# Copyright 2013 The Flutter Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//flutter/build/dart/internal/gen_dartcli_call.gni")

# Generates an executable that runs `dart test` on a single test program.
#
# Parameters:
#   main_dart (required):
#     The entrypoint to the Dart test program.
#
#   output (optional):
#     Overrides the full output path.
#     Defaults to $root_out_dir/gen/$target_path/$target_name; for example
#     //flutter/foo/bar emits a binary at out/{variant}/gen/flutter/foo/bar.
template("dart_test") {
  assert(defined(invoker.main_dart), "Must specify 'main_dart'")

  # Generate the CWD based on the directory of the invoking GN file.
  parent_dir = get_label_info(target_name, "dir")
  cwd = get_path_info(parent_dir, "dir")

  gen_dartcli_call(target_name) {
    args = [
      "test",
      invoker.main_dart,
    ]
    cwd = rebase_path(cwd)
    metadata = {
      action_type = [ "dart_test" ]
    }
    testonly = true
    forward_variables_from(invoker,
                           [
                             "output",
                             "visibility",
                           ])
  }
}