ABsoluteMaybe.Tests.Persistence.XmlExperimentCommandsTests.ConvertMarksOnlyExperimentsWithMatchingNameOrConversionKeyword C# (CSharp) Method

        public void ConvertMarksOnlyExperimentsWithMatchingNameOrConversionKeyword()
        {
            //arrange
            _commands.Reset();
            const string userId = "USER_123";
            // - experiment one
            _commands.GetOrCreateExperiment("CORRECT_CONVERSION_KEYWORD", new[] { "Experiment One", "Bar" });
            _commands.GetOrCreateParticipationRecord("CORRECT_CONVERSION_KEYWORD", () => "Experiment One", userId);
            // - experiment two
            _commands.GetOrCreateExperiment("Experiment2", new[] { "Foo", "Experiment Two" });
            _commands.GetOrCreateParticipationRecord("Experiment2", () => "Experiment Two", userId);
            // - experiment three
            _commands.GetOrCreateExperiment("Experiment3", "CORRECT_CONVERSION_KEYWORD", new[] { "Experiment Three", "Bar" });
            _commands.GetOrCreateParticipationRecord("Experiment3", () => "Experiment Three", userId);

            //act
            _commands.Convert("CORRECT_CONVERSION_KEYWORD", userId);

            //assert
            var xml = XDocument.Parse(_commands.SavedXml);
            var experiments = xml.Root.Elements("Experiment");
            experiments.Count().ShouldEqual(3);

            var records = experiments.Aggregate(new List<XElement>(),
                                                (list, exp) =>
                                                    {
                                                        var participants =
                                                            exp.Element("Participants").Elements("Participant").Where(
                                                                x =>
                                                                x.Attribute("HasConverted") != null &&
                                                                bool.Parse(x.Attribute("HasConverted").Value));
                                                        list.AddRange(participants);
                                                        return list;
                                                    },
                                                list => list);
            records.Count().ShouldEqual(2);
        }