public async Task When_adding_a_new_first_the_current_first_is_set_as_NextBiggerBucket()
{
//Arrange
var newBucket = new SyncableBucket {
Id = 278
};
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
dataCreator
.Setup(fake => fake.CreateEmptyAsync())
.ReturnsAsync(newBucket);
var testing = new LinkedSyncableBuckets(dataCreator.Object, new[] { new SyncableBucket {
Id = 314
} });
var currentFirstBucket = testing.First();
//Act
await testing.CreateEmptyBiggerThan(null);
//Assert
Assert.AreEqual(currentFirstBucket, newBucket.NextBiggerBucket);
}
public async Task The_new_bucket_gets_the_smaller_buckets_existing_NextBiggerBucket()
{
//Arrange
var newBucket = new SyncableBucket {
Id = 314
};
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
dataCreator
.Setup(fake => fake.CreateEmptyAsync())
.ReturnsAsync(newBucket);
var biggerBucket = new SyncableBucket {
Id = 42
};
var smallerBucket = new SyncableBucket {
Id = 278, NextBiggerBucket = biggerBucket
};
var testing = new LinkedSyncableBuckets(dataCreator.Object, new[] { smallerBucket, biggerBucket });
//Act
await testing.CreateEmptyBiggerThan(smallerBucket);
//Assert
Assert.AreEqual(biggerBucket, newBucket.NextBiggerBucket);
}
public async Task Newly_added_buckets_can_be_used_as_smallerBucket()
{
//Arrange
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
dataCreator
.Setup(fake => fake.CreateEmptyAsync())
.ReturnsAsync(new SyncableBucket {
Id = 42
});
var testing = new LinkedSyncableBuckets(dataCreator.Object, new[] { new SyncableBucket {
Id = 7
} });
await testing.CreateEmptyBiggerThan(null);
var newlyAdded = testing.First();
//Act
await testing.CreateEmptyBiggerThan(newlyAdded);
//Assert: Success if no exception
}
public async Task When_smaller_bucket_is_null_the_new_bucket_becomes_the_first()
{
//Arrange
var newBucket = new Mock <SyncableBucket>().Object;
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
dataCreator
.Setup(fake => fake.CreateEmptyAsync())
.ReturnsAsync(newBucket);
var testing = new LinkedSyncableBuckets(dataCreator.Object, new List <SyncableBucket>());
//Act
await testing.CreateEmptyBiggerThan(null);
//Assert
Assert.AreEqual(newBucket, testing.First());
}
public async Task Calls_DataCreator_to_create_a_new_bucket()
{
//Arrange
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
dataCreator
.Setup(fake => fake.CreateEmptyAsync())
.ReturnsAsync(new Mock <SyncableBucket>().Object);
var smallerBucket = new SyncableBucket {
Id = 32
};
var testing = new LinkedSyncableBuckets(dataCreator.Object, new[] { smallerBucket });
//Act
await testing.CreateEmptyBiggerThan(smallerBucket);
//Assert
dataCreator.Verify(mock => mock.CreateEmptyAsync(), Times.Once);
}
public async Task When_a_smaller_bucket_is_given_that_one_gets_the_new_as_NextBiggerBucket()
{
//Arrange
var newBucket = new Mock <SyncableBucket>().Object;
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
dataCreator
.Setup(fake => fake.CreateEmptyAsync())
.ReturnsAsync(newBucket);
var smallerBucket = new SyncableBucket {
Id = 278
};
var testing = new LinkedSyncableBuckets(dataCreator.Object, new[] { smallerBucket });
//Act
await testing.CreateEmptyBiggerThan(smallerBucket);
//Assert
Assert.AreEqual(newBucket, smallerBucket.NextBiggerBucket);
}
public async Task Throws_InvalidOperationException_if_supplied_bucket_is_not_in_the_collection()
{
//Arrange
var newBucket = new Mock <SyncableBucket>();
var dataCreator = new Mock <IDataCreator <SyncableBucket> >();
dataCreator
.Setup(fake => fake.CreateEmptyAsync())
.ReturnsAsync(newBucket.Object);
var testing = new LinkedSyncableBuckets(dataCreator.Object, new[] { new Mock <SyncableBucket>().Object });
//Act & Assert
await Assert.ThrowsExceptionAsync <InvalidOperationException>(async() => await testing.CreateEmptyBiggerThan(new Mock <SyncableBucket>().Object));
}
