SDK implementations based on file_system rather than java_io

pkg/analyzer/test/src/dart/sdk/sdk_test.dart

+// Copyright (c) 2014, 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.
+
+library analyzer.test.generated.sdk_test;
+
+import 'package:analyzer/file_system/file_system.dart';
+import 'package:analyzer/file_system/memory_file_system.dart';
+import 'package:analyzer/source/embedder.dart' show EmbedderYamlLocator;
+import 'package:analyzer/src/dart/sdk/sdk.dart';
+import 'package:analyzer/src/generated/engine.dart';
+import 'package:analyzer/src/generated/sdk.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:unittest/unittest.dart';
+
+import '../../../generated/test_support.dart';
+import '../../../reflective_tests.dart';
+import '../../../resource_utils.dart';
+import '../../../source/embedder_test.dart';
+import '../../../utils.dart';
+
+main() {
+  initializeTestEnvironment();
+  runReflectiveTests(EmbedderSdkTest);
+  runReflectiveTests(FolderBasedDartSdkTest);
+  runReflectiveTests(SDKLibrariesReaderTest);
+}
+
+@reflectiveTest
+class EmbedderSdkTest extends EmbedderRelatedTest {
+  void test_creation() {
+    EmbedderYamlLocator locator = new EmbedderYamlLocator({
+      'fox': [pathTranslator.getResource('/tmp')]
+    });
+    EmbedderSdk sdk = new EmbedderSdk(resourceProvider, locator.embedderYamls);
+
+    expect(sdk.urlMappings, hasLength(5));
+  }
+
+  void test_fromFileUri() {
+    EmbedderYamlLocator locator = new EmbedderYamlLocator({
+      'fox': [pathTranslator.getResource('/tmp')]
+    });
+    EmbedderSdk sdk = new EmbedderSdk(resourceProvider, locator.embedderYamls);
+
+    expectSource(String posixPath, String dartUri) {
+      Uri uri = Uri.parse(posixToOSFileUri(posixPath));
+      Source source = sdk.fromFileUri(uri);
+      expect(source, isNotNull, reason: posixPath);
+      expect(source.uri.toString(), dartUri);
+      expect(source.fullName, posixToOSPath(posixPath));
+    }
+
+    expectSource('/tmp/slippy.dart', 'dart:fox');
+    expectSource('/tmp/deep/directory/file.dart', 'dart:deep');
+    expectSource('/tmp/deep/directory/part.dart', 'dart:deep/part.dart');
+  }
+
+  void test_getSdkLibrary() {
+    EmbedderYamlLocator locator = new EmbedderYamlLocator({
+      'fox': [pathTranslator.getResource('/tmp')]
+    });
+    EmbedderSdk sdk = new EmbedderSdk(resourceProvider, locator.embedderYamls);
+
+    SdkLibrary lib = sdk.getSdkLibrary('dart:fox');
+    expect(lib, isNotNull);
+    expect(lib.path, posixToOSPath('/tmp/slippy.dart'));
+    expect(lib.shortName, 'dart:fox');
+  }
+
+  void test_mapDartUri() {
+    EmbedderYamlLocator locator = new EmbedderYamlLocator({
+      'fox': [pathTranslator.getResource('/tmp')]
+    });
+    EmbedderSdk sdk = new EmbedderSdk(resourceProvider, locator.embedderYamls);
+
+    void expectSource(String dartUri, String posixPath) {
+      Source source = sdk.mapDartUri(dartUri);
+      expect(source, isNotNull, reason: posixPath);
+      expect(source.uri.toString(), dartUri);
+      expect(source.fullName, posixToOSPath(posixPath));
+    }
+
+    expectSource('dart:core', '/tmp/core.dart');
+    expectSource('dart:fox', '/tmp/slippy.dart');
+    expectSource('dart:deep', '/tmp/deep/directory/file.dart');
+    expectSource('dart:deep/part.dart', '/tmp/deep/directory/part.dart');
+  }
+}
+
+@reflectiveTest
+class FolderBasedDartSdkTest {
+  /**
+   * The resource provider used by these tests.
+   */
+  MemoryResourceProvider resourceProvider;
+
+//  void test_getDocFileFor() {
+//    FolderBasedDartSdk sdk = _createDartSdk();
+//    File docFile = sdk.getDocFileFor("html");
+//    expect(docFile, isNotNull);
+//  }
+
+  void test_analysisOptions_afterContextCreation() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    sdk.context;
+    expect(() {
+      sdk.analysisOptions = new AnalysisOptionsImpl();
+    }, throwsStateError);
+  }
+
+  void test_analysisOptions_beforeContextCreation() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    sdk.analysisOptions = new AnalysisOptionsImpl();
+    sdk.context;
+    // cannot change "analysisOptions" in the context
+    expect(() {
+      sdk.context.analysisOptions = new AnalysisOptionsImpl();
+    }, throwsStateError);
+  }
+
+  void test_creation() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    expect(sdk, isNotNull);
+  }
+
+  void test_fromFile_invalid() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    expect(
+        sdk.fromFileUri(
+            resourceProvider.getFile("/not/in/the/sdk.dart").toUri()),
+        isNull);
+  }
+
+  void test_fromFile_library() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    Source source = sdk.fromFileUri(sdk.libraryDirectory
+        .getChildAssumingFolder("core")
+        .getChildAssumingFile("core.dart")
+        .toUri());
+    expect(source, isNotNull);
+    expect(source.isInSystemLibrary, isTrue);
+    expect(source.uri.toString(), "dart:core");
+  }
+
+  void test_fromFile_library_firstExact() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    Folder dirHtml = sdk.libraryDirectory.getChildAssumingFolder("html");
+    Folder dirDartium = dirHtml.getChildAssumingFolder("dartium");
+    File file = dirDartium.getChildAssumingFile("html_dartium.dart");
+    Source source = sdk.fromFileUri(file.toUri());
+    expect(source, isNotNull);
+    expect(source.isInSystemLibrary, isTrue);
+    expect(source.uri.toString(), "dart:html");
+  }
+
+  void test_fromFile_library_html_common_dart2js() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    Folder dirHtml = sdk.libraryDirectory.getChildAssumingFolder("html");
+    Folder dirCommon = dirHtml.getChildAssumingFolder("html_common");
+    File file = dirCommon.getChildAssumingFile("html_common_dart2js.dart");
+    Source source = sdk.fromFileUri(file.toUri());
+    expect(source, isNotNull);
+    expect(source.isInSystemLibrary, isTrue);
+    expect(source.uri.toString(), "dart:html_common/html_common_dart2js.dart");
+  }
+
+  void test_fromFile_part() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    Source source = sdk.fromFileUri(sdk.libraryDirectory
+        .getChildAssumingFolder("core")
+        .getChildAssumingFile("num.dart")
+        .toUri());
+    expect(source, isNotNull);
+    expect(source.isInSystemLibrary, isTrue);
+    expect(source.uri.toString(), "dart:core/num.dart");
+  }
+
+//  void test_dart2JsExecutable() {
+//    FolderBasedDartSdk sdk = _createDartSdk();
+//    File executable = sdk.dart2JsExecutable;
+//    expect(executable, isNotNull);
+//    expect(executable.exists, isTrue);
+////    expect(executable.isExecutable(), isTrue);
+//  }
+
+  void test_getDirectory() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    Folder directory = sdk.directory;
+    expect(directory, isNotNull);
+    expect(directory.exists, isTrue);
+  }
+
+  void test_getDocDirectory() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    Folder directory = sdk.docDirectory;
+    expect(directory, isNotNull);
+  }
+
+  void test_getLibraryDirectory() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    Folder directory = sdk.libraryDirectory;
+    expect(directory, isNotNull);
+    expect(directory.exists, isTrue);
+  }
+
+  void test_getPubExecutable() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    File executable = sdk.pubExecutable;
+    expect(executable, isNotNull);
+    expect(executable.exists, isTrue);
+//    expect(executable.isExecutable(), isTrue);
+  }
+
+  void test_getSdkVersion() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    String version = sdk.sdkVersion;
+    expect(version, isNotNull);
+    expect(version.length > 0, isTrue);
+  }
+
+//  void test_vmExecutable() {
+//    FolderBasedDartSdk sdk = _createDartSdk();
+//    File executable = sdk.vmExecutable;
+//    expect(executable, isNotNull);
+//    expect(executable.exists, isTrue);
+////    expect(executable.isExecutable(), isTrue);
+//  }
+
+  void test_useSummary_afterContextCreation() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    sdk.context;
+    expect(() {
+      sdk.useSummary = true;
+    }, throwsStateError);
+  }
+
+  void test_useSummary_beforeContextCreation() {
+    FolderBasedDartSdk sdk = _createDartSdk();
+    sdk.useSummary = true;
+    sdk.context;
+  }
+
+  FolderBasedDartSdk _createDartSdk() {
+    resourceProvider = new MemoryResourceProvider();
+    Folder sdkDirectory = resourceProvider.getFolder('/sdk');
+    _createFile(sdkDirectory,
+        ['lib', '_internal', 'sdk_library_metadata', 'lib', 'libraries.dart'],
+        content: _librariesFileContent());
+    _createFile(sdkDirectory, ['bin', 'dart']);
+    _createFile(sdkDirectory, ['bin', 'dart2js']);
+    _createFile(sdkDirectory, ['bin', 'pub']);
+    _createFile(sdkDirectory, ['lib', 'async', 'async.dart']);
+    _createFile(sdkDirectory, ['lib', 'core', 'core.dart']);
+    _createFile(sdkDirectory, ['lib', 'core', 'num.dart']);
+    _createFile(sdkDirectory,
+        ['lib', 'html', 'html_common', 'html_common_dart2js.dart']);
+    _createFile(sdkDirectory, ['lib', 'html', 'dartium', 'html_dartium.dart']);
+    return new FolderBasedDartSdk(resourceProvider, sdkDirectory);
+  }
+
+  void _createFile(Folder directory, List<String> segments,
+      {String content: ''}) {
+    Folder parent = directory;
+    int last = segments.length - 1;
+    for (int i = 0; i < last; i++) {
+      parent = parent.getChildAssumingFolder(segments[i]);
+    }
+    File file = parent.getChildAssumingFile(segments[last]);
+    resourceProvider.newFile(file.path, content);
+  }
+
+  String _librariesFileContent() => '''
+final Map<String, LibraryInfo> LIBRARIES = const <String, LibraryInfo> {
+  "async": const LibraryInfo(
+      "async/async.dart",
+      categories: "Client,Server",
+      maturity: Maturity.STABLE,
+      dart2jsPatchPath: "_internal/js_runtime/lib/async_patch.dart"),
+
+  "core": const LibraryInfo(
+      "core/core.dart",
+      categories: "Client,Server,Embedded",
+      maturity: Maturity.STABLE,
+      dart2jsPatchPath: "_internal/js_runtime/lib/core_patch.dart"),
+
+  "html": const LibraryInfo(
+      "html/dartium/html_dartium.dart",
+      categories: "Client",
+      maturity: Maturity.WEB_STABLE,
+      dart2jsPath: "html/dart2js/html_dart2js.dart"),
+
+  "html_common": const LibraryInfo(
+      "html/html_common/html_common.dart",
+      categories: "Client",
+      maturity: Maturity.WEB_STABLE,
+      dart2jsPath: "html/html_common/html_common_dart2js.dart",
+      documented: false,
+      implementation: true),
+};
+''';
+}
+
+@reflectiveTest
+class SDKLibrariesReaderTest extends EngineTestCase {
+  /**
+   * The resource provider used by these tests.
+   */
+  MemoryResourceProvider resourceProvider;
+
+  @override
+  void setUp() {
+    resourceProvider = new MemoryResourceProvider();
+  }
+
+  void test_readFrom_dart2js() {
+    LibraryMap libraryMap = new SdkLibrariesReader(true).readFromFile(
+        resourceProvider.getFile("/libs.dart"),
+        r'''
+final Map<String, LibraryInfo> LIBRARIES = const <String, LibraryInfo> {
+  'first' : const LibraryInfo(
+    'first/first.dart',
+    categories: 'Client',
+    documented: true,
+    platforms: VM_PLATFORM,
+    dart2jsPath: 'first/first_dart2js.dart'),
+};''');
+    expect(libraryMap, isNotNull);
+    expect(libraryMap.size(), 1);
+    SdkLibrary first = libraryMap.getLibrary("dart:first");
+    expect(first, isNotNull);
+    expect(first.category, "Client");
+    expect(first.path, "first/first_dart2js.dart");
+    expect(first.shortName, "dart:first");
+    expect(first.isDart2JsLibrary, false);
+    expect(first.isDocumented, true);
+    expect(first.isImplementation, false);
+    expect(first.isVmLibrary, true);
+  }
+
+  void test_readFrom_empty() {
+    LibraryMap libraryMap = new SdkLibrariesReader(false)
+        .readFromFile(resourceProvider.getFile("/libs.dart"), "");
+    expect(libraryMap, isNotNull);
+    expect(libraryMap.size(), 0);
+  }
+
+  void test_readFrom_normal() {
+    LibraryMap libraryMap = new SdkLibrariesReader(false).readFromFile(
+        resourceProvider.getFile("/libs.dart"),
+        r'''
+final Map<String, LibraryInfo> LIBRARIES = const <String, LibraryInfo> {
+  'first' : const LibraryInfo(
+    'first/first.dart',
+    categories: 'Client',
+    documented: true,
+    platforms: VM_PLATFORM),
+
+  'second' : const LibraryInfo(
+    'second/second.dart',
+    categories: 'Server',
+    documented: false,
+    implementation: true,
+    platforms: 0),
+};''');
+    expect(libraryMap, isNotNull);
+    expect(libraryMap.size(), 2);
+    SdkLibrary first = libraryMap.getLibrary("dart:first");
+    expect(first, isNotNull);
+    expect(first.category, "Client");
+    expect(first.path, "first/first.dart");
+    expect(first.shortName, "dart:first");
+    expect(first.isDart2JsLibrary, false);
+    expect(first.isDocumented, true);
+    expect(first.isImplementation, false);
+    expect(first.isVmLibrary, true);
+    SdkLibrary second = libraryMap.getLibrary("dart:second");
+    expect(second, isNotNull);
+    expect(second.category, "Server");
+    expect(second.path, "second/second.dart");
+    expect(second.shortName, "dart:second");
+    expect(second.isDart2JsLibrary, false);
+    expect(second.isDocumented, false);
+    expect(second.isImplementation, true);
+    expect(second.isVmLibrary, false);
+  }
+}