ruby/spec/exception_handling_spec.rb

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require "spec_helper"

module Qpid

  module Proton

    class ExceptionHandlingClass
      include Qpid::Proton::Util::ErrorHandler

      def error
        "This is a test error: #{Time.new}"
      end
    end

    describe "The exception handling mixin" do

      before (:each) do
        @handler = Qpid::Proton::ExceptionHandlingClass.new
      end

      it "does not raise an error on a zero code" do
        @handler.check_for_error(0)
      end

      it "raises EOS on PN_EOS" do
        proc {
          @handler.check_for_error(Qpid::Proton::Error::EOS)
        }.must_raise(Qpid::Proton::EOSError)
      end

      it "raises Error on PN_ERR" do
        proc {
          @handler.check_for_error(Qpid::Proton::Error::ERROR)
        }.must_raise(Qpid::Proton::ProtonError)
      end

      it "raises Overflow on PN_OVERFLOW" do
        proc {
          @handler.check_for_error(Qpid::Proton::Error::OVERFLOW)
        }.must_raise(Qpid::Proton::OverflowError)
      end

      it "raises Underflow on PN_UNDERFLOW" do
        proc {
          @handler.check_for_error(Qpid::Proton::Error::UNDERFLOW)
        }.must_raise(Qpid::Proton::UnderflowError)
      end

      it "raises Argument on PN_ARG_ERR" do
        proc {
          @handler.check_for_error(Qpid::Proton::Error::ARGUMENT)
        }.must_raise(Qpid::Proton::ArgumentError)
      end

      it "raises TimeoutError on PN_TIMEOUT" do
        proc {
          @handler.check_for_error(Qpid::Proton::Error::TIMEOUT)
        }.must_raise(Qpid::Proton::TimeoutError)
      end

      it "raises an Ruby ArgumentError on a nil code" do
        proc {
          @handler.check_for_error(nil)
        }.must_raise(::ArgumentError)
      end

      it "raises a Ruby ArgumentError on an unknown value" do
        proc {
          @handler.check_for_error("farkle")
        }.must_raise(::ArgumentError)
      end

    end

  end

end