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#!/usr/bin/env rspec
# Test the main loop
require_relative "spec_helper"
require "dbus"
describe "MainLoopTest" do
before(:each) do
@session_bus = DBus::ASessionBus.new
svc = @session_bus.service("org.ruby.service")
@obj = svc.object("/org/ruby/MyInstance")
@obj.default_iface = "org.ruby.Loop"
@loop = DBus::Main.new
@loop << @session_bus
end
# Hack the library internals so that there is a delay between
# sending a DBus call and listening for its reply, so that
# the bus has a chance to join the server messages and a race is reproducible
def call_lazily
class << @session_bus
alias_method :wait_for_message_orig, :wait_for_message
def wait_for_message_lazy
DBus.logger.debug "I am so lazy"
sleep 1 # Give the server+bus a chance to join the messages
wait_for_message_orig
end
alias_method :wait_for_message, :wait_for_message_lazy
end
yield
# undo
class << @session_bus
remove_method :wait_for_message
remove_method :wait_for_message_lazy
alias_method :wait_for_message, :wait_for_message_orig
end
end
def test_loop_quit(delay)
@obj.on_signal "LongTaskEnd" do
DBus.logger.debug "Telling loop to quit"
@loop.quit
end
call_lazily do
# The method will sleep the requested amount of seconds
# (in another thread) before signalling LongTaskEnd
@obj.LongTaskBegin delay
end
# this thread will make the test fail if @loop.run does not return
dynamite = Thread.new do
DBus.logger.debug "Dynamite burning"
sleep 2
DBus.logger.debug "Dynamite explodes"
# We need to raise in the main thread.
# Simply raising here means the exception is ignored
# (until dynamite.join which we don't call) or
# (if abort_on_exception is set) it terminates the whole script.
Thread.main.raise RuntimeError, "The main loop did not quit in time"
end
@loop.run
DBus.logger.debug "Defusing dynamite"
# if we get here, defuse the bomb
dynamite.exit
# remove signal handler
@obj.on_signal "LongTaskEnd"
end
it "tests loop quit" do
test_loop_quit 1
end
# https://bugzilla.novell.com/show_bug.cgi?id=537401
it "tests loop drained socket" do
test_loop_quit 0
end
end
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