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import numpy as np
import unittest
import os
from stnn.utils.stats import get_stats
class TestGetStats(unittest.TestCase):
def setUp(self):
self.rho = np.array([[1, 2], [3, 4]])
self.rho_pred = np.array([[1, 2], [3, 4]])
self.filename = 'test_stats.npz'
def test_correctness(self):
get_stats(self.rho, self.rho_pred, self.filename)
with np.load(self.filename) as data:
self.assertAlmostEqual(data['max_loss'], 0.0, places=5)
self.assertEqual(data['avg_loss'], 0.0)
self.assertEqual(data['N'], self.rho.shape[0])
def test_file_creation(self):
get_stats(self.rho, self.rho_pred, self.filename)
self.assertTrue(os.path.exists(self.filename))
def test_file_content(self):
get_stats(self.rho, self.rho_pred, self.filename)
with np.load(self.filename) as data:
self.assertIn('max_loss', data)
self.assertIn('avg_loss', data)
self.assertIn('N', data)
def test_invalid_input(self):
with self.assertRaises(ValueError):
get_stats(np.array([1, 2]), np.array([[1, 2], [3, 4]]))
def tearDown(self):
if os.path.exists(self.filename):
os.remove(self.filename)
if __name__ == '__main__':
unittest.main()
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