menu closes", async () => {
render(OverflowMenu);
const menuButton = screen.getByRole("button");
await user.click(menuButton);
const menuItems = screen.getAllByRole("menuitem");
expect(menuItems[0]).toHaveFocus();
await user.keyboard("{Escape}");
expect(menuButton).toHaveFocus();
});
it("handles close event with item click", async () => {
render(OverflowMenu);
const spy = vi.spyOn(console, "log");
const menuButton = screen.getByRole("button");
await user.click(menuButton);
const menuItems = screen.getAllByRole("menuitem");
await user.click(menuItems[0]);
expect(spy).toHaveBeenCalledWith("close", {
index: 0,
text: "Manage credentials",
});
});
it("handles close event with escape key", async () => {
render(OverflowMenu);
const spy = vi.spyOn(console, "log");
const menuButton = screen.getByRole("button");
await user.click(menuButton);
await user.keyboard("{Escape}");
expect(spy).toHaveBeenCalledWith("close", null);
});
it("handles close event with outside click", async () => {
render(OverflowMenu);
const spy = vi.spyOn(console, "log");
const menuButton = screen.getByRole("button");
await user.click(menuButton);
await user.click(document.body);
expect(spy).toHaveBeenCalledWith("close", null);
});
});