def test_parse_original_results_file(self):
res = StatsResults()
_parse_original_results_file('/foobarbaz123', Anosim(), 'Treatment',
res)
self.assertTrue(res.isEmpty())
_parse_original_results_file('/foobarbaz123', Anosim(), 'Treatment',
res, 42)
self.assertTrue(res.isEmpty())
def test_parse_shuffled_results_files(self):
res = StatsResults()
_parse_shuffled_results_files('/foobarbaz123', Adonis(), 'Treatment',
res, 10)
self.assertTrue(res.isEmpty())
_parse_shuffled_results_files('/foobarbaz123', Anosim(), 'Treatment',
res, 20, 88)
self.assertTrue(res.isEmpty())
class StatsResultsTests(TestCase):
"""Tests for the util.StatsResults class."""
def setUp(self):
"""Define some sample data that will be used by the tests."""
self.sr1 = StatsResults()
def test_addResult(self):
"""Adding effect size and p-value works correctly on valid input."""
self.sr1.addResult(0.5, 0.01)
self.sr1.addResult(0.5, 0.001)
self.assertFloatEqual(self.sr1.effect_size, 0.5)
self.assertFloatEqual(self.sr1.p_values, [0.01, 0.001])
def test_addResult_invalid_input(self):
"""Adding invalid input raises error."""
# Effect sizes don't match.
self.sr1.addResult(0.5, 0.01)
self.assertRaises(ValueError, self.sr1.addResult, 0.6, 0.001)
self.assertFloatEqual(self.sr1.effect_size, 0.5)
self.assertFloatEqual(self.sr1.p_values, [0.01])
# Invalid p-value range.
self.sr1 = StatsResults()
self.assertRaises(ValueError, self.sr1.addResult, 0.5, 1.1)
self.assertTrue(self.sr1.effect_size is None)
self.assertEqual(self.sr1.p_values, [])
self.sr1.addResult(0.5, 0.01)
self.sr1.addResult(0.5, 0.02)
self.assertRaises(ValueError, self.sr1.addResult, 0.5, 1.1)
self.assertRaises(ValueError, self.sr1.addResult, 0.5, -0.2)
self.assertFloatEqual(self.sr1.effect_size, 0.5)
self.assertFloatEqual(self.sr1.p_values, [0.01, 0.02])
def test_isEmpty(self):
"""Test checking if results are empty or not."""
self.assertTrue(self.sr1.isEmpty())
self.sr1.addResult(0.5, 0.01)
self.assertFalse(self.sr1.isEmpty())
def test_str(self):
"""Test __str__ method."""
# Empty results.
obs = str(self.sr1)
self.assertEqual(obs, 'Empty results')
# Populated results.
self.sr1.addResult(0.5, 0.01)
self.sr1.addResult(0.5, 0.05)
obs = str(self.sr1)
self.assertEqual(obs, '0.50; ***, **')
def test_check_p_value(self):
"""Raises error on invalid p-value."""
self.sr1._check_p_value(0.0)
self.sr1._check_p_value(0.5)
self.sr1._check_p_value(1.0)
self.assertRaises(ValueError, self.sr1._check_p_value, 1.5)
self.assertRaises(ValueError, self.sr1._check_p_value, -1.5)
def test_format_p_value_as_asterisk(self):
"""Test formatting a p-value to indicate statistical significance."""
obs = self.sr1._format_p_value_as_asterisk(1.0)
self.assertEqual(obs, 'x')
obs = self.sr1._format_p_value_as_asterisk(0.09)
self.assertEqual(obs, '*')
obs = self.sr1._format_p_value_as_asterisk(0.045)
self.assertEqual(obs, '**')
obs = self.sr1._format_p_value_as_asterisk(0.01)
self.assertEqual(obs, '***')
obs = self.sr1._format_p_value_as_asterisk(0.0005)
self.assertEqual(obs, '****')
def test_format_p_value_as_asterisk_invalid_input(self):
"""Test supplying an invalid p-value results in error being thrown."""
self.assertRaises(TypeError, self.sr1._format_p_value_as_asterisk, 1)
self.assertRaises(TypeError, self.sr1._format_p_value_as_asterisk,
"0.05")
self.assertRaises(TypeError, self.sr1._format_p_value_as_asterisk,
[0.05])
self.assertRaises(ValueError, self.sr1._format_p_value_as_asterisk,
1.1)
self.assertRaises(ValueError, self.sr1._format_p_value_as_asterisk,
-0.042)
