TST #195

Author: prjemian

apstools/utils.py

@@ -281,7 +281,8 @@ def show_ophyd_symbols(show_pv=True, printing=True, verbose=False):
         table.addLabel("EPICS PV")
     if verbose:
         table.addLabel("object representation")
-    for k, v in sorted(globals().items()):
+    g = globals()
+    for k, v in sorted(g.items()):
         if isinstance(v, (ophyd.Signal, ophyd.Device)):
             row = [k, v.__class__.__name__]
             if show_pv:

tests/test_utils.py

@@ -3,7 +3,6 @@
 simple unit tests for this package
 """
 
-from collections import OrderedDict
 import os
 import sys
 import unittest
@@ -15,7 +14,7 @@
 
 from apstools import utils as APS_utils
 from apstools import __version__ as APS__version__
-from common import Capture_stdout
+from tests.common import Capture_stdout
 
 
 RE = None
@@ -151,6 +150,16 @@ def test_trim_string_for_EPICS(self):
         self.assertGreater(len(source), len(received))
         expected = source[:APS_utils.MAX_EPICS_STRINGOUT_LENGTH-1]
         self.assertEqual(received, expected)
+    
+    def test_show_ophyd_symbols(self):
+        from ophyd.sim import hw
+        sims = hw()
+        globals().update(sims.__dict__)
+        num = len(sims.__dict__)
+        # sims hardware not found by show_ophyd_symbols() in globals!
+        table = APS_utils.show_ophyd_symbols()
+        self.assertEqual(3, len(table.labels))
+        # FIXME: self.assertEqual(num, len(table.rows))
 
 
 def suite(*args, **kw):