Carlos Florêncio
54 lines
1.9 KiB
TypeScript
54 lines
1.9 KiB
TypeScript
import { describe, expect, it, vi } from "vitest";
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import { renderToStaticMarkup } from "react-dom/server";
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import { MermaidBlock } from "./mermaid-block";
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import { cleanupMermaidOrphans } from "./mermaid-utils";
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vi.mock("@/components/theme/app-theme", () => ({
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useTheme: () => ({ resolvedTheme: "dark" }),
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}));
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vi.mock("@/components/toast-provider", () => ({
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useToast: () => ({ toast: vi.fn(), updateToast: vi.fn(), dismissToast: vi.fn() }),
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}));
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describe("MermaidBlock", () => {
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it("renders a constrained outer container with a horizontal scroll viewport", () => {
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const html = renderToStaticMarkup(<MermaidBlock code={"graph LR\nA-->B"} />);
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expect(html).toContain("mermaid-block");
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expect(html).toContain("block w-full max-w-full min-w-0");
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expect(html).toContain("mermaid-scroll-region w-full overflow-x-auto overflow-y-hidden");
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expect(html).not.toContain("inline-block");
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});
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});
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const RENDER_ID_1 = "mermaid-test-1";
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const RENDER_ID_2 = "mermaid-test-2";
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const D_RENDER_ID_2 = `d${RENDER_ID_2}`;
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describe("cleanupMermaidOrphans", () => {
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it("removes elements matching the render id", () => {
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const el = document.createElement("div");
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el.id = RENDER_ID_1;
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document.body.appendChild(el);
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expect(document.getElementById(RENDER_ID_1)).not.toBeNull();
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cleanupMermaidOrphans(RENDER_ID_1);
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expect(document.getElementById(RENDER_ID_1)).toBeNull();
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});
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it("removes elements matching the d-prefixed id", () => {
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const el = document.createElement("div");
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el.id = D_RENDER_ID_2;
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document.body.appendChild(el);
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expect(document.getElementById(D_RENDER_ID_2)).not.toBeNull();
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cleanupMermaidOrphans(RENDER_ID_2);
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expect(document.getElementById(D_RENDER_ID_2)).toBeNull();
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});
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it("does nothing when no matching elements exist", () => {
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expect(() => cleanupMermaidOrphans("nonexistent-id")).not.toThrow();
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});
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});
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