Fix WindowMatcher and it's testfor app_class

Author: kui

lib/rbindkeys/window_matcher.rb

@@ -9,9 +9,9 @@ class WindowMatcher
     attr_reader :app_name, :title, :app_class
 
     def initialize h
-      @app_name = (h[:class] or h[:app_name])
-      @app_class = (h[:app_class])
-      @title = (h[:title] or h[:name])
+      @app_name = h[:app_name]
+      @app_class = h[:app_class] || h[:class]
+      @title = h[:title] || h[:name]
 
       if @app_name.nil? and @app_class.nil? and @title.nil?
         raise ArgumentError, 'expect to be given :class, :app_name,'+

spec/key_event_handler/handle_spec.rb

@@ -187,6 +187,7 @@
     before do
       @window = double ActiveWindowX::Window
       allow(@window).to receive(:app_name) { 'qux' }
+      allow(@window).to receive(:app_class) { 'Qux' }
       @resolver2 = double BindResolver
       allow(BindResolver).to receive(:new) { @resolver2 }
     end