41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
import os
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import sys
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import unittest
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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import bl_decimate as bd
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class TestDecimateRatio(unittest.TestCase):
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def test_normal_reduction(self):
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self.assertAlmostEqual(bd.decimate_ratio(5000, 1500000), 5000 / 1500000.0)
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def test_current_below_target_returns_one(self):
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self.assertEqual(bd.decimate_ratio(5000, 3000), 1.0)
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def test_current_equal_target_returns_one(self):
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self.assertEqual(bd.decimate_ratio(5000, 5000), 1.0)
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def test_zero_current_returns_one(self):
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self.assertEqual(bd.decimate_ratio(5000, 0), 1.0)
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class TestWithinTolerance(unittest.TestCase):
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def test_exact_hit(self):
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self.assertTrue(bd.within_tolerance(5000, 5000))
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def test_within_3_percent(self):
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self.assertTrue(bd.within_tolerance(5000, 5150)) # +3%
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self.assertTrue(bd.within_tolerance(5000, 4850)) # -3%
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def test_outside_3_percent(self):
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self.assertFalse(bd.within_tolerance(5000, 5200))
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self.assertFalse(bd.within_tolerance(5000, 4700))
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def test_zero_target_is_false(self):
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self.assertFalse(bd.within_tolerance(0, 0))
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if __name__ == "__main__":
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unittest.main()
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