import { describe, it, expect, beforeEach, afterEach } from "@jest/globals";
import { promises as fs } from "fs";
import os from "os";
import path from "path";
import { manageSlide } from "../manage_slide.js";
import { setActiveTheme } from "../../themes/index.js";
const FRONTMATTER = ["---", "marp: true", "theme: default", "---", ""].join("\n");
async function readSlides(filePath: string): Promise<string> {
return fs.readFile(filePath, "utf-8");
}
describe("manageSlide - notes", () => {
let tempDir: string;
beforeEach(async () => {
tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "marp-manage-slide-"));
setActiveTheme("default");
});
afterEach(async () => {
await fs.rm(tempDir, { recursive: true, force: true });
});
it("appends notes when inserting slides", async () => {
const filePath = path.join(tempDir, "insert.md");
await fs.writeFile(filePath, `${FRONTMATTER}\n`, "utf-8");
await manageSlide({
filePath,
layoutType: "title",
params: { heading: "Intro" },
note: "Remember to greet the audience\nShare agenda briefly",
});
const updated = await readSlides(filePath);
expect(updated).toContain("<!--");
expect(updated).toContain("Remember to greet the audience");
expect(updated).toContain("Share agenda briefly");
expect(updated.trimEnd().endsWith("-->")).toBe(true);
});
it("appends notes when replacing slides", async () => {
const filePath = path.join(tempDir, "replace.md");
const existingSlideId = "aabbccdd-1234";
const initialContent = [
FRONTMATTER,
`<!-- slide-id: ${existingSlideId} -->`,
"",
"# Old heading",
"",
"Legacy body",
].join("\n");
await fs.writeFile(filePath, `${initialContent}\n`, "utf-8");
await manageSlide({
filePath,
layoutType: "title",
params: { heading: "Updated title" },
mode: "replace",
slideId: existingSlideId,
note: "New talking points",
});
const updated = await readSlides(filePath);
expect(updated).toContain("# Updated title");
expect(updated).toContain("<!--\nNew talking points\n-->");
});
});
