How to use the puppetboard.app.puppetdb function in puppetboard

def mock_puppetdb_environments(mocker):
    environemnts = [
        {'name': 'production'},
        {'name': 'staging'}
    ]
    return mocker.patch.object(app.puppetdb, 'environments',
                               return_value=environemnts)

def test_db_version_good(mocker, mock_info_log):
    mocker.patch.object(app.puppetdb, 'current_version', return_value='4.2.0')
    err = 'PuppetDB Version %d.%d.%d' % (4, 2, 0)
    result = utils.get_db_version(app.puppetdb)
    mock_info_log.assert_called_with(err)
    assert (4, 0, 0) < result
    assert (4, 2, 0) == result
    assert (3, 2, 0) < result
    assert (4, 3, 0) > result
    assert (5, 0, 0) > result
    assert (4, 2, 1) > result

def mock_puppetdb_environments(mocker):
    environemnts = [
        {'name': 'production'},
        {'name': 'staging'}
    ]

    return mocker.patch.object(app.puppetdb, 'environments',
                               return_value=environemnts)

def test_db_empty_response(mocker, mock_err_log):
    err = "Empty Response"

    def connection_error():
        raise EmptyResponseError(err)

    mocker.patch.object(app.puppetdb, 'current_version',
                        side_effect=connection_error)
    result = utils.get_db_version(app.puppetdb)
    mock_err_log.assert_called_with(err)
    assert result == ()

}
            },
            {
                'validate': {
                    'data': {'Value': 60.3},
                    'checks': {
                        'path': '%sname=avg-resources-per-node' % base_str
                    }
                }
            }
        ]
    }

    dbquery = MockDbQuery(query_data)

    mocker.patch.object(app.puppetdb, '_query', side_effect=dbquery.get)

    rv = client.get('/%2A/radiator')

    assert rv.status_code == 200

    soup = BeautifulSoup(rv.data, 'html.parser')
    assert soup.title.contents[0] == 'Puppetboard'
    assert soup.h1 != 'Not Found'
    total = soup.find(class_='total')

    assert '50' in total.text