public void GetByLogsSomeAttributesWithDuplicateValues() { var registry = CreateLogRegistry(); var entry = registry.AddLog(DateTime.Now.ToString(), "testmsg1"); Assert.That(entry, Is.Not.Null); registry.AddValueToLog(entry, LogAttribute.Level, "cookie"); entry = registry.AddLog(DateTime.Now.ToString(), "testmsg2"); Assert.That(entry, Is.Not.Null); registry.AddValueToLog(entry, LogAttribute.Level, "cookie"); entry = registry.AddLog(DateTime.Now.ToString(), "testmsg3"); Assert.That(entry, Is.Not.Null); var logs = registry.GetBy(LogAttribute.Level); Assert.That(logs, Is.Not.ExEmpty()); Assert.That(logs.Select(group => group.Key), HasEx.ExMember("cookie").And.ExExactly(1).Items); Assert.That(logs.Concat().Select(log => log.Message), IsEx.ExSubsetOf(new string[] { "testmsg1", "testmsg2" })); }