Release diagram Tools v0.1.0

tests/components/Workbench.test.tsx

@@ -0,0 +1,19 @@
+import { render, screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { describe, expect, it } from "vitest";
+import { Workbench } from "../../src/components/Workbench";
+
+describe("Diagram Workbench", () => {
+  it("loads and renders a sequence example with an accessible outline", async () => {
+    const user = userEvent.setup();
+    render(<Workbench />);
+
+    await user.click(screen.getByRole("button", { name: "sequence" }));
+    await user.click(screen.getByRole("button", { name: "Render diagram" }));
+
+    expect(screen.getByText(/Rendered 3 nodes and 3 edges/)).toBeVisible();
+    expect(
+      screen.getByRole("region", { name: "Diagram textual outline" }),
+    ).toHaveTextContent("Browser");
+  });
+});