blb-throne-of-the-bone-king/__tests__/changelogData.test.ts

import {
  changelogEntries,
  getChangelogEntriesNewestFirst,
  isChangelogEntries,
} from '../src/data';

describe('changelog data', () => {
  it('provides valid changelog entries', () => {
    expect(isChangelogEntries(changelogEntries)).toBe(true);
    expect(changelogEntries.length).toBeGreaterThan(0);
    expect(changelogEntries[0]).toEqual(
      expect.objectContaining({
        id: 'build-metadata-changelog-poc',
        title: 'Build Metadata and Changelog Scaffold',
      }),
    );
  });

  it('sorts changelog entries newest first', () => {
    const sortedEntries = getChangelogEntriesNewestFirst([
      {
        changes: ['Older change'],
        createdAt: '2026-06-01',
        id: 'older-entry',
        summary: 'Older summary',
        title: 'Older Entry',
        version: '0.0.1',
      },
      {
        changes: ['Newer change'],
        createdAt: '2026-06-16',
        id: 'newer-entry',
        summary: 'Newer summary',
        title: 'Newer Entry',
        version: '0.0.2',
      },
    ]);

    expect(sortedEntries.map(entry => entry.id)).toEqual([
      'newer-entry',
      'older-entry',
    ]);
  });

  it('rejects malformed changelog data', () => {
    expect(
      isChangelogEntries([
        {
          changes: 'not-an-array',
          createdAt: '2026-06-16',
          id: 'bad',
          summary: 'Bad entry',
          title: 'Bad',
          version: '0.0.1',
        },
      ]),
    ).toBe(false);
  });
});