Method TestFramer_ParseDataFrame

internal/transport/http_util_test.go:325–419

(t *testing.T)

}

func (s) TestFramer_ParseDataFrame(t *testing.T) {
	tests := []struct {
		name                string
		wire                []byte // from frame header onward
		wantData            []byte
		wantErr             error
		wantErrDetailSubstr string
	}{
		{
			name: "good_padded",
			wire: buildDataFrame(http2.FrameHeader{
				Type: http2.FrameData, Length: 6, StreamID: 1, Flags: http2.FlagDataPadded,
			}, []byte{
				2,             // pad length
				'f', 'o', 'o', // data
				0, 0, // padding
			}),
			wantData: []byte("foo"),
		},
		{
			name: "good_unpadded",
			wire: buildDataFrame(http2.FrameHeader{
				Type: http2.FrameData, Length: 3, StreamID: 1, Flags: 0,
			}, []byte("foo")),
			wantData: []byte("foo"),
		},
		{
			name: "stream_id_0",
			wire: buildDataFrame(http2.FrameHeader{
				Type: http2.FrameData, Length: 1, StreamID: 0, Flags: 0,
			}, []byte{0}),
			wantErr:             http2.ConnectionError(http2.ErrCodeProtocol),
			wantErrDetailSubstr: "DATA frame with stream ID 0",
		},
		{
			name: "pad_size_bigger_than_payload",
			wire: buildDataFrame(http2.FrameHeader{
				Type: http2.FrameData, Length: 4, StreamID: 1, Flags: http2.FlagDataPadded,
			}, []byte{
				4,        // pad length of 4
				'f', 'o', // data 'fo' is 2 bytes
				0, // padding 0 is 1 byte.
			}), // pad length 4 but only 3 bytes for data+padding available in payload after pad length byte
			wantErr:             http2.ConnectionError(http2.ErrCodeProtocol),
			wantErrDetailSubstr: "pad size larger than data payload",
		},
		{
			name: "padded_zero_data_some_padding",
			wire: buildDataFrame(http2.FrameHeader{
				Type: http2.FrameData, Length: 3, StreamID: 1, Flags: http2.FlagDataPadded,
			}, []byte{
				2,    // pad length 2
				0, 0, // padding
			}),
			wantData: []byte{},
		},
		{
			name: "padded_short_payload_reading_pad_flag",