public async Task ReadAsync_ReadLargeData_Success()
{
// Arrange
var headerData = new byte[] { 0, 0, 1, 0, 4 };
var length = 65540;
var content = CreateTestData(length);
var messageContent = Encoding.UTF8.GetBytes(Convert.ToBase64String(headerData.Concat(content).ToArray()));
var messageCount = 3;
var streamContent = new List <byte>();
for (int i = 0; i < messageCount; i++)
{
streamContent.AddRange(messageContent);
}
var ms = new LimitedReadMemoryStream(streamContent.ToArray(), 3);
var base64Stream = new Base64ResponseStream(ms);
for (int i = 0; i < messageCount; i++)
{
// Assert 1
var resolvedHeaderData = await ReadContent(base64Stream, 5, CancellationToken.None);
// Act 1
CollectionAssert.AreEqual(headerData, resolvedHeaderData);
// Assert 2
var resolvedContentData = await ReadContent(base64Stream, (uint)length, CancellationToken.None);
// Act 2
CollectionAssert.AreEqual(content, resolvedContentData);
}
}
public async Task ReadAsync_MultipleReadsWithLimitedData_Success(int readSize)
{
// Arrange
var base64Data = Encoding.UTF8.GetBytes("AAAAAAYKBHRlc3Q=gAAAABANCmdycGMtc3RhdHVzOiAw");
var ms = new LimitedReadMemoryStream(base64Data, readSize);
var base64Stream = new Base64ResponseStream(ms);
// Act 1
var messageHeadData = await ReadContent(base64Stream, 5);
// Assert 1
Assert.AreEqual(0, messageHeadData[0]);
Assert.AreEqual(0, messageHeadData[1]);
Assert.AreEqual(0, messageHeadData[2]);
Assert.AreEqual(0, messageHeadData[3]);
Assert.AreEqual(6, messageHeadData[4]);
// Act 2
var messageData = await ReadContent(base64Stream, 6);
// Assert 2
var s = Encoding.UTF8.GetString(messageData.AsSpan(2));
Assert.AreEqual("test", s);
// Act 3
var footerHeadData = await ReadContent(base64Stream, 5);
// Assert 3
Assert.AreEqual(128, footerHeadData[0]);
Assert.AreEqual(0, footerHeadData[1]);
Assert.AreEqual(0, footerHeadData[2]);
Assert.AreEqual(0, footerHeadData[3]);
Assert.AreEqual(16, footerHeadData[4]);
// Act 3
var footerContentData = await ReadContent(base64Stream, 16);
var expected = Convert.FromBase64String("AAAAAAYKBHRlc3Q=")
.Concat(Convert.FromBase64String("gAAAABANCmdycGMtc3RhdHVzOiAw"))
.ToArray();
var actual = messageHeadData
.Concat(messageData)
.Concat(footerHeadData)
.Concat(footerContentData)
.ToArray();
Assert.AreEqual(expected, actual);
}
public async Task ReadAsync_MultipleReads_SmallDataSingleRead_Success()
{
// Arrange
var data = Encoding.UTF8.GetBytes("AAAAAAYKBHRlc3Q=gAAAABANCmdycGMtc3RhdHVzOiAw");
var ms = new LimitedReadMemoryStream(data, 3);
var base64Stream = new Base64ResponseStream(ms);
// Act 1
var messageHeadData = await ReadContent(base64Stream, 5);
// Assert 1
Assert.AreEqual(0, messageHeadData[0]);
Assert.AreEqual(0, messageHeadData[1]);
Assert.AreEqual(0, messageHeadData[2]);
Assert.AreEqual(0, messageHeadData[3]);
Assert.AreEqual(6, messageHeadData[4]);
// Act 2
var messageData = await ReadContent(base64Stream, 6);
// Assert 2
var s = Encoding.UTF8.GetString(messageData.AsSpan(2));
Assert.AreEqual("test", s);
// Act 3
var footerHeadData = await ReadContent(base64Stream, 5);
// Assert 3
Assert.AreEqual(128, footerHeadData[0]);
Assert.AreEqual(0, footerHeadData[1]);
Assert.AreEqual(0, footerHeadData[2]);
Assert.AreEqual(0, footerHeadData[3]);
Assert.AreEqual(16, footerHeadData[4]);
// Act 3
StreamReader r = new StreamReader(base64Stream, Encoding.UTF8);
var footerText = await r.ReadToEndAsync();
Assert.AreEqual("\r\ngrpc-status: 0", footerText);
}