Add unit tests for "host list" and "host show" commands

Missing unit tests for "host list" and "host show" commands
in computev2, this patch add them.

Change-Id: Ib157920fa2267ec96d206cdf46213563a105501b

Author: Huanxuan Ao

openstackclient/tests/compute/v2/fakes.py

@@ -1088,7 +1088,13 @@ def create_one_host(attrs=None):
             "stats": "",
             "numa_topology": "",
             "ram_allocation_ratio": 1.0,
-            "cpu_allocation_ratio": 1.0
+            "cpu_allocation_ratio": 1.0,
+            "zone": 'zone-' + uuid.uuid4().hex,
+            "host_name": 'name-' + uuid.uuid4().hex,
+            "service": 'service-' + uuid.uuid4().hex,
+            "cpu": 4,
+            "disk_gb": 100,
+            'project': 'project-' + uuid.uuid4().hex,
         }
         host_info.update(attrs)
         host = fakes.FakeResource(

openstackclient/tests/compute/v2/test_host.py

@@ -15,6 +15,7 @@
 
 from openstackclient.compute.v2 import host
 from openstackclient.tests.compute.v2 import fakes as compute_fakes
+from openstackclient.tests import utils as tests_utils
 
 
 class TestHost(compute_fakes.TestComputev2):
@@ -27,6 +28,58 @@ def setUp(self):
         self.host_mock.reset_mock()
 
 
+class TestHostList(TestHost):
+
+    host = compute_fakes.FakeHost.create_one_host()
+
+    columns = (
+        'Host Name',
+        'Service',
+        'Zone',
+    )
+
+    data = [(
+        host.host_name,
+        host.service,
+        host.zone,
+    )]
+
+    def setUp(self):
+        super(TestHostList, self).setUp()
+
+        self.host_mock.list_all.return_value = [self.host]
+
+        self.cmd = host.ListHost(self.app, None)
+
+    def test_host_list_no_option(self):
+        arglist = []
+        verifylist = []
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        columns, data = self.cmd.take_action(parsed_args)
+
+        self.host_mock.list_all.assert_called_with(None)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.data, list(data))
+
+    def test_host_list_with_option(self):
+        arglist = [
+            '--zone', self.host.zone,
+        ]
+        verifylist = [
+            ('zone', self.host.zone),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        columns, data = self.cmd.take_action(parsed_args)
+
+        self.host_mock.list_all.assert_called_with(self.host.zone)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.data, list(data))
+
+
 class TestHostSet(TestHost):
 
     def setUp(self):
@@ -73,3 +126,54 @@ def test_host_set(self):
 
         body = {'status': 'enable', 'maintenance_mode': 'disable'}
         self.host_mock.update.assert_called_with(self.host.host, body)
+
+
+class TestHostShow(TestHost):
+
+    host = compute_fakes.FakeHost.create_one_host()
+
+    columns = (
+        'Host',
+        'Project',
+        'CPU',
+        'Memory MB',
+        'Disk GB',
+    )
+    data = [(
+        host.host,
+        host.project,
+        host.cpu,
+        host.memory_mb,
+        host.disk_gb,
+    )]
+
+    def setUp(self):
+        super(TestHostShow, self).setUp()
+
+        self.host_mock.get.return_value = [self.host]
+
+        self.cmd = host.ShowHost(self.app, None)
+
+    def test_host_show_no_option(self):
+        arglist = []
+        verifylist = []
+
+        # Missing required args should bail here
+        self.assertRaises(tests_utils.ParserException, self.check_parser,
+                          self.cmd, arglist, verifylist)
+
+    def test_host_show_with_option(self):
+        arglist = [
+            self.host.host_name,
+        ]
+        verifylist = [
+            ('host', self.host.host_name),
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        columns, data = self.cmd.take_action(parsed_args)
+
+        self.host_mock.get.assert_called_with(self.host.host_name)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual(self.data, list(data))