Initial implementation of pub summary manager.

pkg/analyzer/test/src/summary/pub_summary_test.dart

+// 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.
+
+import 'package:analyzer/file_system/file_system.dart';
+import 'package:analyzer/source/package_map_resolver.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer/src/summary/idl.dart';
+import 'package:analyzer/src/summary/pub_summary.dart';
+import 'package:path/path.dart' as pathos;
+import 'package:unittest/unittest.dart' hide ERROR;
+
+import '../../reflective_tests.dart';
+import '../../utils.dart';
+import '../context/abstract_context.dart';
+
+main() {
+  initializeTestEnvironment();
+  runReflectiveTests(PubSummaryManagerTest);
+}
+
+@reflectiveTest
+class PubSummaryManagerTest extends AbstractContextTest {
+  PubSummaryManager manager;
+
+  void setUp() {
+    super.setUp();
+    manager = new PubSummaryManager(resourceProvider, sdk);
+  }
+
+  test_getUnlinkedBundles() async {
+    // Create package files.
+    String cachePath = '/home/.pub-cache/hosted/pub.dartlang.org';
+    resourceProvider.newFile(
+        '$cachePath/aaa/lib/a.dart',
+        '''
+class A {}
+''');
+    resourceProvider.newFile(
+        '$cachePath/aaa/lib/src/a2.dart',
+        '''
+class A2 {}
+''');
+    resourceProvider.newFile(
+        '$cachePath/bbb/lib/b.dart',
+        '''
+class B {}
+''');
+
+    // Configure packages resolution.
+    Folder libFolderA = resourceProvider.newFolder('$cachePath/aaa/lib');
+    Folder libFolderB = resourceProvider.newFolder('$cachePath/bbb/lib');
+    context.sourceFactory = new SourceFactory(<UriResolver>[
+      sdkResolver,
+      resourceResolver,
+      new PackageMapUriResolver(resourceProvider, {
+        'aaa': [libFolderA],
+        'bbb': [libFolderB],
+      })
+    ]);
+
+    // No unlinked bundles yet.
+    {
+      Map<String, PackageBundle> bundles = manager.getUnlinkedBundles(context);
+      expect(bundles, isEmpty);
+    }
+
+    // The requested unlinked bundles must be available after the wait.
+    await manager.onUnlinkedComplete;
+    {
+      Map<String, PackageBundle> bundles = manager.getUnlinkedBundles(context);
+      expect(bundles, hasLength(2));
+      {
+        PackageBundle bundle = bundles['aaa'];
+        expect(bundle.linkedLibraryUris, isEmpty);
+        expect(bundle.unlinkedUnitUris,
+            ['package:aaa/a.dart', 'package:aaa/src/a2.dart']);
+        expect(bundle.unlinkedUnits, hasLength(2));
+        expect(bundle.unlinkedUnits[0].classes.map((c) => c.name), ['A']);
+        expect(bundle.unlinkedUnits[1].classes.map((c) => c.name), ['A2']);
+      }
+      {
+        PackageBundle bundle = bundles['bbb'];
+        expect(bundle.linkedLibraryUris, isEmpty);
+        expect(bundle.unlinkedUnitUris, ['package:bbb/b.dart']);
+        expect(bundle.unlinkedUnits, hasLength(1));
+        expect(bundle.unlinkedUnits[0].classes.map((c) => c.name), ['B']);
+      }
+    }
+
+    // The files must be created.
+    File fileA = libFolderA.parent.getChildAssumingFile('unlinked.ds');
+    File fileB = libFolderB.parent.getChildAssumingFile('unlinked.ds');
+    expect(fileA.exists, isTrue);
+    expect(fileB.exists, isTrue);
+  }
+
+  test_getUnlinkedBundles_nullPackageMap() async {
+    context.sourceFactory =
+        new SourceFactory(<UriResolver>[sdkResolver, resourceResolver]);
+    Map<String, PackageBundle> bundles = manager.getUnlinkedBundles(context);
+    expect(bundles, isEmpty);
+  }
+
+  test_isPathInPubCache_posix() {
+    expect(
+        PubSummaryManager.isPathInPubCache(pathos.posix,
+            '/home/.pub-cache/hosted/pub.dartlang.org/foo/lib/bar.dart'),
+        isTrue);
+    expect(
+        PubSummaryManager.isPathInPubCache(
+            pathos.posix, '/home/.pub-cache/foo/lib/bar.dart'),
+        isTrue);
+    expect(
+        PubSummaryManager.isPathInPubCache(
+            pathos.posix, '/home/sources/dart/foo/lib/bar.dart'),
+        isFalse);
+  }
+
+  test_isPathInPubCache_windows() {
+    expect(
+        PubSummaryManager.isPathInPubCache(pathos.windows,
+            r'C:\Users\user\Setters\Pub\Cache\hosted\foo\lib\bar.dart'),
+        isTrue);
+    expect(
+        PubSummaryManager.isPathInPubCache(
+            pathos.windows, r'C:\Users\user\Sources\Dart\foo\lib\bar.dart'),
+        isFalse);
+  }
+}