private IEnumerable<ScanForBoundaryTestCase> CreatePartialBoundaryTestCases()
{
List<ScanForBoundaryTestCase> testCases = new List<ScanForBoundaryTestCase>();
// Partial boundaries at various positions in the buffer
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings.Where(str => str.Length > 1), // excluding '-' boundary string since partials would be the empty string which this test does not handle
LeadingLineFeedForBoundary,
WhitespaceCounts,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, whitespaceCount, lineFeed, isEndBoundary) =>
{
string boundaryToWrite = boundaryString.Substring(0, boundaryString.Length - 1);
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int partialStartBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundaryToWrite.Length + whitespaceCount + lineFeed.Length;
int partialEndBoundaryLength = partialStartBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
Func<bool, int> partialBoundaryLength = isEnd => isEnd ? partialEndBoundaryLength : partialStartBoundaryLength;
ScanForBoundaryTestCase testCase = new ScanForBoundaryTestCase(lineFeed)
{
DebugDescription = "Partial boundary '" + boundaryString + "' at the beginning [isEnd = " + isEndBoundary +
", lineFeed = " + StringUtils.LineFeedString(lineFeed) + ", leadingLineFeed = " + leadingBoundaryLineFeed +
", whitespaceCount = " + whitespaceCount + "].",
Boundary = boundaryString,
PayloadFunc = builder => isEndBoundary
? builder
.EndBoundary(boundaryToWrite, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream()
: builder
.StartBoundary(boundaryToWrite, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream(),
ExpectedScanResult = BatchReaderStreamBufferWrapper.ODataBatchReaderStreamScanResult.NoMatch,
ExpectedIsEndBoundary = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
}
};
testCases.Add(testCase);
testCase = new ScanForBoundaryTestCase(lineFeed)
{
DebugDescription = "Partial boundary '" + boundaryString + "' in the middle [isEnd = " + isEndBoundary +
", lineFeed = " + StringUtils.LineFeedString(lineFeed) + ", leadingLineFeed = " + leadingBoundaryLineFeed +
", whitespaceCount = " + whitespaceCount + "].",
Boundary = boundaryString,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(10, 'a')
.EndBoundary(boundaryToWrite, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream()
: builder
.FillBytes(10, 'a')
.StartBoundary(boundaryToWrite, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream(),
ExpectedScanResult = BatchReaderStreamBufferWrapper.ODataBatchReaderStreamScanResult.NoMatch,
ExpectedIsEndBoundary = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
}
};
testCases.Add(testCase);
testCase = new ScanForBoundaryTestCase(lineFeed)
{
DebugDescription = "Partial boundary '" + boundaryString + "' at the end [isEnd = " + isEndBoundary +
", lineFeed = " + StringUtils.LineFeedString(lineFeed) + ", leadingLineFeed = " + leadingBoundaryLineFeed +
", whitespaceCount = " + whitespaceCount + "].",
Boundary = boundaryString,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - partialBoundaryLength(isEndBoundary), 'a')
.EndBoundary(boundaryToWrite, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - partialBoundaryLength(isEndBoundary), 'a')
.StartBoundary(boundaryToWrite, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream(),
ExpectedScanResult = BatchReaderStreamBufferWrapper.ODataBatchReaderStreamScanResult.PartialMatch,
ExpectedIsEndBoundary = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
}
};
testCases.Add(testCase);
});
return testCases;
}
private IEnumerable<ScanForBoundaryTestCase> CreateMissingBoundaryTestCases()
{
// TODO: add error tests where none of the expected boundaries can be found
List<ScanForBoundaryTestCase> testCases = new List<ScanForBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
LeadingLineFeedForBoundary,
WhitespaceCounts,
LineFeeds,
new bool[] { false, true },
(leadingBoundaryLineFeed, whitespaceCount, lineFeed, isEndBoundary) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
Func<string, int> startBoundaryLength = boundary => leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundary.Length + whitespaceCount + lineFeed.Length;
Func<string, int> endBoundaryLength = boundary => startBoundaryLength(boundary) + BatchReaderStreamTestUtils.TwoDashesLength;
Func<string, bool, int> boundaryLength = (boundary, isEnd) => isEnd ? endBoundaryLength(boundary) : startBoundaryLength(boundary);
string batchBoundary = "batch_boundary";
string changesetBoundary = "changeset_boundary";
string[] boundaries = new string[] { changesetBoundary, batchBoundary };
ScanForBoundaryTestCase testCase = new ScanForBoundaryTestCase(lineFeed)
{
DebugDescription = "Only parent boundary '" + batchBoundary + "' present [isEnd = " + isEndBoundary +
", lineFeed = " + StringUtils.LineFeedString(lineFeed) + ", leadingLineFeed = " + leadingBoundaryLineFeed +
", whitespaceCount = " + whitespaceCount + "].",
Boundaries = boundaries,
ExpectedIsParentBoundary = true,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(10, 'a')
.EndBoundary(batchBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream()
: builder
.FillBytes(10, 'a')
.StartBoundary(batchBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream(),
ExpectedScanResult = BatchReaderStreamBufferWrapper.ODataBatchReaderStreamScanResult.Match,
ExpectedStartPosition = 10,
ExpectedEndPosition = 10 + boundaryLength(batchBoundary, isEndBoundary) - 1,
ExpectedIsEndBoundary = isEndBoundary,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0
}
};
testCases.Add(testCase);
testCase = new ScanForBoundaryTestCase(lineFeed)
{
DebugDescription = "Parent boundary '" + batchBoundary + "' partially at the end of the buffer [isEnd = " + isEndBoundary +
", lineFeed = " + StringUtils.LineFeedString(lineFeed) + ", leadingLineFeed = " + leadingBoundaryLineFeed +
", whitespaceCount = " + whitespaceCount + "].",
Boundaries = boundaries,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 10, 'a')
.EndBoundary(batchBoundary, leadingBoundaryLineFeed, whitespaceCount)
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 10, 'a')
.StartBoundary(batchBoundary, leadingBoundaryLineFeed, whitespaceCount)
.ResetMemoryStream(),
ExpectedScanResult = BatchReaderStreamBufferWrapper.ODataBatchReaderStreamScanResult.PartialMatch,
ExpectedStartPosition = BatchReaderStreamBufferWrapper.BufferLength - 10,
ExpectedEndPosition = -1,
ExpectedIsEndBoundary = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0
}
};
testCases.Add(testCase);
testCase = new ScanForBoundaryTestCase(lineFeed)
{
DebugDescription = "Changeset boundary '" + batchBoundary + "' partially at the end of the buffer [isEnd = " + isEndBoundary +
", lineFeed = " + StringUtils.LineFeedString(lineFeed) + ", leadingLineFeed = " + leadingBoundaryLineFeed +
", whitespaceCount = " + whitespaceCount + "].",
Boundaries = boundaries,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 10, 'a')
.EndBoundary(changesetBoundary, leadingBoundaryLineFeed, whitespaceCount)
.EndBoundary(batchBoundary, leadingBoundaryLineFeed, whitespaceCount)
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 10, 'a')
.StartBoundary(changesetBoundary, leadingBoundaryLineFeed, whitespaceCount)
.StartBoundary(batchBoundary, leadingBoundaryLineFeed, whitespaceCount)
.ResetMemoryStream(),
ExpectedScanResult = BatchReaderStreamBufferWrapper.ODataBatchReaderStreamScanResult.PartialMatch,
ExpectedStartPosition = BatchReaderStreamBufferWrapper.BufferLength - 10,
ExpectedEndPosition = -1,
ExpectedIsEndBoundary = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0
}
};
testCases.Add(testCase);
});
return testCases;
}
private IEnumerable<ScanForBoundaryTestCase> CreateBoundaryInTheMiddleTestCases()
{
List<ScanForBoundaryTestCase> testCases = new List<ScanForBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
WhitespaceCounts,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, whitespaceCount, lineFeed, isEndBoundary) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundaryString.Length + whitespaceCount + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
Func<bool, int> boundaryLength = isEnd => isEnd ? endBoundaryLength : startBoundaryLength;
ScanForBoundaryTestCase testCase = new ScanForBoundaryTestCase(lineFeed)
{
DebugDescription = "Boundary '" + boundaryString + "' in the middle [isEnd = " + isEndBoundary +
", lineFeed = " + StringUtils.LineFeedString(lineFeed) + ", leadingLineFeed = " + leadingBoundaryLineFeed +
", whitespaceCount = " + whitespaceCount + "].",
Boundary = boundaryString,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(10, 'a')
.EndBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream()
: builder
.FillBytes(10, 'a')
.StartBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'b')
.ResetMemoryStream(),
ExpectedScanResult = BatchReaderStreamBufferWrapper.ODataBatchReaderStreamScanResult.Match,
ExpectedStartPosition = 10,
ExpectedEndPosition = 10 + boundaryLength(isEndBoundary) - 1,
ExpectedIsEndBoundary = isEndBoundary,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0
}
};
testCases.Add(testCase);
});
return testCases;
}
