build/python/python_host_test.gni

# Copyright 2020 The Fuchsia 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("//build/python/python.gni")
import("//build/testing/host_test.gni")
import("//build/testing/host_test_data.gni")

# Declares a host-side python test.
#
# Parameters
#
#   * main_source
#      - Required: The .py file that will be interpreted.
#      - Type: path
#
#   * sources
#     - Optional: Other files that are used in the test.
#     - Type: list(path)
#
#   * deps
#   * visibility
#     - Optional: Usual GN meanings.

template("python_host_test") {
  assert(defined(invoker.main_source), "main_source is required")
  _target_dir = get_label_info(target_name, "dir")
  _out_dir = "${root_out_dir}/test_data/${_target_dir}"

  _host_test_data_target = "${target_name}_test_data"
  host_test_data(_host_test_data_target) {
    testonly = true
    forward_variables_from(invoker,
                           [
                             "deps",
                             "visibility",
                           ])
    sources = [ invoker.main_source ]
    if (defined(invoker.sources)) {
      sources += invoker.sources
    }
    outputs = [ "${_out_dir}/{{source_file_part}}" ]
  }

  host_test(target_name) {
    binary_path = python_exe_path
    args = [ rebase_path("${_out_dir}/${invoker.main_source}", root_build_dir) ]
    deps = [
      ":${_host_test_data_target}",
      "//build/python:interpreter",
    ]
  }
}