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import { describe, expect, test } from "bun:test";

import { evaluateTitle } from "./pr-title-guard.ts";

describe("evaluateTitle", () => {

const cases: [string, string, string, string | undefined, boolean][] = [

["breaking into develop fails", "feat(cli)!: drop thing", "develop", "feature/x", false],

["breaking into next passes", "feat(cli)!: drop thing", "next", "feature/x", true],

["next to develop cut from this repo passes", "feat(cli)!: v3", "develop", "next", true],

["next to main still fails", "feat(cli)!: v3", "main", "next", false],

["non-breaking into develop passes", "fix(cli): repair", "develop", "feature/x", true],

["non-conventional title passes", "Update readme", "develop", "feature/x", true],

["breaking into v2.x fails", "feat!: drop thing", "v2.x", "hotfix/x", false],

["breaking into main fails", "fix(cli)!: drop thing", "main", "hotfix/x", false],

[

"merge_group ref form fails",

"feat(cli)!: drop thing (#12)",

"refs/heads/develop",

undefined,

false,

],

[

"merge_group ref form into next passes",

"feat(cli)!: drop thing (#12)",

"refs/heads/next",

undefined,

true,

],

["only the first line counts", "fix: a\n\nfeat!: b", "develop", undefined, true],

["multi-line breaking first line fails", "feat!: a\n\nbody", "develop", undefined, false],

];

test.each(cases)("%s", (_name, title, baseRef, headRef, ok) => {

const repo = "supabase/cli";

expect(evaluateTitle({ title, baseRef, headRef, headRepo: repo, baseRepo: repo }).ok).toBe(ok);

});

test("a fork branch named next does not get the cut exemption", () => {

const result = evaluateTitle({

title: "feat(cli)!: v3",

baseRef: "develop",

headRef: "next",

headRepo: "someone/cli",

baseRepo: "supabase/cli",

});

expect(result.ok).toBe(false);

});

test("the cut exemption needs both repositories to be known", () => {

const result = evaluateTitle({ title: "feat(cli)!: v3", baseRef: "develop", headRef: "next" });

expect(result.ok).toBe(false);

});

test("failure message names the base and the target", () => {

const result = evaluateTitle({ title: "feat!: x", baseRef: "refs/heads/develop" });

expect(result.ok).toBe(false);

if (!result.ok) {

expect(result.message).toContain("`next`");

expect(result.message).toContain("`develop`");

}

});

});