Add automated tests

1 files changed, 43 insertions, 3 deletions

diff --git a/snug-clean/src/snug.icl b/snug-clean/src/snug.icl
index 45b39a1..e1b5e8a 100644
--- a/snug-clean/src/snug.icl
+++ b/snug-clean/src/snug.icl
@@ -4,15 +4,18 @@ import StdEnv
 import StdMaybe
 
 import Data.Error
+import Data.Func
 import Data.List
 import System.CommandLine
 import System.File
 import System.FilePath
+import System.Process
 import Text
 
 import MIPS.MIPS32
 import Snug.Compile
 import Snug.Parse
+import Snug.Syntax
 
 /* Note: after compiling with
  *   snug program.snug
@@ -31,11 +34,48 @@ Start w
 	# mbDefs = parseSnug input
 	  defs = fromOk mbDefs
 	| isError mbDefs = abort ("Failed to parse: " +++ fromError mbDefs +++ "\n")
+	| any (\d -> d=:TestDef _ _ _ _) defs
+		= doTests output defs w
+		= doCompile output defs w
+
+doTests :: !String ![Definition] !*World -> *World
+doTests output all_defs w = seqSt doTest tests w
+where
+	(tests,defs) = partition (\d -> d=:TestDef _ _ _ _) all_defs
+
+	doTest :: !Definition !*World -> *World
+	doTest (TestDef name type expr expected) w
+		# w = log 0 (concat3 "\033[36mTesting " name "...\033[0m\n") w
+		# w = doCompile output [FunDef "main" [] type expr : defs] w
+		# (mbResult,w) = callProcessAndCollectOutput "spim" ["-quiet","-delayed_branches",output] ?None w
+		  (exitCode,output,error) = fromOk mbResult
+		| isError mbResult = abort ("Failed to run spim: " +++ snd (fromError mbResult) +++ "\n")
+		# w = log 1 output w
+		# w = if (error <> "") (logErr 1 error w) w
+		| exitCode <> 0 || error <> "" || trim output <> expected
+			# w = log 0 (concat3 "\033[31mFailed; expected:\033[0m\n\t" expected "\n") w
+			= setReturnCode 1 w
+		= w
+	where
+		log indent s w
+			# (io,w) = stdio w
+			# io = io <<< {#c \\ c <- repeatn indent '\t'} <<< s
+			# (_,w) = fclose io w
+			= w
+		logErr indent s w
+			# err = stderr <<< {#c \\ c <- repeatn indent '\t'} <<< s
+			# (_,w) = fclose err w
+			= w
+
+doCompile :: !String ![Definition] !*World -> *World
+doCompile output defs w
 	# mbAssembly = compile "main" defs
-	  assembly = fromOk mbAssembly
+	  assembly = join "\n" (map toString (fromOk mbAssembly))
 	| isError mbAssembly = abort ("Failed to compile: " +++ fromError mbAssembly +++ "\n")
-	# assembly = join "\n" (map toString assembly)
-	# (mbErr,w) = writeFile output assembly w
+	# (mbDriver,w) = readFile "driver.s" w
+	  driver = fromJust mbDriver
+	| isNone mbDriver = abort "Failed to read driver code\n"
+	# (mbErr,w) = writeFile output ({c \\ c <- driver} +++ assembly) w
 	| isError mbErr = abort ("Failed to write output: " +++ toString (fromError mbErr) +++ "\n")
 	| otherwise = w