import { declaredAllows, declaredTestNote, landedCommitMessage } from "./landed-commit.js";

// The push gate reads a weakening's declaration off the commit (assertion-ratchet.mjs), so the trailer must survive
// the trip from the conversation's last word into the message a land commits under.

test("a landed message commits as its subject and one trailer paragraph, the test note included", () => {
    expect(landedCommitMessage({ subject: "fix: tabs" })).toBe("fix: tabs");
    expect(landedCommitMessage({ subject: "feat: tabs", note: "Tabs remember.", breaking: "Old API gone.", testNote: "Rows became a table." })).toBe(
        "feat: tabs\n\nRelease-Note: Tabs remember.\nBreaking-Note: Old API gone.\nTest-Note: Rows became a table.",
    );
});

test("a Test-Note is read only from a line that starts with one and says something", () => {
    expect(declaredTestNote("Done.\n\nTest-Note: the prose assertion became a structural one\n")).toBe("the prose assertion became a structural one");
    expect(declaredTestNote("I kept a Test-Note: nowhere near the start")).toBeUndefined();
    expect(declaredTestNote("Test-Note:   \n")).toBeUndefined();
});

// An exception a conversation declared rides its land's commit, one trailer per line, for the checks that read them.
test("an Allow line is read from each line that starts with one, and each commits as its own trailer", () => {
    const said = "Done.\n\nAllow: layout — the fixtures folder is one suite's data\nAllow: paths — the test spells a root on purpose\nI would Allow: nothing here";
    const allows = declaredAllows(said);
    expect(allows).toEqual(["layout — the fixtures folder is one suite's data", "paths — the test spells a root on purpose"]);
    expect(declaredAllows("Allow:   \n")).toEqual([]);
    expect(landedCommitMessage({ subject: "fix: tabs", testNote: "Rows became a table.", allows })).toBe(
        "fix: tabs\n\nTest-Note: Rows became a table.\nAllow: layout — the fixtures folder is one suite's data\nAllow: paths — the test spells a root on purpose",
    );
});