public void Enumerator_MoveNext_sets_Current_to_NextBigger_Bucket()
{
//Arrange
var biggerBucket = new SyncableBucket {
Id = 42
};
var smallerBucket = new SyncableBucket {
Id = 2, NextBiggerBucket = biggerBucket
};
var buckets = new[]
{
smallerBucket,
biggerBucket
};
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
var testing = new LinkedSyncableBuckets(dataCreator.Object, buckets);
var enumerator = testing.GetEnumerator();
//Act
_ = enumerator.MoveNext();
Assert.AreEqual(smallerBucket, enumerator.Current, "Test not valid. If the smaller bucket is not the first one, how are we supposed to test what follows after it?");
_ = enumerator.MoveNext();
//Assert
Assert.AreEqual(biggerBucket, enumerator.Current, $"Expected Bucket with Id {biggerBucket.Id}, got Id {enumerator.Current.Id}");
}
public void Enumerator_Reset_throws_NotSupportedException()
{
//Arrange
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
var testing = new LinkedSyncableBuckets(dataCreator.Object, new List <SyncableBucket>());
var enumerator = testing.GetEnumerator();
//Act & Assert
Assert.ThrowsException <NotSupportedException>(() => enumerator.Reset());
}
public void Enumerator_MoveNext_works_if_created_without_collection()
{
//Arrange
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
var testing = new LinkedSyncableBuckets(dataCreator.Object, new List <SyncableBucket>());
var enumerator = testing.GetEnumerator();
//Act
_ = enumerator.MoveNext();
//Assert: It didn't throw = success
}
public void Enumerator_Current_starts_as_null()
{
//Arrange
var buckets = new[]
{
new SyncableBucket {
Id = 1
}
};
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
var testing = new LinkedSyncableBuckets(dataCreator.Object, buckets);
//Act
var enumerator = testing.GetEnumerator();
//Assert
Assert.IsNull(enumerator.Current);
}
public void Enumerator_MoveNext_sets_current_null_when_the_last_element_is_passed()
{
//Arrange
var buckets = new[]
{
new SyncableBucket {
Id = 1
}
};
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
var testing = new LinkedSyncableBuckets(dataCreator.Object, buckets);
var enumerator = testing.GetEnumerator();
//Act
_ = enumerator.MoveNext();
_ = enumerator.MoveNext();
//Assert
Assert.IsNull(enumerator.Current);
}
public void Enumerator_MoveNext_returns_true_until_the_last_element_is_passed()
{
//Arrange
var buckets = new[]
{
new SyncableBucket {
Id = 1
}
};
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
var testing = new LinkedSyncableBuckets(dataCreator.Object, buckets);
var enumerator = testing.GetEnumerator();
//Act
var firstMoveNext = enumerator.MoveNext();
var secondMoveNext = enumerator.MoveNext();
//Assert
Assert.IsTrue(firstMoveNext);
Assert.IsFalse(secondMoveNext);
}
public void Enumerator_MoveNext_sets_the_first_Current_to_the_only_one_that_is_not_bigger_than_any_of_the_others()
{
//Arrange
var biggerBucket = new SyncableBucket {
Id = 42
};
var smallerBucket = new SyncableBucket {
Id = 2, NextBiggerBucket = biggerBucket
};
var buckets = new[]
{
biggerBucket,
smallerBucket
};
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
var testing = new LinkedSyncableBuckets(dataCreator.Object, buckets);
var enumerator = testing.GetEnumerator();
//Act
_ = enumerator.MoveNext();
//Assert
Assert.AreEqual(smallerBucket, enumerator.Current, $"Expected Bucket with Id {smallerBucket.Id}, got Id {enumerator.Current.Id}");
}
