public void StoresTransmissionWhenBufferIsFull() { Transmission storedTransmission = null; var storage = new StubTransmissionStorage { OnEnqueue = transmission => { storedTransmission = transmission; return false; } }; var sender = new StubTransmissionSender { OnEnqueue = t => false }; var buffer = new StubTransmissionBuffer { OnEnqueue = t => false }; Transmitter transmitter = CreateTransmitter(sender: sender, buffer: buffer, storage: storage); var enqueuedTransmission = new StubTransmission(); transmitter.Enqueue(enqueuedTransmission); Assert.Same(enqueuedTransmission, storedTransmission); }
public void MovesOldestTransmissionFromStorageToBuffer() { var previouslyStoredTransmissions = new List<Transmission> { new StubTransmission(), new StubTransmission() }; int storageIndex = 0; var storage = new StubTransmissionStorage { OnDequeue = () => { if (storageIndex < previouslyStoredTransmissions.Count) { return previouslyStoredTransmissions[storageIndex++]; } return null; } }; var newlyBufferedTransmissions = new List<Transmission>(); var buffer = new StubTransmissionBuffer { OnEnqueue = getTransmission => { var transmission = getTransmission(); if (transmission != null) { newlyBufferedTransmissions.Add(transmission); return true; } return false; } }; var sender = new StubTransmissionSender(); Transmitter queue = CreateTransmitter(sender: sender, buffer: buffer, storage: storage); buffer.OnTransmissionDequeued(new TransmissionProcessedEventArgs(null)); Assert.Equal(previouslyStoredTransmissions, newlyBufferedTransmissions); }
public void MovesTransmissionsFromStorageToBufferWhenBufferCapacityIsGreaterThanZero() { var storedTransmission = new StubTransmission(); var storage = new StubTransmissionStorage(); storage.Enqueue(() => storedTransmission); var buffer = new TransmissionBuffer(); var policy = new StubTransmissionPolicy(); policy.MaxBufferCapacity = 0; Transmitter transmitter = CreateTransmitter(buffer: buffer, storage: storage, policies: new[] { policy }); policy.MaxBufferCapacity = 1; policy.Apply(); Transmission bufferedTransmission = buffer.Dequeue(); Assert.Same(storedTransmission, bufferedTransmission); }
public void MovesTransmissionsFromBufferToStorageWhenBufferCapacityIsZero() { var storage = new StubTransmissionStorage { Capacity = 1 }; var bufferedTransmission = new StubTransmission(); var buffer = new TransmissionBuffer(); storage.Enqueue(() => bufferedTransmission); var policy = new StubTransmissionPolicy(); policy.MaxBufferCapacity = 1; Transmitter transmitter = CreateTransmitter(buffer: buffer, storage: storage, policies: new[] { policy }); policy.MaxBufferCapacity = 0; policy.Apply(); Transmission storedTransmission = storage.Dequeue(); Assert.Same(bufferedTransmission, storedTransmission); }
public void DoesNotMoveTransmissionsFromStorageToSenderWhenBufferIsNotEmptyToPreserveQueueOrder() { var storedTransmission = new StubTransmission(); var storage = new StubTransmissionStorage(); storage.Enqueue(() => storedTransmission); var buffer = new StubTransmissionBuffer { OnGetSize = () => 1 }; var sentTransmissions = new List<Transmission>(); StubTransmissionSender sender = CreateSender(sentTransmissions); sender.OnGetCapacity = () => 1; Transmitter transmitter = CreateTransmitter(sender, buffer, storage); transmitter.ApplyPolicies(); Assert.DoesNotContain(storedTransmission, sentTransmissions); }
public void EmptiesBufferIfCapacityIsZero() { //// We set capacity to 0 and clear the cache when DC responds with 439. var buffer = new StubTransmissionBuffer(); buffer.Enqueue(() => new StubTransmission()); var storage = new StubTransmissionStorage(); storage.Enqueue(() => new StubTransmission()); var sender = new StubTransmissionSender(); sender.Enqueue(() => new StubTransmission()); var policy = new StubTransmissionPolicy(); policy.MaxStorageCapacity = 0; Transmitter transmitter = CreateTransmitter(sender, buffer, storage, new[] { policy }); policy.Apply(); Assert.Equal(0, storage.Queue.Count); }
public void RestoresOriginalComponentCapacityWhenPolicyIsNoLongerApplicable() { var sender = new StubTransmissionSender { Capacity = 1 }; var buffer = new StubTransmissionBuffer { Capacity = 10 }; var storage = new StubTransmissionStorage { Capacity = 100 }; var policy = new StubTransmissionPolicy() { MaxSenderCapacity = 0, MaxBufferCapacity = 0, MaxStorageCapacity = 0, }; Transmitter transmitter = CreateTransmitter(sender, buffer, storage, new[] { policy }); policy.MaxSenderCapacity = null; policy.MaxBufferCapacity = null; policy.MaxStorageCapacity = null; policy.Apply(); Assert.Equal(1, sender.Capacity); Assert.Equal(10, buffer.Capacity); Assert.Equal(100, storage.Capacity); }
public void MovesTransmissionsFromStorageToSenderToAvoidWaitingUntilBufferIsFullBeforeSendingStarts() { var storedTransmission = new StubTransmission(); var storage = new StubTransmissionStorage(); storage.Enqueue(() => storedTransmission); var buffer = new StubTransmissionBuffer(); var sentTransmissions = new List<Transmission>(); StubTransmissionSender sender = CreateSender(sentTransmissions); sender.OnGetCapacity = () => 1; Transmitter transmitter = CreateTransmitter(sender, buffer, storage); transmitter.ApplyPolicies(); Assert.Contains(storedTransmission, sentTransmissions); }
public void SetsStorageCapacityToMinValueReturnedByTransmissionPolicies() { var storage = new StubTransmissionStorage(); var policies = new[] { new StubTransmissionPolicy { MaxStorageCapacity = 4 }, new StubTransmissionPolicy { MaxStorageCapacity = 2 }, }; Transmitter transmitter = CreateTransmitter(storage: storage, policies: policies); transmitter.ApplyPolicies(); Assert.Equal(2, storage.Capacity); }
public void DoesNotChangeComponentCapacityIfNoneOfPoliciesAreApplicable() { var sender = new StubTransmissionSender { Capacity = 1 }; var buffer = new StubTransmissionBuffer { Capacity = 10 }; var storage = new StubTransmissionStorage { Capacity = 100 }; var policies = new[] { new StubTransmissionPolicy() }; Transmitter transmitter = CreateTransmitter(sender, buffer, storage, policies: policies); Assert.Equal(1, sender.Capacity); Assert.Equal(10, buffer.Capacity); Assert.Equal(100, storage.Capacity); }
public void InitializeCallsStorageInitialize() { IApplicationFolderProvider provider = null; var storage = new StubTransmissionStorage(); storage.OnInitialize = _ => provider = _; Transmitter transmitter = CreateTransmitter(null, null, storage); transmitter.Initialize(); Assert.NotNull(provider); }
public void DoesNotChangeCurrentStorageCapacityWhenOverridingPolicyIsInEffect() { var storage = new StubTransmissionStorage(); var policy = new StubTransmissionPolicy { MaxStorageCapacity = 0 }; Transmitter transmitter = CreateTransmitter(storage: storage, policies: new[] { policy }); policy.Apply(); transmitter.MaxStorageCapacity = 42; Assert.Equal(0, storage.Capacity); }
public void ChangesCurrentTransmissionStorageCapacityImmediatelyWhenNoOverridingPoliciesAreInEffect() { var storage = new StubTransmissionStorage(); Transmitter transmitter = CreateTransmitter(storage: storage); transmitter.ApplyPolicies(); transmitter.MaxStorageCapacity = 42; Assert.Equal(42, storage.Capacity); }
public void ReturnsMaximumTransmissionStorageCapacityRegardlessOfPolicyInEffect() { var storage = new StubTransmissionStorage { Capacity = 42 }; var policy = new StubTransmissionPolicy { MaxStorageCapacity = 0 }; Transmitter transmitter = CreateTransmitter(storage: storage, policies: new[] { policy }); policy.Apply(); Assert.Equal(42, transmitter.MaxStorageCapacity); }
public void ReturnsCurrentTransmissionStorageCapacityByDefault() { var storage = new StubTransmissionStorage { Capacity = 42 }; Transmitter transmitter = CreateTransmitter(storage: storage); Assert.Equal(42, transmitter.MaxStorageCapacity); }