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# encoding: binary
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe 'Incoming frame draft 05' do
subject { frame }
let(:version) { 5 }
let(:frame) { WebSocket::Frame::Incoming.new(version: version, data: encoded_text) }
let(:encoded_text) { nil }
let(:decoded_text) { nil }
let(:frame_type) { nil }
let(:error) { nil }
it_behaves_like 'valid_incoming_frame'
context 'should properly decode close frame' do
let(:encoded_text) { "\x81\x05" + decoded_text }
let(:frame_type) { :close }
let(:decoded_text) { 'Hello' }
it_behaves_like 'valid_incoming_frame'
end
context 'should properly decode ping frame' do
let(:encoded_text) { "\x82\x05" + decoded_text }
let(:frame_type) { :ping }
let(:decoded_text) { 'Hello' }
it_behaves_like 'valid_incoming_frame'
end
context 'should properly decode pong frame' do
let(:encoded_text) { "\x83\x05" + decoded_text }
let(:frame_type) { :pong }
let(:decoded_text) { 'Hello' }
it_behaves_like 'valid_incoming_frame'
end
context 'should properly decode text frame' do
let(:encoded_text) { "\x84\x05" + decoded_text }
let(:decoded_text) { 'Hello' }
let(:frame_type) { :text }
it_behaves_like 'valid_incoming_frame'
end
context 'should properly decode masked text frame' do
let(:encoded_text) { "\x84\x85\x37\xfa\x21\x3d\x7f\x9f\x4d\x51\x58" }
let(:decoded_text) { 'Hello' }
let(:frame_type) { :text }
it_behaves_like 'valid_incoming_frame'
end
context 'should properly decode text frame with continuation' do
let(:encoded_text) { "\x04\x03Hel\x80\x02lo" }
let(:frame_type) { :text }
let(:decoded_text) { 'Hello' }
it_behaves_like 'valid_incoming_frame'
end
context 'should properly decode masked text frame with continuation' do
let(:encoded_text) { "\x04\x83\x37\xfa\x21\x3d\x7f\x9f\x4d\x80\x82\x37\xfa\x21\x3d\x5b\x95" }
let(:frame_type) { :text }
let(:decoded_text) { 'Hello' }
it_behaves_like 'valid_incoming_frame'
end
context 'should properly decode text frame in between of continuation' do
let(:encoded_text) { "\x04\x03Hel\x83\x03abc\x80\x02lo" }
let(:frame_type) { %i[pong text] }
let(:decoded_text) { %w[abc Hello] }
it_behaves_like 'valid_incoming_frame'
end
context 'should not return unfinished more frame' do
let(:encoded_text) { "\x04\x03Hel\x83\x03abc" }
let(:frame_type) { :pong }
let(:decoded_text) { 'abc' }
it_behaves_like 'valid_incoming_frame'
end
context 'should properly decode 256 bytes binary frame' do
let(:encoded_text) { "\x85\x7E\x01\x00" + decoded_text }
let(:frame_type) { :binary }
let(:decoded_text) { 'a' * 256 }
it_behaves_like 'valid_incoming_frame'
end
context 'should properly decode 64KiB binary frame' do
let(:encoded_text) { "\x85\x7F\x00\x00\x00\x00\x00\x01\x00\x00" + decoded_text }
let(:frame_type) { :binary }
let(:decoded_text) { 'a' * 65_536 }
it_behaves_like 'valid_incoming_frame'
end
context 'should wait with incomplete frame' do
let(:encoded_text) { "\x84\x06Hello" }
let(:decoded_text) { nil }
it_behaves_like 'valid_incoming_frame'
end
context 'should raise error with invalid opcode' do
let(:encoded_text) { "\x89\x05Hello" }
let(:decoded_text) { nil }
let(:error) { WebSocket::Error::Frame::UnknownOpcode }
it_behaves_like 'valid_incoming_frame'
end
context 'should raise error with too long frame' do
let(:encoded_text) { "\x84\x7F" + 'a' * WebSocket.max_frame_size }
let(:decoded_text) { nil }
let(:error) { WebSocket::Error::Frame::TooLong }
it_behaves_like 'valid_incoming_frame'
end
context 'should raise error with continuation frame without more frame earlier' do
let(:encoded_text) { "\x80\x05Hello" }
let(:decoded_text) { nil }
let(:error) { WebSocket::Error::Frame::UnexpectedContinuationFrame }
it_behaves_like 'valid_incoming_frame'
end
end
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