tests: add components version verification test

Signed-off-by: Damian Raczkowski <damian.raczkowski@intel.com>

test/functional/tests/ci/test_basic.py

@@ -0,0 +1,34 @@
+#
+# Copyright(c) 2022 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+import pytest
+
+from core.test_run import TestRun
+
+
+def test_cas_version():
+    """
+    title: Check if CAS is installed
+    description:
+      Check if CAS is installed with --version flag and later
+      checks if components version is consistent with version file
+    pass criteria:
+     - casadm command succeeds
+     - Versions are matched from cmd and file in /var/lib/opencas/cas_version
+    """
+    cmd = f"casadm --version -o csv"
+    output = TestRun.executor.run_expect_success(cmd).stdout
+    cmd_cas_versions = output.split("\n")[1:]
+
+    version_file_path = r"/var/lib/opencas/cas_version"
+    file_read_cmd = f"cat {version_file_path} | grep CAS_VERSION="
+    file_cas_version_str = TestRun.executor.run_expect_success(file_read_cmd).stdout
+    file_cas_version = file_cas_version_str.split('=')[1]
+
+    for version in cmd_cas_versions:
+        splitted_version = version.split(",")
+        if splitted_version[1] != file_cas_version:
+            TestRun.LOGGER.error(f"""Version of {splitted_version[0]} from cmd doesn't match
+             with file. Expected: {file_cas_version} Actual: {splitted_version[1]}""")