pkgs/build-support/trivial-builders/test/writeCBin.nix

   1 /*
   2   Run with:
   3
   4       cd nixpkgs
   5       nix-build -A tests.trivial-builders.writeCBin
   6 */
   7
   8 { lib, writeCBin, runCommand }:
   9 let
  10   output = "hello";
  11   pkg = writeCBin "test-script" ''
  12     #include <stdio.h>
  13     int main () {
  14       printf("hello\n");
  15       return 0;
  16     }
  17   '';
  18 in
  19   assert pkg.meta.mainProgram == "test-script";
  20   runCommand "test-writeCBin" { } ''
  21
  22     echo Testing with getExe...
  23
  24     target=${lib.getExe pkg}
  25     expected=${lib.escapeShellArg output}
  26     got=$("$target")
  27     if [[ "$got" != "$expected" ]]; then
  28       echo "wrong output: expected $expected, got $got"
  29       exit 1
  30     fi
  31
  32     echo Testing with makeBinPath...
  33
  34     PATH="${lib.makeBinPath [ pkg ]}:$PATH"
  35     got=$(test-script)
  36     if [[ "$got" != "$expected" ]]; then
  37       echo "wrong output: expected $expected, got $got"
  38       exit 1
  39     fi
  40
  41     touch $out
  42   ''
  43