// 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.analysis.get_errors;

import 'dart:async';

import 'package:analysis_server/src/domain_analysis.dart';
import 'package:analysis_server/src/protocol.dart';
import 'package:analyzer/file_system/file_system.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';
import 'package:unittest/unittest.dart';

import '../analysis_abstract.dart';
import '../utils.dart';

main() {
  initializeTestEnvironment();
  defineReflectiveTests(GetErrorsTest);
}

@reflectiveTest
class GetErrorsTest extends AbstractAnalysisTest {
  static const String requestId = 'test-getError';

  @override
  void setUp() {
    super.setUp();
    server.handlers = [new AnalysisDomainHandler(server),];
    createProject();
  }

  test_afterAnalysisComplete() {
    addTestFile('''
main() {
  print(42)
}
''');
    return waitForTasksFinished().then((_) {
      return _getErrors(testFile).then((List<AnalysisError> errors) {
        expect(errors, hasLength(1));
      });
    });
  }

  test_fileDoesNotExist() {
    String file = '$projectPath/doesNotExist.dart';
    return _checkInvalid(file);
  }

  test_fileWithoutContext() {
    String file = '/outside.dart';
    addFile(
        file,
        '''
main() {
  print(42);
}
''');
    return _checkInvalid(file);
  }

  test_hasErrors() {
    addTestFile('''
main() {
  print(42)
}
''');
    return _getErrors(testFile).then((List<AnalysisError> errors) {
      expect(errors, hasLength(1));
      {
        AnalysisError error = errors[0];
        expect(error.severity, AnalysisErrorSeverity.ERROR);
        expect(error.type, AnalysisErrorType.SYNTACTIC_ERROR);
        expect(error.location.file, testFile);
        expect(error.location.startLine, 2);
      }
    });
  }

  test_noErrors() {
    addTestFile('''
main() {
  print(42);
}
''');
    return _getErrors(testFile).then((List<AnalysisError> errors) {
      expect(errors, isEmpty);
    });
  }

  test_removeContextAfterRequest() {
    addTestFile('''
main() {
  print(42)
}
''');
    // handle the request synchronously
    Request request = _createGetErrorsRequest();
    server.handleRequest(request);
    // remove context, causes sending an "invalid file" error
    {
      Folder projectFolder = resourceProvider.getResource(projectPath);
      server.contextManager.callbacks.removeContext(projectFolder, <String>[]);
    }
    // wait for an error response
    return serverChannel.waitForResponse(request).then((Response response) {
      expect(response.error, isNotNull);
      expect(response.error.code, RequestErrorCode.GET_ERRORS_INVALID_FILE);
    });
  }

  Future _checkInvalid(String file) {
    Request request = _createGetErrorsRequest();
    return serverChannel.sendRequest(request).then((Response response) {
      expect(response.error, isNotNull);
      expect(response.error.code, RequestErrorCode.GET_ERRORS_INVALID_FILE);
    });
  }

  Request _createGetErrorsRequest() {
    return new AnalysisGetErrorsParams(testFile).toRequest(requestId);
  }

  Future<List<AnalysisError>> _getErrors(String file) {
    Request request = _createGetErrorsRequest();
    return serverChannel.sendRequest(request).then((Response response) {
      return new AnalysisGetErrorsResult.fromResponse(response).errors;
    });
  }
}