sdk/pkg/analysis_server/test/integration/analysis/update_content_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 test.integration.analysis.update.content;

import 'package:analysis_server/src/protocol.dart';
import 'package:unittest/unittest.dart';

import '../../reflective_tests.dart';
import '../integration_tests.dart';

main() {
  runReflectiveTests(Test);
}

@reflectiveTest
class Test extends AbstractAnalysisServerIntegrationTest {
  test_updateContent() {
    String pathname = sourcePath('test.dart');
    String goodText = r'''
main() {
  print("Hello, world!");
}''';
    String badText = goodText.replaceAll(';', '');
    writeFile(pathname, badText);
    standardAnalysisSetup();
    return analysisFinished.then((_) {
      // The contents on disk (badText) are missing a semicolon.
      expect(currentAnalysisErrors[pathname], isNotEmpty);
    }).then((_) => sendAnalysisUpdateContent({
      pathname: new AddContentOverlay(goodText)
    })).then((result) => analysisFinished).then((_) {
      // There should be no errors now because the contents on disk have been
      // overriden with goodText.
      expect(currentAnalysisErrors[pathname], isEmpty);
      return sendAnalysisUpdateContent({
        pathname: new ChangeContentOverlay(
            [new SourceEdit(goodText.indexOf(';'), 1, '')])
      });
    }).then((result) => analysisFinished).then((_) {
      // There should be errors now because we've removed the semicolon.
      expect(currentAnalysisErrors[pathname], isNotEmpty);
      return sendAnalysisUpdateContent({
        pathname: new ChangeContentOverlay(
            [new SourceEdit(goodText.indexOf(';'), 0, ';')])
      });
    }).then((result) => analysisFinished).then((_) {
      // There should be no errors now because we've added the semicolon back.
      expect(currentAnalysisErrors[pathname], isEmpty);
      return sendAnalysisUpdateContent({
        pathname: new RemoveContentOverlay()
      });
    }).then((result) => analysisFinished).then((_) {
      // Now there should be errors again, because the contents on disk are no
      // longer overridden.
      expect(currentAnalysisErrors[pathname], isNotEmpty);
    });
  }
}