SPARQL DSL Typescript Test

test.ts

  it('should build relationship query with node traversals', () => {
    const query: Query = {
      select: ['id', 'name'],
      where: {
        match: {
          and: {
            id: ['45a4d510-adb8-41d1-a34e-557ed6b88309', 'ed79b15e-f60b-4cc6-877b-c653606e68a3'],
          },
        },
      },
      relation: 'owns',
      site: {
        relation: 'hasPart',
        building: {
          select: ['id', 'name'],
          relation: 'hasPart',
          floor: {
            select: ['id', 'name'],
            relation: 'hasPart',
            room: {
              select: ['id', 'name'],
              relation: 'isLocationOf',
              asset: {
                select: ['id', 'name'],
              },
            },
          },
        },
      },
    };

    const context = createQueryContextTree(query);
    const actual = buildRelationshipQuery(context).expressions;
    console.log(actual);
    const expected = [
      '?_ abound:id ?_criteria_id .',
      'FILTER (?_criteria_id  IN ("45a4d510-adb8-41d1-a34e-557ed6b88309","ed79b15e-f60b-4cc6-877b-c653606e68a3"))',
      'OPTIONAL { ?_ abound:id ?_id . }',
      'OPTIONAL { ?_ rdfs:label ?_name . }',
      'OPTIONAL { ?_ abound:owns ?_site_ .\n' +
        'OPTIONAL { ?_site_ brick:hasPart ?_site_building_ .\n' +
        'OPTIONAL { ?_site_building_ abound:id ?_site_building_id . }\n' +
        'OPTIONAL { ?_site_building_ rdfs:label ?_site_building_name . }\n' +
        'OPTIONAL { ?_site_building_ brick:hasPart ?_site_building_floor_ .\n' +
        'OPTIONAL { ?_site_building_floor_ abound:id ?_site_building_floor_id . }\n' +
        'OPTIONAL { ?_site_building_floor_ rdfs:label ?_site_building_floor_name . }\n' +
        'OPTIONAL { ?_site_building_floor_ brick:hasPart ?_site_building_floor_room_ .\n' +
        'OPTIONAL { ?_site_building_floor_room_ abound:id ?_site_building_floor_room_id . }\n' +
        'OPTIONAL { ?_site_building_floor_room_ rdfs:label ?_site_building_floor_room_name . }\n' +
        'OPTIONAL { ?_site_building_floor_room_ brick:isLocationOf ?_site_building_floor_room_asset_ .\n' +
        'OPTIONAL { ?_site_building_floor_room_asset_ abound:id ?_site_building_floor_room_asset_id . }\n' +
        'OPTIONAL { ?_site_building_floor_room_asset_ rdfs:label ?_site_building_floor_room_asset_name . } } } } } }',
    ];

    expect(actual).toEqual(expected);
  });