test: measure coverage, and call the three files nothing called

test/pantry-parser.test.tsadded+67-0

Changes to test/pantry-parser.test.ts

		@@ -0,0 +1,67 @@
	1	+import { describe, expect, it } from 'bun:test'
	2	+import { isPantryLockFile, parsePantryLockFile } from '../src/utils/pantry-parser'
	3	+
	4	+/**
	5	+ * 0% function coverage before this file: the parser is wired into the
	6	+ * package scanner and was never once called by a test, so a regression here
	7	+ * would surface as pantry.lock silently vanishing from the dashboard.
	8	+ */
	9	+describe('pantry-parser', () => {
	10	+ describe('isPantryLockFile', () => {
	11	+ it('success case - matches the lock file wherever it lives', () => {
	12	+ expect(isPantryLockFile('pantry.lock')).toBe(true)
	13	+ expect(isPantryLockFile('packages/app/pantry.lock')).toBe(true)
	14	+ })
	15	+
	16	+ it('failure case - near-misses are not lock files', () => {
	17	+ expect(isPantryLockFile('pantry.lock.bak')).toBe(false)
	18	+ expect(isPantryLockFile('pantry.yaml')).toBe(false)
	19	+ expect(isPantryLockFile('bun.lock')).toBe(false)
	20	+ })
	21	+ })
	22	+
	23	+ describe('parsePantryLockFile', () => {
	24	+ const lock = {
	25	+ version: '1',
	26	+ packages: {
	27	+ 'bun.com': { name: 'bun.com', version: '1.2.19', resolved: 'https://example.com/bun' },
	28	+ 'node': { name: 'node', version: '22.3.0', resolved: 'https://example.com/node' },
	29	+ },
	30	+ }
	31	+
	32	+ it('success case - extracts every resolved package', async () => {
	33	+ const parsed = await parsePantryLockFile('pantry.lock', JSON.stringify(lock))
	34	+
	35	+ expect(parsed?.type).toBe('pantry.lock')
	36	+ expect(parsed?.dependencies).toEqual([
	37	+ { name: 'bun.com', currentVersion: '1.2.19', type: 'dependencies', file: 'pantry.lock' },
	38	+ { name: 'node', currentVersion: '22.3.0', type: 'dependencies', file: 'pantry.lock' },
	39	+ ])
	40	+ })
	41	+
	42	+ it('edge case - entries missing a name or version are skipped', async () => {
	43	+ const partial = {
	44	+ version: '1',
	45	+ packages: {
	46	+ ok: { name: 'ok', version: '1.0.0', resolved: '' },
	47	+ nameless: { version: '2.0.0', resolved: '' },
	48	+ versionless: { name: 'versionless', resolved: '' },
	49	+ },
	50	+ }
	51	+
	52	+ const parsed = await parsePantryLockFile('pantry.lock', JSON.stringify(partial))
	53	+
	54	+ expect(parsed?.dependencies.map(dep => dep.name)).toEqual(['ok'])
	55	+ })
	56	+
	57	+ it('edge case - a lock without packages parses to no dependencies', async () => {
	58	+ const parsed = await parsePantryLockFile('pantry.lock', JSON.stringify({ version: '1' }))
	59	+
	60	+ expect(parsed?.dependencies).toEqual([])
	61	+ })
	62	+
	63	+ it('failure case - malformed JSON returns null rather than throwing', async () => {
	64	+ expect(await parsePantryLockFile('pantry.lock', 'not json {')).toBeNull()
	65	+ })
	66	+ })
	67	+})