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Diffstat (limited to 'tests/nvme_compare_test.py')
-rw-r--r-- | tests/nvme_compare_test.py | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/tests/nvme_compare_test.py b/tests/nvme_compare_test.py new file mode 100644 index 0000000..c919c07 --- /dev/null +++ b/tests/nvme_compare_test.py @@ -0,0 +1,79 @@ +# 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 nose.tools import assert_equal, assert_not_equal +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 __init__(self): + """ Pre Section for TestNVMeCompareCmd """ + TestNVMeIO.__init__(self) + 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 __del__(self): + """ Post Section for TestNVMeCompareCmd """ + TestNVMeIO.__del__(self) + + 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 """ + assert_equal(self.nvme_write(), 0) + assert_not_equal(self.nvme_compare(self.compare_file), 0) + assert_equal(self.nvme_compare(self.write_file), 0) |