// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

@TestOn("vm")
import 'dart:convert';

import 'package:test_descriptor/test_descriptor.dart' as d;

import 'package:test/src/util/exit_codes.dart' as exit_codes;
import 'package:test/test.dart';

import '../../io.dart';

void main() {
  test("ignores an empty file", () async {
    await d.file("global_test.yaml", "").create();

    await d.file("test.dart", """
      import 'package:test/test.dart';

      void main() {
        test("success", () {});
      }
    """).create();

    var test = await runTest(["test.dart"],
        environment: {"DART_TEST_CONFIG": "global_test.yaml"});
    expect(test.stdout, emitsThrough(contains("+1: All tests passed!")));
    await test.shouldExit(0);
  });

  test("uses supported test configuration", () async {
    await d
        .file("global_test.yaml", JSON.encode({"verbose_trace": true}))
        .create();

    await d.file("test.dart", """
      import 'package:test/test.dart';

      void main() {
        test("failure", () => throw "oh no");
      }
    """).create();

    var test = await runTest(["test.dart"],
        environment: {"DART_TEST_CONFIG": "global_test.yaml"});
    expect(test.stdout, emitsThrough(contains("dart:isolate-patch")));
    await test.shouldExit(1);
  });

  test("uses supported runner configuration", () async {
    await d
        .file("global_test.yaml", JSON.encode({"reporter": "json"}))
        .create();

    await d.file("test.dart", """
      import 'package:test/test.dart';

      void main() {
        test("success", () {});
      }
    """).create();

    var test = await runTest(["test.dart"],
        environment: {"DART_TEST_CONFIG": "global_test.yaml"});
    expect(test.stdout, emitsThrough(contains('"testStart"')));
    await test.shouldExit(0);
  });

  test("local configuration takes precedence", () async {
    await d
        .file("global_test.yaml", JSON.encode({"verbose_trace": true}))
        .create();

    await d
        .file("dart_test.yaml", JSON.encode({"verbose_trace": false}))
        .create();

    await d.file("test.dart", """
      import 'package:test/test.dart';

      void main() {
        test("failure", () => throw "oh no");
      }
    """).create();

    var test = await runTest(["test.dart"],
        environment: {"DART_TEST_CONFIG": "global_test.yaml"});
    expect(test.stdout, neverEmits(contains("dart:isolate-patch")));
    await test.shouldExit(1);
  });

  group("disallows local-only configuration:", () {
    for (var field in [
      "skip", "retry", "test_on", "paths", "filename", "names", "tags", //
      "plain_names", "include_tags", "exclude_tags", "pub_serve", "add_tags",
      "define_platforms"
    ]) {
      test("for $field", () async {
        await d.file("global_test.yaml", JSON.encode({field: null})).create();

        await d.file("test.dart", """
          import 'package:test/test.dart';

          void main() {
            test("success", () {});
          }
        """).create();

        var test = await runTest(["test.dart"],
            environment: {"DART_TEST_CONFIG": "global_test.yaml"});
        expect(
            test.stderr,
            containsInOrder(
                ["of global_test.yaml: $field isn't supported here.", "^^"]));
        await test.shouldExit(exit_codes.data);
      });
    }
  });
}