1 {-# LANGUAGE TemplateHaskell #-}
2 {-# OPTIONS_GHC -fno-warn-orphans #-}
4 {-| Unittests for ganeti-htools.
10 Copyright (C) 2009, 2010, 2011, 2012 Google Inc.
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful, but
18 WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
29 module Test.Ganeti.HTools.Simu (testSimu) where
31 import Test.QuickCheck
34 import qualified Data.IntMap as IntMap
35 import Text.Printf (printf)
37 import Test.Ganeti.TestHelper
38 import Test.Ganeti.TestCommon
40 import qualified Ganeti.Constants as C
41 import qualified Ganeti.HTools.Container as Container
42 import qualified Ganeti.HTools.Group as Group
43 import qualified Ganeti.HTools.Loader as Loader
44 import qualified Ganeti.HTools.Node as Node
45 import qualified Ganeti.HTools.Simu as Simu
46 import qualified Ganeti.HTools.Types as Types
48 -- | Generates a tuple of specs for simulation.
49 genSimuSpec :: Gen (String, Int, Int, Int, Int)
51 pol <- elements [C.allocPolicyPreferred,
52 C.allocPolicyLastResort, C.allocPolicyUnallocable,
54 -- should be reasonable (nodes/group), bigger values only complicate
55 -- the display of failed tests, and we don't care (in this particular
56 -- test) about big node groups
57 nodes <- choose (0, 20)
58 dsk <- choose (0, maxDsk)
59 mem <- choose (0, maxMem)
60 cpu <- choose (0, maxCpu)
61 return (pol, nodes, dsk, mem, cpu)
63 -- | Checks that given a set of corrects specs, we can load them
64 -- successfully, and that at high-level the values look right.
65 prop_Simu_Load :: Property
67 forAll (choose (0, 10)) $ \ngroups ->
68 forAll (replicateM ngroups genSimuSpec) $ \specs ->
69 let strspecs = map (\(p, n, d, m, c) -> printf "%s,%d,%d,%d,%d"
70 p n d m c::String) specs
71 totnodes = sum $ map (\(_, n, _, _, _) -> n) specs
72 mdc_in = concatMap (\(_, n, d, m, c) ->
73 replicate n (fromIntegral m, fromIntegral d,
75 fromIntegral m, fromIntegral d))
76 specs :: [(Double, Double, Double, Int, Int)]
77 in case Simu.parseData strspecs of
78 Types.Bad msg -> failTest $ "Failed to load specs: " ++ msg
79 Types.Ok (Loader.ClusterData gl nl il tags ipol) ->
80 let nodes = map snd $ IntMap.toAscList nl
81 nidx = map Node.idx nodes
82 mdc_out = map (\n -> (Node.tMem n, Node.tDsk n, Node.tCpu n,
83 Node.fMem n, Node.fDsk n)) nodes
85 Container.size gl ==? ngroups .&&.
86 Container.size nl ==? totnodes .&&.
87 Container.size il ==? 0 .&&.
88 length tags ==? 0 .&&.
89 ipol ==? Types.defIPolicy .&&.
90 nidx ==? [1..totnodes] .&&.
91 mdc_in ==? mdc_out .&&.
92 map Group.iPolicy (Container.elems gl) ==?
93 replicate ngroups Types.defIPolicy