// Copyright (c) 2020, 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.

import 'package:test/test.dart';

import '../descriptor.dart' as d;
import '../test_pub.dart';

void main() {
  group('pub upgrade --major-versions', () {
    test('bumps dependency constraints and shows summary report', () async {
      await servePackages()
        ..serve('foo', '1.0.0')
        ..serve('foo', '2.0.0')
        ..serve('bar', '0.1.0')
        ..serve('bar', '0.2.0')
        ..serve('baz', '1.0.0')
        ..serve('baz', '1.0.1');

      await d.appDir({
        'foo': '^1.0.0',
        'bar': '^0.1.0',
        'baz': '^1.0.0',
      }).create();

      await pubGet();

      // 2 constraints should be updated
      await pubUpgrade(
        args: ['--major-versions'],
        output: allOf([
          contains('Changed 2 constraints in pubspec.yaml:'),
          contains('foo: ^1.0.0 -> ^2.0.0'),
          contains('bar: ^0.1.0 -> ^0.2.0'),
        ]),
      );

      await d.appDir({
        'foo': '^2.0.0',
        'bar': '^0.2.0',
        'baz': '^1.0.0',
      }).validate();

      await d.appPackagesFile({
        'foo': '2.0.0',
        'bar': '0.2.0',
        'baz': '1.0.1',
      }).validate();
    });

    test('bumps dev_dependency constraints and shows summary report', () async {
      await servePackages()
        ..serve('foo', '1.0.0')
        ..serve('foo', '2.0.0')
        ..serve('bar', '0.1.0')
        ..serve('bar', '0.2.0')
        ..serve('baz', '1.0.0')
        ..serve('baz', '1.0.1');

      await d.dir(appPath, [
        d.pubspec({
          'name': 'myapp',
          'dev_dependencies': {
            'foo': '^1.0.0',
            'bar': '^0.1.0',
            'baz': '^1.0.0',
          }
        }),
      ]).create();

      await pubGet();

      // 2 constraints should be updated
      await pubUpgrade(
        args: ['--major-versions'],
        output: allOf([
          contains('Changed 2 constraints in pubspec.yaml:'),
          contains('foo: ^1.0.0 -> ^2.0.0'),
          contains('bar: ^0.1.0 -> ^0.2.0'),
        ]),
      );

      await d.dir(appPath, [
        d.pubspec({
          'name': 'myapp',
          'dev_dependencies': {
            'foo': '^2.0.0', // bumped
            'bar': '^0.2.0', // bumped
            'baz': '^1.0.0',
          }
        }),
      ]).validate();

      await d.appPackagesFile({
        'foo': '2.0.0',
        'bar': '0.2.0',
        'baz': '1.0.1',
      }).validate();
    });

    test('upgrades only the selected package', () async {
      await servePackages()
        ..serve('foo', '1.0.0')
        ..serve('foo', '2.0.0')
        ..serve('bar', '0.1.0')
        ..serve('bar', '0.2.0');

      await d.appDir({
        'foo': '^1.0.0',
        'bar': '^0.1.0',
      }).create();

      await pubGet();

      // 1 constraint should be updated
      await pubUpgrade(
        args: ['--major-versions', 'foo'],
        output: allOf([
          contains('Changed 1 constraint in pubspec.yaml:'),
          contains('foo: ^1.0.0 -> ^2.0.0'),
        ]),
      );

      await d.appDir({
        'foo': '^2.0.0', // bumped
        'bar': '^0.1.0',
      }).validate();

      await d.appPackagesFile({'foo': '2.0.0', 'bar': '0.1.0'}).validate();
    });

    test('chooses the latest version where possible', () async {
      await servePackages()
        ..serve('foo', '1.0.0')
        ..serve('foo', '2.0.0')
        ..serve('foo', '3.0.0');

      await d.appDir({'foo': '^1.0.0'}).create();

      await pubGet();

      await pubUpgrade(
        args: ['--major-versions'],
        output: allOf([
          contains('Changed 1 constraint in pubspec.yaml:'),
          contains('foo: ^1.0.0 -> ^3.0.0'),
        ]),
      );

      await d.dir(appPath, [
        // The pubspec file should be modified.
        d.pubspec({
          'name': 'myapp',
          'dependencies': {'foo': '^3.0.0'}
        }),
        // The lockfile should be modified.
        d.file('pubspec.lock', contains('3.0.0'))
      ]).validate();

      await d.appPackagesFile({'foo': '3.0.0'}).validate();
    });

    test('overridden dependencies - no resolution', () async {
      await servePackages()
        ..serve('foo', '1.0.0', deps: {'bar': '^2.0.0'})
        ..serve('foo', '2.0.0', deps: {'bar': '^1.0.0'})
        ..serve('bar', '1.0.0', deps: {'foo': '^1.0.0'})
        ..serve('bar', '2.0.0', deps: {'foo': '^2.0.0'});

      await d.dir(appPath, [
        d.pubspec({
          'name': 'myapp',
          'version': '1.0.1',
          'dependencies': {
            'foo': 'any',
            'bar': 'any',
          },
          'dependency_overrides': {
            'foo': '1.0.0',
            'bar': '1.0.0',
          },
        })
      ]).create();

      await pubGet();

      await pubUpgrade(
        args: ['--major-versions'],
        output: contains('No changes to pubspec.yaml!'),
        warning: allOf([
          contains('Warning: dependency_overrides prevents upgrades for: '),
          contains('foo'), // ordering not ensured
          contains('bar'),
        ]),
      );

      await d.dir(appPath, [
        d.pubspec({
          'name': 'myapp',
          'version': '1.0.1',
          'dependencies': {
            'foo': 'any',
            'bar': 'any',
          },
          'dependency_overrides': {
            'foo': '1.0.0',
            'bar': '1.0.0',
          },
        })
      ]).validate();

      await d.appPackagesFile({'foo': '1.0.0', 'bar': '1.0.0'}).validate();
    });

    test('upgrade should not downgrade any versions', () async {
      /// The version solver solves the packages with the least number of
      /// versions remaining, so we add more 'bar' packages to force 'foo' to be
      /// resolved first
      await servePackages()
        ..serve('foo', '1.0.0')
        ..serve('foo', '2.0.0', pubspec: {
          'dependencies': {'bar': '1.0.0'}
        })
        ..serve('bar', '1.0.0')
        ..serve('bar', '2.0.0')
        ..serve('bar', '3.0.0')
        ..serve('bar', '4.0.0');

      await d.appDir({
        'foo': '^1.0.0',
        'bar': '^2.0.0',
      }).create();

      await pubGet();

      // 1 constraint should be updated
      await pubUpgrade(
        args: ['--major-versions'],
        output: allOf([
          contains('Changed 1 constraint in pubspec.yaml:'),
          contains('bar: ^2.0.0 -> ^4.0.0'),
        ]),
      );

      await d.appDir({
        'foo': '^1.0.0',
        'bar': '^4.0.0',
      }).validate();

      await d.appPackagesFile({
        'foo': '1.0.0',
        'bar': '4.0.0',
      }).validate();
    });
  });
}