From f26f66d866ba1a9f3204e6fdfe2b07e67b5492ad Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 10 Apr 2024 21:41:32 +0200
Subject: Adding upstream version 2.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/nvme_compare_test.py | 80 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 tests/nvme_compare_test.py

(limited to 'tests/nvme_compare_test.py')

diff --git a/tests/nvme_compare_test.py b/tests/nvme_compare_test.py
new file mode 100644
index 0000000..8dfce04
--- /dev/null
+++ b/tests/nvme_compare_test.py
@@ -0,0 +1,80 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (c) 2015-2016 Western Digital Corporation or its affiliates.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA  02110-1301, USA.
+#
+#   Author: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
+#
+"""
+NVMe Compare Command Testcase:-
+
+    1. Create a data file 1 with pattern 1515 to write.
+    2. Create a data file 2 with pattern 2525 to compare with.
+    3. Write a block of data pattern using data file1.
+    4. Compare written block to data file 2's pattern; shall fail.
+    5. Compare written block to data file1's pattern; shall pass.
+
+"""
+
+from nvme_test_io import TestNVMeIO
+
+
+class TestNVMeCompareCmd(TestNVMeIO):
+
+    """
+    Represents Compare Testcase. Inherits TestNVMeIO class.
+
+        - Attributes:
+              - data_size : data size to perform IO.
+              - start_block : starting block of to perform IO.
+              - compare_file : data file to use in nvme compare command.
+              - test_log_dir : directory for logs, temp files.
+    """
+
+    def setUp(self):
+        """ Pre Section for TestNVMeCompareCmd """
+        super().setUp()
+        self.data_size = 1024
+        self.start_block = 1023
+        self.setup_log_dir(self.__class__.__name__)
+        self.compare_file = self.test_log_dir + "/" + "compare_file.txt"
+        self.write_file = self.test_log_dir + "/" + self.write_file
+        self.create_data_file(self.write_file, self.data_size, "15")
+        self.create_data_file(self.compare_file, self.data_size, "25")
+
+    def tearDown(self):
+        """ Post Section for TestNVMeCompareCmd """
+        super().tearDown()
+
+    def nvme_compare(self, cmp_file):
+        """ Wrapper for nvme compare command.
+           - Args:
+               - cmp_file : data file used in nvme compare command.
+           - Returns:
+               - return code of the nvme compare command.
+        """
+        compare_cmd = "nvme compare " + self.ns1 + " --start-block=" + \
+                      str(self.start_block) + " --block-count=" + \
+                      str(self.block_count) + " --data-size=" + \
+                      str(self.data_size) + " --data=" + cmp_file
+        return self.exec_cmd(compare_cmd)
+
+    def test_nvme_compare(self):
+        """ Testcase main """
+        self.assertEqual(self.nvme_write(), 0)
+        self.assertNotEqual(self.nvme_compare(self.compare_file), 0)
+        self.assertEqual(self.nvme_compare(self.write_file), 0)
-- 
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