check_computer_memory: refactor getFreeMemory to fit code behavior

slapos/promise/check_computer_memory/__init__.py

@@ -14,7 +14,7 @@ import datetime
 
 from slapos.collect.db import Database
 
-def getFreeMemory(database, time, date):
+def getMemoryInfo(database, time, date):
 
   mem = {}
   database = Database(database)
@@ -55,7 +55,7 @@ def main():
   db_path = args.collectordb
 
   if db_path.endswith("collector.db"):db_path=db_path[:-len("collector.db")]
-  memory, error = getFreeMemory(db_path, currenttime, currentdate)
+  memory, error = getMemoryInfo(db_path, currenttime, currentdate)
   if error:
     print error
     return 0

slapos/test/promise/test_check_computer_memory.py

@@ -30,7 +30,7 @@ import os
 import sqlite3
 
 from slapos.test.promise import data
-from slapos.promise.check_computer_memory import getFreeMemory
+from slapos.promise.check_computer_memory import getMemoryInfo
 
 total_memory_fetch_failure_message = "couldn't fetch total memory, collectordb is empty?"
 
@@ -50,12 +50,12 @@ class TestComputerMemory(unittest.TestCase):
 
   def test_check_memory(self):
     self.assertEquals(({'total': 33705312256.0, 'used': 33139023872.0, 'free': 566288384.0}, ""),
-      getFreeMemory('/tmp', '00:02', '2017-09-15'))
+      getMemoryInfo('/tmp', '00:02', '2017-09-15'))
 
   def test_check_memory_with_unavailable_dates(self):
     self.assertEquals(
       (None, total_memory_fetch_failure_message),
-      getFreeMemory('/tmp', '18:00', '2017-09-14'),
+      getMemoryInfo('/tmp', '18:00', '2017-09-14'),
     )
 
   def tearDown(self):