Adds tests for time channel reading

.gitignore

@@ -51,4 +51,5 @@ MANIFEST
 
 # Per-project virtualenvs
 .venv*/
-.conda*/
+.conda*/
+.python-version

tdm_loader/tests/test_time_channel.py

@@ -0,0 +1,38 @@
+"""Test """
+import os
+import pytest
+import numpy as np
+from numpy.testing import assert_array_equal
+
+import tdm_loader as tdm
+
+
+@pytest.fixture(scope="module")
+def tdm_file(request):
+    """Fixture for loading a test tdm file"""
+    filename = request.module.__file__
+    test_dir, _ = os.path.splitext(filename)
+    path = f"{test_dir}/test_file_time.tdm"
+    data = tdm.OpenFile(str(path))
+    return data
+
+
+# pylint: disable=redefined-outer-name
+def test_time_channel(tdm_file):
+    """Test correct reading of the time channel"""
+    time_channel_ref = np.array([
+       '2022-11-04T14:37:48.565332889', '2022-11-04T14:37:49.285334110',
+       '2022-11-04T14:37:49.975335121', '2022-11-04T14:37:50.615335941',
+       '2022-11-04T14:37:51.255336761', '2022-11-04T14:37:51.905337810',
+       '2022-11-04T14:37:52.545338630', '2022-11-04T14:37:53.195339202',
+       '2022-11-04T14:37:53.835340499', '2022-11-04T14:37:54.485341072',
+       '2022-11-04T14:37:55.155342102', '2022-11-04T14:37:55.865343093',
+       '2022-11-04T14:37:56.525343894', '2022-11-04T14:37:57.235344886',
+       '2022-11-04T14:37:57.885345935', '2022-11-04T14:37:58.525346755',
+       '2022-11-04T14:37:59.165347576', '2022-11-04T14:37:59.905348777',
+       '2022-11-04T14:38:00.565349578', '2022-11-04T14:38:01.215350627',
+       '2022-11-04T14:38:01.865351676', '2022-11-04T14:38:02.555352687',
+       '2022-11-04T14:38:03.205353260', '2022-11-04T14:38:03.845354080',
+       '2022-11-04T14:38:04.485355377', '2022-11-04T14:38:05.125356197',
+       '2022-11-04T14:38:05.765357017'], dtype='datetime64[ns]')
+    assert_array_equal(tdm_file.channel(0, "Time"), time_channel_ref)