Module: Net::SSH::Test::Extensions::IO::ClassMethods

### Home Classes Methods

### In Files

- lib/net/ssh/test/extensions.rb

### Methods

- #select_for_test

### Files

- README.rdoc

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# Net::SSH::Test::Extensions::IO::ClassMethods

### Public Instance Methods

select_for_test(readers=nil, writers=nil, errors=nil, wait=nil) click to toggle source

The testing version of ::IO.select. Assumes that all readers, writers, and errors arrays are either nil, or contain only objects that mix in Net::SSH::Test::Extensions::BufferedIo.

    # File lib/net/ssh/test/extensions.rb, line 127
    def select_for_test(readers=nil, writers=nil, errors=nil, wait=nil)
      ready_readers = Array(readers).select { |r| r.select_for_read? }
      ready_writers = Array(writers).select { |r| r.select_for_write? }
      ready_errors  = Array(errors).select  { |r| r.select_for_error? }

      if ready_readers.any? || ready_writers.any? || ready_errors.any?
        return [ready_readers, ready_writers, ready_errors]
      end

      processed = 0
      Array(readers).each do |reader|
        processed += 1 if reader.idle!
      end

      raise "no readers were ready for reading, and none had any incoming packets" if processed == 0
    end

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