Minor fixes in CAS API

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

test/functional/api/cas/cache.py

@@ -14,8 +14,8 @@ from api.cas.statistics import CacheStats, IoClassStats
 
 
 class Cache:
-    def __init__(self, device_system_path):
-        self.cache_device = Device(device_system_path)
+    def __init__(self, device: Device):
+        self.cache_device = device
         self.cache_id = int(self.__get_cache_id())
         self.__cache_line_size = None
         self.__metadata_mode = None
@@ -36,7 +36,7 @@ class Cache:
         if self.__cache_line_size is None:
             stats = self.get_statistics()
             stats_line_size = stats.config_stats.cache_line_size
-            self.__cache_line_size = CacheLineSize(stats_line_size.get_value(Unit.Byte))
+            self.__cache_line_size = CacheLineSize(stats_line_size)
         return self.__cache_line_size
 
     def get_cleaning_policy(self):
@@ -69,6 +69,10 @@ class Cache:
         status = self.get_statistics().config_stats.status.replace(' ', '_').lower()
         return CacheStatus[status]
 
+    @property
+    def size(self):
+        return self.get_statistics().config_stats.cache_size
+
     def get_cache_mode(self):
         return CacheMode[self.get_statistics().config_stats.write_policy.upper()]
 

test/functional/api/cas/cache_config.py

@@ -9,7 +9,7 @@ from test_utils.size import Size, Unit
 from datetime import timedelta
 
 
-class CacheLineSize(IntEnum):
+class CacheLineSize(Enum):
     LINE_4KiB = Size(4, Unit.KibiByte)
     LINE_8KiB = Size(8, Unit.KibiByte)
     LINE_16KiB = Size(16, Unit.KibiByte)
@@ -17,6 +17,9 @@ class CacheLineSize(IntEnum):
     LINE_64KiB = Size(64, Unit.KibiByte)
     DEFAULT = LINE_4KiB
 
+    def __int__(self):
+        return int(self.value.get_value())
+
 
 class CacheMode(Enum):
     WT = "Write-Through"

test/functional/api/cas/casadm.py

@@ -27,7 +27,7 @@ def start_cache(cache_dev: Device, cache_mode: CacheMode = None,
                 cache_line_size: CacheLineSize = None, cache_id: int = None,
                 force: bool = False, load: bool = False, shortcut: bool = False):
     _cache_line_size = None if cache_line_size is None else str(
-        CacheLineSize.get_value(Unit.KibiByte))
+        int(cache_line_size.value.get_value(Unit.KibiByte)))
     _cache_id = None if cache_id is None else str(cache_id)
     _cache_mode = None if cache_mode is None else cache_mode.name.lower()
     output = TestRun.executor.run(start_cmd(
@@ -35,7 +35,8 @@ def start_cache(cache_dev: Device, cache_mode: CacheMode = None,
         cache_id=_cache_id, force=force, load=load, shortcut=shortcut))
     if output.exit_code != 0:
         raise CmdException("Failed to start cache.", output)
-    return Cache(cache_dev.system_path)
+
+    return Cache(cache_dev)
 
 
 def stop_cache(cache_id: int, no_data_flush: bool = False, shortcut: bool = False):
@@ -97,7 +98,8 @@ def load_cache(device: Device, shortcut: bool = False):
         load_cmd(cache_dev=device.system_path, shortcut=shortcut))
     if output.exit_code != 0:
         raise CmdException("Failed to load cache.", output)
-    return Cache(device.system_path)
+
+    return Cache(device)
 
 
 def list_caches(output_format: OutputFormat = None, shortcut: bool = False):

test/functional/api/cas/casadm_parser.py

@@ -6,6 +6,11 @@ import csv
 
 import json
 import re
+from api.cas import casadm
+from test_utils.size import parse_unit
+from storage_devices.device import Device
+from api.cas.cache_config import *
+from api.cas.casadm_params import *
 from datetime import timedelta
 from typing import List
 
@@ -151,7 +156,7 @@ def get_caches():  # This method does not return inactive or detached CAS device
     for line in lines:
         args = line.split(',')
         if args[0] == "cache":
-            current_cache = Cache(args[2])
+            current_cache = Cache(Device(args[2]))
             caches_list.append(current_cache)
     return caches_list