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require "test_helper"
using Plum::BinaryString
class StreamTest < Minitest::Test
def test_stream_reserve
open_new_stream {|stream|
stream.reserve
assert_equal(:reserved_local, stream.state)
}
open_new_stream(:open) {|stream|
assert_connection_error(:protocol_error) {
stream.reserve
}
}
end
def test_stream_state_illegal_frame_type
open_new_stream {|stream|
assert_connection_error(:protocol_error) {
stream.process_frame(Frame.new(type: :rst_stream, stream_id: stream.id, payload: "\x00\x00\x00\x00"))
}
}
end
def test_stream_handle_data
payload = "ABC" * 5
open_new_stream(:open) {|stream|
data = nil
stream.on(:data) {|_data| data = _data }
stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [], payload: payload))
assert_equal(payload, data)
}
open_new_stream(:open) {|stream|
data = nil
stream.on(:data) {|_data| data = _data }
stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [:padded], payload: "".push_uint8(6).push(payload).push("\x00"*6)))
assert_equal(payload, data)
}
open_new_stream(:open) {|stream|
assert_connection_error(:protocol_error) {
stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [:padded], payload: "".push_uint8(100).push(payload).push("\x00"*6)))
}
}
open_new_stream(:open) {|stream|
stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [:end_stream], payload: payload))
assert_equal(:half_closed_remote, stream.state)
}
open_new_stream(:half_closed_remote) {|stream|
stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
flags: [:end_stream], payload: payload))
last = sent_frames.last
assert_equal(:rst_stream, last.type)
assert_equal(StreamError.new(:stream_closed).http2_error_code, last.payload.uint32)
}
end
def test_stream_handle_headers_single
open_new_stream {|stream|
headers = nil
stream.on(:headers) {|_headers|
headers = _headers
}
stream.process_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.on(:headers) {|_headers|
headers = _headers
}
stream.process_frame(Frame.new(type: :headers,
stream_id: stream.id,
flags: [:end_stream],
payload: payload[0..4]))
assert_equal(nil, headers) # wait CONTINUATION
stream.process_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.on(:headers) {|_headers|
headers = _headers
}
stream.process_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.process_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.process_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(:reserved_local) {|stream|
assert_connection_error(:protocol_error) {
stream.process_frame(Frame.new(type: :headers, stream_id: stream.id, flags: [:end_headers, :end_stream], payload: _payload))
}
}
open_new_stream(:closed) {|stream|
assert_connection_error(:stream_closed) {
stream.process_frame(Frame.new(type: :headers, stream_id: stream.id, flags: [:end_headers, :end_stream], payload: _payload))
}
}
open_new_stream(:half_closed_remote) {|stream|
stream.process_frame(Frame.new(type: :headers, stream_id: stream.id, flags: [:end_headers, :end_stream], payload: _payload))
last = sent_frames.last
assert_equal(:rst_stream, last.type)
assert_equal(StreamError.new(:stream_closed).http2_error_code, last.payload.uint32)
}
end
def test_stream_handle_headers_priority
open_new_stream {|stream|
skip "HEADERS with priority" # TODO
}
end
def test_stream_promise
open_new_stream {|stream|
push_stream = stream.promise([])
assert(push_stream.id % 2 == 0)
assert(push_stream.id > stream.id)
assert_equal(stream, push_stream.parent)
assert_includes(stream.children, push_stream)
}
end
def test_stream_window_update
open_new_stream {|stream|
before_ws = stream.recv_remaining_window
stream.window_update(500)
last = sent_frames.last
assert_equal(:window_update, last.type)
assert_equal(500, last.payload.uint32)
assert_equal(before_ws + 500, stream.recv_remaining_window)
}
end
def test_stream_close
open_new_stream(:half_closed_local) {|stream|
stream.close(StreamError.new(:frame_size_error).http2_error_code)
last = sent_frames.last
assert_equal(:rst_stream, last.type)
assert_equal(StreamError.new(:frame_size_error).http2_error_code, last.payload.uint32)
assert_equal(:closed, stream.state)
}
end
end
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