thumbsup/test/model/album-stats.spec.js

var should   = require('should/as-function');
var Album    = require('../../src/model/album');
var fixtures = require('../fixtures');

describe('Album', function() {

  describe('stats', function() {

    describe('single level stats', function() {

      it('has no nested albums', function() {
        var a = new Album({});
        a.finalize();
        should(a.stats.albums).eql(0);
      })

      it('calculates counts for a single level', function() {
        var a = new Album({
          files: [
            fixtures.photo(), fixtures.photo(),
            fixtures.photo(), fixtures.photo(),
            fixtures.video(), fixtures.video(),
          ]
        });
        a.finalize();
        should(a.stats.photos).eql(4);
        should(a.stats.videos).eql(2);
      });

      it('calculates from/to dates', function() {
        var a = new Album({
          files: [
            fixtures.photo({date: '2016-09-14'}),
            fixtures.photo({date: '2016-09-02'}),
            fixtures.photo({date: '2016-10-21'}),
          ]
        });
        a.finalize();
        should(a.stats.fromDate).eql(fixtures.date('2016-09-02').getTime());
        should(a.stats.toDate).eql(fixtures.date('2016-10-21').getTime());
      });

    });

    describe('nested albums stats', function() {

      it('counts all nested albums', function() {
        var root = new Album({
          albums: [new Album('a'), new Album('b')]
        });
        root.finalize();
        should(root.stats.albums).eql(2);
      });

      it('counts all nested photos', function() {
        var root = new Album({
          files: [fixtures.photo()],
          albums: [
            new Album({
              files: [fixtures.photo(), fixtures.photo()]
            })
          ]
        });
        root.finalize();
        should(root.stats.photos).eql(3);
      });

      it('counts all nested photos', function() {
        var root = new Album({
          files: [fixtures.video()],
          albums: [
            new Album({
              files: [fixtures.video(), fixtures.video()]
            })
          ]
        });
        root.finalize();
        should(root.stats.videos).eql(3);
      });

      it('calculates from/to dates across all albums', function() {
        var a = new Album({
          files: [fixtures.photo({date: '2016-09-14'})],
          albums: [
            new Album({
              files: [fixtures.photo({date: '2016-09-02'})],
              albums: [new Album({
                files: [fixtures.photo({date: '2016-10-21'})]
              })]
            })
          ]
        });
        a.finalize();
        should(a.stats.fromDate).eql(fixtures.date('2016-09-02').getTime());
        should(a.stats.toDate).eql(fixtures.date('2016-10-21').getTime());
      });

    });

  });

  describe('summary', function() {

    it('creates a summary with a single photo', function() {
      var a = new Album('single');
      a.files = [
        fixtures.photo()
      ];
      a.finalize();
      should(a.summary).eql('1 photo')
    });

    it('creates a summary with a single video', function() {
      var a = new Album('single');
      a.files = [
        fixtures.video()
      ];
      a.finalize();
      should(a.summary).eql('1 video')
    });

    it('creates a summary with a single album', function() {
      var a = new Album('single');
      a.albums = [new Album('nested')];
      a.finalize();
      should(a.summary).eql('1 album')
    });

    it('creates a summary with several photos', function() {
      var a = new Album('single');
      a.files = [
        fixtures.photo(), fixtures.photo(),
      ];
      a.finalize();
      should(a.summary).eql('2 photos')
    });

    it('creates a summary with several videos', function() {
      var a = new Album('single');
      a.files = [
        fixtures.video(), fixtures.video(),
      ];
      a.finalize();
      should(a.summary).eql('2 videos')
    });

    it('creates a summary with several albums', function() {
      var a = new Album('single');
      a.albums = [new Album('nested 1'), new Album('nested 2')];
      a.finalize();
      should(a.summary).eql('2 albums')
    });

    it('creates a summary with a mix of albums, photos and videos', function() {
      var a = new Album('single');
      a.albums = [new Album('nested')];
      a.files = [
        fixtures.photo(), fixtures.photo(),
        fixtures.video(), fixtures.video(),
      ];
      a.finalize();
      should(a.summary).eql('1 album, 2 photos, 2 videos')
    });

  });

});