#!/usr/bin/env bats

load test_helper
export RUBY_BUILD_CACHE_PATH="$TMP/cache"
export MAKE=make

setup() {
  mkdir -p "$INSTALL_ROOT"
  stub md5 false
  stub curl false
}

cached_tarball() {
  mkdir -p "$RUBY_BUILD_CACHE_PATH"
  pushd "$RUBY_BUILD_CACHE_PATH" >/dev/null
  tarball "$1"
  popd >/dev/null
}

tarball() {
  local name="$1"
  local path="$PWD/$name"
  local configure="$path/configure"

  mkdir -p "$path"
  cat > "$configure" <<OUT
#!$BASH
echo "$name: \$@" > build.log
OUT
  chmod +x "$configure"

  tar czf "${path}.tar.gz" -C "${path%/*}" "$name"
}

stub_make_install() {
  stub "$MAKE" \
    " : echo \"$MAKE \$@\" >> build.log" \
    "install : cat build.log >> '$INSTALL_ROOT/build.log'"
}

assert_build_log() {
  run cat "$INSTALL_ROOT/build.log"
  assert_output
}

@test "yaml is installed for ruby" {
  cached_tarball "yaml-0.1.4"
  cached_tarball "ruby-2.0.0"

  stub brew false
  stub_make_install
  stub_make_install

  install_fixture definitions/needs-yaml
  assert_success

  unstub make

  assert_build_log <<OUT
yaml-0.1.4: --prefix=$INSTALL_ROOT
make -j 2
ruby-2.0.0: --prefix=$INSTALL_ROOT
make -j 2
OUT
}

@test "yaml is linked from Homebrew" {
  cached_tarball "ruby-2.0.0"

  brew_libdir="$TMP/homebrew-yaml"
  mkdir -p "$brew_libdir"

  stub brew "--prefix libyaml : echo '$brew_libdir'"
  stub_make_install

  install_fixture definitions/needs-yaml
  assert_success

  unstub brew
  unstub make

  assert_build_log <<OUT
ruby-2.0.0: --prefix=$INSTALL_ROOT --with-libyaml-dir=$brew_libdir
make -j 2
OUT
}

@test "custom relative install destination" {
  export RUBY_BUILD_CACHE_PATH="$FIXTURE_ROOT"

  cd "$TMP"
  install_fixture definitions/without-checksum ./here
  assert_success
  assert [ -x ./here/bin/package ]
}

@test "make on FreeBSD defaults to gmake" {
  cached_tarball "ruby-2.0.0"

  stub uname "-s : echo FreeBSD"
  MAKE=gmake stub_make_install

  MAKE= install_fixture definitions/vanilla-ruby
  assert_success

  unstub gmake
  unstub uname
}