Add unit test for iperf3

Sample output from the iperf3 is read from a pre-generated json file.

Change-Id: I6e04c6bd2e61b841c7e5673cfa78aeb17220a5f9
JIRA:-
Signed-off-by: Kristian Hunt <kristian.hunt@gmail.com>

1 files changed, 133 insertions, 0 deletions

diff --git a/tests/unit/benchmark/scenarios/networking/test_iperf3.py b/tests/unit/benchmark/scenarios/networking/test_iperf3.py
new file mode 100644
index 000000000..239e46a1c
--- /dev/null
+++ b/tests/unit/benchmark/scenarios/networking/test_iperf3.py
@@ -0,0 +1,133 @@
+#!/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.networking.iperf3.Iperf
+
+import mock
+import unittest
+import os
+import json
+
+from yardstick.benchmark.scenarios.networking import iperf3
+
+
+@mock.patch('yardstick.benchmark.scenarios.networking.iperf3.ssh')
+class IperfTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.ctx = {
+            'host': '172.16.0.137',
+            'target': '172.16.0.138',
+            'user': 'cirros',
+            'key_filename': "mykey.key"
+        }
+
+    def test_iperf_successful_setup(self, mock_ssh):
+
+        p = iperf3.Iperf(self.ctx)
+        mock_ssh.SSH().execute.return_value = (0, '', '')
+
+        p.setup()
+        self.assertIsNotNone(p.target)
+        self.assertIsNotNone(p.host)
+        mock_ssh.SSH().execute.assert_called_with("iperf3 -s -D")
+
+    def test_iperf_unsuccessful_setup(self, mock_ssh):
+
+        p = iperf3.Iperf(self.ctx)
+        mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
+        self.assertRaises(RuntimeError, p.setup)
+
+    def test_iperf_successful_teardown(self, mock_ssh):
+
+        p = iperf3.Iperf(self.ctx)
+        mock_ssh.SSH().execute.return_value = (0, '', '')
+        p.host = mock_ssh.SSH()
+        p.target = mock_ssh.SSH()
+
+        p.teardown()
+        self.assertTrue(mock_ssh.SSH().close.called)
+        mock_ssh.SSH().execute.assert_called_with("pkill iperf3")
+
+    def test_iperf_successful_no_sla(self, mock_ssh):
+
+        p = iperf3.Iperf(self.ctx)
+        mock_ssh.SSH().execute.return_value = (0, '', '')
+        p.host = mock_ssh.SSH()
+
+        options = {}
+        args = {'options': options}
+
+        sample_output = self._read_sample_output()
+        mock_ssh.SSH().execute.return_value = (0, sample_output, '')
+        expected_result = json.loads(sample_output)
+        result = p.run(args)
+        self.assertEqual(result, expected_result)
+
+    def test_iperf_successful_sla(self, mock_ssh):
+
+        p = iperf3.Iperf(self.ctx)
+        mock_ssh.SSH().execute.return_value = (0, '', '')
+        p.host = mock_ssh.SSH()
+
+        options = {}
+        args = {
+            'options': options,
+            'sla': {'bytes_per_second': 15000000}
+        }
+
+        sample_output = self._read_sample_output()
+        mock_ssh.SSH().execute.return_value = (0, sample_output, '')
+        expected_result = json.loads(sample_output)
+        result = p.run(args)
+        self.assertEqual(result, expected_result)
+
+    def test_iperf_unsuccessful_sla(self, mock_ssh):
+
+        p = iperf3.Iperf(self.ctx)
+        mock_ssh.SSH().execute.return_value = (0, '', '')
+        p.host = mock_ssh.SSH()
+
+        options = {}
+        args = {
+            'options': options,
+            'sla': {'bytes_per_second': 25000000}
+        }
+
+        sample_output = self._read_sample_output()
+        mock_ssh.SSH().execute.return_value = (0, sample_output, '')
+        self.assertRaises(AssertionError, p.run, args)
+
+    def test_iperf_unsuccessful_script_error(self, mock_ssh):
+
+        p = iperf3.Iperf(self.ctx)
+        mock_ssh.SSH().execute.return_value = (0, '', '')
+        p.host = mock_ssh.SSH()
+
+        options = {}
+        args = {'options': options}
+
+        mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
+        self.assertRaises(RuntimeError, p.run, args)
+
+    def _read_sample_output(self):
+        curr_path = os.path.dirname(os.path.abspath(__file__))
+        output = os.path.join(curr_path, 'iperf3_sample_output.json')
+        with open(output) as f:
+            sample_output = f.read()
+        return sample_output
+
+
+def main():
+    unittest.main()
+
+if __name__ == '__main__':
+    main()