MongoDB.DriverUnitTests.MongoUrlBuilderTests.TestReadPreference_SecondaryWithTwoTagSets C# (CSharp) Метод

        public void TestReadPreference_SecondaryWithTwoTagSets()
        {
            var tagSets = new ReplicaSetTagSet[]
            {
                new ReplicaSetTagSet { { "dc", "ny" }, { "rack", "1" } },
                new ReplicaSetTagSet { { "dc", "sf" } }
            };
            var readPreference = new ReadPreference { ReadPreferenceMode = ReadPreferenceMode.Secondary, TagSets = tagSets };
            var built = new MongoUrlBuilder { Server = _localhost, ReadPreference = readPreference };
            var connectionString = "mongodb://localhost/?readPreference=secondary;readPreferenceTags=dc:ny,rack:1;readPreferenceTags=dc:sf";

            foreach (var builder in EnumerateBuiltAndParsedBuilders(built, connectionString))
            {
                Assert.AreEqual(ReadPreferenceMode.Secondary, builder.ReadPreference.ReadPreferenceMode);
                var builderTagSets = builder.ReadPreference.TagSets.ToArray();
                Assert.AreEqual(2, builderTagSets.Length);
                var builderTagSet1Tags = builderTagSets[0].Tags.ToArray();
                var builderTagSet2Tags = builderTagSets[1].Tags.ToArray();
                Assert.AreEqual(2, builderTagSet1Tags.Length);
                Assert.AreEqual(new ReplicaSetTag("dc", "ny"), builderTagSet1Tags[0]);
                Assert.AreEqual(new ReplicaSetTag("rack", "1"), builderTagSet1Tags[1]);
                Assert.AreEqual(1, builderTagSet2Tags.Length);
                Assert.AreEqual(new ReplicaSetTag("dc", "sf"), builderTagSet2Tags[0]);
                Assert.AreEqual(connectionString, builder.ToString());
            }
        }