public void HttpSocketAdapter_ReadsContentIntoResponseHandler()
{
// Arrange
MockSocketAdapter serverSocket = new MockSocketAdapter();
serverSocket.SendString("HTTP/1.1 200 OK\r\n", Encoding.ASCII);
serverSocket.SendString("Content-Length: 40\r\n\r\n", Encoding.ASCII);
serverSocket.SendString("1234567890", Encoding.Unicode);
HttpSocketAdapter clientSocket = new HttpSocketAdapter("GET", new Uri("http://bing.com"), serverSocket);
MockResponseHandler handler = new MockResponseHandler(Encoding.Unicode);
// Act
clientSocket.SetResponseHandler(handler.HandlerMethod);
// Assert
Assert.Equal("1234567890", handler.Response);
// Act
Task responseComplete = clientSocket.WaitForResponseComplete();
// Assert
TaskAssert.NotCompleted(responseComplete, "After sending first chunk of data");
// Act - Send too much data to complete Content-Length
serverSocket.SendString("abcdefghijklmnopqrstuvwxyz", Encoding.Unicode);
// Assert - Only Content-Length was read
Assert.Equal("1234567890abcdefghij", handler.Response);
TaskAssert.Completed(responseComplete, "After sending remaining data");
}
public void SocketReader_ReadLine_WaitsForMoreDataWhenLineIncomplete()
{
// Arrange
MockSocketAdapter socket = new MockSocketAdapter();
SocketReader reader = new SocketReader(socket);
// Act
Task <string> result = reader.ReadLine(_dontCancel);
// Assert
TaskAssert.NotCompleted(result, "Before sending data.");
// Act
socket.SendString("This is the first part of the string. ", Encoding.ASCII);
// Assert
TaskAssert.NotCompleted(result, "After sending first sentence.");
// Act
socket.SendString("This is the second part of the string.\r", Encoding.ASCII);
// Assert
TaskAssert.NotCompleted(result, "After sending second sentence.");
// Act
socket.SendString("\nThis is an extra, third sentence.\r\n", Encoding.ASCII);
// Assert
TaskAssert.ResultEquals(result, "This is the first part of the string. This is the second part of the string.", "After sending data.");
}
public void SocketReader_ReadBytesIntoResponseHandler_WaitsForData()
{
// Arrange
MockSocketAdapter socket = new MockSocketAdapter();
MockResponseHandler handler = new MockResponseHandler(Encoding.Unicode);
SocketReader reader = new SocketReader(socket);
// Act
Task <int> result = reader.ReadBytesIntoResponseHandler(30, handler.HandlerMethod, _dontCancel);
// Assert
TaskAssert.NotCompleted(result, "Before any data sent");
// Act
socket.SendString("This is ", Encoding.Unicode);
// Assert
TaskAssert.NotCompleted(result, "After some data sent");
// Act
socket.SendString("a test. And then some.", Encoding.Unicode);
// Assert
TaskAssert.ResultEquals(result, 30, "After all data sent");
Assert.Equal("This is a test.", handler.Response);
}
public void ScriptInjectionFilterStream_BecomesPassthroughOnTimeout()
{
// Arrange
MockSocketAdapter serverSocket = new MockSocketAdapter();
MockScriptInjectionFilterContext filterContext = new MockScriptInjectionFilterContext();
ScriptInjectionFilterStream filterStream = CreateFilterStream(serverSocket, filterContext);
byte[] bytesToSend = Encoding.UTF8.GetBytes("<html><head></head><body></body></html>");
// Act I - Send some bytes
Task writeTask = filterStream.WriteAsync(bytesToSend, 0, 20);
// Assert
TaskAssert.NotCompleted(writeTask, "Should be waiting for server to respond");
// Act II - Wait for the request to time out
System.Threading.Thread.Sleep(1100);
// Assert
TaskAssert.Completed(writeTask, "Write should complete when server fails to respond");
Assert.True(serverSocket.IsClosed, "Should become passthrough");
Assert.Equal("<html><head></head><", filterContext.GetResponseBody(Encoding.UTF8));
AssertWithMessage.Equal(true, filterStream.ScriptInjectionTimedOut, "ScriptInjectionTimedOut");
}
public void SocketReader_ReadBytesIntoResponseHandler_WaitsForHandlerToComplete()
{
// Arrange
MockSocketAdapter socket = new MockSocketAdapter();
socket.SendString("This is a test. This sentence isn't read.", Encoding.UTF8);
MockResponseHandler handler = new MockResponseHandler(Encoding.UTF8);
handler.Block = true;
SocketReader reader = new SocketReader(socket);
// Act
Task <int> result = reader.ReadBytesIntoResponseHandler(15, handler.HandlerMethod, _dontCancel);
// Assert
TaskAssert.NotCompleted(result, "Before handler is unblocked.");
// Act
handler.Block = false;
// Assert
TaskAssert.ResultEquals(result, 15, "After handler is unblocked.");
Assert.Equal("This is a test.", handler.Response);
}
public void HttpSocketAdapter_ReadsChunkedContentIntoResponseHandler()
{
// Arrange
MockSocketAdapter serverSocket = new MockSocketAdapter();
serverSocket.SendString("HTTP/1.1 200 OK\r\n", Encoding.ASCII);
serverSocket.SendString("Transfer-Encoding: chunked\r\n\r\n", Encoding.ASCII);
HttpSocketAdapter clientSocket = new HttpSocketAdapter("GET", new Uri("http://bing.com"), serverSocket);
MockResponseHandler handler = new MockResponseHandler(Encoding.ASCII);
// Act
clientSocket.SetResponseHandler(handler.HandlerMethod);
// Assert
Assert.Equal("", handler.Response);
// Act
serverSocket.SendString("C\r\nHello, world\r\n", Encoding.ASCII);
// Assert
Assert.Equal("Hello, world", handler.Response);
// Act
Task responseComplete = clientSocket.WaitForResponseComplete();
// Assert
TaskAssert.NotCompleted(responseComplete, "After sending 'Hello, World'");
// Act
serverSocket.SendString("8\r\nwide", Encoding.ASCII);
// Assert
Assert.Equal("Hello, worldwide", handler.Response);
TaskAssert.NotCompleted(responseComplete, "After sending 'wide'");
// Act
serverSocket.SendString("!!\r\n", Encoding.ASCII);
// Assert
Assert.Equal("Hello, worldwide!!\r\n", handler.Response);
TaskAssert.NotCompleted(responseComplete, "after sending '!!\r\n'");
// Act
serverSocket.SendString("\r\n", Encoding.ASCII);
// Assert
Assert.Equal("Hello, worldwide!!\r\n", handler.Response);
TaskAssert.NotCompleted(responseComplete, "after sending '\r\n'");
// Act
serverSocket.SendString("0\r\n", Encoding.ASCII);
// Assert
Assert.Equal("Hello, worldwide!!\r\n", handler.Response);
TaskAssert.Completed(responseComplete, "after completing the response");
}
public void TaskHelpers_WaitWithCancellation_DoesNotCompleteUntilTaskCompletes()
{
// Arrange
TaskCompletionSource <string> tcs = new TaskCompletionSource <string>();
CancellationTokenSource cts = new CancellationTokenSource();
// Act
Task <string> result = TaskHelpers.WaitWithCancellation(tcs.Task, cts.Token, null);
// Assert
TaskAssert.NotCompleted(result);
}
public void SendResponseHeader(string name, string value)
{
TaskCompletionSource <string> tcs;
if (!_responseHeaderRequests.TryGetValue(name, out tcs))
{
tcs = new TaskCompletionSource <string>();
_responseHeaderRequests[name] = tcs;
}
TaskAssert.NotCompleted(tcs.Task, "MockHttpSocketAdapter: Response header '{0}' can only be set once.", name);
tcs.SetResult(value);
}
public void RevolvingBuffers_WaitForBufferEmptyAsync_WaitsAfterDataHasBeenWritten()
{
// Arrange
char[] data = "Hello, world!".ToArray();
RevolvingBuffers <char> buffers = new RevolvingBuffers <char>(20);
buffers.CopyDataToBuffer(data, 0, 2);
// Act
Task task = buffers.WaitForBufferEmptyAsync();
// Assert
TaskAssert.NotCompleted(task, "Task should not be completed until data is read.");
}
public void RevolvingBuffers_WaitForBufferEmptyAsync_WaitsWhileBufferIsRead()
{
// Arrange
char[] data = "Hello, world!".ToArray();
RevolvingBuffers <char> buffers = new RevolvingBuffers <char>(20);
buffers.CopyDataToBuffer(data, 0, 2);
Task task = buffers.WaitForBufferEmptyAsync();
// Act
buffers.GetBufferedData(); // Read the buffer
// Assert
TaskAssert.NotCompleted(task, "Task should not be completed until buffer is released.");
}
public void SocketReader_ReadChar_KeepsWaitingIfNotEnoughDataIsReturned()
{
// Arrange
byte[] sendBuffer = Encoding.UTF32.GetBytes("ΨΣ"); // Greek Psi, Sigma
MockSocketAdapter socket = new MockSocketAdapter();
SocketReader reader = new SocketReader(socket);
reader.SetEncoding(Encoding.UTF32);
// Act
Task <char> result = reader.ReadChar(_dontCancel); // Try to read first character
// Assert
TaskAssert.NotCompleted(result, "Before sending any bytes");
// Act
socket.SendBytes(sendBuffer, 0, 1); // Send 1 byte
// Assert
TaskAssert.NotCompleted(result, "After sending 1 byte");
// Act
socket.SendBytes(sendBuffer, 1, 2); // Send 2 more bytes
// Assert
TaskAssert.NotCompleted(result, "After sending 2 more bytes");
// Act
socket.SendBytes(sendBuffer, 3, 2); // Send 2 more bytes
// Assert
TaskAssert.ResultEquals(result, 'Ψ', "After sending all bytes of first character.");
// Act
result = reader.ReadChar(_dontCancel); // Try to read second character
// Assert
TaskAssert.NotCompleted(result, "Before sending remaining bytes");
// Act
socket.SendBytes(sendBuffer, 5, 3); // Send remaining 3 bytes
// Assert
TaskAssert.ResultEquals(result, 'Σ', "After sending remaining bytes");
}
public void ScriptInjectionFilterStream_CompleteFilterProcess()
{
// Arrange
MockSocketAdapter serverSocket = new MockSocketAdapter();
MockScriptInjectionFilterContext filterContext = new MockScriptInjectionFilterContext();
ScriptInjectionFilterStream filterStream = CreateFilterStream(serverSocket, filterContext);
byte[] bytesToSend = Encoding.UTF8.GetBytes("<html><head></head><body></body></html>");
// Act I - Write some bytes
Task writeTask = filterStream.WriteAsync(bytesToSend, 0, 20);
// Assert
TaskAssert.NotCompleted(writeTask, "Write task should not complete until a successful response comes from the server.");
// Act Ia - Response from the server
serverSocket.SendString("HTTP/1.1 200 OK\r\n", Encoding.ASCII);
// Assert
TaskAssert.Completed(writeTask, "The write task should complete after we receive the response line from the server.");
Assert.Contains("<html><head></head><", serverSocket.SentContent);
AssertWithMessage.Equal(0, filterContext.GetResponseBody(Encoding.UTF8).Length, "No content should be sent to the response yet.");
Assert.False(serverSocket.IsClosed, "Server connection should not have been closed.");
// Act II - Write some more bytes
filterStream.Write(bytesToSend, 20, bytesToSend.Length - 20);
// Assert
Assert.Contains("body></body></html>", serverSocket.SentContent);
AssertWithMessage.Equal(0, filterContext.GetResponseBody(Encoding.UTF8).Length, "No content should be sent to the response yet.");
Assert.False(serverSocket.IsClosed, "Server connection should not have been closed.");
// Act III - Wait for complete
Task completeTask = filterStream.FlushAsync();
// Assert
TaskAssert.NotCompleted(completeTask, "Before response from server.");
// Act IV - Send response from server
serverSocket.SendString("Content-Length: 17\r\n\r\nXFiltered content", Encoding.ASCII);
// Assert
Assert.Equal("Filtered content", filterContext.GetResponseBody(Encoding.ASCII));
TaskAssert.Completed(completeTask, "After response from server.");
Assert.False(filterStream.ScriptInjectionTimedOut);
}
public void RevolvingBuffers_WaitForBufferEmptyAsync_WaitsWhileThereIsStillMoreDataToReadAsync()
{
// Arrange
char[] data = "Hello, world!".ToArray();
RevolvingBuffers <char> buffers = new RevolvingBuffers <char>(20);
buffers.CopyDataToBuffer(data, 0, data.Length);
buffers.GetBufferedData(); // Read the buffer
buffers.CopyDataToBuffer(data, 0, data.Length);
Task task = buffers.WaitForBufferEmptyAsync();
// Act
buffers.GetBufferedDataAsync(); // Release the buffer, read the next buffer
// Assert
TaskAssert.NotCompleted(task, "Task should not be completed while there is still more data.");
}
public void DelayConnectingHttpSocketAdapter_GetResponseStatusCode_ConnectsAndRequestsStatusCode()
{
// Arrange
IHttpSocketAdapter delayAdapter = new DelayConnectingHttpSocketAdapter(ConnectOnlyOnce);
// Act
Task <int> result = delayAdapter.GetResponseStatusCode();
// Assert
Assert.True(_createdAdapter != null, "Adapter was not created.");
TaskAssert.NotCompleted(result, "Status code should not be returned yet.");
// Act
_createdAdapter.SendResponseStatusCode(304);
// Assert
TaskAssert.ResultEquals(result, 304);
}
public void DelayConnectingHttpSocketAdapter_GetResponseHeader_ConnectsAndGetsHeader()
{
// Arrange
IHttpSocketAdapter delayAdapter = new DelayConnectingHttpSocketAdapter(ConnectOnlyOnce);
// Act
Task <string> result = delayAdapter.GetResponseHeader("Content-Length");
// Assert
Assert.True(_createdAdapter != null, "Adapter was not created.");
TaskAssert.NotCompleted(result, "Status code should not be returned yet.");
// Act
_createdAdapter.SendResponseHeader("Content-Length", "1234");
// Assert
TaskAssert.ResultEquals(result, "1234");
}
public void RevolvingBuffers_GetBufferedDataAsync_ReturnsEmptyBufferWhenDisposed()
{
// Arrange
RevolvingBuffers <char> buffers = new RevolvingBuffers <char>(20);
// Act
Task <ArraySegment <char> > task = buffers.GetBufferedDataAsync();
// Assert
TaskAssert.NotCompleted(task, "Task should not be completed until data is buffered.");
// Act
buffers.Dispose();
// Assert
TaskAssert.Completed(task, "Task should be completed after buffers are disposed.");
Assert.Equal("", GetString(task.Result));
}
public void DelayConnectingHttpSocketAdapter_WaitForResponseComplete_ConnectsAndWaits()
{
// Arrange
IHttpSocketAdapter delayAdapter = new DelayConnectingHttpSocketAdapter(ConnectOnlyOnce);
// Act
Task result = delayAdapter.WaitForResponseComplete();
// Assert
Assert.True(_createdAdapter != null, "Adapter was not created.");
TaskAssert.NotCompleted(result, "Status code should not be returned yet.");
// Act
_createdAdapter.SendResponseComplete();
// Assert
TaskAssert.Completed(result);
}
public void HttpSocketAdapter_GetResponseStatusCode_ReturnsStatusCode()
{
// Arrange
MockSocketAdapter serverSocket = new MockSocketAdapter();
HttpSocketAdapter clientSocket = new HttpSocketAdapter("GET", new Uri("http://bing.com"), serverSocket);
// Act
Task <int> result = clientSocket.GetResponseStatusCode();
// Assert
TaskAssert.NotCompleted(result, "Before status line was sent.");
// Act
serverSocket.SendString("HTTP/1.1 200 OK\r\n", Encoding.ASCII);
// Assert
TaskAssert.ResultEquals(result, 200, "After status line was sent.");
}
public void SocketReader_ReadLine_WaitsForDataReadingOneLine()
{
// Arrange
MockSocketAdapter socket = new MockSocketAdapter();
SocketReader reader = new SocketReader(socket);
// Act
Task <string> result = reader.ReadLine(_dontCancel);
// Assert
TaskAssert.NotCompleted(result, "Before sending data.");
// Act
socket.SendString("This is a test.\r\n", Encoding.ASCII);
// Assert
TaskAssert.ResultEquals(result, "This is a test.", "After sending data.");
}
public void RevolvingBuffers_GetBufferedDataAsync_WaitsForBufferedData()
{
// Arrange
char[] data = "Hello, world!".ToArray();
RevolvingBuffers <char> buffers = new RevolvingBuffers <char>(20);
// Act
Task <ArraySegment <char> > task = buffers.GetBufferedDataAsync();
// Assert
TaskAssert.NotCompleted(task, "Task should not be completed until data is buffered.");
// Act
buffers.CopyDataToBuffer(data, 0, data.Length);
// Assert
TaskAssert.Completed(task, "Task should be completed after data is buffered.");
Assert.Equal("Hello, world!", GetString(task.Result));
}
public void SocketReader_ReadChar_WaitsForDataReadingOneCharacter()
{
// Arrange
MockSocketAdapter socket = new MockSocketAdapter();
SocketReader reader = new SocketReader(socket);
reader.SetEncoding(Encoding.Unicode);
// Act
Task <char> result = reader.ReadChar(_dontCancel);
// Assert
TaskAssert.NotCompleted(result, "Before sending data");
// Act
socket.SendString("ab", Encoding.Unicode);
// Assert
TaskAssert.ResultEquals(result, 'a', "After sending data");
}
public void SocketReader_ReadBytesIntoResponseHandler_ContinuesWaitingForBytes()
{
// Arrange
string stringToSend = "123456789";
byte[] bufferToSend = Encoding.ASCII.GetBytes(stringToSend);
MockSocketAdapter socket = new MockSocketAdapter();
socket.SendBytes(bufferToSend, 0, bufferToSend.Length);
MockResponseHandler handler = new MockResponseHandler(Encoding.ASCII);
SocketReader reader = new SocketReader(socket);
// Act
Task <int> task = reader.ReadBytesIntoResponseHandler(bufferToSend.Length + 1, handler.HandlerMethod, _dontCancel);
// Assert
TaskAssert.NotCompleted(task);
}
public void HttpSocketAdapter_GetResponseHeader_ReturnsHeaderWhenAvailable()
{
// Arrange
MockSocketAdapter serverSocket = new MockSocketAdapter();
serverSocket.SendString("HTTP/1.1 200 OK\r\n", Encoding.ASCII);
HttpSocketAdapter clientSocket = new HttpSocketAdapter("GET", new Uri("http://bing.com"), serverSocket);
// Act
Task <string> result = clientSocket.GetResponseHeader("content-encoding");
// Assert
TaskAssert.NotCompleted(result, "Before header sent");
// Act
serverSocket.SendString("Content-Encoding: UTF-16\r\n", Encoding.ASCII);
// Assert
TaskAssert.NotCompleted(result, "Header values should not be returned until all headers are read.");
// Act - Blank newline means end of headers
serverSocket.SendString("Content-Length: 45\r\n\r\n", Encoding.ASCII);
// Assert
TaskAssert.ResultEquals(result, "UTF-16");
// Act
Task <string> result2 = clientSocket.GetResponseHeader("content-length");
// Assert
TaskAssert.ResultEquals(result2, "45");
// Act
Task <string> result3 = clientSocket.GetResponseHeader("user-agent");
// Assert
TaskAssert.ResultEquals(result3, null);
}
public void ScriptInjectionFilterStream_ErrorResponseCodeFromServer()
{
// Arrange
MockSocketAdapter serverSocket = new MockSocketAdapter();
MockScriptInjectionFilterContext filterContext = new MockScriptInjectionFilterContext();
ScriptInjectionFilterStream filterStream = CreateFilterStream(serverSocket, filterContext);
byte[] bytesToSend = Encoding.UTF8.GetBytes("<html><head></head><body></body></html>");
// Act - Attempt to write some bytes
Task writeTask = filterStream.WriteAsync(bytesToSend, 0, 20);
// Assert
TaskAssert.NotCompleted(writeTask, "Task should not complete until the response line is read.");
// Act - Write an error response
serverSocket.SendString("HTTP/1.1 404 Not Found\r\n", Encoding.ASCII);
// Assert
TaskAssert.Completed(writeTask, "Task should complete after the response line is received.");
Assert.Equal("<html><head></head><", filterContext.GetResponseBody(Encoding.UTF8));
Assert.True(serverSocket.IsClosed, "Server connection should be closed.");
}
public void SendResponseStatusCode(int statusCode)
{
TaskAssert.NotCompleted(_statusCodeTask.Task, "MockHttpSocketAdapter: Response Status Code can only be set once.");
_statusCodeTask.SetResult(statusCode);
}
public void SendResponseComplete()
{
TaskAssert.NotCompleted(_responseCompleteTask.Task, "MockHttpSocketAdapter: Response Complete can only be sent once.");
_responseCompleteTask.SetResult(true);
}