Support Storage Capacity Test

It measures disk size, block size and disk utilization.

JIRA: YARDSTICK-284

Change-Id: I61b3fb8a35da41c77450c157f843fb853d77dddd
Signed-off-by: wangyaoguang <sunshine.wang@huawei.com>

1 files changed, 98 insertions, 0 deletions

diff --git a/tests/unit/benchmark/scenarios/storage/test_storagecapacity.py b/tests/unit/benchmark/scenarios/storage/test_storagecapacity.py
new file mode 100644
index 000000000..cad5ba1d1
--- /dev/null
+++ b/tests/unit/benchmark/scenarios/storage/test_storagecapacity.py
@@ -0,0 +1,98 @@
+#!/usr/bin/env python
+
+##############################################################################
+# Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+# Unittest for yardstick.benchmark.scenarios.storage.storagecapacity.StorageCapacity
+
+import mock
+import unittest
+import os
+import json
+
+from yardstick.benchmark.scenarios.storage import storagecapacity
+
+DISK_SIZE_SAMPLE_OUTPUT = '{"Numberf of devides": "2", "Total disk size": "1024000000 bytes"}'
+BLOCK_SIZE_SAMPLE_OUTPUT = '{"/dev/sda": 1024, "/dev/sdb": 4096}'
+DISK_UTIL_RAW_OUTPUT = "vda 10.00\nvda 0.00"
+DISK_UTIL_SAMPLE_OUTPUT = '{"vda": {"avg_util": 5.0, "max_util": 10.0, "min_util": 0.0}}'
+
+@mock.patch('yardstick.benchmark.scenarios.storage.storagecapacity.ssh')
+class StorageCapacityTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.scn = {
+               "options": {
+                   'test_type': 'disk_size'
+               }
+        }
+        self.ctx = {
+                "host": {
+                    'ip': '172.16.0.137',
+                    'user': 'cirros',
+                    'password': "root"
+                }
+        }
+        self.result = {}
+
+    def test_capacity_successful_setup(self, mock_ssh):
+        c = storagecapacity.StorageCapacity(self.scn, self.ctx)
+
+        mock_ssh.SSH().execute.return_value = (0, '', '')
+        c.setup()
+        self.assertIsNotNone(c.client)
+        self.assertTrue(c.setup_done)
+
+    def test_capacity_disk_size_successful(self, mock_ssh):
+        c = storagecapacity.StorageCapacity(self.scn, self.ctx)
+
+        mock_ssh.SSH().execute.return_value = (0, DISK_SIZE_SAMPLE_OUTPUT, '')
+        c.run(self.result)
+        expected_result = json.loads(DISK_SIZE_SAMPLE_OUTPUT)
+        self.assertEqual(self.result, expected_result)
+
+    def test_capacity_block_size_successful(self, mock_ssh):
+        args = {
+            "options": {
+                'test_type': 'block_size'
+            }
+        }
+        c = storagecapacity.StorageCapacity(args, self.ctx)
+
+        mock_ssh.SSH().execute.return_value = (0, BLOCK_SIZE_SAMPLE_OUTPUT, '')
+        c.run(self.result)
+        expected_result = json.loads(BLOCK_SIZE_SAMPLE_OUTPUT)
+        self.assertEqual(self.result, expected_result)
+
+    def test_capacity_disk_utilization_successful(self, mock_ssh):
+        args = {
+            "options": {
+                'test_type': 'disk_utilization',
+                'interval': 1,
+                'count': 2
+            }
+        }
+        c = storagecapacity.StorageCapacity(args, self.ctx)
+
+        mock_ssh.SSH().execute.return_value = (0, DISK_UTIL_RAW_OUTPUT, '')
+        c.run(self.result)
+        expected_result = json.loads(DISK_UTIL_SAMPLE_OUTPUT)
+        self.assertEqual(self.result, expected_result)
+
+    def test_capacity_unsuccessful_script_error(self, mock_ssh):
+        c = storagecapacity.StorageCapacity(self.scn, self.ctx)
+
+        mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
+        self.assertRaises(RuntimeError, c.run, self.result)
+
+def main():
+    unittest.main()
+
+if __name__ == '__main__':
+    main()