public void ExecuteAsync_IfBlobHasChanged_NotifiesWatcherAndReturnsSuccessResult()
{
// Arrange
string functionId = "FunctionId";
string eTag = TouchBlob(TestContainerName, TestBlobName);
Mock <IBlobWrittenWatcher> mock = new Mock <IBlobWrittenWatcher>(MockBehavior.Strict);
mock.Setup(w => w.Notify(It.IsAny <BlobWithContainer <BlobBaseClient> >()))
.Verifiable();
IBlobWrittenWatcher blobWrittenWatcher = mock.Object;
BlobQueueTriggerExecutor product = CreateProductUnderTest(null, blobWrittenWatcher);
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobServiceClient = _blobServiceClient,
Executor = CreateDummyTriggeredFunctionExecutor()
};
product.Register(functionId, registration);
var message = CreateMessage(functionId, "OriginalETag");
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
task.WaitUntilCompleted();
mock.Verify();
Assert.True(task.Result.Succeeded);
}
public void ExecuteAsync_IfBlobHasBeenDeleted_ReturnsSuccessResult()
{
// Arrange
string functionId = "FunctionId";
// by default, Blob doesn't exist in the fake account, so it's as if it were deleted.
BlobQueueTriggerExecutor product = CreateProductUnderTest();
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobServiceClient = _blobServiceClient,
Executor = CreateDummyTriggeredFunctionExecutor()
};
product.Register(functionId, registration);
var message = CreateMessage(functionId, "OriginalETag");
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.True(task.Result.Succeeded);
// Validate log is written
var logMessage = _loggerProvider.GetAllLogMessages().Single();
Assert.AreEqual("BlobNotFound", logMessage.EventId.Name);
Assert.AreEqual(LogLevel.Debug, logMessage.Level);
Assert.AreEqual(3, logMessage.State.Count());
Assert.AreEqual(TestBlobName, logMessage.GetStateValue <string>("blobName"));
Assert.AreEqual(TestQueueMessageId, logMessage.GetStateValue <string>("queueMessageId"));
Assert.True(!string.IsNullOrWhiteSpace(logMessage.GetStateValue <string>("{OriginalFormat}")));
}
public void ExecuteAsync_IfInnerExecutorFails_ReturnsFailureResult()
{
// Arrange
string functionId = "FunctionId";
string matchingETag = TouchBlob(TestContainerName, TestBlobName);
IBlobCausalityReader causalityReader = CreateStubCausalityReader();
FunctionResult expectedResult = new FunctionResult(false);
Mock <ITriggeredFunctionExecutor> mock = new Mock <ITriggeredFunctionExecutor>(MockBehavior.Strict);
mock.Setup(e => e.TryExecuteAsync(
It.IsAny <TriggeredFunctionData>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(expectedResult)
.Verifiable();
BlobQueueTriggerExecutor product = CreateProductUnderTest(causalityReader);
ITriggeredFunctionExecutor innerExecutor = mock.Object;
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobServiceClient = _blobServiceClient,
Executor = innerExecutor
};
product.Register(functionId, registration);
var message = CreateMessage(functionId, matchingETag);
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.False(task.Result.Succeeded);
}
public void ExecuteAsync_IfInnerExecutorFails_ReturnsFailureResult()
{
// Arrange
string functionId = "FunctionId";
string matchingETag = "ETag";
IBlobETagReader eTagReader = CreateStubETagReader(matchingETag);
IBlobCausalityReader causalityReader = CreateStubCausalityReader();
FunctionResult expectedResult = new FunctionResult(false);
Mock <ITriggeredFunctionExecutor> mock = new Mock <ITriggeredFunctionExecutor>(MockBehavior.Strict);
mock.Setup(e => e.TryExecuteAsync(
It.IsAny <TriggeredFunctionData>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(expectedResult)
.Verifiable();
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader, causalityReader);
ITriggeredFunctionExecutor innerExecutor = mock.Object;
product.Register(functionId, innerExecutor);
IStorageQueueMessage message = CreateMessage(functionId, matchingETag);
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.False(task.Result.Succeeded);
}
public void ExecuteAsync_IfBlobIsUnchanged_CallsInnerExecutor()
{
// Arrange
string functionId = "FunctionId";
string matchingETag = "ETag";
Guid expectedParentId = Guid.NewGuid();
IBlobETagReader eTagReader = CreateStubETagReader(matchingETag);
IBlobCausalityReader causalityReader = CreateStubCausalityReader(expectedParentId);
Mock <IFunctionExecutor> mock = new Mock <IFunctionExecutor>(MockBehavior.Strict);
mock.Setup(e => e.TryExecuteAsync(It.Is <IFunctionInstance>(f => f.ParentId == expectedParentId),
It.IsAny <CancellationToken>()))
.Returns(Task.FromResult <IDelayedException>(null))
.Verifiable();
IFunctionExecutor innerExecutor = mock.Object;
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader, causalityReader, innerExecutor);
product.Register(functionId, CreateFakeInstanceFactory());
IStorageQueueMessage message = CreateMessage(functionId, matchingETag);
// Act
Task <bool> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
task.WaitUntilCompleted();
mock.Verify();
}
public void ExecuteAsync_IfBlobHasChanged_NotifiesWatcherAndReturnsSuccessResult()
{
// Arrange
string functionId = "FunctionId";
IBlobETagReader eTagReader = CreateStubETagReader("NewETag");
Mock <IBlobWrittenWatcher> mock = new Mock <IBlobWrittenWatcher>(MockBehavior.Strict);
mock.Setup(w => w.Notify(It.IsAny <IStorageBlob>()))
.Verifiable();
IBlobWrittenWatcher blobWrittenWatcher = mock.Object;
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader, blobWrittenWatcher);
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobClient = CreateClient(),
Executor = CreateDummyTriggeredFunctionExecutor()
};
product.Register(functionId, registration);
IStorageQueueMessage message = CreateMessage(functionId, "OriginalETag");
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
task.WaitUntilCompleted();
mock.Verify();
Assert.True(task.Result.Succeeded);
}
public void ExecuteAsync_IfBlobHasBeenDeleted_ReturnsSuccessResult()
{
// Arrange
var account = new FakeAccount();
string functionId = "FunctionId";
// by default, Blob doesn't exist in the fake account, so it's as if it were deleted.
BlobQueueTriggerExecutor product = CreateProductUnderTest();
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobClient = account.CreateCloudBlobClient(),
Executor = CreateDummyTriggeredFunctionExecutor()
};
product.Register(functionId, registration);
var message = CreateMessage(functionId, "OriginalETag");
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.True(task.Result.Succeeded);
}
public void ExecuteAsync_IfMessageIsFunctionIdIsRegistered_GetsETag(BlobType expectedBlobType)
{
// Arrange
string expectedContainerName = "container";
string expectedBlobName = TestBlobName;
string functionId = "FunctionId";
Mock <IBlobETagReader> mock = new Mock <IBlobETagReader>(MockBehavior.Strict);
mock.Setup(r => r.GetETagAsync(It.Is <IStorageBlob>(b => b.BlobType == (StorageBlobType)expectedBlobType &&
b.Name == expectedBlobName && b.Container.Name == expectedContainerName),
It.IsAny <CancellationToken>()))
.Returns(Task.FromResult("ETag"))
.Verifiable();
IBlobETagReader eTagReader = mock.Object;
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader);
product.Register(functionId, CreateDummyTriggeredFunctionExecutor());
BlobTriggerMessage triggerMessage = new BlobTriggerMessage
{
FunctionId = functionId,
BlobType = (StorageBlobType)expectedBlobType,
ContainerName = expectedContainerName,
BlobName = expectedBlobName,
ETag = "OriginalETag"
};
IStorageQueueMessage message = CreateMessage(triggerMessage);
// Act
Task task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
task.WaitUntilCompleted();
mock.Verify();
}
public void ExecuteAsync_IfMessageIsFunctionIdIsNotRegistered_ReturnsSuccessResult()
{
// Arrange
BlobQueueTriggerExecutor product = CreateProductUnderTest();
var message = CreateMessage(new BlobTriggerMessage {
BlobName = TestBlobName, FunctionId = "Missing"
});
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.True(task.Result.Succeeded);
// Validate log is written
var logMessage = _loggerProvider.GetAllLogMessages().Single();
Assert.AreEqual("FunctionNotFound", logMessage.EventId.Name);
Assert.AreEqual(LogLevel.Debug, logMessage.Level);
Assert.AreEqual(4, logMessage.State.Count());
Assert.AreEqual(TestBlobName, logMessage.GetStateValue <string>("blobName"));
Assert.AreEqual("Missing", logMessage.GetStateValue <string>("functionName"));
Assert.AreEqual(TestQueueMessageId, logMessage.GetStateValue <string>("queueMessageId"));
Assert.True(!string.IsNullOrWhiteSpace(logMessage.GetStateValue <string>("{OriginalFormat}")));
}
public void ExecuteAsync_IfMessageIsNotJson_Throws()
{
// Arrange
BlobQueueTriggerExecutor product = CreateProductUnderTest();
var message = CreateMessage("ThisIsNotValidJson");
// Act
Task task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.Throws <JsonReaderException>(() => task.GetAwaiter().GetResult());
}
public void ExecuteAsync_IfFunctionIdIsNull_Throws()
{
// Arrange
BlobQueueTriggerExecutor product = CreateProductUnderTest();
var message = CreateMessage("{}");
// Act
Task task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
ExceptionAssert.ThrowsInvalidOperation(() => task.GetAwaiter().GetResult(), "Invalid function ID.");
}
public void ExecuteAsync_IfMessageIsJsonNull_Throws()
{
// Arrange
BlobQueueTriggerExecutor product = CreateProductUnderTest();
IStorageQueueMessage message = CreateMessage("null");
// Act
Task task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
ExceptionAssert.ThrowsInvalidOperation(() => task.GetAwaiter().GetResult(),
"Invalid blob trigger message.");
}
public void ExecuteAsync_IfMessageIsFunctionIdIsNotRegistered_ReturnsSuccessResult()
{
// Arrange
BlobQueueTriggerExecutor product = CreateProductUnderTest();
IStorageQueueMessage message = CreateMessage(new BlobTriggerMessage {
FunctionId = "Missing"
});
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.True(task.Result.Succeeded);
}
public async Task ExecuteAsync_IfBlobIsUnchanged_CallsInnerExecutor()
{
// Arrange
var account = new FakeAccount();
string functionId = "FunctionId";
string matchingETag = "ETag";
Guid expectedParentId = Guid.NewGuid();
var message = CreateMessage(functionId, matchingETag);
SetEtag(account, TestContainerName, TestBlobName, matchingETag);
IBlobCausalityReader causalityReader = CreateStubCausalityReader(expectedParentId);
FunctionResult expectedResult = new FunctionResult(true);
Mock <ITriggeredFunctionExecutor> mock = new Mock <ITriggeredFunctionExecutor>(MockBehavior.Strict);
mock.Setup(e => e.TryExecuteAsync(It.IsAny <TriggeredFunctionData>(), It.IsAny <CancellationToken>()))
.Callback <TriggeredFunctionData, CancellationToken>(
(mockInput, mockCancellationToken) =>
{
Assert.Equal(expectedParentId, mockInput.ParentId);
var resultBlob = (ICloudBlob)mockInput.TriggerValue;
Assert.Equal(TestBlobName, resultBlob.Name);
})
.ReturnsAsync(expectedResult)
.Verifiable();
ITriggeredFunctionExecutor innerExecutor = mock.Object;
BlobQueueTriggerExecutor product = CreateProductUnderTest(causalityReader);
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobClient = account.CreateCloudBlobClient(),
Executor = innerExecutor
};
product.Register(functionId, registration);
// Act
FunctionResult result = await product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.Same(expectedResult, result);
mock.Verify();
}
public void ExecuteAsync_IfBlobHasBeenDeleted_ReturnsSuccessResult()
{
// Arrange
string functionId = "FunctionId";
IBlobETagReader eTagReader = CreateStubETagReader(null);
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader);
product.Register(functionId, CreateDummyTriggeredFunctionExecutor());
IStorageQueueMessage message = CreateMessage(functionId, "OriginalETag");
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.True(task.Result.Succeeded);
}
public void ExecuteAsync_IfInnerExecutorFails_ReturnsFalse()
{
// Arrange
string functionId = "FunctionId";
string matchingETag = "ETag";
IBlobETagReader eTagReader = CreateStubETagReader(matchingETag);
IBlobCausalityReader causalityReader = CreateStubCausalityReader();
IFunctionExecutor innerExecutor = CreateStubInnerExecutor(CreateDummyDelayedException());
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader, causalityReader, innerExecutor);
product.Register(functionId, CreateFakeInstanceFactory());
IStorageQueueMessage message = CreateMessage(functionId, matchingETag);
// Act
Task <bool> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.False(task.Result);
}
public void ExecuteAsync_IfInnerExecutorSucceeds_ReturnsSuccessResult()
{
// Arrange
var account = new FakeAccount();
string functionId = "FunctionId";
string matchingETag = "ETag";
SetEtag(account, TestContainerName, TestBlobName, matchingETag);
IBlobCausalityReader causalityReader = CreateStubCausalityReader();
FunctionResult expectedResult = new FunctionResult(true);
Mock <ITriggeredFunctionExecutor> mock = new Mock <ITriggeredFunctionExecutor>(MockBehavior.Strict);
mock.Setup(e => e.TryExecuteAsync(
It.IsAny <TriggeredFunctionData>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(expectedResult)
.Verifiable();
BlobQueueTriggerExecutor product = CreateProductUnderTest(causalityReader);
ITriggeredFunctionExecutor innerExecutor = mock.Object;
BlobQueueRegistration registration = new BlobQueueRegistration
{
BlobClient = account.CreateCloudBlobClient(),
Executor = innerExecutor
};
product.Register(functionId, registration);
var message = CreateMessage(functionId, matchingETag);
// Act
Task <FunctionResult> task = product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.Same(expectedResult, task.Result);
}
public async Task ExecuteAsync_IfBlobIsUnchanged_CallsInnerExecutor()
{
// Arrange
string functionId = "FunctionId";
string matchingETag = "ETag";
Guid expectedParentId = Guid.NewGuid();
IStorageQueueMessage message = CreateMessage(functionId, matchingETag);
IBlobETagReader eTagReader = CreateStubETagReader(matchingETag);
IBlobCausalityReader causalityReader = CreateStubCausalityReader(expectedParentId);
FunctionResult expectedResult = new FunctionResult(true);
Mock <ITriggeredFunctionExecutor> mock = new Mock <ITriggeredFunctionExecutor>(MockBehavior.Strict);
mock.Setup(e => e.TryExecuteAsync(It.IsAny <TriggeredFunctionData>(), It.IsAny <CancellationToken>()))
.Callback <TriggeredFunctionData, CancellationToken>(
(mockInput, mockCancellationToken) =>
{
Assert.Equal(expectedParentId, mockInput.ParentId);
StorageBlockBlob resultBlob = (StorageBlockBlob)mockInput.TriggerValue;
Assert.Equal(TestBlobName, resultBlob.Name);
})
.ReturnsAsync(expectedResult)
.Verifiable();
ITriggeredFunctionExecutor innerExecutor = mock.Object;
BlobQueueTriggerExecutor product = CreateProductUnderTest(eTagReader, causalityReader);
product.Register(functionId, innerExecutor);
// Act
FunctionResult result = await product.ExecuteAsync(message, CancellationToken.None);
// Assert
Assert.Same(expectedResult, result);
mock.Verify();
}
