Add unit tests for BayManager.list() method

The BayManager.list() has already supported the pagination
and sorting features, but there is no unit case to cover
them. This patch tries to add some tests for them.

Change-Id: Ib9936e46b7284894be56487828de22bf37762bd3
Partial-Bug: #1559838

magnumclient/tests/v1/test_bays.py

@@ -96,6 +96,48 @@ fake_responses = {
             UPDATED_BAY,
         ),
     },
+    '/v1/bays/?limit=2':
+    {
+        'GET': (
+            {},
+            {'bays': [BAY1, BAY2]},
+        ),
+    },
+    '/v1/bays/?marker=%s' % BAY2['uuid']:
+    {
+        'GET': (
+            {},
+            {'bays': [BAY1, BAY2]},
+        ),
+    },
+    '/v1/bays/?limit=2&marker=%s' % BAY2['uuid']:
+    {
+        'GET': (
+            {},
+            {'bays': [BAY1, BAY2]},
+        ),
+    },
+    '/v1/bays/?sort_dir=asc':
+    {
+        'GET': (
+            {},
+            {'bays': [BAY1, BAY2]},
+        ),
+    },
+    '/v1/bays/?sort_key=uuid':
+    {
+        'GET': (
+            {},
+            {'bays': [BAY1, BAY2]},
+        ),
+    },
+    '/v1/bays/?sort_key=uuid&sort_dir=desc':
+    {
+        'GET': (
+            {},
+            {'bays': [BAY2, BAY1]},
+        ),
+    },
 }
 
 
@@ -114,6 +156,64 @@ class BayManagerTest(testtools.TestCase):
         self.assertEqual(expect, self.api.calls)
         self.assertThat(bays, matchers.HasLength(2))
 
+    def _test_bay_list_with_filters(self, limit=None, marker=None,
+                                    sort_key=None, sort_dir=None,
+                                    detail=False, expect=[]):
+        bays_filter = self.mgr.list(limit=limit, marker=marker,
+                                    sort_key=sort_key,
+                                    sort_dir=sort_dir,
+                                    detail=detail)
+        self.assertEqual(expect, self.api.calls)
+        self.assertThat(bays_filter, matchers.HasLength(2))
+
+    def test_bay_list_with_limit(self):
+        expect = [
+            ('GET', '/v1/bays/?limit=2', {}, None),
+        ]
+        self._test_bay_list_with_filters(
+            limit=2,
+            expect=expect)
+
+    def test_bay_list_with_marker(self):
+        expect = [
+            ('GET', '/v1/bays/?marker=%s' % BAY2['uuid'], {}, None),
+        ]
+        self._test_bay_list_with_filters(
+            marker=BAY2['uuid'],
+            expect=expect)
+
+    def test_bay_list_with_marker_limit(self):
+        expect = [
+            ('GET', '/v1/bays/?limit=2&marker=%s' % BAY2['uuid'], {}, None),
+        ]
+        self._test_bay_list_with_filters(
+            limit=2, marker=BAY2['uuid'],
+            expect=expect)
+
+    def test_bay_list_with_sort_dir(self):
+        expect = [
+            ('GET', '/v1/bays/?sort_dir=asc', {}, None),
+        ]
+        self._test_bay_list_with_filters(
+            sort_dir='asc',
+            expect=expect)
+
+    def test_bay_list_with_sort_key(self):
+        expect = [
+            ('GET', '/v1/bays/?sort_key=uuid', {}, None),
+        ]
+        self._test_bay_list_with_filters(
+            sort_key='uuid',
+            expect=expect)
+
+    def test_bay_list_with_sort_key_dir(self):
+        expect = [
+            ('GET', '/v1/bays/?sort_key=uuid&sort_dir=desc', {}, None),
+        ]
+        self._test_bay_list_with_filters(
+            sort_key='uuid', sort_dir='desc',
+            expect=expect)
+
     def test_bay_show_by_id(self):
         bay = self.mgr.get(BAY1['id'])
         expect = [