# Copyright 2021 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/rust/rustc_binary.gni")
import("//build/testing/host_test.gni")
import("//build/testing/host_test_data.gni")

group("tests") {
  testonly = true
  deps = [ ":host_tests($host_toolchain)" ]
}

if (is_host) {
  group("host_tests") {
    testonly = true
    deps = [ ":gn_json_integration_test" ]
  }

  rustc_binary("gn_json_integration_test_executable") {
    testonly = true
    edition = "2021"
    deps = [
      "../gn_json",
      "//third_party/rust_crates:anyhow",
      "//third_party/rust_crates:argh",
      "//third_party/rust_crates:camino",
      "//third_party/rust_crates:itertools",
      "//third_party/rust_crates:pretty_assertions",
      "//third_party/rust_crates:serde_json",
      "//third_party/rust_crates:tempfile",
    ]

    source_root = "src/main.rs"
    sources = [ "src/main.rs" ]
  }

  # we need to copy the GN binary from the builder into the test output
  # directory so we can run it on a different bot than does the builds.
  gn_tool_dir = "${target_out_dir}/gn_dir"
  host_test_data("gn_tool") {
    sources = [ "//prebuilt/third_party/gn/${host_platform}/gn" ]
    outputs = [ "$gn_tool_dir/{{source_file_part}}" ]
  }

  host_test_data("test_project") {
    sources = [
      "gn_project/.gn",
      "gn_project/BUILD.gn",
      "gn_project/build/BUILD.gn",
      "gn_project/build/BUILDCONFIG.gn",
      "gn_project/build/toolchain/BUILD.gn",
      "gn_project/foo/BUILD.gn",
      "gn_project/foo/bar/BUILD.gn",
    ]
    outputs = [ "${target_out_dir}/{{source_target_relative}}" ]
  }
  test_project_dir = "${target_out_dir}/gn_project"

  host_test("gn_json_integration_test") {
    binary_path = "$root_out_dir/gn_json_integration_test_executable"
    args = [
      "--gn-tool-dir",
      rebase_path(gn_tool_dir, root_build_dir),
      "--project-dir",
      rebase_path(test_project_dir, root_build_dir),
    ]
    deps = [
      ":gn_json_integration_test_executable",
      ":gn_tool",
      ":test_project",
    ]
  }
}