1 files changed, 131 insertions, 0 deletions
diff --git a/test/harness/tests.py b/test/harness/tests.py
new file mode 100644
index 0000000..7cc960b
--- /dev/null
+++ b/test/harness/tests.py
@@ -0,0 +1,131 @@
+"""
+tests -- the actual TestCase (just one)
+"""
+
+import sys
+import os
+import unittest
+
+from . import util
+from .util import Global
+from .iscsi import IscsiData
+
+
+class TestRegression(unittest.TestCase):
+    """
+    Regression testing
+    """
+
+    @classmethod
+    def setUpClass(cls):
+        util.verify_needed_commands_exist(['parted', 'fio', 'mkfs', 'bonnie++', 'sgdisk', 'iscsiadm'])
+        util.vprint('*** Starting %s' % cls.__name__)
+        # XXX validate that target exists?
+        # an array of first burts, max burst, and max recv values, for testing
+        cls.param_values = [[4096, 4096, 4096],
+                            [8192, 4096, 4096],
+                            [16384, 4096, 4096],
+                            [32768, 4096, 4096],
+                            [65536, 4096, 4096],
+                            [131972, 4096, 4096],
+                            [4096, 8192, 4096],
+                            [4096, 16384, 4096],
+                            [4096, 32768, 4096],
+                            [4096, 65536, 4096],
+                            [4096, 131072, 4096],
+                            [4096, 4096, 8192],
+                            [4096, 4096, 16384],
+                            [4096, 4096, 32768],
+                            [4096, 4096, 65536],
+                            [4096, 4096, 131072]]
+
+    def setUp(self):
+        if Global.debug or Global.verbosity > 1:
+            # this makes debug printing a little more clean
+            print('', file=sys.stderr)
+
+    def iscsi_logout(self):
+        res = util.run_cmd(['iscsiadm', '-m', 'node',
+                            '-T', Global.target,
+                            '-p', Global.ipnr,
+                            '--logout'])
+        if res not in [0, 21]:
+            self.fail('logout failed')
+        self.assertFalse(os.path.exists(Global.device), '%s: exists after logout!' % Global.device)
+
+    def test_InitialR2T_on_ImmediateData_off(self):
+        """Test Initial Request to Transmit on, but Immediate Data off"""
+        i = 1
+        for v in self.param_values:
+            with self.subTest('Testing FirstBurst={} MaxBurts={} MaxRecv={}'.format(*v), i=i):
+                util.vprint('Running subtest %d: FirstBurst={} MaxBurts={} MaxRecv={}'.format(*v) % i)
+                self.iscsi_logout()
+                iscsi_data = IscsiData('No', 'Yes', 'None', 'None', v[0], v[1], v[2])
+                iscsi_data.update_cfg(Global.target, Global.ipnr)
+                self.run_the_rest()
+            i += 1
+
+    def test_InitialR2T_off_ImmediateData_on(self):
+        """Test Initial Request to Transmit off, Immediate Data on"""
+        i = 1
+        for v in self.param_values:
+            with self.subTest('Testing FirstBurst={} MaxBurts={} MaxRecv={}'.format(*v), i=i):
+                self.iscsi_logout()
+                iscsi_data = IscsiData('Yes', 'No', 'None', 'None', v[0], v[1], v[2])
+                iscsi_data.update_cfg(Global.target, Global.ipnr)
+                self.run_the_rest()
+            i += 1
+
+    def test_InitialR2T_on_ImmediateData_on(self):
+        """Test Initial Request to Transmit and Immediate Data on"""
+        i = 1
+        for v in self.param_values:
+            with self.subTest('Testing FirstBurst={} MaxBurts={} MaxRecv={}'.format(*v), i=i):
+                util.vprint('Running subtest %d: FirstBurst={} MaxBurts={} MaxRecv={}'.format(*v) % i)
+                self.iscsi_logout()
+                iscsi_data = IscsiData('Yes', 'Yes', 'None', 'None', v[0], v[1], v[2])
+                iscsi_data.update_cfg(Global.target, Global.ipnr)
+                self.run_the_rest()
+            i += 1
+
+    def test_InitialR2T_off_ImmediateData_off(self):
+        """Test Initial Request to Transmit and Immediate Data off"""
+        i = 1
+        for v in self.param_values:
+            with self.subTest('Testing FirstBurst={} MaxBurts={} MaxRecv={}'.format(*v), i=i):
+                util.vprint('Running subtest %d: FirstBurst={} MaxBurts={} MaxRecv={}'.format(*v) % i)
+                self.iscsi_logout()
+                iscsi_data = IscsiData('No', 'No', 'None', 'None', v[0], v[1], v[2])
+                iscsi_data.update_cfg(Global.target, Global.ipnr)
+                self.run_the_rest()
+            i += 1
+
+    def run_the_rest(self):
+        res = util.run_cmd(['iscsiadm', '-m', 'node',
+                            '-T', Global.target,
+                            '-p', Global.ipnr,
+                            '--login'])
+        self.assertEqual(res, 0, 'cannot login to device')
+        # wait a few seconds for the device to show up
+        if not util.wait_for_path(Global.device):
+            self.fail('%s: does not exist after login' % Global.device)
+        (res, reason) = util.run_fio()
+        self.assertEqual(res, 0, reason)
+        (res, reason) = util.run_parted()
+        self.assertEqual(res, 0, reason)
+        (res, reason) = util.run_mkfs()
+        self.assertEqual(res, 0, reason)
+        (res, reason) = util.run_bonnie()
+        self.assertEqual(res, 0, reason)
+
+    @classmethod
+    def tearDownClass(cls):
+        # restore iscsi config
+        iscsi_data = IscsiData()
+        iscsi_data.update_cfg(Global.target, Global.ipnr)
+        # log out of iscsi connection
+        util.run_cmd(['iscsiadm', '-m', 'node',
+                      '-T', Global.target,
+                      '-p', Global.ipnr,
+                      '--logout'])
+