public void DuplicateQueryDetectionMessageFilter_MergesEqualQueriesWithDuplicate_ToDuplicateQueryInstance() {
// given
IMessageFilter messageFilter = new DuplicateQueryDetectionMessageFilter();
QueryMessage first = MakeDuplicateQueryMessage("SELECT 1", 4);
QueryMessage second = MakeQueryMessage("SELECT 1");
// when
DuplicateQueryMessage output = (DuplicateQueryMessage) messageFilter.FilterTwo(first, second);
// assert
Assert.That(output.NumberOfQueries, Is.EqualTo(1 + 4));
}
public void DuplicateQueryDetectionMessageFilter_MergesNonEqualQueries_ToNullInstance() {
// given
IMessageFilter messageFilter = new DuplicateQueryDetectionMessageFilter();
QueryMessage first = MakeQueryMessage("SELECT 2");
QueryMessage second = MakeQueryMessage("SELECT 1");
// when
Message output = messageFilter.FilterTwo(first, second);
// assert
Assert.That(output, Is.Null, "Expected not to merge");
}