Revert "Revert "Use native async/await support in pub.""

sdk/lib/_internal/pub_generated/test/validator/dependency_test.dart

-// Copyright (c) 2013, 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 'dart:async';
-import 'dart:convert';
-
-import 'package:http/http.dart' as http;
-import 'package:http/testing.dart';
-import 'package:path/path.dart' as path;
-import 'package:scheduled_test/scheduled_test.dart';
-
-import '../../lib/src/entrypoint.dart';
-import '../../lib/src/validator.dart';
-import '../../lib/src/validator/dependency.dart';
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-import 'utils.dart';
-
-Validator dependency(Entrypoint entrypoint) =>
-    new DependencyValidator(entrypoint);
-
-expectDependencyValidationError(String error) {
-  expect(
-      schedulePackageValidation(dependency),
-      completion(pairOf(anyElement(contains(error)), isEmpty)));
-}
-
-expectDependencyValidationWarning(String warning) {
-  expect(
-      schedulePackageValidation(dependency),
-      completion(pairOf(isEmpty, anyElement(contains(warning)))));
-}
-
-/// Sets up a test package with dependency [dep] and mocks a server with
-/// [hostedVersions] of the package available.
-setUpDependency(Map dep, {List<String> hostedVersions}) {
-  useMockClient(new MockClient((request) {
-    expect(request.method, equals("GET"));
-    expect(request.url.path, equals("/api/packages/foo"));
-
-    if (hostedVersions == null) {
-      return new Future.value(new http.Response("not found", 404));
-    } else {
-      return new Future.value(new http.Response(JSON.encode({
-        "name": "foo",
-        "uploaders": ["nweiz@google.com"],
-        "versions": hostedVersions.map(
-            (version) => packageVersionApiMap(packageMap('foo', version))).toList()
-      }), 200));
-    }
-  }));
-
-  d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-      "foo": dep
-    })]).create();
-}
-
-main() {
-  initConfig();
-
-  group('should consider a package valid if it', () {
-    integration('looks normal', () {
-      d.validPackage.create();
-      expectNoValidationError(dependency);
-    });
-
-    integration('has a ^ constraint with an appropriate SDK constraint', () {
-      d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-          "foo": "^1.2.3"
-        }, sdk: ">=1.8.0 <2.0.0")]).create();
-      expectNoValidationError(dependency);
-    });
-  });
-
-  group('should consider a package invalid if it', () {
-    setUp(d.validPackage.create);
-
-    group('has a git dependency', () {
-      group('where a hosted version exists', () {
-        integration("and should suggest the hosted primary version", () {
-          setUpDependency({
-            'git': 'git://github.com/dart-lang/foo'
-          }, hostedVersions: ["3.0.0-pre", "2.0.0", "1.0.0"]);
-          expectDependencyValidationWarning('  foo: ">=2.0.0 <3.0.0"');
-        });
-
-        integration(
-            "and should suggest the hosted prerelease version if "
-                "it's the only version available",
-            () {
-          setUpDependency({
-            'git': 'git://github.com/dart-lang/foo'
-          }, hostedVersions: ["3.0.0-pre", "2.0.0-pre"]);
-          expectDependencyValidationWarning('  foo: ">=3.0.0-pre <4.0.0"');
-        });
-
-        integration(
-            "and should suggest a tighter constraint if primary is " "pre-1.0.0",
-            () {
-          setUpDependency({
-            'git': 'git://github.com/dart-lang/foo'
-          }, hostedVersions: ["0.0.1", "0.0.2"]);
-          expectDependencyValidationWarning('  foo: ">=0.0.2 <0.1.0"');
-        });
-      });
-
-      group('where no hosted version exists', () {
-        integration("and should use the other source's version", () {
-          setUpDependency({
-            'git': 'git://github.com/dart-lang/foo',
-            'version': '>=1.0.0 <2.0.0'
-          });
-          expectDependencyValidationWarning('  foo: ">=1.0.0 <2.0.0"');
-        });
-
-        integration(
-            "and should use the other source's unquoted version if " "concrete",
-            () {
-          setUpDependency({
-            'git': 'git://github.com/dart-lang/foo',
-            'version': '0.2.3'
-          });
-          expectDependencyValidationWarning('  foo: 0.2.3');
-        });
-      });
-    });
-
-    group('has a path dependency', () {
-      group('where a hosted version exists', () {
-        integration("and should suggest the hosted primary version", () {
-          setUpDependency({
-            'path': path.join(sandboxDir, 'foo')
-          }, hostedVersions: ["3.0.0-pre", "2.0.0", "1.0.0"]);
-          expectDependencyValidationError('  foo: ">=2.0.0 <3.0.0"');
-        });
-
-        integration(
-            "and should suggest the hosted prerelease version if "
-                "it's the only version available",
-            () {
-          setUpDependency({
-            'path': path.join(sandboxDir, 'foo')
-          }, hostedVersions: ["3.0.0-pre", "2.0.0-pre"]);
-          expectDependencyValidationError('  foo: ">=3.0.0-pre <4.0.0"');
-        });
-
-        integration(
-            "and should suggest a tighter constraint if primary is " "pre-1.0.0",
-            () {
-          setUpDependency({
-            'path': path.join(sandboxDir, 'foo')
-          }, hostedVersions: ["0.0.1", "0.0.2"]);
-          expectDependencyValidationError('  foo: ">=0.0.2 <0.1.0"');
-        });
-      });
-
-      group('where no hosted version exists', () {
-        integration("and should use the other source's version", () {
-          setUpDependency({
-            'path': path.join(sandboxDir, 'foo'),
-            'version': '>=1.0.0 <2.0.0'
-          });
-          expectDependencyValidationError('  foo: ">=1.0.0 <2.0.0"');
-        });
-
-        integration(
-            "and should use the other source's unquoted version if " "concrete",
-            () {
-          setUpDependency({
-            'path': path.join(sandboxDir, 'foo'),
-            'version': '0.2.3'
-          });
-          expectDependencyValidationError('  foo: 0.2.3');
-        });
-      });
-    });
-
-    group('has an unconstrained dependency', () {
-      group('and it should not suggest a version', () {
-        integration("if there's no lockfile", () {
-          d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-              "foo": "any"
-            })]).create();
-
-          expect(
-              schedulePackageValidation(dependency),
-              completion(pairOf(isEmpty, everyElement(isNot(contains("\n  foo:"))))));
-        });
-
-        integration(
-            "if the lockfile doesn't have an entry for the " "dependency",
-            () {
-          d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-              "foo": "any"
-            }), d.file("pubspec.lock", JSON.encode({
-              'packages': {
-                'bar': {
-                  'version': '1.2.3',
-                  'source': 'hosted',
-                  'description': {
-                    'name': 'bar',
-                    'url': 'http://pub.dartlang.org'
-                  }
-                }
-              }
-            }))]).create();
-
-          expect(
-              schedulePackageValidation(dependency),
-              completion(pairOf(isEmpty, everyElement(isNot(contains("\n  foo:"))))));
-        });
-      });
-
-      group('with a lockfile', () {
-        integration(
-            'and it should suggest a constraint based on the locked ' 'version',
-            () {
-          d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-              "foo": "any"
-            }), d.file("pubspec.lock", JSON.encode({
-              'packages': {
-                'foo': {
-                  'version': '1.2.3',
-                  'source': 'hosted',
-                  'description': {
-                    'name': 'foo',
-                    'url': 'http://pub.dartlang.org'
-                  }
-                }
-              }
-            }))]).create();
-
-          expectDependencyValidationWarning('  foo: ">=1.2.3 <2.0.0"');
-        });
-
-        integration(
-            'and it should suggest a concrete constraint if the locked '
-                'version is pre-1.0.0',
-            () {
-          d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-              "foo": "any"
-            }), d.file("pubspec.lock", JSON.encode({
-              'packages': {
-                'foo': {
-                  'version': '0.1.2',
-                  'source': 'hosted',
-                  'description': {
-                    'name': 'foo',
-                    'url': 'http://pub.dartlang.org'
-                  }
-                }
-              }
-            }))]).create();
-
-          expectDependencyValidationWarning('  foo: ">=0.1.2 <0.2.0"');
-        });
-      });
-    });
-
-    integration(
-        'with a single-version dependency and it should suggest a '
-            'constraint based on the version',
-        () {
-      d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-          "foo": "1.2.3"
-        })]).create();
-
-      expectDependencyValidationWarning('  foo: ">=1.2.3 <2.0.0"');
-    });
-
-    group('has a dependency without a lower bound', () {
-      group('and it should not suggest a version', () {
-        integration("if there's no lockfile", () {
-          d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-              "foo": "<3.0.0"
-            })]).create();
-
-          expect(
-              schedulePackageValidation(dependency),
-              completion(pairOf(isEmpty, everyElement(isNot(contains("\n  foo:"))))));
-        });
-
-        integration(
-            "if the lockfile doesn't have an entry for the " "dependency",
-            () {
-          d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-              "foo": "<3.0.0"
-            }), d.file("pubspec.lock", JSON.encode({
-              'packages': {
-                'bar': {
-                  'version': '1.2.3',
-                  'source': 'hosted',
-                  'description': {
-                    'name': 'bar',
-                    'url': 'http://pub.dartlang.org'
-                  }
-                }
-              }
-            }))]).create();
-
-          expect(
-              schedulePackageValidation(dependency),
-              completion(pairOf(isEmpty, everyElement(isNot(contains("\n  foo:"))))));
-        });
-      });
-
-      group('with a lockfile', () {
-        integration(
-            'and it should suggest a constraint based on the locked ' 'version',
-            () {
-          d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-              "foo": "<3.0.0"
-            }), d.file("pubspec.lock", JSON.encode({
-              'packages': {
-                'foo': {
-                  'version': '1.2.3',
-                  'source': 'hosted',
-                  'description': {
-                    'name': 'foo',
-                    'url': 'http://pub.dartlang.org'
-                  }
-                }
-              }
-            }))]).create();
-
-          expectDependencyValidationWarning('  foo: ">=1.2.3 <3.0.0"');
-        });
-
-        integration('and it should preserve the upper-bound operator', () {
-          d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-              "foo": "<=3.0.0"
-            }), d.file("pubspec.lock", JSON.encode({
-              'packages': {
-                'foo': {
-                  'version': '1.2.3',
-                  'source': 'hosted',
-                  'description': {
-                    'name': 'foo',
-                    'url': 'http://pub.dartlang.org'
-                  }
-                }
-              }
-            }))]).create();
-
-          expectDependencyValidationWarning('  foo: ">=1.2.3 <=3.0.0"');
-        });
-
-        integration(
-            'and it should expand the suggested constraint if the '
-                'locked version matches the upper bound',
-            () {
-          d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-              "foo": "<=1.2.3"
-            }), d.file("pubspec.lock", JSON.encode({
-              'packages': {
-                'foo': {
-                  'version': '1.2.3',
-                  'source': 'hosted',
-                  'description': {
-                    'name': 'foo',
-                    'url': 'http://pub.dartlang.org'
-                  }
-                }
-              }
-            }))]).create();
-
-          expectDependencyValidationWarning('  foo: ">=1.2.3 <2.0.0"');
-        });
-      });
-    });
-
-    group('with a dependency without an upper bound', () {
-      integration(
-          'and it should suggest a constraint based on the lower bound',
-          () {
-        d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-            "foo": ">=1.2.3"
-          })]).create();
-
-        expectDependencyValidationWarning('  foo: ">=1.2.3 <2.0.0"');
-      });
-
-      integration('and it should preserve the lower-bound operator', () {
-        d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-            "foo": ">1.2.3"
-          })]).create();
-
-        expectDependencyValidationWarning('  foo: ">1.2.3 <2.0.0"');
-      });
-    });
-
-    group('has a ^ dependency', () {
-      integration("without an SDK constraint", () {
-        d.dir(appPath, [d.libPubspec("integration_pkg", "1.0.0", deps: {
-            "foo": "^1.2.3"
-          })]).create();
-
-        expectDependencyValidationError('  foo: ">=1.2.3 <2.0.0"');
-      });
-
-      integration("with a too-broad SDK constraint", () {
-        d.dir(appPath, [d.libPubspec("test_pkg", "1.0.0", deps: {
-            "foo": "^1.2.3"
-          }, sdk: ">=1.5.0 <2.0.0")]).create();
-
-        expectDependencyValidationError('  foo: ">=1.2.3 <2.0.0"');
-      });
-    });
-  });
-}