Performance test for 100% hit ratio

Signed-off-by: Jan Musial <jan.musial@intel.com>

test/functional/tests/performance/conftest.py

@@ -0,0 +1,41 @@
+#
+# Copyright(c) 2020 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+#
+
+from datetime import datetime as dt
+import os
+import json
+import pytest
+
+from utils.performance import PerfContainer, ConfigParameter, BuildTypes
+from core.test_run import TestRun
+from api.cas.casadm_parser import get_casadm_version
+
+
+@pytest.fixture()
+def perf_collector(request):
+    container = PerfContainer()
+    yield container
+
+    if container.is_empty:
+        # No performance metrics submitted by test, no sense in writing any log
+        TestRun.LOGGER.warning("No performance metrics collected by test using perf_collector")
+        return
+
+    container.insert_config_param(request.node.name.split("[")[0], ConfigParameter.TEST_NAME)
+    container.insert_config_param(get_casadm_version(), ConfigParameter.CAS_VERSION)
+    container.insert_config_param(TestRun.disks["cache"].disk_type, ConfigParameter.CACHE_TYPE)
+    container.insert_config_param(TestRun.disks["core"].disk_type, ConfigParameter.CORE_TYPE)
+    container.insert_config_param(dt.now(), ConfigParameter.TIMESTAMP)
+    if TestRun.dut.ip:
+        container.insert_config_param(TestRun.dut.ip, ConfigParameter.DUT)
+
+    perf_log_path = os.path.join(TestRun.LOGGER.base_dir, "perf.json")
+
+    with open(perf_log_path, "w") as dump_file:
+        json.dump(container.to_serializable_dict(), dump_file, indent=4)
+
+
+def pytest_configure(config):
+    config.addinivalue_line("markers", "performance: performance test")