[test] Create test file for PostProcessing

tests/test_PostProcessing.py

+# -*- coding: utf-8 -*-
+"""
+Test the PostProcessing class in bayesvalidrox.
+Tests are available for the following functions
+Class PostProcessing: 
+    init
+    plot_moments
+    valid_metamodel
+    check_accuracy
+    plot_seq_design
+    sobol_indices
+    check_req_quality
+    eval_pce_model_3d
+    _get_sample
+    _eval_model
+    _plot_validation
+    _plot_validation_multi
+"""
+import sys
+sys.path.append("../src/")
+import numpy as np
+import pytest
+
+from bayesvalidrox.post_processing.post_processing import PostProcessing
+from bayesvalidrox.surrogate_models.inputs import Input
+from bayesvalidrox.surrogate_models.input_space import InputSpace
+from bayesvalidrox.surrogate_models.exp_designs import ExpDesigns
+from bayesvalidrox.surrogate_models.surrogate_models import MetaModel
+from bayesvalidrox.surrogate_models.polynomial_chaos import PCE
+from bayesvalidrox.pylink.pylink import PyLinkForwardModel as PL
+from bayesvalidrox.surrogate_models.engine import Engine
+
+
+@pytest.fixture
+def basic_engine():
+    inp = Input()
+    inp.add_marginals()
+    inp.Marginals[0].dist_type = 'normal'
+    inp.Marginals[0].parameters = [0, 1]
+    mm = MetaModel(inp)
+    mod = PL()
+    expdes = ExpDesigns(inp)
+    engine = Engine(mm, mod, expdes)
+    return engine
+
+@pytest.fixture
+def pce_engine():
+    inp = Input()
+    inp.add_marginals()
+    inp.Marginals[0].dist_type = 'normal'
+    inp.Marginals[0].parameters = [0, 1]
+    expdes = ExpDesigns(inp)
+    expdes.init_param_space(max_deg=1)
+    expdes.X = np.array([[0], [1], [0.5]])
+    expdes.Y = {'Z': [[0.4], [0.5], [0.45]]}
+
+    mm = PCE(inp)
+    mm.fit(expdes.X, expdes.Y)
+    mod = PL()
+    engine = Engine(mm, mod, expdes)
+    return engine
+
+#%% Test PostProcessing init
+
+def test_postprocessing_noengine():
+    None
+
+def test_postprocessing(basic_engine) -> None:
+    engine = basic_engine
+    PostProcessing(engine)
+    
+    
+#%% plot_moments
+
+#%% valid_metamodel
+
+#%% check_accuracy
+
+#%% plot_seq_design
+#%% sobol_indices
+#%% check_reg_quality
+#%% eval_pce_model_3d
+#%% _get_sample
+#%% _eval_model
+#%% plot_validation
+#%% _plot_validation_multi
+    
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