test: update tests

tests/unit/components/ui/Alignment.test.ts

@@ -1,13 +1,44 @@
-import Alignment from "$components/ui/Alignment.svelte";
-import { render } from "@testing-library/svelte";
-import { describe, it } from "vitest";
+import { TextAlign } from "$lib/constants";
+import { render, screen } from "@testing-library/svelte";
+import userEvent from "@testing-library/user-event";
+import { describe, expect, it } from "vitest";
+import AlignmentTest from "./AlignmentTest.svelte";
 
 describe("Alignment.svelte", () => {
-  it("should render without crashing", () => {
-    render(Alignment, {
-      props: {
-        align: "left",
-      },
-    });
+  it("should update state for every button by clicking in sequence", async () => {
+    const user = userEvent.setup();
+    render(AlignmentTest);
+
+    const buttons = screen.getAllByRole("button");
+    const stateDisplay = screen.getByTestId("align-value");
+
+    const allButtonsToClick = [...buttons, buttons[0]];
+
+    for (const button of allButtonsToClick) {
+      const label = button.getAttribute("aria-label")?.toLowerCase() || "";
+
+      await user.click(button);
+
+      const finalValue = stateDisplay.textContent?.toLowerCase() || "";
+      expect(label).toContain(finalValue);
+    }
+  });
+
+  it("should have initial state from props", () => {
+    render(AlignmentTest, { props: { align: TextAlign.RIGHT } });
+    expect(screen.getByTestId("align-value").textContent).toBe(TextAlign.RIGHT);
+  });
+
+  it("should sync with initial state and change state", async () => {
+    const user = userEvent.setup();
+    const { rerender } = render(AlignmentTest, { props: { align: TextAlign.RIGHT } });
+    const stateDisplay = screen.getByTestId("align-value");
+
+    expect(stateDisplay.textContent).toBe(TextAlign.RIGHT);
+
+    await rerender({ align: TextAlign.CENTER });
+
+    const centerBtn = screen.getByRole("button", { name: new RegExp(TextAlign.CENTER, "i") });
+    expect(centerBtn).toHaveClass("active");
   });
 });