add start of testing hmm

Author: OnnoKampman

tests/fcest/models/test_hidden_markov_models.py

@@ -0,0 +1,43 @@
+import logging
+import unittest
+
+import numpy as np
+from numpy.testing import assert_array_almost_equal
+import pandas as pd
+
+from fcest.models.hidden_markov_models import HiddenMarkovModel
+
+logging.basicConfig(
+    format='%(asctime)s : %(levelname)s : %(message)s',
+    datefmt='%d-%b-%y %H:%M:%S',
+    level=logging.INFO
+)
+
+
+class TestHiddenMarkovModel(unittest.TestCase):
+    """
+    Test the HiddenMarkovModel class.
+    """
+
+    def test_hidden_markov_model(self):
+        """
+        Test various instantiations of the HiddenMarkovModel class.
+        """
+
+        m = HiddenMarkovModel()
+        m.fit_model(
+            training_data_df=self._get_dummy_training_data(),
+        )
+
+    @staticmethod
+    def _get_dummy_training_data(
+        num_time_series: int = 2, num_time_steps: int = 400
+    ) -> pd.DataFrame:
+        np.random.seed(2023)
+        return pd.DataFrame(
+            np.random.normal(size=(num_time_steps, num_time_series))
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()