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+# 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: Madhusudhana S.J <madhusudhana.sj@wdc.com>
+# Author: Dong Ho <dong.ho@wdc.com>
+#
+"""
+NVme Identify Namespace Testcase:-
+
+ 1. Execute id-ns on a namespace
+ 2. Execute id-ns on all namespaces
+"""
+
+import subprocess
+
+from nvme_test import TestNVMe
+
+
+class TestNVMeIdentifyNamespace(TestNVMe):
+
+ """
+ Represents Identify Namesepace testcase
+ """
+
+ def setUp(self):
+ """ Pre Section for TestNVMeIdentifyNamespace. """
+ super().setUp()
+ self.setup_log_dir(self.__class__.__name__)
+ self.ns_list = self.get_ns_list()
+
+ def tearDown(self):
+ """
+ Post Section for TestNVMeIdentifyNamespace
+
+ - Call super class's destructor.
+ """
+ super().tearDown()
+
+ def get_id_ns(self, nsid):
+ """
+ Wrapper for executing nvme id-ns on a namespace.
+ - Args:
+ - nsid : namespace id to get info from.
+ - Returns:
+ - 0 on success, error code on failure.
+ """
+ err = 0
+ id_ns_cmd = "nvme id-ns " + self.ctrl + "n" + str(nsid)
+ proc = subprocess.Popen(id_ns_cmd,
+ shell=True,
+ stdout=subprocess.PIPE,
+ encoding='utf-8')
+ id_ns_output = proc.communicate()[0]
+ print(id_ns_output + "\n")
+ err = proc.wait()
+ return err
+
+ def get_id_ns_all(self):
+ """
+ Wrapper for executing nvme id-ns on all namespaces.
+ - Args:
+ - None
+ - Returns:
+ - 0 on success, error code on failure.
+ """
+ err = 0
+ for namespace in self.ns_list:
+ err = self.get_id_ns(str(namespace))
+ return err
+
+ def test_id_ns(self):
+ """ Testcase main """
+ self.assertEqual(self.get_id_ns(1), 0)
+ self.assertEqual(self.get_id_ns_all(), 0)