48 lines
2.8 KiB
TypeScript
48 lines
2.8 KiB
TypeScript
import { expect, test } from "bun:test";
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import { readFileSync } from "node:fs";
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import { Window } from "happy-dom";
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const code = new Bun.Transpiler({ loader: "ts" }).transformSync(readFileSync(new URL("../src/canvas.ts", import.meta.url), "utf8"))
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.replace(/^import .*;\s*$/gm, "").replace("export function mountBlockCanvas", "function mountBlockCanvas");
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test("canvas annotates exact node locations and cleans editor decorations without changing content", () => {
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const window = new Window();
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const root = window.document.body;
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root.innerHTML = '<table data-block-id="root"><tbody><tr><td data-block-id="column" draggable="true"><table></table></td></tr></tbody></table>';
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const original = root.innerHTML;
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const tree = { id: "root", type: "layout.email-document", slots: { content: [{ id: "column", type: "layout.column", slots: { content: [] } }] } };
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const before = JSON.stringify(tree);
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let destroyed = 0;
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const mount = new Function("mountBlockEditor", code + ";return mountBlockCanvas;")(() => ({ destroy: () => destroyed++, refresh() {} }));
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const mounted = mount(root, tree, {});
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const column = root.querySelector('[data-block-id="column"]')!;
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expect(column.getAttribute("data-block-parent")).toBe("root");
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expect(column.getAttribute("data-block-slot")).toBe("content");
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expect(column.getAttribute("draggable")).toBe("false");
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expect(root.querySelectorAll("[data-block-handle]")).toHaveLength(1);
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const handle = root.querySelector("[data-block-handle]")!;
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let clicks = 0, pointers = 0;
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column.addEventListener("click", () => clicks++);
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column.addEventListener("dblclick", () => clicks++);
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column.addEventListener("pointerdown", () => pointers++);
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handle.dispatchEvent(new window.MouseEvent("click", { bubbles: true }));
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handle.dispatchEvent(new window.MouseEvent("dblclick", { bubbles: true }));
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handle.dispatchEvent(new window.PointerEvent("pointerdown", { bubbles: true }));
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expect(clicks).toBe(0);
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expect(pointers).toBe(1);
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expect(root.querySelector("[data-block-slot-target]")?.getAttribute("data-block-parent")).toBe("column");
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expect(JSON.stringify(tree)).toBe(before);
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mounted.destroy(); mounted.destroy();
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expect(destroyed).toBe(1);
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expect(root.innerHTML).toBe(original);
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});
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test("failed canvas mounting rolls back annotations", () => {
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const root = new Window().document.body;
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root.innerHTML = '<div data-block-id="root"><div data-block-id="child">Content</div></div>';
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const before = root.innerHTML;
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const mount = new Function("mountBlockEditor", code + ";return mountBlockCanvas;")(() => { throw new Error("backend unavailable"); });
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expect(() => mount(root, { id: "root", type: "root", slots: { content: [{ id: "child", type: "text", slots: {} }] } }, {})).toThrow("backend unavailable");
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expect(root.innerHTML).toBe(before);
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});
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