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Merge pull request #11 from id3as/master
receive type class and show instances
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,82 +1,110 @@ | ||
| module Test.Process where | ||
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| import Prelude | ||
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| import Control.Monad.Free (Free) | ||
| import Data.Either (Either(..), isLeft) | ||
| import Data.Time.Duration (Milliseconds(..)) | ||
| import Effect.Class (liftEffect) | ||
| import Effect.Exception (throw) | ||
| import Erl.Process (ExitReason, ProcessM, receive, receiveWithTrap, self, spawn, spawnLink, trapExit, (!)) | ||
| import Erl.Process (ExitReason, ProcessM, receive, receiveWithTimeout, self, spawn, spawnLink, trapExit, (!)) | ||
| import Erl.Process.Raw as Raw | ||
| import Erl.Test.EUnit (TestF, suite, test) | ||
| import Foreign as Foreign | ||
| import Test.Assert (assertTrue) | ||
| import Unsafe.Coerce (unsafeCoerce) | ||
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| data Foo = Foo Int | Blah String | Whatever Boolean Number | ||
| data Foo | ||
| = Foo Int | ||
| | Blah String | ||
| | Whatever Boolean Number | ||
| derive instance eqFoo :: Eq Foo | ||
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| tests :: Free TestF Unit | ||
| tests = | ||
| tests = | ||
| suite "process tests" do | ||
| -- Use raw process communication to talk to the test process as it is not a typed Process | ||
| test "send stuff to spawned process" do | ||
| parent <- Raw.self | ||
| -- We can also do this inline or infer the types | ||
| let proc :: ProcessM Int Unit | ||
| proc = do | ||
| a :: Int <- receive | ||
| b :: Int <- receive | ||
| liftEffect $ parent `Raw.send` (a == 1 && b == 2) | ||
| let | ||
| proc :: ProcessM Int Unit | ||
| proc = do | ||
| a :: Int <- receive | ||
| b :: Int <- receive | ||
| liftEffect $ parent `Raw.send` (a == 1 && b == 2) | ||
| p <- spawn proc | ||
| p ! 1 | ||
| p ! 2 | ||
| Raw.receive >>= assertTrue | ||
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| test "send stuff to spawned process, another type" do | ||
| parent <- Raw.self | ||
| p <- spawn do | ||
| a <- receive | ||
| b <- receive | ||
| liftEffect $ parent `Raw.send` (a == Foo 42 && b == Whatever true 1.0) | ||
| p <- | ||
| spawn do | ||
| a <- receive | ||
| b <- receive | ||
| liftEffect $ parent `Raw.send` (a == Foo 42 && b == Whatever true 1.0) | ||
| p ! Foo 42 | ||
| p ! Whatever true 1.0 | ||
| Raw.receive >>= assertTrue | ||
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| test "sending tospawnLinked" do | ||
| parent <- Raw.self | ||
| p <- spawnLink do | ||
| a <- receive | ||
| b <- receive | ||
| liftEffect $ parent `Raw.send` (a == Foo 42 && b == Whatever true 1.0) | ||
| p <- | ||
| spawnLink do | ||
| a <- receive | ||
| b <- receive | ||
| liftEffect $ parent `Raw.send` (a == Foo 42 && b == Whatever true 1.0) | ||
| p ! Foo 42 | ||
| p ! Whatever true 1.0 | ||
| Raw.receive >>= assertTrue | ||
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| test "receive timeout" do | ||
| parent <- Raw.self | ||
| _p <- | ||
| spawnLink do | ||
| a <- receiveWithTimeout (Milliseconds 10.0) "default" | ||
| liftEffect $ parent `Raw.send` (a == "default") | ||
| Raw.receive >>= assertTrue | ||
| test "self eq" do | ||
| parent <- Raw.self | ||
| p <- spawnLink do | ||
| child <- self | ||
| liftEffect $ parent `Raw.send` child | ||
| p <- | ||
| spawnLink do | ||
| child <- self | ||
| liftEffect $ parent `Raw.send` child | ||
| p' <- Raw.receive | ||
| assertTrue $ p == p' | ||
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| test "trapExit" do | ||
| testPid <- Raw.self | ||
| void $ spawnLink do | ||
| parent <- self | ||
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| trapExit do | ||
| _ <- liftEffect $ spawnLink do | ||
| liftEffect $ parent ! 1 | ||
| liftEffect $ Raw.exit (Foreign.unsafeToForeign true) | ||
| pure unit | ||
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| first <- receiveWithTrap | ||
| liftEffect $ case (unsafeCoerce first) :: Either ExitReason Int of | ||
| Right 1 -> pure unit | ||
| _other -> do | ||
| throw "failed recv" | ||
| second <- receiveWithTrap | ||
| liftEffect $ testPid `Raw.send` (isLeft second) | ||
| void | ||
| $ spawnLink do | ||
| parent <- self | ||
| trapExit do | ||
| _ <- | ||
| liftEffect | ||
| $ spawnLink do | ||
| liftEffect $ parent ! 1 | ||
| liftEffect $ Raw.exit (Foreign.unsafeToForeign true) | ||
| pure unit | ||
| first <- receive | ||
| liftEffect | ||
| $ case (unsafeCoerce first) :: Either ExitReason Int of | ||
| Right 1 -> pure unit | ||
| _other -> do | ||
| throw "failed recv" | ||
| second <- receive | ||
| liftEffect $ testPid `Raw.send` (isLeft second) | ||
| Raw.receive >>= assertTrue | ||
| test "receive with trap timeout" do | ||
| testPid <- Raw.self | ||
| void | ||
| $ spawnLink do | ||
| trapExit do | ||
| _ <- | ||
| liftEffect | ||
| $ spawnLink do | ||
| _ <- receive | ||
| pure unit | ||
| a <- receiveWithTimeout (Milliseconds 100.0) "default" | ||
| liftEffect | ||
| $ case a of | ||
| Right "default" -> testPid `Raw.send` true | ||
| _ -> testPid `Raw.send` false | ||
| Raw.receive >>= assertTrue |