Add limit option to "image list" command

This option is quite useful if there are too many images.

Change-Id: If6a901c27c5da2d1f4412e8fa9ba3bed3b72fdd9
Co-Authored-By: Tang Chen <chen.tang@easystack.cn>
Partial-Bug: #1540988

1 files changed, 17 insertions, 0 deletions

diff --git a/openstackclient/tests/image/v2/test_image.py b/openstackclient/tests/image/v2/test_image.py
index b02b3795..3e31d0ad 100644
--- a/openstackclient/tests/image/v2/test_image.py
+++ b/openstackclient/tests/image/v2/test_image.py
@@ -655,6 +655,23 @@ class TestImageList(TestImage):
         self.assertEqual(self.columns, columns)
         self.assertEqual(self.datalist, tuple(data))
 
+    def test_image_list_limit_option(self):
+        arglist = [
+            '--limit', str(1),
+        ]
+        verifylist = [
+            ('limit', 1),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        columns, data = self.cmd.take_action(parsed_args)
+        self.api_mock.image_list.assert_called_with(
+            limit=1,
+        )
+
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(len(self.datalist), len(tuple(data)))
+
 
 class TestRemoveProjectImage(TestImage):