pkg/analyzer/test/src/workspace/pub_test.dart

// Copyright (c) 2019, 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:analyzer/file_system/file_system.dart';
import 'package:analyzer/source/file_source.dart';
import 'package:analyzer/source/source.dart';
import 'package:analyzer/src/context/packages.dart';
import 'package:analyzer/src/generated/source.dart' show UriResolver;
import 'package:analyzer/src/workspace/basic.dart';
import 'package:analyzer/src/workspace/pub.dart';
import 'package:analyzer/src/workspace/workspace.dart';
import 'package:analyzer/utilities/package_config_file_builder.dart';
import 'package:analyzer_testing/resource_provider_mixin.dart';
import 'package:test/test.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';

import '../../generated/test_support.dart';
import 'workspace_test_support.dart';

main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(PubPackageTest);
    defineReflectiveTests(PackageConfigWorkspaceTest);
    defineReflectiveTests(PackageBuildFileUriResolverTest);
    defineReflectiveTests(PackageBuildPackageUriResolverTest);
  });
}

class MockUriResolver implements UriResolver {
  Map<Uri, File> uriToFile = {};
  Map<String, Uri> pathToUriMap = {};

  void add(Uri uri, File file) {
    uriToFile[uri] = file;
    pathToUriMap[file.path] = uri;
  }

  @override
  noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);

  @override
  Uri? pathToUri(String path) {
    return pathToUriMap[path];
  }

  @override
  Source? resolveAbsolute(Uri uri) {
    var file = uriToFile[uri];
    return file != null ? FileSource(file, uri) : null;
  }
}

@reflectiveTest
class PackageBuildFileUriResolverTest with ResourceProviderMixin {
  late final PackageConfigWorkspace workspace;
  late final PackageConfigFileUriResolver resolver;

  File get testFile => getFile('$testPackageLibPath/test.dart');

  String get testPackageGeneratedLibPath => '$testPackageGeneratedRootPath/lib';

  String get testPackageGeneratedRootPath =>
      '$testPackageRootPath/.dart_tool/build/generated/test';

  String get testPackageLibPath => '$testPackageRootPath/lib';

  String get testPackageRootPath => '$workspaceRootPath/test';

  String get workspaceRootPath => '/home';

  void setUp() {
    newFolder(testPackageGeneratedLibPath);
    newPubspecYamlFile(testPackageRootPath, 'name: test');
    var config = PackageConfigFileBuilder();
    config.add(name: 'test', rootPath: convertPath(testPackageRootPath));
    newPackageConfigJsonFile(
      testPackageRootPath,
      config.toContent(pathContext: pathContext),
    );

    workspace =
        PackageConfigWorkspace.find(
          resourceProvider,
          Packages.empty,
          convertPath(testPackageRootPath),
        )!;
    resolver = PackageConfigFileUriResolver(workspace);
    expect(workspace.isBlaze, isFalse);
  }

  void test_resolveAbsolute_fileUri() {
    var path = testFile.path;
    newFile(path, '');
    _assertResolveUri(toUri(path), path);
  }

  void test_resolveAbsolute_fileUri_doesNotExist() {
    var path = testFile.path;
    _assertResolveUri(toUri(path), path, exists: false);
  }

  void test_resolveAbsolute_fileUri_folder() {
    var uri = toUri(testPackageRootPath);
    var source = resolver.resolveAbsolute(uri);
    expect(source, isNull);
  }

  void test_resolveAbsolute_fileUri_generated_lib() {
    var file = newFile('$testPackageGeneratedLibPath/foo.dart', '');
    _assertResolveUri(toUri('$testPackageLibPath/foo.dart'), file.path);
  }

  void test_resolveAbsolute_fileUri_generated_notLib() {
    var file = newFile('$testPackageGeneratedRootPath/example/foo.dart', '');
    _assertResolveUri(
      toUri('$testPackageRootPath/example/foo.dart'),
      file.path,
    );
  }

  void test_resolveAbsolute_notFileUri_dartUri() {
    var uri = Uri.parse('dart:core');
    var source = resolver.resolveAbsolute(uri);
    expect(source, isNull);
  }

  void test_resolveAbsolute_notFileUri_httpsUri() {
    var uri = Uri.parse('https://127.0.0.1/test.dart');
    var source = resolver.resolveAbsolute(uri);
    expect(source, isNull);
  }

  Source _assertResolveUri(Uri uri, String posixPath, {bool exists = true}) {
    var source = resolver.resolveAbsolute(uri)!;
    var path = source.fullName;
    expect(path, convertPath(posixPath));
    expect(source.uri, uri);
    expect(source.exists(), exists);
    expect(resolver.pathToUri(path), uri);
    return source;
  }
}

@reflectiveTest
class PackageBuildPackageUriResolverTest with ResourceProviderMixin {
  late final PackageConfigWorkspace workspace;
  late final PackageConfigPackageUriResolver resolver;
  late final MockUriResolver packageUriResolver;

  Uri addPackageSource(String path, String uriStr, {bool create = true}) {
    Uri uri = Uri.parse(uriStr);
    var file =
        create
            ? newFile(path, '')
            : resourceProvider.getResource(convertPath(path)) as File;
    packageUriResolver.add(uri, file);
    return uri;
  }

  void setUp() {
    newPubspecYamlFile('/workspace', 'name: project');
    newPackageConfigJsonFile('/workspace', '');
  }

  void test_resolveAbsolute_generated() {
    _addResources([
      '/workspace/.dart_tool/build/generated/project/lib/generated_file.dart',
    ]);
    Uri sourceUri = addPackageSource(
      '/workspace/lib/generated_file.dart',
      'package:project/generated_file.dart',
      create: false,
    );
    _assertResolveUri(
      sourceUri,
      '/workspace/.dart_tool/build/generated/project/lib/generated_file.dart',
    );
  }

  void test_resolveAbsolute_null_notPackage() {
    _addResources(['/workspace/.dart_tool/build/generated']);
    var source = resolver.resolveAbsolute(Uri.parse('dart:async'));
    expect(source, isNull);
  }

  void test_resolveAbsolute_null_startsWithSlash() {
    _addResources(['/workspace/.dart_tool/build/generated']);
    var source = resolver.resolveAbsolute(Uri.parse('package:/foo/bar.dart'));
    expect(source, isNull);
  }

  void test_resolveAbsolute_source() {
    _addResources([
      '/workspace/.dart_tool/build/generated/project/lib/source_file.dart',
    ]);
    Uri sourceUri = addPackageSource(
      '/workspace/lib/source_file.dart',
      'package:project/source_file.dart',
    );
    _assertResolveUri(sourceUri, '/workspace/lib/source_file.dart');
  }

  void test_resolveAbsolute_workspace_doesNotExist() {
    _addResources(['/workspace/.dart_tool/build/generated']);
    Uri sourceUri = addPackageSource(
      '/workspace/lib/doesNotExist.dart',
      'package:project/doesNotExist.dart',
      create: false,
    );
    _assertResolveUri(
      sourceUri,
      '/workspace/lib/doesNotExist.dart',
      exists: false,
    );
  }

  void _addResources(
    List<String> paths, {
    String workspacePath = '/workspace',
  }) {
    for (String path in paths) {
      if (path.endsWith('/')) {
        newFolder(path.substring(0, path.length - 1));
      } else {
        newFile(path, '');
      }
    }
    var config = PackageConfigFileBuilder();
    config.add(name: 'project', rootPath: '/workspace');
    newPackageConfigJsonFile(
      workspacePath,
      config.toContent(pathContext: pathContext),
    );
    workspace =
        PackageConfigWorkspace.find(
          resourceProvider,
          Packages.empty,
          convertPath(workspacePath),
        )!;
    packageUriResolver = MockUriResolver();
    resolver = PackageConfigPackageUriResolver(workspace, packageUriResolver);
  }

  Source _assertResolveUri(Uri uri, String posixPath, {bool exists = true}) {
    var source = resolver.resolveAbsolute(uri)!;
    var path = source.fullName;
    expect(path, convertPath(posixPath));
    expect(source.uri, uri);
    expect(source.exists(), exists);
    expect(resolver.pathToUri(path), uri);
    return source;
  }
}

@reflectiveTest
class PackageConfigWorkspaceTest with ResourceProviderMixin {
  void test_builtFile_currentProject() {
    newFolder('/workspace/.dart_tool/build');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);

    var libFile = newFile(
      '/workspace/.dart_tool/build/generated/project/lib/file.dart',
      '',
    );
    expect(
      workspace.builtFile(convertPath('lib/file.dart'), 'project'),
      libFile,
    );
  }

  void test_builtFile_importedPackage() {
    newFolder('/workspace/.dart_tool/build');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
      'foo',
    ]);

    var libFile = newFile(
      '/workspace/.dart_tool/build/generated/foo/lib/file.dart',
      '',
    );
    expect(workspace.builtFile(convertPath('lib/file.dart'), 'foo'), libFile);
  }

  void test_builtFile_notInPackagesGetsHidden() {
    newFolder('/workspace/.dart_tool/build');
    // Ensure package:bar is not configured.
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
      'foo',
    ]);

    // Create a generated file in package:bar.
    newFile('/workspace/.dart_tool/build/generated/bar/lib/file.dart', '');

    // Bar not in packages, file should not be returned.
    expect(workspace.builtFile('lib/file.dart', 'bar'), isNull);
  }

  void test_find_directory() {
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);
    expect(workspace.isBlaze, isFalse);
    expect(workspace.root, convertPath('/workspace'));
  }

  void test_find_file() {
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);
    expect(workspace.root, convertPath('/workspace'));
  }

  void test_find_hasBuild_hasPubspec_malformed_dontGoToUp() {
    newFolder('/workspace/.dart_tool/build/generated');

    newFolder('/workspace/aaa/.dart_tool/build/generated');
    newPubspecYamlFile('/workspace/aaa', '*');

    PackageConfigWorkspace workspace = _createWorkspace('/workspace/aaa', []);
    expect(workspace.root, convertPath('/workspace/aaa'));
  }

  void test_find_hasDartToolAndPubspec() {
    newFolder('/workspace/.dart_tool/build/generated/project/lib');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', []);

    expect(workspace.root, convertPath('/workspace'));
  }

  void test_find_hasDartToolAndPubspec_inParentDirectory() {
    newFolder('/workspace/.dart_tool/build/generated/project/lib');
    newFolder('/workspace/opened/up/a/child/dir/.dart_tool/build');
    newPubspecYamlFile('/workspace/opened/up/a/child/dir', 'name: subproject');
    PackageConfigWorkspace workspace = _createWorkspace(
      '/workspace/opened/up/a/child/dir',
      ['project'],
    );
    expect(workspace.root, convertPath('/workspace/opened/up/a/child/dir'));
  }

  void test_find_hasDartToolAndPubspec_inParentDirectory_ignoresSoloDartTool() {
    newFolder('/workspace/.dart_tool/build/generated/project/lib');
    newFolder('/workspace/opened/up/a/child/dir');
    newFolder('/workspace/opened/up/a/child/dir/.dart_tool/build');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);
    expect(workspace.root, convertPath('/workspace'));
  }

  void test_find_hasDartToolNoBuild() {
    // Edge case: an empty .dart_tool directory. Don't assume package:build.
    newFolder('/workspace/.dart_tool');
    _createWorkspace('/workspace', ['project']);
  }

  void test_find_hasDartToolNoPackageConfig() {
    newFolder('/workspace/.dart_tool/build/generated/project/lib');
    var workspace = PackageConfigWorkspace.find(
      resourceProvider,
      Packages.empty,
      convertPath('/workspace'),
    );
    expect(workspace, isNull);
  }

  void test_find_hasDartToolPubButNotBuild() {
    // Dart projects will have this directory, that don't use package:build.
    newFolder('/workspace/.dart_tool/pub');
    newPackageConfigJsonFile('/workspace', '');
    var workspace = PackageConfigWorkspace.find(
      resourceProvider,
      Packages.empty,
      convertPath('/workspace'),
    );
    expect(workspace!.root, convertPath('/workspace'));
  }

  void test_find_hasMalformedPubspec() {
    newFolder('/workspace/.dart_tool/build/generated/project/lib');
    newPubspecYamlFile('/workspace', 'not: yaml: here! 1111');
    newPackageConfigJsonFile('/workspace', '');
    var workspace = PackageConfigWorkspace.find(
      resourceProvider,
      Packages.empty,
      convertPath('/workspace'),
    );
    expect(workspace?.root, convertPath('/workspace'));
  }

  void test_find_hasPubspec_noDartTool_dontGoUp() {
    newFolder('/workspace/.dart_tool/build/generated');
    newPackageConfigJsonFile('/workspace/aaa', '');

    newPubspecYamlFile('/workspace/aaa', '*');

    var workspace = PackageConfigWorkspace.find(
      resourceProvider,
      Packages.empty,
      convertPath('/workspace/aaa/lib'),
    );
    expect(workspace?.root, convertPath('/workspace/aaa'));
  }

  void test_find_hasPubspecNoDartTool() {
    var workspace = PackageConfigWorkspace.find(
      resourceProvider,
      Packages.empty,
      convertPath('/workspace'),
    );
    expect(workspace, isNull);
  }

  void test_findFile_bin() {
    newFolder('/workspace/.dart_tool/build/generated/project/bin');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);

    var binFile = newFile('/workspace/bin/file.dart', '');
    expect(
      workspace.findFile(convertPath('/workspace/bin/file.dart')),
      binFile,
    );
  }

  void test_findFile_binGenerated() {
    newFolder('/workspace/.dart_tool/build/generated/project/bin');
    newPubspecYamlFile('/workspace', 'name: project');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);

    var binFile = newFile(
      '/workspace/.dart_tool/build/generated/project/bin/file.dart',
      '',
    );
    expect(
      workspace.findFile(convertPath('/workspace/bin/file.dart')),
      binFile,
    );
  }

  void test_findFile_libGenerated() {
    newFolder('/workspace/.dart_tool/build/generated/project/lib');
    newPubspecYamlFile('/workspace', 'name: project');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);

    var libFile = newFile(
      '/workspace/.dart_tool/build/generated/project/lib/file.dart',
      '',
    );
    expect(
      workspace.findFile(convertPath('/workspace/lib/file.dart')),
      libFile,
    );
  }

  void test_findFile_test() {
    newFolder('/workspace/.dart_tool/build/generated/project/test');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);

    var testFile = newFile('/workspace/test/file.dart', '');
    expect(
      workspace.findFile(convertPath('/workspace/test/file.dart')),
      testFile,
    );
  }

  void test_findFile_testGenerated() {
    newFolder('/workspace/.dart_tool/build/generated/project/test');
    newPubspecYamlFile('/workspace', 'name: project');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);

    var testFile = newFile(
      '/workspace/.dart_tool/build/generated/project/test/file.dart',
      '',
    );
    expect(
      workspace.findFile(convertPath('/workspace/test/file.dart')),
      testFile,
    );
  }

  void test_findFile_web() {
    newFolder('/workspace/.dart_tool/build/generated/project/web');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);

    var webFile = newFile('/workspace/web/file.dart', '');
    expect(
      workspace.findFile(convertPath('/workspace/web/file.dart')),
      webFile,
    );
  }

  void test_findFile_webGenerated() {
    newFolder('/workspace/.dart_tool/build/generated/project/web');
    newPubspecYamlFile('/workspace', 'name: project');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);

    var webFile = newFile(
      '/workspace/.dart_tool/build/generated/project/web/file.dart',
      '',
    );
    expect(
      workspace.findFile(convertPath('/workspace/web/file.dart')),
      webFile,
    );
  }

  void test_isConsistentWithFileSystem() {
    newFolder('/workspace/.dart_tool/build/generated/project/bin');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
    ]);
    expect(workspace.isConsistentWithFileSystem, isTrue);

    newPackageConfigJsonFile('/workspace', 'project:/workspace');
    expect(workspace.isConsistentWithFileSystem, isFalse);
  }

  void test_multiple_packages() {
    var aFilePath = '/workspace/a/lib/a.dart';
    var bFilePath = '/workspace/b/b.dart';
    _addResources(['/workspace/a/lib/', '/workspace/b/', aFilePath, bFilePath]);
    newPubspecYamlFile('/workspace/a', 'name: a');
    PackageConfigWorkspace workspace = _createWorkspace('/workspace', [
      'project',
      'foo',
    ]);
    expect(workspace.root, convertPath('/workspace'));
    workspace.findPackageFor(convertPath(aFilePath));
    workspace.findPackageFor(convertPath(bFilePath));
    expect(
      workspace.allPackages,
      unorderedEquals([isA<PubPackage>(), isA<BasicWorkspacePackage>()]),
    );
  }

  void _addResources(List<String> paths) {
    for (String path in paths) {
      if (path.endsWith('/')) {
        newFolder(path.substring(0, path.length - 1));
      } else {
        newFile(path, '');
      }
    }
  }

  PackageConfigWorkspace _createWorkspace(
    String root,
    List<String> packageNames,
  ) {
    var config = PackageConfigFileBuilder();
    for (var name in packageNames) {
      config.add(name: name, rootPath: convertPath('/packages/$name'));
    }
    newPackageConfigJsonFile(root, config.toContent(pathContext: pathContext));
    return PackageConfigWorkspace.find(
      resourceProvider,
      Packages.empty,
      convertPath(root),
    )!;
  }
}

@reflectiveTest
class PubPackageTest extends WorkspacePackageTest {
  late final PackageConfigWorkspace myWorkspace;
  late final WorkspacePackageImpl myPackage;

  String get fooPackageLibPath => '$fooPackageRootPath/lib';

  String get fooPackageRootPath => '$myWorkspacePath/foo';

  String get myPackageGeneratedPath {
    return '$myPackageRootPath/.dart_tool/build/generated';
  }

  String get myPackageLibPath => '$myPackageRootPath/lib';

  String get myPackageRootPath => '$myWorkspacePath/my';

  String get myWorkspacePath => '/workspace2';

  setUp() {
    // Setup two workspaces, one at path /workspace that does not have generated
    // files, and the second at path /workspace2 which uses the build package
    // and has generated files.

    // workspace 1 with packages 'p1' and 'workspace'
    newPubspecYamlFile('/workspace', 'name: project');
    var config = PackageConfigFileBuilder();
    config.add(name: 'p1', rootPath: '/.pubcache/p1');
    config.add(name: 'workspace', rootPath: '/workspace');
    newPackageConfigJsonFile(
      '/workspace',
      config.toContent(pathContext: pathContext),
    );
    workspace =
        PackageConfigWorkspace.find(
          resourceProvider,
          Packages.empty,
          convertPath('/workspace'),
        )!;
    expect(workspace.isBlaze, isFalse);

    // workspace 2 with packages 'my' and 'foo'
    newPubspecYamlFile(myPackageRootPath, 'name: my');
    config = PackageConfigFileBuilder();
    config.add(name: 'my', rootPath: myPackageRootPath);
    config.add(name: 'foo', rootPath: fooPackageRootPath);
    newPackageConfigJsonFile(
      myPackageRootPath,
      config.toContent(pathContext: pathContext),
    );
    newFolder(myPackageGeneratedPath);
    myWorkspace =
        PackageConfigWorkspace.find(
          resourceProvider,
          Packages.empty,
          convertPath(myPackageRootPath),
        )!;
    var fakeFile = getFile('$myPackageLibPath/fake.dart');
    myPackage = myWorkspace.findPackageFor(fakeFile.path)!;
  }

  void test_contains_differentWorkspace() {
    newFile('$myWorkspacePath/project/lib/file.dart', '');

    var package = findPackage('/workspace/project/lib/code.dart')!;
    expect(
      package.contains(
        TestSource(convertPath('$myWorkspacePath/project/lib/file.dart')),
      ),
      isFalse,
    );
  }

  test_contains_fileUri() {
    expect(
      myPackage.contains(_sourceWithFileUri('$myPackageRootPath/test/a.dart')),
      isTrue,
    );

    expect(
      myPackage.contains(_sourceWithFileUri('$fooPackageRootPath/test/a.dart')),
      isFalse,
    );
  }

  test_contains_packageUri() {
    expect(
      myPackage.contains(_sourceWithPackageUriWithoutPath('package:my/a.dart')),
      isTrue,
    );

    expect(
      myPackage.contains(
        _sourceWithPackageUriWithoutPath('package:foo/a.dart'),
      ),
      isFalse,
    );
  }

  void test_contains_sameWorkspace() {
    newFile('/workspace/project/lib/file2.dart', '');

    var package = findPackage('/workspace/project/lib/code.dart')!;
    expect(
      package.contains(
        TestSource(convertPath('/workspace/project/lib/file2.dart')),
      ),
      isTrue,
    );
    expect(
      package.contains(
        TestSource(convertPath('/workspace/project/bin/bin.dart')),
      ),
      isTrue,
    );
    expect(
      package.contains(
        TestSource(convertPath('/workspace/project/test/test.dart')),
      ),
      isTrue,
    );
  }

  void test_findPackageFor_includedFile() {
    newFile('/workspace/project/lib/file.dart', '');

    var package = findPackage('/workspace/project/lib/file.dart')!;
    expect(package.root.path, convertPath('/workspace'));
    expect(package.workspace, equals(workspace));
  }

  test_findPackageFor_my_build_dir_file() {
    var package = myWorkspace.findPackageFor(
      convertPath('/workspace/build/lib/a.dart'),
    );
    expect(package, null);
  }

  test_findPackageFor_my_generated_file() {
    var package = myWorkspace.findPackageFor(
      convertPath('$myPackageGeneratedPath/my/a.dart'),
    );
    expect(package, myPackage);
  }

  test_findPackageFor_my_generated_libFile() {
    var package =
        myWorkspace.findPackageFor(
          convertPath('$myPackageGeneratedPath/my/lib/a.dart'),
        )!;
    expect(package.root.path, convertPath(myPackageRootPath));
    expect(package.workspace, myWorkspace);
  }

  test_findPackageFor_my_generated_testFile() {
    var package =
        myWorkspace.findPackageFor(
          convertPath('$myPackageGeneratedPath/my/test/a.dart'),
        )!;
    expect(package.root.path, convertPath(myPackageRootPath));
    expect(package.workspace, myWorkspace);
  }

  test_findPackageFor_my_libFile() {
    var package =
        myWorkspace.findPackageFor(convertPath('$myPackageLibPath/a.dart'))!;
    expect(package.root.path, convertPath(myPackageRootPath));
    expect(package.workspace, myWorkspace);
  }

  test_findPackageFor_my_testFile() {
    var package =
        myWorkspace.findPackageFor(
          convertPath('$myPackageRootPath/test/a.dart'),
        )!;
    expect(package.root.path, convertPath(myPackageRootPath));
    expect(package.workspace, myWorkspace);
  }

  test_findPackageFor_my_web_file() {
    var package = myWorkspace.findPackageFor(
      convertPath('$myPackageRootPath/web/a.dart'),
    );
    expect(package, myPackage);
  }

  test_findPackageFor_other() {
    expect(
      myWorkspace.findPackageFor(convertPath('$fooPackageRootPath/lib/a.dart')),
      isNull,
    );

    expect(
      myWorkspace.findPackageFor(
        convertPath('$fooPackageRootPath/test/a.dart'),
      ),
      isNull,
    );
  }

  void test_findPackageFor_unrelatedFile() {
    newFile('/workspace/project/lib/file.dart', '');

    var package = findPackage('$myWorkspacePath/project/lib/file.dart');
    expect(package, isNull);
  }

  test_isInTestDirectory() {
    var pubPackage = myPackage as PubPackage;

    expect(
      pubPackage.isInTestDirectory(getFile('$myPackageRootPath/lib/a.dart')),
      isFalse,
    );

    expect(
      pubPackage.isInTestDirectory(getFile('$myPackageRootPath/test/a.dart')),
      isTrue,
    );
  }

  void test_packagesAvailableTo() {
    var libraryPath = convertPath('/workspace/lib/test.dart');
    var package = findPackage(libraryPath)!;
    var packages = package.packagesAvailableTo(libraryPath);
    expect(
      packages.packages.map((e) => e.name),
      unorderedEquals(['p1', 'workspace']),
    );
  }

  Source _sourceWithFileUri(String path) {
    return _MockSource(path: convertPath(path), uri: toUri(path));
  }

  Source _sourceWithPackageUriWithoutPath(String uriStr) {
    var uri = Uri.parse(uriStr);
    return _MockSource(path: convertPath('/test/lib/test.dart'), uri: uri);
  }
}

class _MockSource implements Source {
  final String path;

  @override
  final Uri uri;

  _MockSource({required this.path, required this.uri});

  @override
  String get fullName {
    return path;
  }

  @override
  dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
}