Implemented defaults for args with nargs > 1.

This fixes #463

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/test_arguments.py b/tests/test_arguments.py
index 570888c..751ca69 100644
--- a/tests/test_arguments.py
+++ b/tests/test_arguments.py
@@ -258,3 +258,21 @@ def test_nargs_specified_plus_star_ordering(runner):
         'd',
         PY2 and "(u'e', u'f')" or "('e', 'f')",
     ]
+
+
+def test_defaults_for_nargs(runner):
+    @click.command()
+    @click.argument('a', nargs=2, type=int, default=(1, 2))
+    def cmd(a):
+        x, y = a
+        click.echo(x + y)
+
+    result = runner.invoke(cmd, [])
+    assert result.output.strip() == '3'
+
+    result = runner.invoke(cmd, ['3', '4'])
+    assert result.output.strip() == '7'
+
+    result = runner.invoke(cmd, ['3'])
+    assert result.exception is not None
+    assert 'argument a takes 2 values' in result.output