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parabola_function()   A

↳ Parent: tests.test_parameters.test_replacement

Complexity

Conditions 1

Size

Total Lines 3
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 3
nop 1
dl 0
loc 3
rs 10
c 0
b 0
f 0
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# Author: Simon Blanke
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# Email: [email protected]
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# License: MIT License
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import pytest

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import numpy as np

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from gradient_free_optimizers import (

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    BayesianOptimizer,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    TreeStructuredParzenEstimators,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    LipschitzOptimizer,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    ForestOptimizer,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def parabola_function(para):

            


            
                                                                        
                            
            
                                    
            
            

                
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    loss = para["x"] * para["x"] + para["y"] * para["y"]

            


            
                                                                        
                            
            
                                    
            
            

                
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    return -loss

            


            
                                                                                                            
                            
            
                                    
            
            

                
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search_space = {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    "x": np.arange(-1, 1, 1),

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    "y": np.arange(-1, 1, 1),

            


            
                                                                                                            
                            
            
                                    
            
            

                
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}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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optimizer_para = (

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    "optimizer",

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    [

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        (BayesianOptimizer),

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        (TreeStructuredParzenEstimators),

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        (LipschitzOptimizer),

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        (ForestOptimizer),

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    ],

            


            
                                                                                                            
                            
            
                                    
            
            

                
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)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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@pytest.mark.parametrize(*optimizer_para)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def test_replacement_0(optimizer):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    opt = optimizer(search_space, replacement=True)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    opt.search(parabola_function, n_iter=15)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    opt_false = optimizer(search_space, replacement=False)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    with pytest.raises((ValueError, IndexError)):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        opt_false.search(parabola_function, n_iter=15)

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    assert len(opt_false.all_pos_comb) == 0

            


            
                                                        
            
                                    
            
            

                
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