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require File.join(File.dirname(__FILE__), 'test_helper')
class PipeTest < Test::Unit::TestCase
context "a pipe" do
setup do
@pipe = Hydra::Pipe.new
end
teardown do
@pipe.close
end
should "be able to write messages" do
child = Process.fork do
@pipe.identify_as_child
assert_equal "Test Message", @pipe.gets.text
@pipe.write Hydra::Messages::TestMessage.new(:text => "Message Received")
@pipe.write Hydra::Messages::TestMessage.new(:text => "Second Message")
end
@pipe.identify_as_parent
@pipe.write Hydra::Messages::TestMessage.new(:text => "Test Message")
assert_equal "Message Received", @pipe.gets.text
assert_equal "Second Message", @pipe.gets.text
Process.wait(child) #ensure it quits, so there is nothing to write to
assert_raise IOError do
@pipe.write Hydra::Messages::TestMessage.new(:text => "anyone there?")
end
end
should "not allow writing if unidentified" do
assert_raise IOError do
@pipe.write Hydra::Messages::TestMessage.new(:text => "Test Message")
end
end
should "not allow reading if unidentified" do
assert_raise IOError do
@pipe.gets
end
end
end
end
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