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# frozen_string_literal: true
# Copyright, 2017, by Samuel G. D. Williams. <http://www.codeotaku.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
require 'async/io'
require 'async/clock'
require_relative 'generic_examples'
RSpec.describe Async::IO::Generic do
include_context Async::RSpec::Reactor
CONSOLE_METHODS = [:beep, :cooked, :cooked!, :cursor, :cursor=, :echo=, :echo?,:getch, :getpass, :goto, :iflush, :ioflush, :noecho, :oflush,:pressed?, :raw, :raw!, :winsize, :winsize=]
# On TruffleRuby, IO#encode_with needs to be defined for YAML.dump as a public method, allow it
ignore = [:encode_with, :check_winsize_changed, :clear_screen, :console_mode, :console_mode=, :cursor_down, :cursor_left, :cursor_right, :cursor_up, :erase_line, :erase_screen, :goto_column, :scroll_backward, :scroll_forward, :wait_priority]
it_should_behave_like Async::IO::Generic, [
:bytes, :chars, :codepoints, :each, :each_byte, :each_char, :each_codepoint, :each_line, :getbyte, :getc, :gets, :lineno, :lineno=, :lines, :print, :printf, :putc, :puts, :readbyte, :readchar, :readline, :readlines, :ungetbyte, :ungetc
] + CONSOLE_METHODS + ignore
let(:message) {"Hello World!"}
let(:pipe) {IO.pipe}
let(:input) {Async::IO::Generic.new(pipe.first)}
let(:output) {Async::IO::Generic.new(pipe.last)}
it "should send and receive data within the same reactor" do
received = nil
output_task = reactor.async do
received = input.read(1024)
input.close
end
reactor.async do
output.write(message)
output.close
end
output_task.wait
expect(received).to be == message
end
describe '#wait' do
let(:wait_duration) {0.1}
it "can wait for :read and :write" do
reader = reactor.async do |task|
duration = Async::Clock.measure do
input.wait(1, :read)
end
expect(duration).to be >= wait_duration
expect(input.read(1024)).to be == message
input.close
end
writer = reactor.async do |task|
duration = Async::Clock.measure do
output.wait(1, :write)
end
task.sleep(wait_duration)
output.write(message)
output.close
end
[reader, writer].each(&:wait)
end
it "can return nil when timeout is exceeded" do
reader = reactor.async do |task|
duration = Async::Clock.measure do
expect(input.wait(wait_duration, :read)).to be_nil
end
expect(duration).to be >= wait_duration
input.close
end
[reader].each(&:wait)
output.close
end
end
end
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