public async Task Send_GivenSequenceIsUnderChunkSize_ShouldWriteArrayOnce()
{
//Arrange
var a = new byte[] { 0x00, 0x01, 0x02, 0x03 };
var b = new byte[] { 0x04, 0x05, 0x06, 0x07 };
var sequence = new SequenceBuilder <byte>().Append(a).Append(b).Build();
var mockStream = new MockStream();
var sut = new ChunkingPipeline(mockStream, 9);
//Act
await sut.Send(sequence);
//Assert
var expected = sequence.ToArray();
var actual = mockStream.GetReadOnlySequence();
actual.ToArray().Should().Equal(expected);
actual.IsSingleSegment.Should().BeTrue();
}
[InlineData(4, 6, 1, 4, 7, null)] // Can merge b and c
public async Task Send_GivenSequenceIsOverChunkSize_ShouldWriteMultipleArrays(int length1, int length2, int length3, int expected1, int expected2, int?expected3)
{
//Arrange
var a = Enumerable.Range(0, length1).Select(i => (byte)i).ToArray();
var b = Enumerable.Range(length1, length2).Select(i => (byte)i).ToArray();
var c = Enumerable.Range(length1 + length2, length3).Select(i => (byte)i).ToArray();
var sequence = new SequenceBuilder <byte>().Append(a).Append(b).Append(c).Build();
var mockStream = new MockStream();
var sut = new ChunkingPipeline(mockStream, 8);
//Act
await sut.Send(sequence);
//Assert
var expected = sequence.ToArray();
var actual = mockStream.GetReadOnlySequence();
actual.ToArray().Should().Equal(expected);
GetNumberOfSegments(actual).Should().Be(expected3.HasValue ? 3 : 2);
var segmentNumber = 0;
foreach (var segment in actual)
{
switch (segmentNumber)
{
case 0:
segment.Length.Should().Be(expected1);
break;
case 1:
segment.Length.Should().Be(expected2);
break;
case 2:
expected3.Should().NotBeNull();
segment.Length.Should().Be(expected3);
break;
}
++segmentNumber;
}
}