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require "test_helper"
using Plum::BinaryString
class StreamHandleFrameTest < Minitest::Test
## DATA
def test_stream_handle_data
payload = "ABC" * 5
open_new_stream(state: :open) {|stream|
data = nil
stream.connection.on(:data) {|_, _data| data = _data }
stream.receive_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [], payload: payload))
assert_equal(payload, data)
}
end
def test_stream_handle_data_padded
payload = "ABC" * 5
open_new_stream(state: :open) {|stream|
data = nil
stream.connection.on(:data) {|_, _data| data = _data }
stream.receive_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [:padded], payload: "".push_uint8(6).push(payload).push("\x00"*6)))
assert_equal(payload, data)
}
end
def test_stream_handle_data_too_long_padding
payload = "ABC" * 5
open_new_stream(state: :open) {|stream|
assert_connection_error(:protocol_error) {
stream.receive_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [:padded], payload: "".push_uint8(100).push(payload).push("\x00"*6)))
}
}
end
def test_stream_handle_data_end_stream
payload = "ABC" * 5
open_new_stream(state: :open) {|stream|
stream.receive_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [:end_stream], payload: payload))
assert_equal(:half_closed_remote, stream.state)
}
end
def test_stream_handle_data_invalid_state
payload = "ABC" * 5
open_new_stream(state: :half_closed_remote) {|stream|
assert_stream_error(:stream_closed) {
stream.receive_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [:end_stream], payload: payload))
}
}
end
## HEADERS
def test_stream_handle_headers_single
open_new_stream {|stream|
headers = nil
stream.connection.on(:headers) {|_, _headers|
headers = _headers
}
stream.receive_frame(Frame.new(type: :headers,
stream_id: stream.id,
flags: [:end_headers],
payload: HPACK::Encoder.new(0).encode([[":path", "/"]])))
assert_equal(:open, stream.state)
assert_equal([[":path", "/"]], headers)
}
end
def test_stream_handle_headers_continuation
open_new_stream {|stream|
payload = HPACK::Encoder.new(0).encode([[":path", "/"]])
headers = nil
stream.connection.on(:headers) {|_, _headers|
headers = _headers
}
stream.receive_frame(Frame.new(type: :headers,
stream_id: stream.id,
flags: [:end_stream],
payload: payload[0..4]))
assert_equal(nil, headers) # wait CONTINUATION
stream.receive_frame(Frame.new(type: :continuation,
stream_id: stream.id,
flags: [:end_headers],
payload: payload[5..-1]))
assert_equal(:half_closed_remote, stream.state)
assert_equal([[":path", "/"]], headers)
}
end
def test_stream_handle_headers_padded
open_new_stream {|stream|
payload = HPACK::Encoder.new(0).encode([[":path", "/"]])
headers = nil
stream.connection.on(:headers) {|_, _headers|
headers = _headers
}
stream.receive_frame(Frame.new(type: :headers,
stream_id: stream.id,
flags: [:end_headers, :padded],
payload: "".push_uint8(payload.bytesize).push(payload).push("\x00"*payload.bytesize)))
assert_equal([[":path", "/"]], headers)
}
end
def test_stream_handle_headers_too_long_padding
open_new_stream {|stream|
payload = HPACK::Encoder.new(0).encode([[":path", "/"]])
assert_connection_error(:protocol_error) {
stream.receive_frame(Frame.new(type: :headers,
stream_id: stream.id,
flags: [:end_headers, :padded],
payload: "".push_uint8(payload.bytesize+1).push(payload).push("\x00"*(payload.bytesize+1))))
}
}
end
def test_stream_handle_headers_broken
open_new_stream {|stream|
payload = "\x00\x01\x02"
assert_connection_error(:compression_error) {
stream.receive_frame(Frame.new(type: :headers,
stream_id: stream.id,
flags: [:end_headers],
payload: payload))
}
}
end
def test_stream_handle_headers_state
_payload = HPACK::Encoder.new(0).encode([[":path", "/"]])
open_new_stream(state: :reserved_local) {|stream|
assert_connection_error(:protocol_error) {
stream.receive_frame(Frame.new(type: :headers, stream_id: stream.id, flags: [:end_headers, :end_stream], payload: _payload))
}
}
open_new_stream(state: :closed) {|stream|
assert_connection_error(:stream_closed) {
stream.receive_frame(Frame.new(type: :headers, stream_id: stream.id, flags: [:end_headers, :end_stream], payload: _payload))
}
}
open_new_stream(state: :half_closed_remote) {|stream|
assert_stream_error(:stream_closed) {
stream.receive_frame(Frame.new(type: :headers, stream_id: stream.id, flags: [:end_headers, :end_stream], payload: _payload))
}
}
end
def test_stream_handle_headers_priority
open_server_connection {|con|
parent = open_new_stream(con)
stream = open_new_stream(con)
headers = nil
stream.connection.on(:headers) {|_, _headers| headers = _headers }
header_block = HPACK::Encoder.new(0).encode([[":path", "/"]])
payload = "".push_uint32((1 << 31) | parent.id)
.push_uint8(50)
.push(header_block)
stream.receive_frame(Frame.new(type: :headers,
stream_id: stream.id,
flags: [:end_headers, :priority],
payload: payload))
assert_equal(true, stream.exclusive)
assert_equal(parent, stream.parent)
assert_equal(50, stream.weight)
assert_equal([[":path", "/"]], headers)
}
end
## PRIORITY
def test_stream_handle_priority
open_server_connection {|con|
parent = open_new_stream(con)
stream = open_new_stream(con)
payload = "".push_uint32((1 << 31) | parent.id)
.push_uint8(50)
stream.receive_frame(Frame.new(type: :priority,
stream_id: stream.id,
payload: payload))
assert_equal(true, stream.exclusive)
assert_equal(parent, stream.parent)
assert_equal(50, stream.weight)
}
end
def test_stream_handle_priority_self_depend
open_server_connection {|con|
stream = open_new_stream(con)
payload = "".push_uint32((0 << 31) | stream.id).push_uint8(6)
stream.receive_frame(Frame.new(type: :priority,
stream_id: stream.id,
payload: payload))
last = sent_frames.last
assert_equal(:rst_stream, last.type)
assert_equal(HTTPError::ERROR_CODES[:protocol_error], last.payload.uint32)
}
end
def test_stream_handle_priority_exclusive
open_server_connection {|con|
parent = open_new_stream(con)
stream0 = open_new_stream(con, parent: parent)
stream1 = open_new_stream(con, parent: parent)
stream2 = open_new_stream(con, parent: parent)
payload = "".push_uint32((1 << 31) | parent.id).push_uint8(6)
stream0.receive_frame(Frame.new(type: :priority,
stream_id: stream0.id,
payload: payload))
assert_equal(parent, stream0.parent)
assert_equal(stream0, stream1.parent)
assert_equal(stream0, stream2.parent)
}
end
def test_stream_handle_frame_size_error
open_new_stream {|stream|
assert_stream_error(:frame_size_error) {
stream.receive_frame(Frame.new(type: :priority,
stream_id: stream.id,
payload: "\x00"))
}
}
end
## RST_STREAM
def test_stream_handle_rst_stream
open_new_stream(state: :reserved_local) {|stream|
stream.receive_frame(Frame.new(type: :rst_stream,
stream_id: stream.id,
payload: "\x00\x00\x00\x00"))
assert_equal(:closed, stream.state)
}
end
def test_stream_handle_rst_stream_idle
open_new_stream(state: :idle) {|stream|
assert_connection_error(:protocol_error) {
stream.receive_frame(Frame.new(type: :rst_stream,
stream_id: stream.id,
payload: "\x00\x00\x00\x00"))
}
}
end
def test_stream_handle_rst_stream_frame_size
open_new_stream(state: :reserved_local) {|stream|
assert_connection_error(:frame_size_error) {
stream.receive_frame(Frame.new(type: :rst_stream,
stream_id: stream.id,
payload: "\x00\x00\x00"))
}
}
end
end
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