fix: add tests for non contiguous behavior

tests/test_read_write.py

@@ -58,6 +58,40 @@ def test_round_trip_array_datatypes():
             np.testing.assert_array_almost_equal(read_data, test_data, decimal=4)
 
 
+def test_write_contiguous_array_succeeds(empty_temp_om_file):
+    data = np.arange(24, dtype=np.float32).reshape(4, 6)
+    assert data.flags["C_CONTIGUOUS"]
+
+    writer = omfiles.OmFileWriter(empty_temp_om_file)
+    variable = writer.write_array(data, chunks=[2, 3], scale_factor=10000.0)
+    writer.close(variable)
+
+    reader = omfiles.OmFileReader(empty_temp_om_file)
+    read_data = reader[:]
+    reader.close()
+
+    assert read_data.shape == data.shape
+    assert read_data.dtype == data.dtype
+    np.testing.assert_array_almost_equal(read_data, data, decimal=4)
+
+
+@pytest.mark.parametrize(
+    "data",
+    [
+        np.arange(24, dtype=np.float32).reshape(4, 6).T,
+        np.arange(24, dtype=np.float32).reshape(4, 6)[:, ::2],
+    ],
+)
+def test_write_non_contiguous_array_raises(data, empty_temp_om_file):
+    assert not data.flags["C_CONTIGUOUS"]
+
+    writer = omfiles.OmFileWriter(empty_temp_om_file)
+    with pytest.raises(RuntimeError) as exc_info:
+        writer.write_array(data, chunks=[1] * data.ndim, scale_factor=10000.0)
+
+    assert "Array not contiguous" == exc_info.value.args[0]
+
+
 def test_write_hierarchical_file(empty_temp_om_file):
     # Create test data
     root_data = np.random.rand(10, 10).astype(np.float32)