Add unit test for fio

Sample output from fio_benchmark.bash is read from a string.
Running of unittest from run_test.sh is NOT enabled.

JIRA:-

Change-Id: If4f4d00cf215fa1d332260817a8a3e702e72fd7e
Signed-off-by: Kristian Hunt <kristian.hunt@gmail.com>

2 files changed, 88 insertions, 0 deletions

diff --git a/tests/unit/benchmark/scenarios/storage/__init__.py b/tests/unit/benchmark/scenarios/storage/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/tests/unit/benchmark/scenarios/storage/__init__.py
diff --git a/tests/unit/benchmark/scenarios/storage/test_fio.py b/tests/unit/benchmark/scenarios/storage/test_fio.py
new file mode 100644
index 000000000..54f493ee6
--- /dev/null
+++ b/tests/unit/benchmark/scenarios/storage/test_fio.py
@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+
+##############################################################################
+# Copyright (c) 2015 Ericsson AB 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.fio.Fio
+
+import mock
+import unittest
+import json
+
+from yardstick.benchmark.scenarios.storage import fio
+
+
+@mock.patch('yardstick.benchmark.scenarios.storage.fio.ssh')
+class FioTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.ctx = {
+            'host': '172.16.0.137',
+            'user': 'cirros',
+            'key_filename': "mykey.key"
+        }
+
+    def test_fio_successful_setup(self, mock_ssh):
+
+        p = fio.Fio(self.ctx)
+        options = {
+            'filename': "/home/ec2-user/data.raw",
+            'bs': "4k",
+            'rw': "write",
+            'ramp_time': 10
+        }
+        args = {'options': options}
+        p.setup()
+
+        mock_ssh.SSH().execute.return_value = (0, '', '')
+        self.assertIsNotNone(p.client)
+        self.assertEqual(p.setup_done, True)
+
+    def test_fio_successful_no_sla(self, mock_ssh):
+
+        p = fio.Fio(self.ctx)
+        options = {
+            'filename': "/home/ec2-user/data.raw",
+            'bs': "4k",
+            'rw': "write",
+            'ramp_time': 10
+        }
+        args = {'options': options}
+        p.client = mock_ssh.SSH()
+
+        sample_output = '{"read_bw": "N/A", "write_lat": "407.08usec", \
+            "read_iops": "N/A", "write_bw": "9507KB/s", \
+            "write_iops": "2376", "read_lat": "N/A"}'
+        mock_ssh.SSH().execute.return_value = (0, sample_output, '')
+
+        result = p.run(args)
+        expected_result = json.loads(sample_output)
+        self.assertEqual(result, expected_result)
+
+    def test_fio_unsuccessful_script_error(self, mock_ssh):
+
+        p = fio.Fio(self.ctx)
+        options = {
+            'filename': "/home/ec2-user/data.raw",
+            'bs': "4k",
+            'rw': "write",
+            'ramp_time': 10
+        }
+        args = {'options': options}
+        p.client = mock_ssh.SSH()
+
+        mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
+        self.assertRaises(RuntimeError, p.run, args)
+
+
+def main():
+    unittest.main()
+
+if __name__ == '__main__':
+    main()