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|
{-# OPTIONS_GHC -fno-warn-orphans #-}
{-# OPTIONS_HADDOCK hide #-}
{-# LANGUAGE OverloadedStrings #-}
{- |
Module : Data.GraphViz.Testing.Instances.Attributes
Description : Attribute instances for Arbitrary.
Copyright : (c) Ivan Lazar Miljenovic
License : 3-Clause BSD-style
Maintainer : Ivan.Miljenovic@gmail.com
-}
module Data.GraphViz.Testing.Instances.Attributes
( arbGraphAttrs
, arbSubGraphAttrs
, arbClusterAttrs
, arbNodeAttrs
, arbEdgeAttrs
) where
import Data.GraphViz.Testing.Instances.Helpers
import Data.GraphViz.Attributes.Colors.Brewer
import Data.GraphViz.Attributes.Colors.SVG (SVGColor)
import Data.GraphViz.Attributes.Colors.X11 (X11Color)
import Data.GraphViz.Attributes.Complete
import qualified Data.GraphViz.Attributes.HTML as Html
import Data.GraphViz.Attributes.Internal (compassLookup)
import Data.GraphViz.Internal.State (initialState,
layerListSep, layerSep)
import Data.GraphViz.Internal.Util (bool, createVersion)
import Test.QuickCheck
import Control.Monad (liftM, liftM2, liftM3, liftM4)
import Data.List (delete, groupBy, nub)
import qualified Data.Map as Map
import Data.Text.Lazy (Text)
import qualified Data.Text.Lazy as T
import Data.Version (Version (..))
import System.FilePath (searchPathSeparator)
-- -----------------------------------------------------------------------------
-- Defining Arbitrary instances for Attributes
arbGraphAttrs :: Gen Attributes
arbGraphAttrs = arbAttrs usedByGraphs
arbSubGraphAttrs :: Gen Attributes
arbSubGraphAttrs = arbAttrs usedBySubGraphs
arbClusterAttrs :: Gen Attributes
arbClusterAttrs = arbAttrs usedByClusters
arbNodeAttrs :: Gen Attributes
arbNodeAttrs = arbAttrs usedByNodes
arbEdgeAttrs :: Gen Attributes
arbEdgeAttrs = arbAttrs usedByEdges
arbAttrs :: (Attribute -> Bool) -> Gen Attributes
arbAttrs p = liftM (filter p) arbList
instance Arbitrary Attribute where
arbitrary = oneof [ liftM Damping arbitrary
, liftM K arbitrary
, liftM URL arbitrary
, liftM Area arbitrary
, liftM ArrowHead arbitrary
, liftM ArrowSize arbitrary
, liftM ArrowTail arbitrary
, liftM Background arbitrary
, liftM BoundingBox arbitrary
, liftM BgColor arbList
, liftM Center arbitrary
, liftM ClusterRank arbitrary
, liftM Color arbList
, liftM ColorScheme arbitrary
, liftM Comment arbitrary
, liftM Compound arbitrary
, liftM Concentrate arbitrary
, liftM Constraint arbitrary
, liftM Decorate arbitrary
, liftM DefaultDist arbitrary
, liftM Dim arbitrary
, liftM Dimen arbitrary
, liftM Dir arbitrary
, liftM DirEdgeConstraints arbitrary
, liftM Distortion arbitrary
, liftM DPI arbitrary
, liftM EdgeURL arbitrary
, liftM EdgeTarget arbitrary
, liftM EdgeTooltip arbitrary
, liftM Epsilon arbitrary
, liftM ESep arbitrary
, liftM FillColor arbList
, liftM FixedSize arbitrary
, liftM FontColor arbitrary
, liftM FontName arbitrary
, liftM FontNames arbitrary
, liftM FontPath arbitrary
, liftM FontSize arbitrary
, liftM ForceLabels arbitrary
, liftM GradientAngle arbitrary
, liftM Group arbitrary
, liftM HeadURL arbitrary
, liftM Head_LP arbitrary
, liftM HeadClip arbitrary
, liftM HeadLabel arbitrary
, liftM HeadPort arbitrary
, liftM HeadTarget arbitrary
, liftM HeadTooltip arbitrary
, liftM Height arbitrary
, liftM ID arbitrary
, liftM Image arbitrary
, liftM ImagePath arbitrary
, liftM ImageScale arbitrary
, liftM InputScale arbitrary
, liftM Label arbitrary
, liftM LabelURL arbitrary
, liftM LabelScheme arbitrary
, liftM LabelAngle arbitrary
, liftM LabelDistance arbitrary
, liftM LabelFloat arbitrary
, liftM LabelFontColor arbitrary
, liftM LabelFontName arbitrary
, liftM LabelFontSize arbitrary
, liftM LabelJust arbitrary
, liftM LabelLoc arbitrary
, liftM LabelTarget arbitrary
, liftM LabelTooltip arbitrary
, liftM Landscape arbitrary
, liftM Layer arbitrary
, liftM LayerListSep arbitrary
, liftM Layers arbitrary
, liftM LayerSelect arbitrary
, liftM LayerSep arbitrary
, liftM Layout arbitrary
, liftM Len arbitrary
, liftM Levels arbitrary
, liftM LevelsGap arbitrary
, liftM LHead arbitrary
, liftM LHeight arbitrary
, liftM LPos arbitrary
, liftM LTail arbitrary
, liftM LWidth arbitrary
, liftM Margin arbitrary
, liftM MaxIter arbitrary
, liftM MCLimit arbitrary
, liftM MinDist arbitrary
, liftM MinLen arbitrary
, liftM Mode arbitrary
, liftM Model arbitrary
, liftM Mosek arbitrary
, liftM NodeSep arbitrary
, liftM NoJustify arbitrary
, liftM Normalize arbitrary
, liftM Nslimit arbitrary
, liftM Nslimit1 arbitrary
, liftM Ordering arbitrary
, liftM Orientation arbitrary
, liftM OutputOrder arbitrary
, liftM Overlap arbitrary
, liftM OverlapScaling arbitrary
, liftM OverlapShrink arbitrary
, liftM Pack arbitrary
, liftM PackMode arbitrary
, liftM Pad arbitrary
, liftM Page arbitrary
, liftM PageDir arbitrary
, liftM PenColor arbitrary
, liftM PenWidth arbitrary
, liftM Peripheries arbitrary
, liftM Pin arbitrary
, liftM Pos arbitrary
, liftM QuadTree arbitrary
, liftM Quantum arbitrary
, liftM Rank arbitrary
, liftM RankDir arbitrary
, liftM RankSep arbList
, liftM Ratio arbitrary
, liftM Rects arbList
, liftM Regular arbitrary
, liftM ReMinCross arbitrary
, liftM RepulsiveForce arbitrary
, liftM Root arbitrary
, liftM Rotate arbitrary
, liftM Rotation arbitrary
, liftM SameHead arbitrary
, liftM SameTail arbitrary
, liftM SamplePoints arbitrary
, liftM Scale arbitrary
, liftM SearchSize arbitrary
, liftM Sep arbitrary
, liftM Shape arbitrary
, liftM ShowBoxes arbitrary
, liftM Sides arbitrary
, liftM Size arbitrary
, liftM Skew arbitrary
, liftM Smoothing arbitrary
, liftM SortV arbitrary
, liftM Splines arbitrary
, liftM Start arbitrary
, liftM Style arbList
, liftM StyleSheet arbitrary
, liftM TailURL arbitrary
, liftM Tail_LP arbitrary
, liftM TailClip arbitrary
, liftM TailLabel arbitrary
, liftM TailPort arbitrary
, liftM TailTarget arbitrary
, liftM TailTooltip arbitrary
, liftM Target arbitrary
, liftM Tooltip arbitrary
, liftM TrueColor arbitrary
, liftM Vertices arbList
, liftM ViewPort arbitrary
, liftM VoroMargin arbitrary
, liftM Weight arbitrary
, liftM Width arbitrary
, liftM XDotVersion arbitrary
, liftM XLabel arbitrary
, liftM XLP arbitrary
, liftM2 UnknownAttribute (suchThat arbIDString validUnknown) arbitrary
]
shrink (Damping v) = map Damping $ shrink v
shrink (K v) = map K $ shrink v
shrink (URL v) = map URL $ shrink v
shrink (Area v) = map Area $ shrink v
shrink (ArrowHead v) = map ArrowHead $ shrink v
shrink (ArrowSize v) = map ArrowSize $ shrink v
shrink (ArrowTail v) = map ArrowTail $ shrink v
shrink (Background v) = map Background $ shrink v
shrink (BoundingBox v) = map BoundingBox $ shrink v
shrink (BgColor v) = map BgColor $ nonEmptyShrinks v
shrink (Center v) = map Center $ shrink v
shrink (ClusterRank v) = map ClusterRank $ shrink v
shrink (Color v) = map Color $ nonEmptyShrinks v
shrink (ColorScheme v) = map ColorScheme $ shrink v
shrink (Comment v) = map Comment $ shrink v
shrink (Compound v) = map Compound $ shrink v
shrink (Concentrate v) = map Concentrate $ shrink v
shrink (Constraint v) = map Constraint $ shrink v
shrink (Decorate v) = map Decorate $ shrink v
shrink (DefaultDist v) = map DefaultDist $ shrink v
shrink (Dim v) = map Dim $ shrink v
shrink (Dimen v) = map Dimen $ shrink v
shrink (Dir v) = map Dir $ shrink v
shrink (DirEdgeConstraints v) = map DirEdgeConstraints $ shrink v
shrink (Distortion v) = map Distortion $ shrink v
shrink (DPI v) = map DPI $ shrink v
shrink (EdgeURL v) = map EdgeURL $ shrink v
shrink (EdgeTarget v) = map EdgeTarget $ shrink v
shrink (EdgeTooltip v) = map EdgeTooltip $ shrink v
shrink (Epsilon v) = map Epsilon $ shrink v
shrink (ESep v) = map ESep $ shrink v
shrink (FillColor v) = map FillColor $ nonEmptyShrinks v
shrink (FixedSize v) = map FixedSize $ shrink v
shrink (FontColor v) = map FontColor $ shrink v
shrink (FontName v) = map FontName $ shrink v
shrink (FontNames v) = map FontNames $ shrink v
shrink (FontPath v) = map FontPath $ shrink v
shrink (FontSize v) = map FontSize $ shrink v
shrink (ForceLabels v) = map ForceLabels $ shrink v
shrink (GradientAngle v) = map GradientAngle $ shrink v
shrink (Group v) = map Group $ shrink v
shrink (HeadURL v) = map HeadURL $ shrink v
shrink (Head_LP v) = map Head_LP $ shrink v
shrink (HeadClip v) = map HeadClip $ shrink v
shrink (HeadLabel v) = map HeadLabel $ shrink v
shrink (HeadPort v) = map HeadPort $ shrink v
shrink (HeadTarget v) = map HeadTarget $ shrink v
shrink (HeadTooltip v) = map HeadTooltip $ shrink v
shrink (Height v) = map Height $ shrink v
shrink (ID v) = map ID $ shrink v
shrink (Image v) = map Image $ shrink v
shrink (ImagePath v) = map ImagePath $ shrink v
shrink (ImageScale v) = map ImageScale $ shrink v
shrink (InputScale v) = map InputScale $ shrink v
shrink (Label v) = map Label $ shrink v
shrink (LabelURL v) = map LabelURL $ shrink v
shrink (LabelScheme v) = map LabelScheme $ shrink v
shrink (LabelAngle v) = map LabelAngle $ shrink v
shrink (LabelDistance v) = map LabelDistance $ shrink v
shrink (LabelFloat v) = map LabelFloat $ shrink v
shrink (LabelFontColor v) = map LabelFontColor $ shrink v
shrink (LabelFontName v) = map LabelFontName $ shrink v
shrink (LabelFontSize v) = map LabelFontSize $ shrink v
shrink (LabelJust v) = map LabelJust $ shrink v
shrink (LabelLoc v) = map LabelLoc $ shrink v
shrink (LabelTarget v) = map LabelTarget $ shrink v
shrink (LabelTooltip v) = map LabelTooltip $ shrink v
shrink (Landscape v) = map Landscape $ shrink v
shrink (Layer v) = map Layer $ shrink v
shrink (LayerListSep v) = map LayerListSep $ shrink v
shrink (Layers v) = map Layers $ shrink v
shrink (LayerSelect v) = map LayerSelect $ shrink v
shrink (LayerSep v) = map LayerSep $ shrink v
shrink (Layout v) = map Layout $ shrink v
shrink (Len v) = map Len $ shrink v
shrink (Levels v) = map Levels $ shrink v
shrink (LevelsGap v) = map LevelsGap $ shrink v
shrink (LHead v) = map LHead $ shrink v
shrink (LHeight v) = map LHeight $ shrink v
shrink (LPos v) = map LPos $ shrink v
shrink (LTail v) = map LTail $ shrink v
shrink (LWidth v) = map LWidth $ shrink v
shrink (Margin v) = map Margin $ shrink v
shrink (MaxIter v) = map MaxIter $ shrink v
shrink (MCLimit v) = map MCLimit $ shrink v
shrink (MinDist v) = map MinDist $ shrink v
shrink (MinLen v) = map MinLen $ shrink v
shrink (Mode v) = map Mode $ shrink v
shrink (Model v) = map Model $ shrink v
shrink (Mosek v) = map Mosek $ shrink v
shrink (NodeSep v) = map NodeSep $ shrink v
shrink (NoJustify v) = map NoJustify $ shrink v
shrink (Normalize v) = map Normalize $ shrink v
shrink (Nslimit v) = map Nslimit $ shrink v
shrink (Nslimit1 v) = map Nslimit1 $ shrink v
shrink (Ordering v) = map Ordering $ shrink v
shrink (Orientation v) = map Orientation $ shrink v
shrink (OutputOrder v) = map OutputOrder $ shrink v
shrink (Overlap v) = map Overlap $ shrink v
shrink (OverlapScaling v) = map OverlapScaling $ shrink v
shrink (OverlapShrink v) = map OverlapShrink $ shrink v
shrink (Pack v) = map Pack $ shrink v
shrink (PackMode v) = map PackMode $ shrink v
shrink (Pad v) = map Pad $ shrink v
shrink (Page v) = map Page $ shrink v
shrink (PageDir v) = map PageDir $ shrink v
shrink (PenColor v) = map PenColor $ shrink v
shrink (PenWidth v) = map PenWidth $ shrink v
shrink (Peripheries v) = map Peripheries $ shrink v
shrink (Pin v) = map Pin $ shrink v
shrink (Pos v) = map Pos $ shrink v
shrink (QuadTree v) = map QuadTree $ shrink v
shrink (Quantum v) = map Quantum $ shrink v
shrink (Rank v) = map Rank $ shrink v
shrink (RankDir v) = map RankDir $ shrink v
shrink (RankSep v) = map RankSep $ nonEmptyShrinks v
shrink (Ratio v) = map Ratio $ shrink v
shrink (Rects v) = map Rects $ nonEmptyShrinks v
shrink (Regular v) = map Regular $ shrink v
shrink (ReMinCross v) = map ReMinCross $ shrink v
shrink (RepulsiveForce v) = map RepulsiveForce $ shrink v
shrink (Root v) = map Root $ shrink v
shrink (Rotate v) = map Rotate $ shrink v
shrink (Rotation v) = map Rotation $ shrink v
shrink (SameHead v) = map SameHead $ shrink v
shrink (SameTail v) = map SameTail $ shrink v
shrink (SamplePoints v) = map SamplePoints $ shrink v
shrink (Scale v) = map Scale $ shrink v
shrink (SearchSize v) = map SearchSize $ shrink v
shrink (Sep v) = map Sep $ shrink v
shrink (Shape v) = map Shape $ shrink v
shrink (ShowBoxes v) = map ShowBoxes $ shrink v
shrink (Sides v) = map Sides $ shrink v
shrink (Size v) = map Size $ shrink v
shrink (Skew v) = map Skew $ shrink v
shrink (Smoothing v) = map Smoothing $ shrink v
shrink (SortV v) = map SortV $ shrink v
shrink (Splines v) = map Splines $ shrink v
shrink (Start v) = map Start $ shrink v
shrink (Style v) = map Style $ nonEmptyShrinks v
shrink (StyleSheet v) = map StyleSheet $ shrink v
shrink (TailURL v) = map TailURL $ shrink v
shrink (Tail_LP v) = map Tail_LP $ shrink v
shrink (TailClip v) = map TailClip $ shrink v
shrink (TailLabel v) = map TailLabel $ shrink v
shrink (TailPort v) = map TailPort $ shrink v
shrink (TailTarget v) = map TailTarget $ shrink v
shrink (TailTooltip v) = map TailTooltip $ shrink v
shrink (Target v) = map Target $ shrink v
shrink (Tooltip v) = map Tooltip $ shrink v
shrink (TrueColor v) = map TrueColor $ shrink v
shrink (Vertices v) = map Vertices $ nonEmptyShrinks v
shrink (ViewPort v) = map ViewPort $ shrink v
shrink (VoroMargin v) = map VoroMargin $ shrink v
shrink (Weight v) = map Weight $ shrink v
shrink (Width v) = map Width $ shrink v
shrink (XDotVersion v) = map XDotVersion $ shrink v
shrink (XLabel v) = map XLabel $ shrink v
shrink (XLP v) = map XLP $ shrink v
shrink (UnknownAttribute a v) = liftM2 UnknownAttribute (liftM (filter validUnknown) shrink a) (shrink v)
{- delete to here -}
instance Arbitrary GraphvizCommand where
arbitrary = arbBounded
instance Arbitrary ArrowType where
arbitrary = liftM AType
-- Arrow specifications have between 1 and 4 elements.
$ sized (\ s -> resize (min s 4) arbList)
shrink (AType as) = map AType $ nonEmptyShrinks as
instance Arbitrary ArrowShape where
arbitrary = arbBounded
instance Arbitrary ArrowModifier where
arbitrary = liftM2 ArrMod arbitrary arbitrary
instance Arbitrary ArrowFill where
arbitrary = arbBounded
instance Arbitrary ArrowSide where
arbitrary = arbBounded
instance Arbitrary LabelScheme where
arbitrary = arbBounded
instance Arbitrary Rect where
arbitrary = liftM2 Rect point2D point2D
shrink (Rect p1 p2) = do p1s <- shrink p1
p2s <- shrink p2
return $ Rect p1s p2s
instance Arbitrary Point where
-- Pretty sure points have to be positive...
arbitrary = liftM4 Point posArbitrary posArbitrary posZ arbitrary
where
posZ = frequency [(1, return Nothing), (3, liftM Just posArbitrary)]
shrink p = do x' <- shrink $ xCoord p
y' <- shrink $ yCoord p
z' <- shrinkM $ zCoord p
return $ Point x' y' z' False
point2D :: Gen Point
point2D = liftM2 createPoint posArbitrary posArbitrary
instance Arbitrary ClusterMode where
arbitrary = arbBounded
instance Arbitrary DirType where
arbitrary = arbBounded
instance Arbitrary DEConstraints where
arbitrary = arbBounded
instance Arbitrary DPoint where
arbitrary = oneof [ liftM DVal arbitrary
, liftM PVal point2D
]
shrink (DVal d) = map DVal $ shrink d
shrink (PVal p) = map PVal $ shrink p
instance Arbitrary SVGFontNames where
arbitrary = arbBounded
instance Arbitrary GraphSize where
arbitrary = liftM3 GSize arbitrary arbitrary arbitrary
shrink gs = do w' <- shrink $ width gs
h' <- shrinkM $ height gs
return $ GSize w' h' False
instance Arbitrary ModeType where
arbitrary = arbBounded
instance Arbitrary Model where
arbitrary = arbBounded
instance Arbitrary Label where
arbitrary = oneof [ liftM StrLabel arbitrary
, liftM HtmlLabel arbitrary
, liftM RecordLabel $ suchThat arbList notStr
]
shrink (StrLabel str) = map StrLabel $ shrink str
shrink (HtmlLabel html) = map HtmlLabel $ shrink html
shrink (RecordLabel fs) = map RecordLabel . filter notStr $ listShrink fs
notStr :: RecordFields -> Bool
notStr [FieldLabel{}] = False -- Just in case
notStr _ = True
arbField :: Bool -> Int -> Gen RecordField
arbField b s = resize s'
. oneof
. bool id ((:) genFlipped) b
$ [ liftM2 LabelledTarget arbitrary arbitrary
, liftM PortName arbitrary
, liftM FieldLabel arbitrary
]
where
genFlipped = liftM FlipFields
$ listOf1 (sized $ arbField False)
s' = min 3 s
instance Arbitrary RecordField where
arbitrary = sized (arbField True)
shrink (LabelledTarget f l) = [PortName f, FieldLabel l]
shrink (PortName f) = map PortName $ shrink f
shrink (FieldLabel l) = map FieldLabel $ shrink l
shrink (FlipFields fs) = map FlipFields $ listShrink fs
instance Arbitrary Overlap where
arbitrary = oneof [ simpleOverlap
, liftM PrismOverlap arbitrary
]
where
-- Have to do this by hand since Overlap can't have Bounded and
-- Enum instances
simpleOverlap = elements [ KeepOverlaps
, ScaleOverlaps
, ScaleXYOverlaps
, VoronoiOverlap
, CompressOverlap
, VpscOverlap
, IpsepOverlap
]
shrink (PrismOverlap mi) = map PrismOverlap $ shrink mi
shrink _ = []
instance Arbitrary LayerSep where
-- Since Arbitrary isn't stateful, we can't generate an arbitrary
-- one because of arbLayerName
arbitrary = return . LSep . T.pack $ layerSep initialState
instance Arbitrary LayerListSep where
-- Since Arbitrary isn't stateful, we can't generate an arbitrary
-- one because of arbLayerName
arbitrary = return . LLSep . T.pack $ layerListSep initialState
instance Arbitrary LayerList where
arbitrary = liftM LL $ listOf1 arbName
where
arbName = suchThat arbitrary isLayerName
isLayerName LRName{} = True
isLayerName _ = False
shrink (LL ll) = map LL $ nonEmptyShrinks ll
instance Arbitrary LayerRangeElem where
arbitrary = oneof [ liftM LRID arbitrary
, liftM2 LRS arbitrary arbitrary
]
shrink (LRID nm) = map LRID $ shrink nm
shrink (LRS l1 l2) = [LRID l1, LRID l2]
instance Arbitrary LayerID where
arbitrary = oneof [ return AllLayers
, liftM LRInt arbitrary
, liftM LRName $ suchThat arbLayerName lrnameCheck
]
shrink AllLayers = []
shrink (LRInt i) = map LRInt $ shrink i
shrink (LRName nm) = map LRName
. filter lrnameCheck
$ shrink nm
lrnameCheck :: Text -> Bool
lrnameCheck = (/=) "all"
instance Arbitrary Order where
arbitrary = arbBounded
instance Arbitrary OutputMode where
arbitrary = arbBounded
instance Arbitrary Pack where
arbitrary = oneof [ return DoPack
, return DontPack
, liftM PackMargin arbitrary
]
shrink (PackMargin m) = map PackMargin $ shrink m
shrink _ = []
instance Arbitrary PackMode where
arbitrary = oneof [ return PackNode
, return PackClust
, return PackGraph
, liftM3 PackArray arbitrary arbitrary arbitrary
]
shrink (PackArray c u mi) = map (PackArray c u) $ shrink mi
shrink _ = []
instance Arbitrary Pos where
arbitrary = oneof [ liftM PointPos arbitrary
-- A single spline with only one point overall
-- is just a point...
, liftM SplinePos $ suchThat arbList validSplineList
]
shrink (PointPos p) = map PointPos $ shrink p
shrink (SplinePos ss) = map SplinePos . filter validSplineList
$ nonEmptyShrinks ss
validSplineList :: [Spline] -> Bool
validSplineList [Spline Nothing Nothing [_]] = False
validSplineList _ = True
instance Arbitrary Spline where
arbitrary = liftM3 Spline arbitrary arbitrary
-- list of points must have length of 1 mod 3
$ suchThat arbitrary ((==) 1 . flip mod 3 . length)
shrink (Spline Nothing Nothing [p]) = map (Spline Nothing Nothing . return)
$ shrink p
-- We're not going to be shrinking the points in the list; just
-- making sure that its length is === 1 mod 3
shrink (Spline ms me ps) = do mss <- shrinkM ms
mes <- shrinkM me
pss <- rem2 ps
return $ Spline mss mes pss
where
rem1 [] = []
rem1 (a:as) = as : map (a:) (rem1 as)
rem2 = nub . concatMap rem1 . rem1
instance Arbitrary EdgeType where
arbitrary = arbBounded
instance Arbitrary PageDir where
arbitrary = arbBounded
instance Arbitrary QuadType where
arbitrary = arbBounded
instance Arbitrary Root where
arbitrary = oneof [ return IsCentral
, return NotCentral
, liftM NodeName arbitrary
]
shrink (NodeName nm) = map NodeName $ shrink nm
shrink _ = []
instance Arbitrary RankType where
arbitrary = arbBounded
instance Arbitrary RankDir where
arbitrary = arbBounded
instance Arbitrary Shape where
arbitrary = arbBounded
instance Arbitrary SmoothType where
arbitrary = arbBounded
instance Arbitrary StartType where
arbitrary = oneof [ liftM StartStyle arbitrary
, liftM StartSeed arbitrary
, liftM2 StartStyleSeed arbitrary arbitrary
]
shrink StartStyle{} = [] -- No shrinks for STStyle
shrink (StartSeed ss) = map StartSeed $ shrink ss
shrink (StartStyleSeed st ss) = map (StartStyleSeed st) $ shrink ss
instance Arbitrary STStyle where
arbitrary = arbBounded
instance Arbitrary StyleItem where
arbitrary = liftM2 SItem arbitrary (listOf arbStyleName)
-- Can't use this because of what shrink on the individual strings
-- might do.
-- shrink (SItem sn opts) = map (SItem sn) $ shrink opts
instance Arbitrary StyleName where
arbitrary = oneof [ defaultStyles
, liftM DD $ suchThat arbStyleName notDefault
]
where
defaultStyles = elements [ Dashed
, Dotted
, Bold
, Invisible
, Filled
, Striped
, Wedged
, Diagonals
, Rounded
, Tapered
, Radial
]
notDefault = flip notElem [ "dashed"
, "dotted"
, "solid"
, "bold"
, "invis"
, "filled"
, "striped"
, "wedged"
, "diagonals"
, "rounded"
, "tapered"
, "radial"
]
instance Arbitrary PortPos where
arbitrary = oneof [ liftM2 LabelledPort arbitrary arbitrary
, liftM CompassPoint arbitrary
]
shrink (LabelledPort pn mc) = map (flip LabelledPort mc) $ shrink pn
shrink _ = []
instance Arbitrary CompassPoint where
arbitrary = arbBounded
instance Arbitrary ViewPort where
arbitrary = liftM4 VP arbitrary arbitrary arbitrary arbitrary
shrink (VP w h z f) = case sVPs of
[_] -> []
_ -> sVPs
where
sVPs = do ws <- shrink w
hs <- shrink h
zs <- shrink z
fs <- shrinkM f
return $ VP ws hs zs fs
instance Arbitrary FocusType where
arbitrary = oneof [ liftM XY arbitrary
, liftM NodeFocus $ suchThat arbitrary (T.all ((/=) ','))
]
shrink (XY p) = map XY $ shrink p
shrink (NodeFocus str) = map NodeFocus $ shrink str
instance Arbitrary VerticalPlacement where
arbitrary = arbBounded
instance Arbitrary Paths where
arbitrary = liftM Paths $ listOf1 arbFilePath
shrink (Paths ps) = map Paths $ nonEmptyShrinks' ps
arbFilePath :: Gen FilePath
arbFilePath = suchThat arbString (searchPathSeparator `notElem`)
instance Arbitrary ScaleType where
arbitrary = arbBounded
instance Arbitrary Justification where
arbitrary = arbBounded
instance Arbitrary Ratios where
arbitrary = oneof [ liftM AspectRatio posArbitrary
, namedRats
]
where
namedRats = elements [ FillRatio
, CompressRatio
, ExpandRatio
, AutoRatio
]
shrink (AspectRatio r) = map (AspectRatio . fromPositive)
. shrink $ Positive r
shrink _ = []
instance Arbitrary ColorScheme where
arbitrary = oneof [ return X11
, liftM Brewer arbitrary
]
shrink (Brewer bs) = map Brewer $ shrink bs
shrink _ = []
instance Arbitrary BrewerScheme where
arbitrary = liftM2 BScheme arbitrary arbitrary -- Not /quite/ right, but close enough
shrink (BScheme nm l) = map (BScheme nm) $ shrink l
instance Arbitrary BrewerName where
arbitrary = arbBounded
instance Arbitrary Color where
arbitrary = oneof [ liftM3 RGB arbitrary arbitrary arbitrary
, liftM4 RGBA arbitrary arbitrary arbitrary arbitrary
, liftM3 HSV zeroOne zeroOne zeroOne
, liftM X11Color arbitrary
, liftM SVGColor arbitrary
, liftM BrewerColor arbitrary
]
where
zeroOne = choose (0,1)
shrink (RGB r g b) = do rs <- shrink r
gs <- shrink g
bs <- shrink b
return $ RGB rs gs bs
shrink (RGBA r g b a) = RGB r g b
: do rs <- shrink r
gs <- shrink g
bs <- shrink b
as <- shrink a
return $ RGBA rs gs bs as
shrink (BrewerColor c) = map BrewerColor $ shrink c
shrink _ = [] -- Shrinking 0<=h,s,v<=1 does nothing
-- | No guarantees are made as to sanity of generated weightings.
instance Arbitrary WeightedColor where
arbitrary = liftM2 WC arbitrary arbitrary
-- No color shrinks to itself, so no sanity checking needed.
shrink (WC c mw) = do c' <- shrink c
mw' <- shrink mw
return $ WC c' mw'
instance Arbitrary X11Color where
arbitrary = arbBounded
instance Arbitrary SVGColor where
arbitrary = arbBounded
-- | Not quite right as the values can get too high/low, but should
-- suffice for printing/parsing purposes.
instance Arbitrary BrewerColor where
arbitrary = liftM2 BC arbitrary arbitrary
shrink (BC s c) = map (BC s) $ shrink c
instance Arbitrary Html.Label where
arbitrary = sized $ arbHtml True
shrink ht@(Html.Text txts) = delete ht . map Html.Text $ shrinkL txts
shrink (Html.Table tbl) = map Html.Table $ shrink tbl
-- Note: for the most part, Html.Label values are very repetitive (and
-- furthermore, they end up chewing a large amount of memory). As
-- such, use resize to limit how large the actual Html.Label values
-- become.
arbHtml :: Bool -> Int -> Gen Html.Label
arbHtml table s = resize' $ frequency options
where
s' = min 2 s
resize' = if not table
then resize s'
else id
allowTable = if table
then (:) (1, arbTbl)
else id
arbTbl = liftM Html.Table arbitrary
options = allowTable [ (20, liftM Html.Text . sized $ arbHtmlTexts table) ]
arbHtmlTexts :: Bool -> Int -> Gen Html.Text
arbHtmlTexts fnt s = liftM simplifyHtmlText
. resize s'
. listOf1
. sized
$ arbHtmlText fnt
where
s' = min s 10
-- When parsing, all textual characters are parsed together; thus,
-- make sure we generate them like that.
simplifyHtmlText :: Html.Text -> Html.Text
simplifyHtmlText = map head . groupBy sameType
where
sameType Html.Str{} Html.Str{} = True
sameType Html.Newline{} Html.Newline{} = True
sameType Html.Font{} Html.Font{} = True
sameType (Html.Format fmt1 _) (Html.Format fmt2 _) = fmt1 == fmt2
sameType _ _ = False
instance Arbitrary Html.TextItem where
arbitrary = sized $ arbHtmlText True
shrink (Html.Str str) = map Html.Str $ shrink str
shrink (Html.Newline as) = map Html.Newline $ shrink as
shrink hf@(Html.Font as txt) = do as' <- shrink as
txt' <- shrinkL txt
returnCheck hf $ Html.Font as' txt'
shrink (Html.Format _ txt) = txt
arbHtmlText :: Bool -> Int -> Gen Html.TextItem
arbHtmlText font s = frequency options
where
allowFonts = if font
then (++) recHtmlText
else id
s' = min 2 s
arbRec = resize s' . sized $ arbHtmlTexts False
recHtmlText = [ (1, liftM2 Html.Font arbitrary arbRec)
, (3, liftM2 Html.Format arbitrary arbRec)
]
options = allowFonts [ (10, liftM Html.Str arbitrary)
, (10, liftM Html.Newline arbitrary)
]
instance Arbitrary Html.Format where
arbitrary = arbBounded
instance Arbitrary Html.Table where
arbitrary = liftM3 Html.HTable arbitrary arbitrary (sized arbRows)
where
arbRows s = resize (min s 10) arbList
shrink (Html.HTable fas as rs) = map (Html.HTable fas as) $ shrinkL rs
instance Arbitrary Html.Row where
arbitrary = frequency [ (5, liftM Html.Cells arbList)
, (1, return Html.HorizontalRule)
]
shrink hr@(Html.Cells cs) = delete hr . map Html.Cells $ shrinkL cs
shrink _ = []
instance Arbitrary Html.Cell where
arbitrary = frequency [ (5, liftM2 Html.LabelCell arbitrary . sized $ arbHtml False)
, (3, liftM2 Html.ImgCell arbitrary arbitrary)
, (1, return Html.VerticalRule)
]
shrink lc@(Html.LabelCell as h) = do as' <- shrink as
h' <- shrink h
returnCheck lc $ Html.LabelCell as' h'
shrink (Html.ImgCell as ic) = map (Html.ImgCell as) $ shrink ic
shrink _ = []
instance Arbitrary Html.Img where
arbitrary = liftM Html.Img arbitrary
instance Arbitrary Html.Attribute where
arbitrary = oneof [ liftM Html.Align arbitrary
, liftM Html.BAlign arbitrary
, liftM Html.BGColor arbitrary
, liftM Html.Border arbitrary
, liftM Html.CellBorder arbitrary
, liftM Html.CellPadding arbitrary
, liftM Html.CellSpacing arbitrary
, liftM Html.Color arbitrary
, liftM Html.ColSpan arbitrary
, liftM Html.Face arbitrary
, liftM Html.FixedSize arbitrary
, liftM Html.Height arbitrary
, liftM Html.HRef arbitrary
, liftM Html.ID arbitrary
, liftM Html.PointSize arbitrary
, liftM Html.Port arbitrary
, liftM Html.RowSpan arbitrary
, liftM Html.Scale arbitrary
, liftM Html.Src arbString
, liftM Html.Target arbitrary
, liftM Html.Title arbitrary
, liftM Html.VAlign arbitrary
, liftM Html.Width arbitrary
]
shrink (Html.Align v) = map Html.Align $ shrink v
shrink (Html.BAlign v) = map Html.BAlign $ shrink v
shrink (Html.BGColor v) = map Html.BGColor $ shrink v
shrink (Html.Border v) = map Html.Border $ shrink v
shrink (Html.CellBorder v) = map Html.CellBorder $ shrink v
shrink (Html.CellPadding v) = map Html.CellPadding $ shrink v
shrink (Html.CellSpacing v) = map Html.CellSpacing $ shrink v
shrink (Html.Color v) = map Html.Color $ shrink v
shrink (Html.ColSpan v) = map Html.ColSpan $ shrink v
shrink (Html.Face v) = map Html.Face $ shrink v
shrink (Html.FixedSize v) = map Html.FixedSize $ shrink v
shrink (Html.Height v) = map Html.Height $ shrink v
shrink (Html.HRef v) = map Html.HRef $ shrink v
shrink (Html.ID v) = map Html.ID $ shrink v
shrink (Html.PointSize v) = map Html.PointSize $ shrink v
shrink (Html.Port v) = map Html.Port $ shrink v
shrink (Html.RowSpan v) = map Html.RowSpan $ shrink v
shrink (Html.Scale v) = map Html.Scale $ shrink v
shrink (Html.Src v) = map Html.Src $ shrinkString v
shrink (Html.Target v) = map Html.Target $ shrink v
shrink (Html.Title v) = map Html.Title $ shrink v
shrink (Html.VAlign v) = map Html.VAlign $ shrink v
shrink (Html.Width v) = map Html.Width $ shrink v
instance Arbitrary Html.Scale where
arbitrary = arbBounded
instance Arbitrary Html.Align where
arbitrary = arbBounded
instance Arbitrary Html.VAlign where
arbitrary = arbBounded
instance Arbitrary PortName where
arbitrary = liftM PN
$ suchThat arbitrary (liftM2 (&&) (T.all (/=':')) notCP)
shrink = map PN . filter notCP . shrink . portName
notCP :: Text -> Bool
notCP = flip Map.notMember compassLookup
instance Arbitrary Number where
arbitrary = frequency [ (3, liftM Dbl $ suchThat arbitrary notInt)
, (1, liftM Int arbitrary)
]
shrink (Int i) = map Int $ shrink i
shrink (Dbl d) = map Dbl $ filter notInt $ shrink d
instance Arbitrary Normalized where
arbitrary = oneof [ elements [IsNormalized, NotNormalized]
, liftM NormalizedAngle arbitrary
]
shrink (NormalizedAngle a) = map NormalizedAngle $ shrink a
shrink _ = []
instance Arbitrary Version where
arbitrary = liftM (createVersion . map getPositive) arbList
shrink = map createVersion . nonEmptyShrinks . versionBranch
instance Arbitrary NodeSize where
arbitrary = arbBounded
{-
As of Graphviz 2.36.0 this was commented out; as such it might come
back, so leave this here in case we need it again.
instance Arbitrary AspectType where
arbitrary = oneof [ liftM RatioOnly arbitrary
, liftM2 RatioPassCount arbitrary posArbitrary
]
shrink (RatioOnly d) = map RatioOnly $ shrink d
shrink (RatioPassCount d i) = do ds <- shrink d
is <- shrink i
return $ RatioPassCount ds is
-}
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