Exclude some test code that doesn't need coverage

Author: dwhswenson

paths_cli/tests/commands/test_md.py

@@ -159,7 +159,7 @@ def test_md_main(md_fixture, inp):
             nsteps, ensembles = 5, None
         elif inp == 'ensemble':
             nsteps, ensembles = None, [ens]
-        else:
+        else:  # -no-cov-
             raise RuntimeError("pytest went crazy")
 
         traj, foo = md_main(

paths_cli/tests/commands/utils.py

@@ -1,7 +1,7 @@
 import traceback
 
 def assert_click_success(result):
-    if result.exit_code != 0:
+    if result.exit_code != 0:  # -no-cov-  (only occurs on test error)
         print(result.output)
         traceback.print_tb(result.exc_info[2])
         print(result.exc_info[0], result.exc_info[1])

paths_cli/tests/compiling/test_core.py

@@ -332,7 +332,7 @@ def _validate_obj(obj, input_type):
             assert obj == 'bar'
         elif input_type == 'dict':
             assert obj.data == 'qux'
-        else:
+        else:  # -no-cov-
             raise RuntimeError("Error in test setup")
 
     @pytest.mark.parametrize('input_type', ['str', 'dict'])

paths_cli/tests/test_file_copying.py

@@ -59,7 +59,8 @@ def __init__(self):
                 self.previously_seen = set([])
 
             def __call__(self, snap):
-                if snap in self.previously_seen:
+                if snap in self.previously_seen:  # -no-cov-
+                    # this is only covered if an error occurs
                     raise AssertionError("Second CV eval for " + str(snap))
                 self.previously_seen.update({snap})
                 return snap.xyz[0][0]

paths_cli/tests/utils.py

@@ -3,13 +3,13 @@
 
 try:
     urllib.request.urlopen('https://www.google.com')
-except:
+except:  # -no-cov-
     HAS_INTERNET = False
 else:
     HAS_INTERNET = True
 
 def assert_url(url):
-    if not HAS_INTERNET:
+    if not HAS_INTERNET:  # -no-cov-
         pytest.skip("Internet connection seems faulty")
 
     # TODO: On a 404 this will raise a urllib.error.HTTPError. It would be

paths_cli/tests/wizard/mock_wizard.py

@@ -30,7 +30,9 @@ def input(self, content):
         self.input_call_count += 1
         try:
             user_input = next(self._input_iter)
-        except StopIteration as e:
+        except StopIteration as e:  # -no-cov-
+            # this only occurs on a test error and provides diagnostic
+            # information
             print(self.log_text)
             raise e
 

paths_cli/tests/wizard/test_load_from_ops.py

@@ -25,7 +25,7 @@ def __getitem__(self, key):
             return self._objects[key]
         elif isinstance(key, str):
             return self._named_objects[key]
-        else:
+        else:  # -nocov-
             raise TypeError("Huh?")
 
     def __iter__(self):