Cosmetic improvements

tests/cli/test_sync.py

@@ -234,7 +234,7 @@ def test_invalid_pairs_as_cli_arg(tmpdir, runner):
 
     result = runner.invoke(['sync', 'foobar/d'])
     assert result.exception
-    assert 'pair foobar: collection d not found' in result.output.lower()
+    assert 'pair foobar: collection "d" not found' in result.output.lower()
 
 
 def test_multiple_pairs(tmpdir, runner):

vdirsyncer/cli/tasks.py

@@ -33,7 +33,7 @@ def prepare_pair(wq, pair_name, collections, config, callback, **kwargs):
                 'Pair {}: Collection {} not found. These are the '
                 'configured collections:\n{}'
                 .format(pair_name,
-                        coerce_native(collection_name),
+                        json.dumps(collection_name),
                         list(all_collections)))
         new_workers += 1
 

vdirsyncer/cli/utils.py

@@ -271,7 +271,7 @@ def _handle_collection_not_found(config, collection, e=None):
 
     cli_logger.error('{}No collection {} found for storage {}.'
                      .format('{}\n'.format(e) if e else '',
-                             coerce_native(collection), storage_name))
+                             json.dumps(collection), storage_name))
 
     if click.confirm('Should vdirsyncer attempt to create it?'):
         storage_type = config['type']