test for group_uuid

tests/core/test_funcs.py

@@ -1,8 +1,9 @@
+import uuid
 from typing import Optional
 
 import pytest
 
-from dls_bluesky_core.core import in_micros, step_to_num
+from dls_bluesky_core.core import group_uuid, in_micros, step_to_num
 
 
 @pytest.mark.parametrize(
@@ -36,6 +37,13 @@ def test_in_micros(us: float, s: int):
  (0, 0.98, 1, 1, 0), # stop < start + 0.99*step, not included
  (0, 1.01, 1, 2, 1), # stop >= start + 0.99*step, included
  (0, 1.75, 0.25, 8, 1.75),
+ (0, 0, -1, 1, None), # start=stop, 1 point at start
+ (0, 0.5, -1, 1, 0), # abs(step)>length, 1 point at start
+ (0, -1, 1, 2, None), # stop=start+-abs(step), point at start & stop
+ (0, -0.99, 1, 2, -1), # stop >= start + 0.99*-abs(step), included
+ (0, -0.98, 1, 1, 0), # stop < start + 0.99*-abs(step), not included
+ (0, -1.01, 1, 2, -1), # stop >= start + 0.99*-abs(step), included
+ (0, -1.75, 0.25, 8, -1.75),
  ],
 )
 def test_step_to_num(
@@ -50,3 +58,10 @@ def test_step_to_num(
  assert actual_start == start
  assert actual_stop == truncated_stop
  assert num == expected_num
+
+
+@pytest.mark.parametrize("group", ["foo", "bar", "baz", str(uuid.uuid4())])
+def test_group_uid(group: str):
+ gid = group_uuid(group)
+ assert gid.startswith(f"{group}-")
+ assert not gid.endswith(f"{group}-")