# File test/test_document.rb, line 840
    def test_GET_virtual_filter_not_found
      @folder.virtual_mount('foo', self, '/foo')
      @folder.virtual_attach('foo', self, '/foo')
      @request.method = 'GET'
      @request.path = '/foo/bar'
      @request.version = 'HTTP/1.1'
      @request.set_header('Host', 'bar:80')
      begin
        @folder.publish('', @request, @response, @logger)
      rescue Rucy::HTTPError
        assert_equal(404, $!.status) # Not Found
        assert(0, @publish_call)
        assert(0, @filter_open_call)
        assert(0, @filter_head_call)
        assert(0, @filter_body_call)
        assert(0, @filter_close_call)
        assert_match(@log_debug, /not mounted/)
        done = true
      end
      assert(done)
    end