Quit the testing service explicitly so that simplecov-lcov can merge the data

Author: mvidner

spec/service_newapi.rb

@@ -13,16 +13,23 @@
 class Test < DBus::Object
   Point2D = Struct.new(:x, :y)
 
+  attr_writer :main_loop
+
   INTERFACE = "org.ruby.SampleInterface"
   def initialize(path)
     super path
     @read_me = "READ ME"
     @read_or_write_me = "READ OR WRITE ME"
     @my_struct = ["three", "strings", "in a struct"].freeze
+    @main_loop = nil
   end
 
   # Create an interface aggregating all upcoming dbus_method defines.
   dbus_interface INTERFACE do
+    dbus_method :quit, "" do
+      @main_loop&.quit
+    end
+
     dbus_method :hello, "in name:s, in name2:s" do |name, name2|
       puts "hello(#{name}, #{name2})"
     end
@@ -193,6 +200,7 @@ class Test2 < DBus::Object
 puts "listening, with ruby-#{RUBY_VERSION}"
 main = DBus::Main.new
 main << bus
+myobj.main_loop = main
 begin
   main.run
 rescue SystemCallError

spec/zzz_quit_spec.rb

@@ -0,0 +1,16 @@
+#!/usr/bin/env rspec
+# frozen_string_literal: true
+
+require_relative "spec_helper"
+require "dbus"
+
+describe "Quit the service" do
+  it "Tells the service to quit and waits, to collate coverage data" do
+    session_bus = DBus::ASessionBus.new
+    @svc = session_bus.service("org.ruby.service")
+    @obj = @svc.object("/org/ruby/MyInstance")
+    @obj.default_iface = "org.ruby.SampleInterface"
+    @obj.quit
+    sleep 3
+  end
+end