add missing unit test suite

tests/parse-image.test.ts

@@ -0,0 +1,51 @@
+import { describe, test, expect } from 'bun:test';
+import { parseImageNameAndTag } from '../src/lib/server/scheduler/tasks/update-utils';
+
+describe('parseImageNameAndTag', () => {
+	test('adds latest tag when no tag specified', () => {
+		expect(parseImageNameAndTag('nginx')).toEqual(['nginx', 'latest']);
+	});
+
+	test('splits simple name:tag', () => {
+		expect(parseImageNameAndTag('nginx:1.25')).toEqual(['nginx', '1.25']);
+		expect(parseImageNameAndTag('redis:alpine')).toEqual(['redis', 'alpine']);
+	});
+
+	test('handles registry with port and tag', () => {
+		expect(parseImageNameAndTag('registry.example.com:5000/myimage:v1')).toEqual([
+			'registry.example.com:5000/myimage',
+			'v1'
+		]);
+	});
+
+	test('handles registry with port and no tag', () => {
+		expect(parseImageNameAndTag('registry.example.com:5000/myimage')).toEqual([
+			'registry.example.com:5000/myimage',
+			'latest'
+		]);
+	});
+
+	test('handles digest-based images', () => {
+		const digest = 'nginx@sha256:abc123def456';
+		expect(parseImageNameAndTag(digest)).toEqual([digest, '']);
+	});
+
+	test('handles dockhand-pending suffix', () => {
+		expect(parseImageNameAndTag('nginx:latest-dockhand-pending')).toEqual([
+			'nginx',
+			'latest-dockhand-pending'
+		]);
+	});
+
+	test('handles namespaced images', () => {
+		expect(parseImageNameAndTag('library/nginx:latest')).toEqual(['library/nginx', 'latest']);
+		expect(parseImageNameAndTag('ghcr.io/finsys/dockhand:v1.0.0')).toEqual([
+			'ghcr.io/finsys/dockhand',
+			'v1.0.0'
+		]);
+	});
+
+	test('handles latest tag explicitly', () => {
+		expect(parseImageNameAndTag('nginx:latest')).toEqual(['nginx', 'latest']);
+	});
+});