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test: add rewrite chapter regression — verify next chapter is 2 after rewrite 2

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Simulates: write 3 chapters → rewrite chapter 2 (trim index, delete
files, restore snapshot) → assert getNextChapterNumber returns 2.

Addresses #103
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Ma
2026-03-28 20:40:14 +08:00
parent aeb6d2c171
commit 75a70ece5d
1 changed files with 36 additions and 0 deletions
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packages/core/src/__tests__/state-manager.test.ts
+36
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@@ -418,6 +418,42 @@ describe("StateManager", () => {
const restored = await manager.restoreState(bookId, 999);
expect(restored).toBe(false);
});
it("rewrite chapter 2 then getNextChapterNumber returns 2", async () => {
const rwBookId = "rewrite-book";
const chapDir = join(manager.bookDir(rwBookId), "chapters");
const storyDir = join(manager.bookDir(rwBookId), "story");
await mkdir(chapDir, { recursive: true });
await mkdir(storyDir, { recursive: true });
// Simulate 3 chapters written
await writeFile(join(chapDir, "0001_ch1.md"), "# Chapter 1\nContent 1", "utf-8");
await writeFile(join(chapDir, "0002_ch2.md"), "# Chapter 2\nContent 2", "utf-8");
await writeFile(join(chapDir, "0003_ch3.md"), "# Chapter 3\nContent 3", "utf-8");
const fullIndex = [
{ number: 1, title: "Ch1", status: "approved", wordCount: 100, createdAt: "", updatedAt: "", auditIssues: [] },
{ number: 2, title: "Ch2", status: "approved", wordCount: 100, createdAt: "", updatedAt: "", auditIssues: [] },
{ number: 3, title: "Ch3", status: "approved", wordCount: 100, createdAt: "", updatedAt: "", auditIssues: [] },
];
await manager.saveChapterIndex(rwBookId, fullIndex);
// Snapshot state at chapter 1 (before chapter 2)
await writeFile(join(storyDir, "current_state.md"), "State at ch1", "utf-8");
await writeFile(join(storyDir, "pending_hooks.md"), "Hooks at ch1", "utf-8");
await manager.snapshotState(rwBookId, 1);
// Simulate rewrite of chapter 2: trim index, delete ch2+ch3, restore state
const trimmed = fullIndex.filter((ch) => ch.number < 2);
await manager.saveChapterIndex(rwBookId, trimmed);
const { rm } = await import("node:fs/promises");
await rm(join(chapDir, "0002_ch2.md"));
await rm(join(chapDir, "0003_ch3.md"));
await manager.restoreState(rwBookId, 1);
// Next chapter should be 2, not 4
const next = await manager.getNextChapterNumber(rwBookId);
expect(next).toBe(2);
});
});
// -------------------------------------------------------------------------