Add AnalysisSession to analyzer

pkg/analyzer/test/src/dart/analysis/session_test.dart

+// Copyright (c) 2017, 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 'package:analyzer/dart/analysis/session.dart';
+import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/src/dart/analysis/driver.dart';
+import 'package:analyzer/src/dart/analysis/session.dart';
+import 'package:analyzer/src/dart/analysis/top_level_declaration.dart';
+import 'package:analyzer/src/dart/element/element.dart';
+import 'package:analyzer/src/dart/element/type.dart';
+import 'package:analyzer/src/generated/engine.dart'
+    show AnalysisOptions, AnalysisOptionsImpl;
+import 'package:analyzer/src/generated/source.dart';
+import 'package:test/test.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(DriverBasedAnalysisSessionTest);
+  });
+}
+
+@reflectiveTest
+class DriverBasedAnalysisSessionTest {
+  MockAnalysisDriver driver;
+  DriverBasedAnalysisSession session;
+
+  void setUp() {
+    driver = new MockAnalysisDriver();
+    session = new DriverBasedAnalysisSession(driver);
+    driver.currentSession = session;
+  }
+
+  test_getErrors() async {
+    ErrorsResult result = new ErrorsResult(null, null, null, null, null);
+    driver.errorsResult = result;
+    expect(await session.getErrors('path'), result);
+  }
+
+  test_getLibraryByUri() async {
+    String uri = 'uri';
+    LibraryElement element = new LibraryElementImpl(null, null, null, null);
+    driver.libraryMap[uri] = element;
+    expect(await session.getLibraryByUri(uri), element);
+  }
+
+  test_getParsedAst() async {
+    ParseResult result =
+        new ParseResult(null, null, null, null, null, null, null);
+    driver.parseResult = result;
+    expect(await session.getParsedAst('path'), result);
+  }
+
+  test_getResolvedAst() async {
+    AnalysisResult result = new AnalysisResult(
+        driver, null, null, null, null, null, null, null, null, null, null);
+    driver.result = result;
+    expect(await session.getResolvedAst('path'), result);
+  }
+
+  test_getSourceKind() async {
+    SourceKind kind = SourceKind.LIBRARY;
+    driver.sourceKind = kind;
+    expect(await session.getSourceKind('path'), kind);
+  }
+
+  test_getTopLevelDeclarations() async {
+    List<TopLevelDeclarationInSource> declarations = [];
+    driver.topLevelDeclarations = declarations;
+    expect(await session.getTopLevelDeclarations('path'), declarations);
+  }
+
+  test_getUnitElement() async {
+    UnitElementResult result =
+        new UnitElementResult(null, null, null, null, null);
+    driver.unitElementResult = result;
+    expect(await session.getUnitElement('path'), result);
+  }
+
+  test_getUnitElementSignature() async {
+    String signature = 'xyzzy';
+    driver.unitElementSignature = signature;
+    expect(await session.getUnitElementSignature('path'), signature);
+  }
+
+  test_typeProvider() async {
+    _initializeSDK();
+    expect(await session.typeProvider, isNotNull);
+  }
+
+  test_typeSystem() async {
+    _initializeSDK();
+    expect(await session.typeSystem, isNotNull);
+  }
+
+  void _initializeSDK() {
+    CompilationUnitElementImpl newUnit(String name) {
+      CompilationUnitElementImpl unit = new CompilationUnitElementImpl(name);
+      unit.accessors = [];
+      unit.enums = [];
+      unit.functions = [];
+      unit.typeAliases = [];
+      return unit;
+    }
+
+    ClassElementImpl newClass(String name) {
+      TypeParameterElementImpl param = new TypeParameterElementImpl('E', 0);
+      param.type = new TypeParameterTypeImpl(param);
+      ClassElementImpl element = new ClassElementImpl(name, 0);
+      element.typeParameters = [param];
+      return element;
+    }
+
+    {
+      CompilationUnitElementImpl coreUnit = newUnit('dart.core');
+      coreUnit.types = <ClassElement>[newClass('Iterable')];
+      LibraryElementImpl core = new LibraryElementImpl(null, null, null, null);
+      core.definingCompilationUnit = coreUnit;
+      driver.libraryMap['dart:core'] = core;
+    }
+    {
+      CompilationUnitElementImpl asyncUnit = newUnit('dart.async');
+      asyncUnit.types = <ClassElement>[
+        newClass('Future'),
+        newClass('FutureOr'),
+        newClass('Stream')
+      ];
+      LibraryElementImpl async = new LibraryElementImpl(null, null, null, null);
+      async.definingCompilationUnit = asyncUnit;
+      driver.libraryMap['dart:async'] = async;
+    }
+  }
+}
+
+class MockAnalysisDriver implements AnalysisDriver {
+  @override
+  AnalysisSession currentSession;
+
+  ErrorsResult errorsResult;
+  Map<String, LibraryElement> libraryMap = <String, LibraryElement>{};
+  ParseResult parseResult;
+  AnalysisResult result;
+  SourceKind sourceKind;
+  List<TopLevelDeclarationInSource> topLevelDeclarations;
+  UnitElementResult unitElementResult;
+  String unitElementSignature;
+
+  AnalysisOptions get analysisOptions => new AnalysisOptionsImpl();
+
+  @override
+  Future<ErrorsResult> getErrors(String path) async {
+    return errorsResult;
+  }
+
+  @override
+  Future<LibraryElement> getLibraryByUri(String uri) async {
+    return libraryMap[uri];
+  }
+
+  @override
+  Future<AnalysisResult> getResult(String path) async {
+    return result;
+  }
+
+  @override
+  Future<SourceKind> getSourceKind(String path) async {
+    return sourceKind;
+  }
+
+  @override
+  Future<List<TopLevelDeclarationInSource>> getTopLevelNameDeclarations(
+      String name) async {
+    return topLevelDeclarations;
+  }
+
+  @override
+  Future<UnitElementResult> getUnitElement(String path) async {
+    return unitElementResult;
+  }
+
+  @override
+  Future<String> getUnitElementSignature(String path) async {
+    return unitElementSignature;
+  }
+
+  @override
+  dynamic noSuchMethod(Invocation invocation) {
+    fail('Unexpected invocation of ${invocation.memberName}');
+    return null;
+  }
+
+  @override
+  Future<ParseResult> parseFile(String path) async {
+    return parseResult;
+  }
+}