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`close-keywords.test.ts`

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d62fb36Claude	1	/**
	2	* Block J7 — Closing-keyword parser tests. Pure function so the whole spec
	3	* lives here.
	4	*/
	5
	6	import { describe, it, expect } from "bun:test";
	7	import {
	8	extractClosingRefs,
	9	extractClosingRefsMulti,
	10	} from "../lib/close-keywords";
	11
	12	describe("close-keywords — extractClosingRefs", () => {
	13	it("returns [] for null / empty / undefined", () => {
	14	expect(extractClosingRefs(null)).toEqual([]);
	15	expect(extractClosingRefs(undefined)).toEqual([]);
	16	expect(extractClosingRefs("")).toEqual([]);
	17	});
	18
	19	it("matches all close/fix/resolve forms", () => {
	20	expect(extractClosingRefs("closes #1")).toEqual([1]);
	21	expect(extractClosingRefs("Close #2")).toEqual([2]);
	22	expect(extractClosingRefs("closed #3")).toEqual([3]);
	23	expect(extractClosingRefs("fix #4")).toEqual([4]);
	24	expect(extractClosingRefs("Fixes #5")).toEqual([5]);
	25	expect(extractClosingRefs("fixed #6")).toEqual([6]);
	26	expect(extractClosingRefs("resolve #7")).toEqual([7]);
	27	expect(extractClosingRefs("Resolves #8")).toEqual([8]);
	28	expect(extractClosingRefs("resolved #9")).toEqual([9]);
	29	});
	30
	31	it("handles colon / hyphen / punctuation between verb and ref", () => {
	32	expect(extractClosingRefs("Fixes: #12")).toEqual([12]);
	33	expect(extractClosingRefs("Closes:#13")).toEqual([13]);
	34	expect(extractClosingRefs("Fixes - #14")).toEqual([14]);
	35	expect(extractClosingRefs("Closes #15.")).toEqual([15]);
	36	expect(extractClosingRefs("Closes #16, thanks")).toEqual([16]);
	37	});
	38
	39	it("de-dupes and sorts", () => {
	40	expect(extractClosingRefs("closes #2 fixes #1 resolves #2")).toEqual([1, 2]);
	41	});
	42
	43	it("picks up multiple refs in a body", () => {
	44	const body =
	45	"This PR tidies up the UI.\n\nFixes #10\nCloses #11\nNot related: #99\nResolves #12";
	46	expect(extractClosingRefs(body)).toEqual([10, 11, 12]);
	47	});
	48
	49	it("ignores bare #N without a closing verb", () => {
	50	expect(extractClosingRefs("See #5 for context")).toEqual([]);
	51	expect(extractClosingRefs("#123 is the root cause")).toEqual([]);
	52	});
	53
	54	it("ignores cross-repo refs (owner/repo#N)", () => {
	55	expect(extractClosingRefs("Closes alice/widgets#42")).toEqual([]);
	56	expect(extractClosingRefs("Fixes foo/bar#99 and fixes #7")).toEqual([7]);
	57	});
	58
	59	it("does not match verbs embedded in larger words", () => {
	60	expect(extractClosingRefs("disclose #1")).toEqual([]);
	61	expect(extractClosingRefs("prefix #2")).toEqual([]);
	62	expect(extractClosingRefs("unresolved #3")).toEqual([]);
	63	});
	64
	65	it("does not match when # is spaced away from the number", () => {
	66	expect(extractClosingRefs("Closes # 1")).toEqual([]);
	67	});
	68
	69	it("is case insensitive on the verb", () => {
	70	expect(extractClosingRefs("CLOSES #1 FIXES #2 Resolves #3")).toEqual([
	71	1, 2, 3,
	72	]);
	73	});
	74
	75	it("tolerates whitespace runs", () => {
	76	expect(extractClosingRefs("Closes #1")).toEqual([1]);
	77	expect(extractClosingRefs("fixes\t#2")).toEqual([2]);
	78	});
	79
	80	it("rejects non-positive numbers", () => {
	81	expect(extractClosingRefs("Closes #0")).toEqual([]);
	82	// "#-1" is not a valid match under the parser either.
	83	expect(extractClosingRefs("Closes #-1")).toEqual([]);
	84	});
	85	});
	86
	87	describe("close-keywords — extractClosingRefsMulti", () => {
	88	it("merges + de-dupes across sources", () => {
	89	const body = "Fixes #1\nCloses #2";
	90	const title = "Resolves #2: cleanup";
	91	expect(extractClosingRefsMulti([title, body])).toEqual([1, 2]);
	92	});
	93
	94	it("skips nullish sources gracefully", () => {
	95	expect(extractClosingRefsMulti([null, undefined, "Closes #7"])).toEqual([
	96	7,
	97	]);
	98	expect(extractClosingRefsMulti([])).toEqual([]);
	99	});
	100	});