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platform_is :windows do
require_relative '../fixtures/classes'
guard -> { WIN32OLESpecs::MSXML_AVAILABLE } do
def handler_global(event, *args)
@event_global += event
end
def handler_specific(*args)
@event_specific = "specific"
end
def handler_spec_alt(*args)
@event_spec_alt = "spec_alt"
end
describe "WIN32OLE_EVENT#on_event" do
before :all do
@fn_xml = File.absolute_path "../fixtures/event.xml", __dir__
end
before :each do
@xml_dom = WIN32OLESpecs.new_ole 'MSXML.DOMDocument'
@xml_dom.async = true
@ev = WIN32OLE_EVENT.new @xml_dom
@event_global = ''
@event_specific = ''
@event_spec_alt = ''
end
after :each do
@xml_dom = nil
@ev = nil
end
it "sets global event handler properly, and the handler is invoked by event loop" do
@ev.on_event { |*args| handler_global(*args) }
@xml_dom.loadXML "<program><name>Ruby</name><version>trunk</version></program>"
WIN32OLE_EVENT.message_loop
@event_global.should =~ /onreadystatechange/
end
it "accepts a String argument and the handler is invoked by event loop" do
@ev.on_event("onreadystatechange") { |*args| @event = 'foo' }
@xml_dom.loadXML "<program><name>Ruby</name><version>trunk</version></program>"
WIN32OLE_EVENT.message_loop
@event.should =~ /foo/
end
it "accepts a Symbol argument and the handler is invoked by event loop" do
@ev.on_event(:onreadystatechange) { |*args| @event = 'bar' }
@xml_dom.loadXML "<program><name>Ruby</name><version>trunk</version></program>"
WIN32OLE_EVENT.message_loop
@event.should =~ /bar/
end
it "accepts a specific event handler and overrides a global event handler" do
@ev.on_event { |*args| handler_global(*args) }
@ev.on_event("onreadystatechange") { |*args| handler_specific(*args) }
@ev.on_event("onreadystatechange") { |*args| handler_spec_alt(*args) }
@xml_dom.load @fn_xml
WIN32OLE_EVENT.message_loop
@event_global.should == 'ondataavailable'
@event_global.should_not =~ /onreadystatechange/
@event_specific.should == ''
@event_spec_alt.should == "spec_alt"
end
end
end
end
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