sh_cxx_test.bzl

def test_tree(name, path):
  genrule(
    name = name,
    out = ".",
    srcs = [path],
    cmd = "cp -r $SRCS/* $OUT"
  )
  return ":"+name


def sh_cxx_test(
  name,
  tree = False,
  **kwargs):

  target = name
  binTarget = "bin-" + name
  shTarget = "sh-" + name
  runTarget = "run-" + name

  cxx_binary(
    binTarget,
    **kwargs
  )

  genrule(
    name = runTarget,
    out = "run.sh",
    srcs = [],
    cmd = "&&".join([
      "echo '%s' > $OUT" % "\n".join([ 
        "#!/bin/bash",
        "cd $(location %s)" % tree if tree else "cd $BUCK_PROJECT_ROOT/__default__/gen",
        "exec $(location :%s)" % binTarget
      ]), 
      "chmod +x $OUT"
    ])
  ) 

  sh_binary(
    name = shTarget,
    main = ":run-"+target,
    resources = []
  )

  sh_test(
    name = target,
    test = ":sh-"+target,
    visibility = ["PUBLIC"],
  )
  return ":"+target