verdaccio/test/unit/modules/utils/utils.spec.ts

import { GENERIC_AVATAR, generateGravatarUrl } from '@verdaccio/utils';

import { DEFAULT_USER, DIST_TAGS } from '../../../../src/lib/constants';
import { logger, setup } from '../../../../src/lib/logger';
import {
  addGravatarSupport,
  formatAuthor,
  getVersion,
  normalizeDistTags,
  parseReadme,
  sortByName,
} from '../../../../src/lib/utils';
import { getByQualityPriorityValue } from '../../../../src/utils/string';

setup([]);

describe('Utilities', () => {
  const metadata: any = {
    name: 'npm_test',
    versions: {
      '1.0.0': {
        dist: {
          tarball: 'http://registry.org/npm_test/-/npm_test-1.0.0.tgz',
        },
      },
      '1.0.1': {
        dist: {
          tarball: 'http://registry.org/npm_test/-/npm_test-1.0.1.tgz',
        },
      },
    },
  };

  const cloneMetadata = (pkg = metadata) => Object.assign({}, pkg);

  describe('API utilities', () => {
    describe('Sort packages', () => {
      const packages = [
        {
          name: 'ghc',
        },
        {
          name: 'abc',
        },
        {
          name: 'zxy',
        },
      ];
      test('should order ascending', () => {
        expect(sortByName(packages)).toEqual([
          {
            name: 'abc',
          },
          {
            name: 'ghc',
          },
          {
            name: 'zxy',
          },
        ]);
      });

      test('should order descending', () => {
        expect(sortByName(packages, false)).toEqual([
          {
            name: 'zxy',
          },
          {
            name: 'ghc',
          },
          {
            name: 'abc',
          },
        ]);
      });
    });

    describe('normalizeDistTags', () => {
      test('should delete a invalid latest version', () => {
        const pkg = cloneMetadata();
        pkg[DIST_TAGS] = {
          latest: '20000',
        };

        normalizeDistTags(pkg);

        expect(Object.keys(pkg[DIST_TAGS])).toHaveLength(0);
      });

      test('should define last published version as latest', () => {
        const pkg = cloneMetadata();
        pkg[DIST_TAGS] = {};

        normalizeDistTags(pkg);

        expect(pkg[DIST_TAGS]).toEqual({ latest: '1.0.1' });
      });

      test('should define last published version as latest with a custom dist-tag', () => {
        const pkg = cloneMetadata();
        pkg[DIST_TAGS] = {
          beta: '1.0.1',
        };

        normalizeDistTags(pkg);

        expect(pkg[DIST_TAGS]).toEqual({ beta: '1.0.1', latest: '1.0.1' });
      });

      test('should convert any array of dist-tags to a plain string', () => {
        const pkg = cloneMetadata();
        pkg[DIST_TAGS] = {
          latest: ['1.0.1'],
        };

        normalizeDistTags(pkg);

        expect(pkg[DIST_TAGS]).toEqual({ latest: '1.0.1' });
      });
    });

    describe('getVersion', () => {
      test('should get the right version', () => {
        expect(getVersion(cloneMetadata(), '1.0.0')).toEqual(metadata.versions['1.0.0']);
        expect(getVersion(cloneMetadata(), 'v1.0.0')).toEqual(metadata.versions['1.0.0']);
      });

      test('should return nothing on get non existing version', () => {
        expect(getVersion(cloneMetadata(), '0')).toBeUndefined();
        expect(getVersion(cloneMetadata(), '2.0.0')).toBeUndefined();
        expect(getVersion(cloneMetadata(), 'v2.0.0')).toBeUndefined();
        expect(getVersion(cloneMetadata(), undefined)).toBeUndefined();
        expect(getVersion(cloneMetadata(), null)).toBeUndefined();
        expect(getVersion(cloneMetadata(), 2)).toBeUndefined();
      });
    });
  });

  describe('String utilities', () => {
    test('getByQualityPriorityValue', () => {
      expect(getByQualityPriorityValue('')).toEqual('');
      expect(getByQualityPriorityValue(null)).toEqual('');
      expect(getByQualityPriorityValue(undefined)).toEqual('');
      expect(getByQualityPriorityValue('something')).toEqual('something');
      expect(getByQualityPriorityValue('something,')).toEqual('something');
      expect(getByQualityPriorityValue('0,')).toEqual('0');
      expect(getByQualityPriorityValue('application/json')).toEqual('application/json');
      expect(getByQualityPriorityValue('application/json; q=1')).toEqual('application/json');
      expect(getByQualityPriorityValue('application/json; q=')).toEqual('application/json');
      expect(getByQualityPriorityValue('application/json;')).toEqual('application/json');
      expect(
        getByQualityPriorityValue(
          'application/json; q=1.0, application/vnd.npm.install-v1+json; q=0.9, */*'
        )
      ).toEqual('application/json');
      expect(
        getByQualityPriorityValue(
          'application/json; q=1.0, application/vnd.npm.install-v1+json; q=, */*'
        )
      ).toEqual('application/json');
      expect(
        getByQualityPriorityValue(
          'application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.9, */*'
        )
      ).toEqual('application/vnd.npm.install-v1+json');
      expect(
        getByQualityPriorityValue(
          'application/vnd.npm.install-v1+json; q=, application/json; q=0.9, */*'
        )
      ).toEqual('application/json');
    });
  });

  describe('User utilities', () => {
    test('should generate gravatar url with email', () => {
      const gravatarUrl: string = generateGravatarUrl('user@verdaccio.org');

      expect(gravatarUrl).toMatch('https://www.gravatar.com/avatar/');
      expect(gravatarUrl).not.toMatch('000000000');
    });

    test('should generate generic gravatar url', () => {
      const gravatarUrl: string = generateGravatarUrl();

      expect(gravatarUrl).toMatch(GENERIC_AVATAR);
    });
  });

  describe('parseReadme', () => {
    test('should show error for no readme data', () => {
      const noData = '';
      const spy = jest.spyOn(logger, 'info');
      expect(parseReadme('testPackage', noData)).toEqual('ERROR: No README data found!');
      expect(spy).toHaveBeenCalledWith(
        { packageName: 'testPackage' },
        '@{packageName}: No readme found'
      );
    });
  });

  describe('addGravatarSupport', () => {
    test('check for blank object', () => {
      // @ts-ignore
      expect(addGravatarSupport({})).toEqual({});
    });

    test('author, contributors and maintainers fields are not present', () => {
      const packageInfo = {
        latest: {},
      };

      // @ts-ignore
      expect(addGravatarSupport(packageInfo)).toEqual(packageInfo);
    });

    test('author field is a blank object', () => {
      const packageInfo = { latest: { author: {} } };

      // @ts-ignore
      expect(addGravatarSupport(packageInfo)).toEqual(packageInfo);
    });

    test('author field is a string type', () => {
      const packageInfo = {
        latest: { author: 'user@verdccio.org' },
      };
      const result = {
        latest: {
          author: {
            author: 'user@verdccio.org',
            avatar: GENERIC_AVATAR,
            email: '',
          },
        },
      };

      // @ts-ignore
      expect(addGravatarSupport(packageInfo)).toEqual(result);
    });

    test('author field is an object type with author information', () => {
      const packageInfo = {
        latest: { author: { name: 'verdaccio', email: 'user@verdccio.org' } },
      };
      const result = {
        latest: {
          author: {
            avatar: 'https://www.gravatar.com/avatar/794d7f6ef93d0689437de3c3e48fadc7',
            email: 'user@verdccio.org',
            name: 'verdaccio',
          },
        },
      };

      // @ts-ignore
      expect(addGravatarSupport(packageInfo)).toEqual(result);
    });

    test('contributor field is a blank array', () => {
      const packageInfo = {
        latest: {
          contributors: [],
        },
      };

      // @ts-ignore
      expect(addGravatarSupport(packageInfo)).toEqual(packageInfo);
    });

    describe('contributors', () => {
      test('contributors field has contributors', () => {
        const packageInfo = {
          latest: {
            contributors: [
              { name: 'user', email: 'user@verdccio.org' },
              { name: 'user1', email: 'user1@verdccio.org' },
            ],
          },
        };

        const result = {
          latest: {
            contributors: [
              {
                avatar: 'https://www.gravatar.com/avatar/794d7f6ef93d0689437de3c3e48fadc7',
                email: 'user@verdccio.org',
                name: 'user',
              },
              {
                avatar: 'https://www.gravatar.com/avatar/51105a49ce4a9c2bfabf0f6a2cba3762',
                email: 'user1@verdccio.org',
                name: 'user1',
              },
            ],
          },
        };

        // @ts-ignore
        expect(addGravatarSupport(packageInfo)).toEqual(result);
      });

      test('contributors field is an object', () => {
        const packageInfo = {
          latest: {
            contributors: { name: 'user', email: 'user@verdccio.org' },
          },
        };

        const result = {
          latest: {
            contributors: [
              {
                avatar: 'https://www.gravatar.com/avatar/794d7f6ef93d0689437de3c3e48fadc7',
                email: 'user@verdccio.org',
                name: 'user',
              },
            ],
          },
        };

        // @ts-ignore
        expect(addGravatarSupport(packageInfo)).toEqual(result);
      });

      test('contributors field is a string', () => {
        const contributor = 'Barney Rubble <b@rubble.com> (http://barnyrubble.tumblr.com/)';
        const packageInfo = {
          latest: {
            contributors: contributor,
          },
        };

        const result = {
          latest: {
            contributors: [
              {
                avatar: GENERIC_AVATAR,
                email: contributor,
                name: contributor,
              },
            ],
          },
        };

        // @ts-ignore
        expect(addGravatarSupport(packageInfo)).toEqual(result);
      });
    });

    test('maintainers field is a blank array', () => {
      const packageInfo = {
        latest: {
          maintainers: [],
        },
      };

      // @ts-ignore
      expect(addGravatarSupport(packageInfo)).toEqual(packageInfo);
    });

    test('maintainers field has maintainers', () => {
      const packageInfo = {
        latest: {
          maintainers: [
            { name: 'user', email: 'user@verdccio.org' },
            { name: 'user1', email: 'user1@verdccio.org' },
          ],
        },
      };

      const result = {
        latest: {
          maintainers: [
            {
              avatar: 'https://www.gravatar.com/avatar/794d7f6ef93d0689437de3c3e48fadc7',
              email: 'user@verdccio.org',
              name: 'user',
            },
            {
              avatar: 'https://www.gravatar.com/avatar/51105a49ce4a9c2bfabf0f6a2cba3762',
              email: 'user1@verdccio.org',
              name: 'user1',
            },
          ],
        },
      };

      // @ts-ignore
      expect(addGravatarSupport(packageInfo)).toEqual(result);
    });
  });

  describe('formatAuthor', () => {
    test('should check author field different values', () => {
      const author = 'verdaccioNpm';
      expect(formatAuthor(author).name).toEqual(author);
    });
    test('should check author field for object value', () => {
      const user = {
        name: 'Verdaccion NPM',
        email: 'verdaccio@verdaccio.org',
        url: 'https://verdaccio.org',
      };
      expect(formatAuthor(user).url).toEqual(user.url);
      expect(formatAuthor(user).email).toEqual(user.email);
      expect(formatAuthor(user).name).toEqual(user.name);
    });
    test('should check author field for other value', () => {
      expect(formatAuthor(null).name).toEqual(DEFAULT_USER);
      expect(formatAuthor({}).name).toEqual(DEFAULT_USER);
      expect(formatAuthor([]).name).toEqual(DEFAULT_USER);
    });
  });
});