{ stdenv, lib, souffle, runCommand }: let simpleTest = { name, commands }: stdenv.mkDerivation { inherit name; meta.timeout = 60; buildCommand = '' echo -e '.decl A(X: number)\n.output A\nA(1).' > A.dl ${commands} [ "$(cat A.csv)" = "1" ] touch $out ''; }; in { interpret = simpleTest { name = "souffle-test-interpret"; commands = "${souffle}/bin/souffle A.dl"; }; compile-in-one-step = simpleTest { name = "souffle-test-compile-in-one-step"; commands = '' ${souffle}/bin/souffle -o A A.dl ./A ''; }; compile-in-two-steps = simpleTest { name = "souffle-test-compile-in-two-steps"; commands = '' ${souffle}/bin/souffle -g A.cpp A.dl ${souffle}/bin/souffle-compile.py A.cpp -o A ./A ''; }; }