// volumeCapacityScorer calculates the score based on class storage resource information.
type volumeCapacityScorer func(classResourceMap) int64

// buildScorerFunction builds volumeCapacityScorer from the scoring function shape.
func buildScorerFunction(scoringFunctionShape helper.FunctionShape) volumeCapacityScorer {
	rawScoringFunction := helper.BuildBrokenLinearFunction(scoringFunctionShape)

							Requested: 100,
							Capacity:  100,
						},
					},
					50,
				},
			},
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			f := buildScorerFunction(tt.shape)
			for _, c := range tt.cases {
				gotScore := f(c.classResources)
				if gotScore != c.score {
					t.Errorf("Expect %d, but got %d", c.score, gotScore)
				}
			}
		})
	}

			shape = append(shape, helper.FunctionShapePoint{
				Utilization: int64(point.Utilization),
				Score:       int64(point.Score) * (framework.MaxNodeScore / config.MaxCustomPriorityScore),
			})
		}
		scorer = buildScorerFunction(shape)
	}
	return &VolumeBinding{
		Binder:    binder,
		PVCLister: pvcInformer.Lister(),
		scorer:    scorer,
		fts:       fts,
	}, nil