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import { describe, expect, it } from "vitest";
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import { DAV_AREAS } from "@/worker/dav/areas";
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import { expensiveDavRequestArea, findDavArea, isExpensiveDavRequest } from "@/worker/dav/runtime";
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describe("DAV runtime registry", () => {
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  it("matches registered areas and preserves expensive request area keys", () => {
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    expect(findDavArea("/files/", DAV_AREAS)?.name).toBe("files");
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    expect(findDavArea("/calendars/default/", DAV_AREAS)?.name).toBe("caldav");
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    expect(findDavArea("/addressbooks/default/", DAV_AREAS)?.name).toBe("carddav");
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    expect(findDavArea("/principals/me/", DAV_AREAS)?.name).toBe("discovery");
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    expect(findDavArea("/not-dav/", DAV_AREAS)).toBeNull();
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    expect(expensiveDavRequestArea("/files/a.txt")).toBe("files");
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    expect(expensiveDavRequestArea("/calendars/default/")).toBe("calendars");
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    expect(expensiveDavRequestArea("/addressbooks/default/")).toBe("addressbooks");
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    expect(expensiveDavRequestArea("/principals/me/")).toBe("principals");
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    expect(expensiveDavRequestArea("/")).toBe("");
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  });
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  it("classifies REPORT and Depth infinity PROPFIND as expensive DAV requests", () => {
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    expect(isExpensiveDavRequest(new Request("https://dav.example.com/calendars/", { method: "REPORT" }))).toBe(true);
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    expect(
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      isExpensiveDavRequest(
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        new Request("https://dav.example.com/files/", { method: "PROPFIND", headers: { depth: "infinity" } }),
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      ),
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    ).toBe(true);
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    expect(
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      isExpensiveDavRequest(
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        new Request("https://dav.example.com/files/", { method: "PROPFIND", headers: { depth: "1" } }),
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      ),
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    ).toBe(false);
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  });
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});