Unittest for crashing publish and the cleanup of the partially copied data.

plotid/example.py

@@ -57,4 +57,4 @@ IMGS_AS_LIST = [IMG1, IMG2]
 
 publish(['../README.md', '../docs', '../LICENSE'],
         '/home/chief/Dokumente/fst/plotid_python/data',
-        TAGGED_FIGS, 'Bild4')
+        TAGGED_FIGS, 'Bild')

plotid/publish.py

@@ -164,7 +164,8 @@ class PublishOptions:
                                        ' removed? (yes/no[default])\n')
                     if delete_dir in ('yes', 'y'):
                         shutil.rmtree(dst_path_invisible)
-                    raise RuntimeError('Publishing was unsuccessful.') from exc
+                    raise RuntimeError('Publishing was unsuccessful. '
+                                       'Try re-running publish.') from exc
             case _:
                 raise ValueError(f'The data storage method {self.data_storage}'
                                  ' is not available.')

tests/test_publish.py

@@ -175,13 +175,18 @@ class TestPublish(unittest.TestCase):
     @unittest.skipIf(not os.path.isfile(sys.argv[0]), 'Publish is not called '
                      'from a Python script. Therefore, the script cannot be '
                      'copied.')
-    def test_dst__invisible_already_exists(self):
+    def test_dst_invisible_already_exists(self):
         """
-        Test if publish succeeds when there is already an invisible
-        directory from a previous run (delete the folder and proceed).
+        Test if after a crash of publish the partially copied data is
+        removed.
+        To mock this, the invisible directory already exists.
         """
         os.mkdir(INVISIBLE_PATH)
+        # Mock user input as 'yes'
+        with patch('builtins.input', return_value='yes'):
+            with self.assertRaises(RuntimeError):
                 publish(SRC_DIR, DST_PATH, FIG, PIC_NAME, 'individual')
+        assert not os.path.isdir(INVISIBLE_PATH)
 
     def test_plot_names(self):
         """ Test if Error is raised if plot_name is not a string. """