From 31fa44e9aa4ba4d3db8688d785b766fd5e7cf8f1 Mon Sep 17 00:00:00 2001 From: Daniel Schüssler <933504+DanielSchuessler@users.noreply.github.com> Date: Sun, 26 Aug 2018 17:29:43 +0200 Subject: Turn the --monitor option to `Volume` into a new plugin `Alsa` instead See #360. --- test/Plugins/Monitors/AlsaSpec.hs | 157 +++++++++++++++++++++++++++++++++++ test/Plugins/Monitors/VolumeSpec.hs | 161 ------------------------------------ 2 files changed, 157 insertions(+), 161 deletions(-) create mode 100644 test/Plugins/Monitors/AlsaSpec.hs delete mode 100644 test/Plugins/Monitors/VolumeSpec.hs (limited to 'test') diff --git a/test/Plugins/Monitors/AlsaSpec.hs b/test/Plugins/Monitors/AlsaSpec.hs new file mode 100644 index 0000000..a813c1d --- /dev/null +++ b/test/Plugins/Monitors/AlsaSpec.hs @@ -0,0 +1,157 @@ +{-# OPTIONS_GHC -Wall #-} +module Plugins.Monitors.AlsaSpec + ( main + , spec + ) where + +import Control.Concurrent +import Control.Concurrent.Async +import Control.Monad +import Plugins.Monitors.Alsa +import System.FilePath +import System.IO +import System.IO.Temp +import System.Posix.Files +import System.Process +import Test.Hspec + +main :: IO () +main = hspec spec + +spec :: Spec +spec = do + describe "Alsa.getWaitMonitor" $ + it "produces the expected timeline (using a fake alsactl)" + runFakeAlsactlTest + + describe "Alsa.parseOptsIncludingMonitorArgs" $ do + it "works with empty args" $ do + opts <- parseOptsIncludingMonitorArgs [] + aoAlsaCtlPath opts `shouldBe` Nothing + + it "parses --alsactl=foo" $ do + opts <- parseOptsIncludingMonitorArgs ["--", "--alsactl=foo"] + aoAlsaCtlPath opts `shouldBe` Just "foo" + + +runFakeAlsactlTest :: Expectation +runFakeAlsactlTest = + withSystemTempDirectory "xmobar-test" $ \tmpDir -> do + + let fifoPath = tmpDir "fifo" + fakeAlsactlPath = tmpDir "fake-alsactl" + + writeFile fakeAlsactlPath $ + unlines + [ "#!/bin/bash" + , "[[ $1 == monitor ]] || exit 99" + , "exec cat \"$2\"" + ] + + setFileMode fakeAlsactlPath ownerModes + + withFifoWriteHandle fifoPath $ \fifo -> do + + timeline <- newMVar [] :: IO (MVar [TimelineEntry]) + runVolumeCompleted <- newEmptyMVar :: IO (MVar Bool) -- True -> quit + waiterTaskIsRunning <- newEmptyMVar :: IO (MVar ()) + waiterTaskIsWaiting <- newEmptyMVar :: IO (MVar ()) + + waitFunc <- getMonitorWaiter fifoPath (Just fakeAlsactlPath) + + let addToTimeline e = modifyMVar_ timeline (pure . (e :)) + + emitEvent = do + addToTimeline EventEmitted + hPutStrLn fifo "#17 (2,0,0,Master Playback Volume,0) VALUE" + hFlush fifo + + putNow mv val = do + ok <- tryPutMVar mv val + unless ok $ expectationFailure "Expected the MVar to be empty" + + simulateRunVolumeCompleted = putNow runVolumeCompleted False + + quitWaiter = putNow runVolumeCompleted True + + waiterTaskMain = do + addToTimeline RunVolume + putNow waiterTaskIsRunning () + q <- takeMVar runVolumeCompleted + unless q $ do + addToTimeline Waiting + putNow waiterTaskIsWaiting () + waitFunc + + waiterTaskMain + + delay_ms = threadDelay . (* 1000) + + withAsync waiterTaskMain $ \waiterTask -> do + + takeMVar waiterTaskIsRunning + simulateRunVolumeCompleted + takeMVar waiterTaskIsWaiting + takeMVar waiterTaskIsRunning -- Waiter returns instantly once + simulateRunVolumeCompleted + takeMVar waiterTaskIsWaiting + + emitEvent + takeMVar waiterTaskIsRunning + simulateRunVolumeCompleted + takeMVar waiterTaskIsWaiting + + let iters = 3 + burstSize = 5 + + replicateM_ iters $ do + emitEvent + takeMVar waiterTaskIsRunning + -- Now more events start to accumulate during runVolume + replicateM_ burstSize emitEvent + delay_ms 250 -- Give the events time to go through the pipe + simulateRunVolumeCompleted + -- runVolume completed and should run once more due to + -- accumulated events + takeMVar waiterTaskIsWaiting + takeMVar waiterTaskIsRunning + simulateRunVolumeCompleted + takeMVar waiterTaskIsWaiting + + emitEvent + takeMVar waiterTaskIsRunning + quitWaiter + + wait waiterTask + + timelineValue <- reverse <$> readMVar timeline + + timelineValue `shouldBe` + [RunVolume, Waiting, RunVolume, Waiting, EventEmitted, RunVolume, Waiting] + ++ concat + (replicate iters $ + [EventEmitted, RunVolume] + ++ replicate burstSize EventEmitted + ++ [Waiting, RunVolume, Waiting]) + ++ [EventEmitted, RunVolume] + +data TimelineEntry = EventEmitted | Waiting | RunVolume + deriving(Eq) + +instance Show TimelineEntry where + show x = + case x of + EventEmitted -> "E" + Waiting -> "W" + RunVolume -> "R" + + +withFifoWriteHandle :: FilePath -> (Handle -> IO b) -> IO b +withFifoWriteHandle fifoPath body = do + createNamedPipe fifoPath ownerModes + -- Can't seem to get the writing to the FIFO to work internally + withCreateProcess + (proc "bash" ["-c", "cat >> \"$0\"", fifoPath]) {std_in = CreatePipe} + $ \(Just h) _ _ _ -> do + hSetBuffering h LineBuffering + body h \ No newline at end of file diff --git a/test/Plugins/Monitors/VolumeSpec.hs b/test/Plugins/Monitors/VolumeSpec.hs deleted file mode 100644 index d724c21..0000000 --- a/test/Plugins/Monitors/VolumeSpec.hs +++ /dev/null @@ -1,161 +0,0 @@ -{-# OPTIONS_GHC -Wall #-} -module Plugins.Monitors.VolumeSpec - ( main - , spec - ) where - -import Control.Concurrent -import Control.Concurrent.Async -import Control.Monad -import Plugins.Monitors.Volume -import System.FilePath -import System.IO -import System.IO.Temp -import System.Posix.Files -import System.Process -import Test.Hspec - -main :: IO () -main = hspec spec - -spec :: Spec -spec = do - describe "Volume.getWaitMonitor" $ - it "produces the expected timeline (using a fake alsactl)" $ - runFakeAlsactlTest - - describe "Volume.parseOptsIncludingMonitorArgs" $ do - it "works with empty args" $ do - opts <- parseOptsIncludingMonitorArgs [] - refreshMode opts `shouldBe` RefreshModePoll - - it "parses --monitor" $ do - opts <- parseOptsIncludingMonitorArgs ["--", "--monitor"] - refreshMode opts `shouldBe` RefreshModeMonitor Nothing - - it "parses --monitor=foo" $ do - opts <- parseOptsIncludingMonitorArgs ["--", "--monitor=foo"] - refreshMode opts `shouldBe` RefreshModeMonitor (Just "foo") - - -runFakeAlsactlTest :: Expectation -runFakeAlsactlTest = - withSystemTempDirectory "xmobar-test" $ \tmpDir -> do - - let fifoPath = tmpDir "fifo" - fakeAlsactlPath = tmpDir "fake-alsactl" - - writeFile fakeAlsactlPath $ - unlines - [ "#!/bin/bash" - , "[[ $1 == monitor ]] || exit 99" - , "exec cat \"$2\"" - ] - - setFileMode fakeAlsactlPath ownerModes - - withFifoWriteHandle fifoPath $ \fifo -> do - - timeline <- newMVar [] :: IO (MVar [TimelineEntry]) - runVolumeCompleted <- newEmptyMVar :: IO (MVar Bool) -- True -> quit - waiterTaskIsRunning <- newEmptyMVar :: IO (MVar ()) - waiterTaskIsWaiting <- newEmptyMVar :: IO (MVar ()) - - waitFunc <- getMonitorWaiter fifoPath (Just fakeAlsactlPath) - - let addToTimeline e = modifyMVar_ timeline (pure . (e :)) - - emitEvent = do - addToTimeline EventEmitted - hPutStrLn fifo "#17 (2,0,0,Master Playback Volume,0) VALUE" - hFlush fifo - - putNow mv val = do - ok <- tryPutMVar mv val - unless ok $ expectationFailure "Expected the MVar to be empty" - - simulateRunVolumeCompleted = putNow runVolumeCompleted False - - quitWaiter = putNow runVolumeCompleted True - - waiterTaskMain = do - addToTimeline RunVolume - putNow waiterTaskIsRunning () - q <- takeMVar runVolumeCompleted - unless q $ do - addToTimeline Waiting - putNow waiterTaskIsWaiting () - waitFunc - - waiterTaskMain - - delay_ms = threadDelay . (* 1000) - - withAsync waiterTaskMain $ \waiterTask -> do - - takeMVar waiterTaskIsRunning - simulateRunVolumeCompleted - takeMVar waiterTaskIsWaiting - takeMVar waiterTaskIsRunning -- Waiter returns instantly once - simulateRunVolumeCompleted - takeMVar waiterTaskIsWaiting - - emitEvent - takeMVar waiterTaskIsRunning - simulateRunVolumeCompleted - takeMVar waiterTaskIsWaiting - - let iters = 3 - burstSize = 5 - - replicateM_ iters $ do - emitEvent - takeMVar waiterTaskIsRunning - -- Now more events start to accumulate during runVolume - replicateM_ burstSize emitEvent - delay_ms 250 -- Give the events time to go through the pipe - simulateRunVolumeCompleted - -- runVolume completed and should run once more due to - -- accumulated events - takeMVar waiterTaskIsWaiting - takeMVar waiterTaskIsRunning - simulateRunVolumeCompleted - takeMVar waiterTaskIsWaiting - - emitEvent - takeMVar waiterTaskIsRunning - quitWaiter - - wait waiterTask - - timelineValue <- reverse <$> readMVar timeline - - timelineValue `shouldBe` - [RunVolume, Waiting, RunVolume, Waiting, EventEmitted, RunVolume, Waiting] - ++ concat - (replicate iters $ - [EventEmitted, RunVolume] - ++ replicate burstSize EventEmitted - ++ [Waiting, RunVolume, Waiting]) - ++ [EventEmitted, RunVolume] - -data TimelineEntry = EventEmitted | Waiting | RunVolume - deriving(Eq) - -instance Show TimelineEntry where - show x = - case x of - EventEmitted -> "E" - Waiting -> "W" - RunVolume -> "R" - - -withFifoWriteHandle :: FilePath -> (Handle -> IO b) -> IO b -withFifoWriteHandle fifoPath body = do - createNamedPipe fifoPath ownerModes - -- Can't seem to get the writing to the FIFO to work internally - withCreateProcess - (proc "bash" ["-c", "cat >> \"$0\"", fifoPath]) {std_in = CreatePipe} - $ \(Just h) _ _ _ -> do - hSetBuffering h LineBuffering - body h \ No newline at end of file -- cgit v1.2.3