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require_relative '../../spec_helper'
describe "SignalException.new" do
it "takes a signal number as the first argument" do
exc = SignalException.new(Signal.list["INT"])
exc.signo.should == Signal.list["INT"]
exc.signm.should == "SIGINT"
exc.message.should == "SIGINT"
end
it "raises an exception with an invalid signal number" do
-> { SignalException.new(100000) }.should raise_error(ArgumentError)
end
it "takes a signal name without SIG prefix as the first argument" do
exc = SignalException.new("INT")
exc.signo.should == Signal.list["INT"]
exc.signm.should == "SIGINT"
exc.message.should == "SIGINT"
end
it "takes a signal name with SIG prefix as the first argument" do
exc = SignalException.new("SIGINT")
exc.signo.should == Signal.list["INT"]
exc.signm.should == "SIGINT"
exc.message.should == "SIGINT"
end
it "raises an exception with an invalid signal name" do
-> { SignalException.new("NONEXISTENT") }.should raise_error(ArgumentError)
end
it "raises an exception with an invalid first argument type" do
-> { SignalException.new(Object.new) }.should raise_error(ArgumentError)
end
it "takes a signal symbol without SIG prefix as the first argument" do
exc = SignalException.new(:INT)
exc.signo.should == Signal.list["INT"]
exc.signm.should == "SIGINT"
exc.message.should == "SIGINT"
end
it "takes a signal symbol with SIG prefix as the first argument" do
exc = SignalException.new(:SIGINT)
exc.signo.should == Signal.list["INT"]
exc.signm.should == "SIGINT"
exc.message.should == "SIGINT"
end
it "raises an exception with an invalid signal name" do
-> { SignalException.new(:NONEXISTENT) }.should raise_error(ArgumentError)
end
it "takes an optional message argument with a signal number" do
exc = SignalException.new(Signal.list["INT"], "name")
exc.signo.should == Signal.list["INT"]
exc.signm.should == "name"
exc.message.should == "name"
end
it "raises an exception for an optional argument with a signal name" do
-> { SignalException.new("INT","name") }.should raise_error(ArgumentError)
end
end
describe "rescuing SignalException" do
it "raises a SignalException when sent a signal" do
begin
Process.kill :TERM, Process.pid
sleep
rescue SignalException => e
e.signo.should == Signal.list["TERM"]
e.signm.should == "SIGTERM"
e.message.should == "SIGTERM"
end
end
end
describe "SignalException" do
it "can be rescued" do
ruby_exe(<<-RUBY)
begin
raise SignalException, 'SIGKILL'
rescue SignalException
exit(0)
end
exit(1)
RUBY
$?.exitstatus.should == 0
end
platform_is_not :windows do
it "runs after at_exit" do
output = ruby_exe(<<-RUBY, exit_status: :SIGKILL)
at_exit do
puts "hello"
$stdout.flush
end
raise SignalException, 'SIGKILL'
RUBY
$?.termsig.should == Signal.list.fetch("KILL")
output.should == "hello\n"
end
it "cannot be trapped with Signal.trap" do
ruby_exe(<<-RUBY, exit_status: :SIGPROF)
Signal.trap("PROF") {}
raise(SignalException, "PROF")
RUBY
$?.termsig.should == Signal.list.fetch("PROF")
end
it "self-signals for USR1" do
ruby_exe("raise(SignalException, 'USR1')", exit_status: :SIGUSR1)
$?.termsig.should == Signal.list.fetch('USR1')
end
end
end
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