Correctly use sdk passed on command-line

pkg/analysis_server/test/integration/analysis/get_errors_nonStandard_sdk.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.
+
+library test.integration.analysis.get.errors;
+
+import 'dart:async';
+import 'dart:io';
+
+import 'package:analysis_server/plugin/protocol/protocol.dart';
+import 'package:analyzer/file_system/physical_file_system.dart';
+import 'package:analyzer/src/dart/sdk/sdk.dart';
+import 'package:analyzer/src/generated/sdk.dart';
+import 'package:path/path.dart' as path;
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+import 'package:unittest/unittest.dart';
+
+import '../../mock_sdk.dart';
+import '../../utils.dart';
+import '../integration_tests.dart';
+
+main() {
+  initializeTestEnvironment();
+  defineReflectiveTests(AnalysisDomainGetErrorsTest);
+}
+
+/**
+ * Base class for testing the "analysis.getErrors" request.

[scheglov, 2016/08/24 18:37:20]

The comment seems out of sync with the tests.

[Brian Wilkerson, 2016/08/24 19:38:12]

Done, thanks.

+ */
+@reflectiveTest
+class AnalysisDomainGetErrorsTest
+    extends AbstractAnalysisServerIntegrationTest {
+  AnalysisDomainGetErrorsTest();
+
+  String createNonStandardSdk() {
+    MockSdkLibrary fakeLibrary =
+        new MockSdkLibrary('dart:fake', '/lib/fake/fake.dart', '');
+    String sdkPath = path.join(sourceDirectory.path, 'sdk');
+    StringBuffer librariesContent = new StringBuffer();
+    librariesContent.writeln(
+        'final Map<String, LibraryInfo> LIBRARIES = const <String, LibraryInfo> {');
+    MockSdk.LIBRARIES.toList()
+      ..add(fakeLibrary)
+      ..forEach((SdkLibrary library) {
+        List<String> components = path.posix.split(library.path);
+        components[0] = sdkPath;
+        String libraryPath = path.joinAll(components);
+        new Directory(path.dirname(libraryPath)).createSync(recursive: true);
+        new File(libraryPath)
+            .writeAsStringSync((library as MockSdkLibrary).content);
+
+        String relativePath = path.joinAll(components.sublist(2));
+        librariesContent.write('"');
+        librariesContent
+            .write(library.shortName.substring(5)); // Remove the 'dart:' prefix
+        librariesContent.write('": const LibraryInfo("');
+        librariesContent.write(relativePath);
+        librariesContent.writeln('"),');
+      });
+    librariesContent.writeln('};');
+
+    String librariesPath = path.joinAll([
+      sdkPath,
+      'lib',
+      '_internal',
+      'sdk_library_metadata',
+      'lib',
+      'libraries.dart'
+    ]);
+    new Directory(path.dirname(librariesPath)).createSync(recursive: true);
+    new File(librariesPath).writeAsStringSync(librariesContent.toString());
+
+    return sdkPath;
+  }
+
+  @override
+  Future startServer({int servicesPort, bool checked: true}) {
+    String sdkPath = createNonStandardSdk();
+    return server.start(
+        servicesPort: servicesPort, checked: checked, sdkPath: sdkPath);
+  }
+
+  Future test_getErrors() async {
+    String pathname = sourcePath('test.dart');
+    String text = r'''
+import 'dart:core';
+import 'dart:fake';
+''';
+    writeFile(pathname, text);
+    standardAnalysisSetup();
+    await analysisFinished;
+    List<AnalysisError> errors = currentAnalysisErrors[pathname];
+    expect(errors, hasLength(1));
+    expect(errors[0].code, 'unused_import');
+  }
+}