From cd3591f562d507782697887b03abace44e383a0f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Reu=C3=9Fe?= <seb@schattenkopie.de>
Date: Tue, 12 Jul 2022 14:43:04 +0200
Subject: [PATCH] ballerina: add smoke test

---
 pkgs/development/compilers/ballerina/default.nix | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/ballerina/default.nix b/pkgs/development/compilers/ballerina/default.nix
index 6de0bebb7863..1776d5a23c7b 100644
--- a/pkgs/development/compilers/ballerina/default.nix
+++ b/pkgs/development/compilers/ballerina/default.nix
@@ -1,4 +1,4 @@
-{ lib, makeWrapper, fetchzip, stdenv, openjdk }:
+{ ballerina, lib, writeText, runCommand, makeWrapper, fetchzip, stdenv, openjdk }:
 let
   version = "2201.1.0";
   codeName = "swan-lake";
@@ -22,6 +22,19 @@ in stdenv.mkDerivation {
     wrapProgram $out/bin/bal --set JAVA_HOME ${openjdk}/lib/openjdk
   '';
 
+  passthru.tests.smokeTest = let
+    helloWorld = writeText "hello-world.bal" ''
+      import ballerina/io;
+      public function main() {
+        io:println("Hello, World!");
+      }
+    '';
+  in runCommand "ballerina-${version}-smoketest" { } ''
+    ${ballerina}/bin/bal run ${helloWorld} >$out
+    read result <$out
+    [[ $result = "Hello, World!" ]]
+  '';
+
   meta = with lib; {
     description = "An open-source programming language for the cloud";
     license = licenses.asl20;