{-# LANGUAGE ScopedTypeVariables #-}
module Test.HMock.MockMethod
( mockMethod,
mockDefaultlessMethod,
)
where
import Control.Concurrent.STM (TVar, readTVar, writeTVar)
import Control.Monad (forM, forM_, join, void)
import Control.Monad.Extra (concatMapM)
import Control.Monad.IO.Class (MonadIO)
import Control.Monad.Reader (ask)
import Data.Bifunctor (bimap)
import Data.Default (Default (def))
import Data.Either (partitionEithers)
import Data.Function (on)
import Data.Functor (($>))
import Data.List (intercalate, sortBy)
import Data.Maybe (catMaybes)
import Data.Proxy (Proxy (Proxy))
import Data.Typeable (cast)
import GHC.Stack (HasCallStack, withFrozenCallStack)
import Test.HMock.ExpectContext (MockableMethod)
import Test.HMock.Internal.ExpectSet (ExpectSet, liveSteps)
import Test.HMock.Internal.Rule (WholeMethodMatcher (..), showWholeMatcher)
import Test.HMock.Internal.State
( MockContext (..),
MockSetup (..),
MockState (..),
MockT,
allStates,
initClassIfNeeded,
mockSetupSTM,
)
import Test.HMock.Internal.Step (SingleRule ((:->)), Step (Step))
import Test.HMock.Internal.Util (Located (Loc), withLoc)
import Test.HMock.MockT (describeExpectations)
import Test.HMock.Mockable (MatchResult (..), Mockable (..), MockableBase (..))
matchWholeAction ::
MockableBase cls =>
WholeMethodMatcher cls name m a ->
Action cls name m a ->
MatchResult
matchWholeAction :: WholeMethodMatcher cls name m a
-> Action cls name m a -> MatchResult
matchWholeAction (JustMatcher Matcher cls name m a
m) Action cls name m a
a = Matcher cls name m a -> Action cls name m a -> MatchResult
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
(m :: * -> *) a.
MockableBase cls =>
Matcher cls name m a -> Action cls name m a -> MatchResult
matchAction Matcher cls name m a
m Action cls name m a
a
matchWholeAction (Matcher cls name m a
m `SuchThat` Action cls name m a -> Bool
p) Action cls name m a
a = case Matcher cls name m a -> Action cls name m a -> MatchResult
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
(m :: * -> *) a.
MockableBase cls =>
Matcher cls name m a -> Action cls name m a -> MatchResult
matchAction Matcher cls name m a
m Action cls name m a
a of
NoMatch Int
n -> Int -> MatchResult
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n
MatchResult
Match
| Action cls name m a -> Bool
p Action cls name m a
a -> MatchResult
Match
| Bool
otherwise -> Int -> MatchResult
NoMatch Int
0
mockMethodImpl ::
forall cls name m r.
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r ->
Action cls name m r ->
MockT m r
mockMethodImpl :: r -> Action cls name m r -> MockT m r
mockMethodImpl r
surrogate Action cls name m r
action = MockT m (MockT m r) -> MockT m r
forall (m :: * -> *) a. Monad m => m (m a) -> m a
join (MockT m (MockT m r) -> MockT m r)
-> MockT m (MockT m r) -> MockT m r
forall a b. (a -> b) -> a -> b
$
MockSetup m (MockT m r) -> MockT m (MockT m r)
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fromMockSetup (MockSetup m (MockT m r) -> MockT m (MockT m r))
-> MockSetup m (MockT m r) -> MockT m (MockT m r)
forall a b. (a -> b) -> a -> b
$ do
Proxy cls -> MockSetup m ()
forall (cls :: (* -> *) -> Constraint) (m :: * -> *)
(proxy :: ((* -> *) -> Constraint) -> *).
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proxy cls -> MockSetup m ()
initClassIfNeeded (Proxy cls
forall k (t :: k). Proxy t
Proxy :: Proxy cls)
[MockState m]
states <- MockState m -> [MockState m]
forall (m :: * -> *). MockState m -> [MockState m]
allStates (MockState m -> [MockState m])
-> MockSetup m (MockState m) -> MockSetup m [MockState m]
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ask
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liveSteps ExpectSet (Step m)
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let orderedPartial :: [String]
orderedPartial = (Int, String) -> String
forall a b. (a, b) -> b
snd ((Int, String) -> String) -> [(Int, String)] -> [String]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
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Bool
checkAmbig <- STM Bool -> MockSetup m Bool
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opts)
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>> MockT m r -> MockSetup m (MockT m r)
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tryMatch ::
TVar (ExpectSet (Step m)) ->
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Either
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-> Maybe (Located (SingleRule cls name m r))
forall a b. (Typeable a, Typeable b) => a -> Maybe b
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expected =
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-> Action cls name m r -> MatchResult
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
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WholeMethodMatcher cls name m a
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matchWholeAction WholeMethodMatcher cls name m r
m Action cls name m r
action of
NoMatch Int
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forall a. a -> Maybe a
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Right
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m),
STM () -> MockSetup m ()
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tvar ExpectSet (Step m)
e,
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impl
)
| Bool
otherwise = Maybe (Int, String)
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forall a b. a -> Either a b
Left Maybe (Int, String)
forall a. Maybe a
Nothing
allowedUnexpected :: [Step m] -> Maybe (Maybe (MockT m r))
allowedUnexpected :: [Step m] -> Maybe (Maybe (MockT m r))
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Nothing
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steps)
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-> Maybe (Located (SingleRule cls name m r))
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cast Located (SingleRule cls name m r)
unexpected,
MatchResult
Match <- WholeMethodMatcher cls name m r
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WholeMethodMatcher cls name m a
-> Action cls name m a -> MatchResult
matchWholeAction WholeMethodMatcher cls name m r
m Action cls name m r
action =
Maybe (MockT m r) -> Maybe (Maybe (MockT m r))
forall a. a -> Maybe a
Just (((Action cls name m r -> MockT m r)
-> Action cls name m r -> MockT m r
forall a b. (a -> b) -> a -> b
$ Action cls name m r
action) ((Action cls name m r -> MockT m r) -> MockT m r)
-> Maybe (Action cls name m r -> MockT m r) -> Maybe (MockT m r)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Maybe (Action cls name m r -> MockT m r)
impl)
| Bool
otherwise = [Step m] -> Maybe (Maybe (MockT m r))
allowedUnexpected [Step m]
steps
findDefault :: [Step m] -> MockT m r
findDefault :: [Step m] -> MockT m r
findDefault [] = r -> MockT m r
forall (m :: * -> *) a. Monad m => a -> m a
return r
surrogate
findDefault (Step Located (SingleRule cls name m r)
expected : [Step m]
steps)
| Just (Loc Maybe String
_ (WholeMethodMatcher cls name m r
m :-> Maybe (Action cls name m r -> MockT m r)
impl)) <- Located (SingleRule cls name m r)
-> Maybe (Located (SingleRule cls name m r))
forall a b. (Typeable a, Typeable b) => a -> Maybe b
cast Located (SingleRule cls name m r)
expected,
MatchResult
Match <- WholeMethodMatcher cls name m r
-> Action cls name m r -> MatchResult
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
(m :: * -> *) a.
MockableBase cls =>
WholeMethodMatcher cls name m a
-> Action cls name m a -> MatchResult
matchWholeAction WholeMethodMatcher cls name m r
m Action cls name m r
action =
MockT m r
-> ((Action cls name m r -> MockT m r) -> MockT m r)
-> Maybe (Action cls name m r -> MockT m r)
-> MockT m r
forall b a. b -> (a -> b) -> Maybe a -> b
maybe ([Step m] -> MockT m r
findDefault [Step m]
steps) ((Action cls name m r -> MockT m r)
-> Action cls name m r -> MockT m r
forall a b. (a -> b) -> a -> b
$ Action cls name m r
action) Maybe (Action cls name m r -> MockT m r)
impl
| Bool
otherwise = [Step m] -> MockT m r
findDefault [Step m]
steps
getSideEffect :: [Step m] -> MockT m ()
getSideEffect :: [Step m] -> MockT m ()
getSideEffect [Step m]
effects =
[Step m] -> (Step m -> MockT m ()) -> MockT m ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
t a -> (a -> m b) -> m ()
forM_ [Step m]
effects ((Step m -> MockT m ()) -> MockT m ())
-> (Step m -> MockT m ()) -> MockT m ()
forall a b. (a -> b) -> a -> b
$ \(Step Located (SingleRule cls name m r)
expected) -> case Located (SingleRule cls name m r)
-> Maybe (Located (SingleRule cls name m r))
forall a b. (Typeable a, Typeable b) => a -> Maybe b
cast Located (SingleRule cls name m r)
expected of
Just (Loc Maybe String
_ (WholeMethodMatcher cls name m r
m :-> Just Action cls name m r -> MockT m r
impl))
| MatchResult
Match <- WholeMethodMatcher cls name m r
-> Action cls name m r -> MatchResult
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
(m :: * -> *) a.
MockableBase cls =>
WholeMethodMatcher cls name m a
-> Action cls name m a -> MatchResult
matchWholeAction WholeMethodMatcher cls name m r
m Action cls name m r
action -> MockT m r -> MockT m ()
forall (f :: * -> *) a. Functor f => f a -> f ()
void (Action cls name m r -> MockT m r
impl Action cls name m r
action)
Maybe (Located (SingleRule cls name m r))
_ -> () -> MockT m ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
mockMethod ::
( HasCallStack,
MonadIO m,
MockableMethod cls name m r,
Default r
) =>
Action cls name m r ->
MockT m r
mockMethod :: Action cls name m r -> MockT m r
mockMethod Action cls name m r
action =
(HasCallStack => MockT m r) -> MockT m r
forall a. HasCallStack => (HasCallStack => a) -> a
withFrozenCallStack ((HasCallStack => MockT m r) -> MockT m r)
-> (HasCallStack => MockT m r) -> MockT m r
forall a b. (a -> b) -> a -> b
$ r -> Action cls name m r -> MockT m r
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
(m :: * -> *) r.
(HasCallStack, MonadIO m, MockableMethod cls name m r) =>
r -> Action cls name m r -> MockT m r
mockMethodImpl r
forall a. Default a => a
def Action cls name m r
action
mockDefaultlessMethod ::
( HasCallStack,
MonadIO m,
MockableMethod cls name m r
) =>
Action cls name m r ->
MockT m r
mockDefaultlessMethod :: Action cls name m r -> MockT m r
mockDefaultlessMethod Action cls name m r
action =
(HasCallStack => MockT m r) -> MockT m r
forall a. HasCallStack => (HasCallStack => a) -> a
withFrozenCallStack ((HasCallStack => MockT m r) -> MockT m r)
-> (HasCallStack => MockT m r) -> MockT m r
forall a b. (a -> b) -> a -> b
$ r -> Action cls name m r -> MockT m r
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
(m :: * -> *) r.
(HasCallStack, MonadIO m, MockableMethod cls name m r) =>
r -> Action cls name m r -> MockT m r
mockMethodImpl r
forall a. HasCallStack => a
undefined Action cls name m r
action
noMatchError ::
(Mockable cls, MonadIO m) => Action cls name m r -> MockT m a
noMatchError :: Action cls name m r -> MockT m a
noMatchError Action cls name m r
a = do
String
fullExpectations <- MockT m String
forall (m :: * -> *). MonadIO m => MockT m String
describeExpectations
String -> MockT m a
forall a. HasCallStack => String -> a
error (String -> MockT m a) -> String -> MockT m a
forall a b. (a -> b) -> a -> b
$
String
"Unexpected action: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Action cls name m r -> String
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
(m :: * -> *) a.
MockableBase cls =>
Action cls name m a -> String
showAction Action cls name m r
a
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"\n\nFull expectations:\n"
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
fullExpectations
partialMatchError ::
(Mockable cls, MonadIO m) =>
Action cls name m r ->
[String] ->
MockT m a
partialMatchError :: Action cls name m r -> [String] -> MockT m a
partialMatchError Action cls name m r
a [String]
partials = do
String
fullExpectations <- MockT m String
forall (m :: * -> *). MonadIO m => MockT m String
describeExpectations
String -> MockT m a
forall a. HasCallStack => String -> a
error (String -> MockT m a) -> String -> MockT m a
forall a b. (a -> b) -> a -> b
$
String
"Wrong arguments: "
String -> String -> String
forall a. [a] -> [a] -> [a]
++ Action cls name m r -> String
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
(m :: * -> *) a.
MockableBase cls =>
Action cls name m a -> String
showAction Action cls name m r
a
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"\n\nClosest matches:\n - "
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String -> [String] -> String
forall a. [a] -> [[a]] -> [a]
intercalate String
"\n - " (Int -> [String] -> [String]
forall a. Int -> [a] -> [a]
take Int
5 [String]
partials)
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"\n\nFull expectations:\n"
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
fullExpectations
ambiguityError ::
(Mockable cls, MonadIO m) =>
Action cls name m r ->
[String] ->
MockT m a
ambiguityError :: Action cls name m r -> [String] -> MockT m a
ambiguityError Action cls name m r
a [String]
choices = do
String
fullExpectations <- MockT m String
forall (m :: * -> *). MonadIO m => MockT m String
describeExpectations
String -> MockT m a
forall a. HasCallStack => String -> a
error (String -> MockT m a) -> String -> MockT m a
forall a b. (a -> b) -> a -> b
$
String
"Ambiguous action matched multiple expectations: "
String -> String -> String
forall a. [a] -> [a] -> [a]
++ Action cls name m r -> String
forall (cls :: (* -> *) -> Constraint) (name :: Symbol)
(m :: * -> *) a.
MockableBase cls =>
Action cls name m a -> String
showAction Action cls name m r
a
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"\n\nMatches:\n - "
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String -> [String] -> String
forall a. [a] -> [[a]] -> [a]
intercalate String
"\n - " [String]
choices
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"\n\nFull expectations:\n"
String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
fullExpectations