don't show empty multiple=True default

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/test_options.py b/tests/test_options.py
index bddd194..53179e8 100644
--- a/tests/test_options.py
+++ b/tests/test_options.py
@@ -728,6 +728,16 @@ def test_do_not_show_no_default(runner):
     assert "[default: None]" not in message
 
 
+def test_do_not_show_default_empty_multiple():
+    """When show_default is True and multiple=True is set, it should not
+    print empty default value in --help output.
+    """
+    opt = click.Option(["-a"], multiple=True, help="values", show_default=True)
+    ctx = click.Context(click.Command("cli"))
+    message = opt.get_help_record(ctx)[1]
+    assert message == "values"
+
+
 @pytest.mark.parametrize(
     ("args", "expect"),
     [