GatewayDescriptor descriptor = GatewayDescriptorFactory.load( "xml", reader );
assertThat( descriptor, notNullValue() );
assertThat( descriptor.resources().size(), is( 1 ) );
ResourceDescriptor resource1 = descriptor.resources().get( 0 );
assertThat( resource1, notNullValue() );
assertThat( resource1.filters().size(), is( 1 ) );
FilterDescriptor filter1 = resource1.filters().get( 0 );
assertThat( filter1, notNullValue() );
assertThat( filter1.params().size(), is( 1 ) );