62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
#####################################################
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# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2021.03 #
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#####################################################
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# pytest tests/test_synthetic_utils.py -s #
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#####################################################
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import sys, random
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import unittest
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import pytest
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from pathlib import Path
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lib_dir = (Path(__file__).parent / ".." / "lib").resolve()
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print("library path: {:}".format(lib_dir))
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if str(lib_dir) not in sys.path:
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sys.path.insert(0, str(lib_dir))
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from datasets import QuadraticFunc
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from datasets import ConstantGenerator, SinGenerator
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class TestQuadraticFunc(unittest.TestCase):
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"""Test the quadratic function."""
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def test_simple(self):
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function = QuadraticFunc([[0, 1], [0.5, 4], [1, 1]])
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print(function)
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for x in (0, 0.5, 1):
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print("f({:})={:}".format(x, function[x]))
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thresh = 0.2
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self.assertTrue(abs(function[0] - 1) < thresh)
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self.assertTrue(abs(function[0.5] - 4) < thresh)
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self.assertTrue(abs(function[1] - 1) < thresh)
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def test_none(self):
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function = QuadraticFunc()
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function.fit([[0, 1], [0.5, 4], [1, 1]], max_iter=3000, verbose=True)
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print(function)
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thresh = 0.2
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self.assertTrue(abs(function[0] - 1) < thresh)
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self.assertTrue(abs(function[0.5] - 4) < thresh)
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self.assertTrue(abs(function[1] - 1) < thresh)
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class TestConstantGenerator(unittest.TestCase):
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"""Test the constant data generator."""
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def test_simple(self):
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dataset = ConstantGenerator()
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for i, (idx, t, x) in enumerate(dataset):
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assert i == idx, "First loop: {:} vs {:}".format(i, idx)
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assert x == 0.1
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class TestSinGenerator(unittest.TestCase):
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"""Test the synethtic data generator."""
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def test_simple(self):
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dataset = SinGenerator()
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for i, (idx, t, x) in enumerate(dataset):
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assert i == idx, "First loop: {:} vs {:}".format(i, idx)
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for i, (idx, t, x) in enumerate(dataset):
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assert i == idx, "Second loop: {:} vs {:}".format(i, idx)
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