public void GetAllElements_ReturnsAllXmlValuesForGivenKey()
        {
            //Arrange
            var context = new DataContext(_dbContextOptions);

            context.KeyCollections.AddRange(new KeyValuesCollection {
                AppId = _appId, Value = "<Element1/>"
            },
                                            new KeyValuesCollection {
                AppId = _appId, Value = "<Element2/>"
            },
                                            new KeyValuesCollection {
                AppId = Guid.NewGuid(), Value = "<Element3/>"
            });
            context.SaveChanges();

            var repo = new PostgresXmlRepository(() => context, _appId, _instanceId);

            //Act
            var elements = repo.GetAllElements().ToArray();

            //Assert
            Assert.Equal(2, elements.Count());
            Assert.Equal(new XElement("Element1").ToString(), elements[0].ToString());
            Assert.Equal(new XElement("Element2").ToString(), elements[1].ToString());
        }
        public void GetAllElements_ThrowsParsingException()
        {
            //Arrange
            var context = new DataContext(_dbContextOptions);

            context.KeyCollections.AddRange(new KeyValuesCollection {
                AppId = _appId, Value = "<Element1/>"
            },
                                            new KeyValuesCollection {
                AppId = _appId, Value = "<Element2"
            });
            context.SaveChanges();

            var repo = new PostgresXmlRepository(() => context, _appId, _instanceId);

            //Act - Assert
            Assert.Throws <XmlException>(() => repo.GetAllElements());
        }