1 files changed, 46 insertions, 7 deletions
diff --git a/pkgs/development/tools/purescript/spago/default.nix b/pkgs/development/tools/purescript/spago/default.nix
index 2fc5efedb20..f5720837d79 100644
--- a/pkgs/development/tools/purescript/spago/default.nix
+++ b/pkgs/development/tools/purescript/spago/default.nix
@@ -1,14 +1,53 @@
-{ haskellPackages
-, haskell
+{ haskell
+, haskellPackages
 , lib
+, nodejs
+, purescript
+, runCommand
 }:
 
-haskell.lib.justStaticExecutables (haskell.lib.overrideCabal haskellPackages.spago (oldAttrs: {
-  maintainers = (oldAttrs.maintainers or []) ++ [
-    lib.maintainers.cdepillabout
-  ];
+let
+  spago =
+    haskell.lib.justStaticExecutables
+      (haskell.lib.overrideCabal haskellPackages.spago (oldAttrs: {
+        maintainers = (oldAttrs.maintainers or []) ++ [
+          lib.maintainers.cdepillabout
+        ];
+      }));
+in
 
+spago.overrideAttrs (oldAttrs: {
   passthru = (oldAttrs.passthru or {}) // {
     updateScript = ./update.sh;
+
+    # These tests can be run with the following command.  The tests access the
+    # network, so they cannot be run in the nix sandbox.  sudo is needed in
+    # order to change the sandbox option.
+    #
+    # $ sudo nix-build -A spago.passthru.tests --option sandbox relaxed
+    #
+    tests =
+      runCommand
+        "spago-tests"
+        {
+          __noChroot = true;
+          nativeBuildInputs = [
+            nodejs
+            purescript
+            spago
+          ];
+        }
+        ''
+          # spago expects HOME to be set because it creates a cache file under
+          # home.
+          HOME=$(pwd)
+
+          spago --verbose init
+          spago --verbose build
+          spago --verbose test
+
+          touch $out
+        '';
   };
-}))
+})
+