1 files changed, 138 insertions, 0 deletions
diff --git a/t/readonly.py b/t/readonly.py
new file mode 100755
index 00000000..43686c9c
--- /dev/null
+++ b/t/readonly.py
@@ -0,0 +1,138 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (c) 2019 Western Digital Corporation or its affiliates.
+#
+#
+# readonly.py
+#
+# Do some basic tests of the --readonly paramter
+#
+# USAGE
+# python readonly.py [-f fio-executable]
+#
+# EXAMPLES
+# python t/readonly.py
+# python t/readonly.py -f ./fio
+#
+# REQUIREMENTS
+# Python 3.5+
+#
+#
+
+import sys
+import argparse
+import subprocess
+
+
+def parse_args():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-f', '--fio',
+                        help='path to fio executable (e.g., ./fio)')
+    args = parser.parse_args()
+
+    return args
+
+
+def run_fio(fio, test, index):
+    fio_args = [
+                "--name=readonly",
+                "--ioengine=null",
+                "--time_based",
+                "--runtime=1s",
+                "--size=1M",
+                "--rw={rw}".format(**test),
+               ]
+    if 'readonly-pre' in test:
+        fio_args.insert(0, "--readonly")
+    if 'readonly-post' in test:
+        fio_args.append("--readonly")
+
+    output = subprocess.run([fio] + fio_args, stdout=subprocess.PIPE,
+                            stderr=subprocess.PIPE)
+
+    return output
+
+
+def check_output(output, test):
+    expect_error = False
+    if 'readonly-pre' in test or 'readonly-post' in test:
+        if 'write' in test['rw'] or 'trim' in test['rw']:
+            expect_error = True
+
+#    print(output.stdout)
+#    print(output.stderr)
+
+    if output.returncode == 0:
+        if expect_error:
+            return False
+        else:
+            return True
+    else:
+        if expect_error:
+            return True
+        else:
+            return False
+
+
+if __name__ == '__main__':
+    args = parse_args()
+
+    tests = [
+                {
+                    "rw": "randread",
+                    "readonly-pre": 1,
+                },
+                {
+                    "rw": "randwrite",
+                    "readonly-pre": 1,
+                },
+                {
+                    "rw": "randtrim",
+                    "readonly-pre": 1,
+                },
+                {
+                    "rw": "randread",
+                    "readonly-post": 1,
+                },
+                {
+                    "rw": "randwrite",
+                    "readonly-post": 1,
+                },
+                {
+                    "rw": "randtrim",
+                    "readonly-post": 1,
+                },
+                {
+                    "rw": "randread",
+                },
+                {
+                    "rw": "randwrite",
+                },
+                {
+                    "rw": "randtrim",
+                },
+            ]
+
+    index = 1
+    passed = 0
+    failed = 0
+
+    if args.fio:
+        fio_path = args.fio
+    else:
+        fio_path = 'fio'
+
+    for test in tests:
+        output = run_fio(fio_path, test, index)
+        status = check_output(output, test)
+        print("Test {0} {1}".format(index, ("PASSED" if status else "FAILED")))
+        if status:
+            passed = passed + 1
+        else:
+            failed = failed + 1
+        index = index + 1
+
+    print("{0} tests passed, {1} failed".format(passed, failed))
+
+    sys.exit(failed)