+ tests utils look_in_catalog

tests/utils/test_phase_center_catalog.py

@@ -4,12 +4,27 @@
 
 import pytest
 
+from pyuvdata import UVData
 import pyuvdata.utils.phase_center_catalog as ps_cat_utils
 
 
+
 def test_generate_new_phase_center_id_errs():
     with pytest.raises(ValueError, match="Cannot specify old_id if no catalog"):
         ps_cat_utils.generate_new_phase_center_id(old_id=1)
 
     with pytest.raises(ValueError, match="Provided cat_id was found in reserved_ids"):
         ps_cat_utils.generate_new_phase_center_id(cat_id=1, reserved_ids=[1, 2, 3])
+
+
+def test_look_in_catalog_missing_entries():
+    phase_cat = UVData().phase_center_catalog
+    # Try that this works normally if we do nothing
+    assert ps_cat_utils.look_in_catalog(phase_cat, cat_name=phase_cat[0]['cat_name']) == (0, 5)
+
+    # Now delete some keys
+    for value in phase_cat.values():
+        if 'cat_times' in value:
+            del value['cat_times']
+    # Now re-run the above and verify things work as expected
+    assert ps_cat_utils.look_in_catalog(phase_cat, cat_name=phase_cat[0]['cat_name']) == (0, 5)