root / test / hs / Test / Ganeti / HTools / Types.hs @ 41044e04
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{-# LANGUAGE TemplateHaskell, FlexibleInstances, TypeSynonymInstances #-} |
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{-# OPTIONS_GHC -fno-warn-orphans #-} |
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|
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{-| Unittests for ganeti-htools. |
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-} |
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{- |
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|
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Copyright (C) 2009, 2010, 2011, 2012, 2013 Google Inc. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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02110-1301, USA. |
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|
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-} |
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module Test.Ganeti.HTools.Types |
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( testHTools_Types |
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, Types.AllocPolicy(..) |
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, Types.DiskTemplate(..) |
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, Types.FailMode(..) |
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, Types.EvacMode(..) |
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, Types.ISpec(..) |
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, Types.IPolicy(..) |
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, nullIPolicy |
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) where |
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|
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import Test.QuickCheck hiding (Result) |
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import Test.HUnit |
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|
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import Control.Applicative |
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import Data.List (sort) |
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import Control.Monad (replicateM) |
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|
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import Test.Ganeti.TestHelper |
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import Test.Ganeti.TestCommon |
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import Test.Ganeti.TestHTools |
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import Test.Ganeti.Types (allDiskTemplates) |
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|
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import Ganeti.BasicTypes |
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import qualified Ganeti.Constants as C |
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import qualified Ganeti.HTools.Types as Types |
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|
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{-# ANN module "HLint: ignore Use camelCase" #-} |
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|
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-- * Helpers |
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|
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-- * Arbitrary instance |
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|
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$(genArbitrary ''Types.FailMode) |
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|
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$(genArbitrary ''Types.EvacMode) |
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|
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instance Arbitrary a => Arbitrary (Types.OpResult a) where |
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arbitrary = arbitrary >>= \c -> |
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if c |
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then Ok <$> arbitrary |
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else Bad <$> arbitrary |
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|
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instance Arbitrary Types.ISpec where |
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arbitrary = do |
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mem_s <- arbitrary::Gen (NonNegative Int) |
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dsk_c <- arbitrary::Gen (NonNegative Int) |
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dsk_s <- arbitrary::Gen (NonNegative Int) |
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cpu_c <- arbitrary::Gen (NonNegative Int) |
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nic_c <- arbitrary::Gen (NonNegative Int) |
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su <- arbitrary::Gen (NonNegative Int) |
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return Types.ISpec { Types.iSpecMemorySize = fromIntegral mem_s |
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, Types.iSpecCpuCount = fromIntegral cpu_c |
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, Types.iSpecDiskSize = fromIntegral dsk_s |
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, Types.iSpecDiskCount = fromIntegral dsk_c |
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, Types.iSpecNicCount = fromIntegral nic_c |
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, Types.iSpecSpindleUse = fromIntegral su |
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} |
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|
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-- | Generates an ispec bigger than the given one. |
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genBiggerISpec :: Types.ISpec -> Gen Types.ISpec |
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genBiggerISpec imin = do |
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mem_s <- choose (Types.iSpecMemorySize imin, maxBound) |
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dsk_c <- choose (Types.iSpecDiskCount imin, maxBound) |
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dsk_s <- choose (Types.iSpecDiskSize imin, maxBound) |
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cpu_c <- choose (Types.iSpecCpuCount imin, maxBound) |
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nic_c <- choose (Types.iSpecNicCount imin, maxBound) |
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su <- choose (Types.iSpecSpindleUse imin, maxBound) |
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return Types.ISpec { Types.iSpecMemorySize = fromIntegral mem_s |
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, Types.iSpecCpuCount = fromIntegral cpu_c |
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, Types.iSpecDiskSize = fromIntegral dsk_s |
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, Types.iSpecDiskCount = fromIntegral dsk_c |
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, Types.iSpecNicCount = fromIntegral nic_c |
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, Types.iSpecSpindleUse = fromIntegral su |
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} |
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genMinMaxISpecs :: Gen Types.MinMaxISpecs |
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genMinMaxISpecs = do |
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imin <- arbitrary |
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imax <- genBiggerISpec imin |
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return Types.MinMaxISpecs { Types.minMaxISpecsMinSpec = imin |
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, Types.minMaxISpecsMaxSpec = imax |
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} |
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|
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instance Arbitrary Types.MinMaxISpecs where |
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arbitrary = genMinMaxISpecs |
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|
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genMinMaxStdISpecs :: Gen (Types.MinMaxISpecs, Types.ISpec) |
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genMinMaxStdISpecs = do |
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imin <- arbitrary |
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istd <- genBiggerISpec imin |
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imax <- genBiggerISpec istd |
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return (Types.MinMaxISpecs { Types.minMaxISpecsMinSpec = imin |
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, Types.minMaxISpecsMaxSpec = imax |
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}, |
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istd) |
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|
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genIPolicySpecs :: Gen ([Types.MinMaxISpecs], Types.ISpec) |
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genIPolicySpecs = do |
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num_mm <- choose (1, 6) -- 6 is just an arbitrary limit |
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std_compl <- choose (1, num_mm) |
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mm_head <- replicateM (std_compl - 1) genMinMaxISpecs |
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(mm_middle, istd) <- genMinMaxStdISpecs |
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mm_tail <- replicateM (num_mm - std_compl) genMinMaxISpecs |
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return (mm_head ++ (mm_middle : mm_tail), istd) |
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|
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instance Arbitrary Types.IPolicy where |
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arbitrary = do |
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(iminmax, istd) <- genIPolicySpecs |
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num_tmpl <- choose (0, length allDiskTemplates) |
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dts <- genUniquesList num_tmpl arbitrary |
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vcpu_ratio <- choose (1.0, maxVcpuRatio) |
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spindle_ratio <- choose (1.0, maxSpindleRatio) |
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return Types.IPolicy { Types.iPolicyMinMaxISpecs = iminmax |
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, Types.iPolicyStdSpec = istd |
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, Types.iPolicyDiskTemplates = dts |
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, Types.iPolicyVcpuRatio = vcpu_ratio |
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, Types.iPolicySpindleRatio = spindle_ratio |
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} |
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|
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-- * Test cases |
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|
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prop_ISpec_serialisation :: Types.ISpec -> Property |
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prop_ISpec_serialisation = testSerialisation |
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prop_IPolicy_serialisation :: Types.IPolicy -> Property |
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prop_IPolicy_serialisation = testSerialisation |
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|
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prop_EvacMode_serialisation :: Types.EvacMode -> Property |
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prop_EvacMode_serialisation = testSerialisation |
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prop_opToResult :: Types.OpResult Int -> Property |
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prop_opToResult op = |
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case op of |
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Bad _ -> printTestCase ("expected bad but got " ++ show r) $ isBad r |
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Ok v -> case r of |
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Bad msg -> failTest ("expected Ok but got Bad " ++ msg) |
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Ok v' -> v ==? v' |
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where r = Types.opToResult op |
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|
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prop_eitherToResult :: Either String Int -> Bool |
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prop_eitherToResult ei = |
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case ei of |
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Left _ -> isBad r |
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Right v -> case r of |
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Bad _ -> False |
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Ok v' -> v == v' |
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where r = eitherToResult ei |
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|
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-- | Test 'AutoRepairType' ordering is as expected and consistent with Python |
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-- codebase. |
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case_AutoRepairType_sort :: Assertion |
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case_AutoRepairType_sort = do |
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let expected = [ Types.ArFixStorage |
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, Types.ArMigrate |
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, Types.ArFailover |
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, Types.ArReinstall |
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] |
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all_hs_raw = map Types.autoRepairTypeToRaw [minBound..maxBound] |
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assertEqual "Haskell order" expected [minBound..maxBound] |
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assertEqual "consistent with Python" C.autoRepairAllTypes all_hs_raw |
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|
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-- | Test 'AutoRepairResult' type is equivalent with Python codebase. |
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case_AutoRepairResult_pyequiv :: Assertion |
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case_AutoRepairResult_pyequiv = do |
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let all_py_results = sort C.autoRepairAllResults |
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all_hs_results = sort $ |
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map Types.autoRepairResultToRaw [minBound..maxBound] |
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assertEqual "for AutoRepairResult equivalence" all_py_results all_hs_results |
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|
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testSuite "HTools/Types" |
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[ 'prop_ISpec_serialisation |
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, 'prop_IPolicy_serialisation |
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, 'prop_EvacMode_serialisation |
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, 'prop_opToResult |
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, 'prop_eitherToResult |
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, 'case_AutoRepairType_sort |
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, 'case_AutoRepairResult_pyequiv |
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] |