ftests: Add invalid parameter test for cgconfigparser

Add a test that provides invalid parameters into cgconfigparser.

-----------------------------------------------------------------
Test Results:
        Run Date:                          Mar 10 02:15:56
        Passed:                                  1 test(s)
        Skipped:                                 0 test(s)
        Failed:                                  0 test(s)
-----------------------------------------------------------------
Timing Results:
        Test                                    Time (sec)
        ---------------------------------------------------------
        setup                                        13.46
        021-cgconfig-invalid_options.py               0.31
        teardown                                      0.00
        ---------------------------------------------------------
        Total Run Time                               13.77

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>

diff --git a/ftests/021-cgconfig-invalid_options.py b/ftests/021-cgconfig-invalid_options.py
new file mode 100755 (executable)
index 0000000..2cc5b07
--- /dev/null
+++ b/ftests/021-cgconfig-invalid_options.py
@@ -0,0 +1,104 @@
+#!/usr/bin/env python3
+#
+# cgconfigparser functionality test - invalid and help options
+#
+# Copyright (c) 2021 Oracle and/or its affiliates.
+# Author: Tom Hromatka <tom.hromatka@oracle.com>
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License as
+# published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses>.
+#
+
+from cgroup import Cgroup, CgroupVersion
+import consts
+import ftests
+import os
+from run import RunError
+import sys
+
+CONTROLLER = 'cpuset'
+CGNAME = '021cgconfig'
+
+CONFIG_FILE = '''group
+{} {{
+    {} {{
+       cpuset.cpus = abc123;
+    }}
+}}'''.format(CGNAME, CONTROLLER)
+
+USER = 'cguser021'
+
+CONFIG_FILE_NAME = os.path.join(os.getcwd(), '021cgconfig.conf')
+
+def prereqs(config):
+    result = consts.TEST_PASSED
+    cause = None
+
+    return result, cause
+
+def setup(config):
+    f = open(CONFIG_FILE_NAME, 'w')
+    f.write(CONFIG_FILE)
+    f.close()
+
+def test(config):
+    result = consts.TEST_PASSED
+    cause = None
+
+    ret = Cgroup.configparser(config, cghelp=True)
+    if not "Parse and load the specified cgroups" in ret:
+        result = consts.TEST_FAILED
+        cause = "Failed to print cgconfigparser help text"
+        return result, cause
+
+    try:
+        Cgroup.configparser(config, load_file=CONFIG_FILE_NAME)
+    except RunError as re:
+        if not "Invalid argument" in re.stderr:
+            result = consts.TEST_FAILED
+            cause = "Expected 'Invalid argument' to be in stderr"
+            return result, cause
+
+        if re.ret != 96:
+            result = consts.TEST_FAILED
+            cause = "Expected return code of 96 but received {}".format(re.ret)
+            return result, cause
+    else:
+        result = consts.TEST_FAILED
+        cause = "Test case erroneously passed"
+        return result, cause
+
+    return result, cause
+
+def teardown(config):
+    os.remove(CONFIG_FILE_NAME)
+
+def main(config):
+    [result, cause] = prereqs(config)
+    if result != consts.TEST_PASSED:
+        return [result, cause]
+
+    try:
+        setup(config)
+        [result, cause] = test(config)
+    finally:
+        teardown(config)
+
+    return [result, cause]
+
+if __name__ == '__main__':
+    config = ftests.parse_args()
+    # this test was invoked directly.  run only it
+    config.args.num = int(os.path.basename(__file__).split('-')[0])
+    sys.exit(ftests.main(config))