def test_raise_error_on_empty_box_coder(self):
   box_coder_text_proto = """
   """
   box_coder_proto = box_coder_pb2.BoxCoder()
   text_format.Merge(box_coder_text_proto, box_coder_proto)
   with self.assertRaises(ValueError):
     box_coder_builder.build(box_coder_proto)
 def test_build_keypoint_box_coder_with_defaults(self):
   box_coder_text_proto = """
     keypoint_box_coder {
     }
   """
   box_coder_proto = box_coder_pb2.BoxCoder()
   text_format.Merge(box_coder_text_proto, box_coder_proto)
   box_coder_object = box_coder_builder.build(box_coder_proto)
   self.assertIsInstance(box_coder_object, keypoint_box_coder.KeypointBoxCoder)
   self.assertEqual(box_coder_object._scale_factors, [10.0, 10.0, 5.0, 5.0])
 def test_build_square_box_coder_with_defaults(self):
   box_coder_text_proto = """
     square_box_coder {
     }
   """
   box_coder_proto = box_coder_pb2.BoxCoder()
   text_format.Merge(box_coder_text_proto, box_coder_proto)
   box_coder_object = box_coder_builder.build(box_coder_proto)
   self.assertTrue(
       isinstance(box_coder_object, square_box_coder.SquareBoxCoder))
   self.assertEqual(box_coder_object._scale_factors, [10.0, 10.0, 5.0])
 def test_build_mean_stddev_box_coder(self):
   box_coder_text_proto = """
     mean_stddev_box_coder {
     }
   """
   box_coder_proto = box_coder_pb2.BoxCoder()
   text_format.Merge(box_coder_text_proto, box_coder_proto)
   box_coder_object = box_coder_builder.build(box_coder_proto)
   self.assertTrue(
       isinstance(box_coder_object,
                  mean_stddev_box_coder.MeanStddevBoxCoder))
 def test_build_square_box_coder_with_non_default_parameters(self):
   box_coder_text_proto = """
     square_box_coder {
       y_scale: 6.0
       x_scale: 3.0
       length_scale: 7.0
     }
   """
   box_coder_proto = box_coder_pb2.BoxCoder()
   text_format.Merge(box_coder_text_proto, box_coder_proto)
   box_coder_object = box_coder_builder.build(box_coder_proto)
   self.assertTrue(
       isinstance(box_coder_object, square_box_coder.SquareBoxCoder))
   self.assertEqual(box_coder_object._scale_factors, [6.0, 3.0, 7.0])
 def test_build_faster_rcnn_box_coder_with_non_default_parameters(self):
   box_coder_text_proto = """
     faster_rcnn_box_coder {
       y_scale: 6.0
       x_scale: 3.0
       height_scale: 7.0
       width_scale: 8.0
     }
   """
   box_coder_proto = box_coder_pb2.BoxCoder()
   text_format.Merge(box_coder_text_proto, box_coder_proto)
   box_coder_object = box_coder_builder.build(box_coder_proto)
   self.assertIsInstance(box_coder_object,
                         faster_rcnn_box_coder.FasterRcnnBoxCoder)
   self.assertEqual(box_coder_object._scale_factors, [6.0, 3.0, 7.0, 8.0])
 def test_build_keypoint_box_coder_with_non_default_parameters(self):
   box_coder_text_proto = """
     keypoint_box_coder {
       num_keypoints: 6
       y_scale: 6.0
       x_scale: 3.0
       height_scale: 7.0
       width_scale: 8.0
     }
   """
   box_coder_proto = box_coder_pb2.BoxCoder()
   text_format.Merge(box_coder_text_proto, box_coder_proto)
   box_coder_object = box_coder_builder.build(box_coder_proto)
   self.assertIsInstance(box_coder_object, keypoint_box_coder.KeypointBoxCoder)
   self.assertEqual(box_coder_object._num_keypoints, 6)
   self.assertEqual(box_coder_object._scale_factors, [6.0, 3.0, 7.0, 8.0])