F h5 cfood

https://gitlab.com/caosdb/caosdb-advanced-user-tools/-/merge_requests/78

unittests/test_h5.py

@@ -2,6 +2,7 @@ import unittest
 from tempfile import NamedTemporaryFile
 
 import caosdb as db
+import caosdb.apiutils
 import h5py
 import numpy as np
 from caosadvancedtools.cfoods import h5
@@ -21,9 +22,6 @@ def dummy_get(eid):
     return ENTS[eid]
 
 
-h5.get_entity = dummy_get
-
-
 class H5CFoodTest(unittest.TestCase):
     def setUp(self):
         self.h5file = NamedTemporaryFile(delete=False, suffix=".h5")
@@ -76,6 +74,9 @@ class H5CFoodTest(unittest.TestCase):
             self.assertEqual(i.name, "group_level2_aa")
 
     def test_collect_existing_structure(self):
+        real_retrieve = caosdb.apiutils.retrieve_entity_with_id
+        caosdb.apiutils.retrieve_entity_with_id = dummy_get
+
         # should run without problem
         h5.collect_existing_structure(db.Record(), db.Record(id=234), h5.EntityMapping())
 
@@ -88,8 +89,8 @@ class H5CFoodTest(unittest.TestCase):
         r_target.add_property("test", value=r_child, datatype=db.REFERENCE)
         em = h5.EntityMapping()
         h5.collect_existing_structure(r_target, r_exist, em)
-        self.assertEqual(em.to_existing[r_child._cuid], ENTS[101])
-        self.assertEqual(em.to_target[101], r_child)
+        self.assertTrue(em.to_existing[r_child._cuid] is ENTS[101])
+        self.assertTrue(em.to_target[101] is r_child)
 
         # test with retrieval: the existing Record has another Property
         # -> The referenced Entities are matched
@@ -147,6 +148,8 @@ class H5CFoodTest(unittest.TestCase):
         self.assertEqual(em.to_existing[r_child2._cuid], ENTS[101])
         self.assertEqual(em.to_target[101], r_child2)
 
+        caosdb.apiutils.retrieve_entity_with_id = real_retrieve
+
     def test_h5_attr_to_property(self):
 
         test_int: int = 1