pkg/analyzer_plugin/test/integration/support/integration_test_methods.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.
//
// This file has been automatically generated. Please do not edit it manually.
// To regenerate the file, use the script
// "pkg/analysis_server/tool/spec/generate_files".

/// Convenience methods for running integration tests.
import 'dart:async';

import 'package:analyzer_plugin/protocol/protocol_common.dart';
import 'package:analyzer_plugin/protocol/protocol_generated.dart';
import 'package:analyzer_plugin/src/protocol/protocol_internal.dart';
import 'package:test/test.dart';

import 'integration_tests.dart';
import 'protocol_matchers.dart';

/// Convenience methods for running integration tests.
abstract class IntegrationTestMixin {
  Server get server;

  /// Used to request that the plugin perform a version check to confirm that
  /// it works with the version of the analysis server that is executing it.
  ///
  /// Parameters
  ///
  /// byteStorePath: FilePath
  ///
  ///   The path to the directory containing the on-disk byte store that is to
  ///   be used by any analysis drivers that are created.
  ///
  /// sdkPath: FilePath
  ///
  ///   The path to the directory containing the SDK that is to be used by any
  ///   analysis drivers that are created.
  ///
  /// version: String
  ///
  ///   The version number of the plugin spec supported by the analysis server
  ///   that is executing the plugin.
  ///
  /// Returns
  ///
  /// isCompatible: bool
  ///
  ///   A flag indicating whether the plugin supports the same version of the
  ///   plugin spec as the analysis server. If the value is false, then the
  ///   plugin is expected to shutdown after returning the response.
  ///
  /// name: String
  ///
  ///   The name of the plugin. This value is only used when the server needs
  ///   to identify the plugin, either to the user or for debugging purposes.
  ///
  /// version: String
  ///
  ///   The version of the plugin. This value is only used when the server
  ///   needs to identify the plugin, either to the user or for debugging
  ///   purposes.
  ///
  /// contactInfo: String (optional)
  ///
  ///   Information that the user can use to use to contact the maintainers of
  ///   the plugin when there is a problem.
  ///
  /// interestingFiles: List<String>
  ///
  ///   The glob patterns of the files for which the plugin will provide
  ///   information. This value is ignored if the isCompatible field is false.
  ///   Otherwise, it will be used to identify the files for which the plugin
  ///   should be notified of changes.
  Future<PluginVersionCheckResult> sendPluginVersionCheck(
      String byteStorePath, String sdkPath, String version) async {
    var params =
        PluginVersionCheckParams(byteStorePath, sdkPath, version).toJson();
    var result = await server.send('plugin.versionCheck', params);
    var decoder = ResponseDecoder(null);
    return PluginVersionCheckResult.fromJson(decoder, 'result', result);
  }

  /// Used to request that the plugin exit. The server will not send any other
  /// requests after this request. The plugin should not send any responses or
  /// notifications after sending the response to this request.
  Future sendPluginShutdown() async {
    var result = await server.send('plugin.shutdown', null);
    outOfTestExpect(result, isNull);
    return null;
  }

  /// Used to report that an unexpected error has occurred while executing the
  /// plugin. This notification is not used for problems with specific requests
  /// (which should be returned as part of the response) but is used for
  /// exceptions that occur while performing other tasks, such as analysis or
  /// preparing notifications.
  ///
  /// Parameters
  ///
  /// isFatal: bool
  ///
  ///   A flag indicating whether the error is a fatal error, meaning that the
  ///   plugin will shutdown automatically after sending this notification. If
  ///   true, the server will not expect any other responses or notifications
  ///   from the plugin.
  ///
  /// message: String
  ///
  ///   The error message indicating what kind of error was encountered.
  ///
  /// stackTrace: String
  ///
  ///   The stack trace associated with the generation of the error, used for
  ///   debugging the plugin.
  late Stream<PluginErrorParams> onPluginError;

  /// Stream controller for [onPluginError].
  late StreamController<PluginErrorParams> _onPluginError;

  /// Return the navigation information associated with the given region of the
  /// given file. If the navigation information for the given file has not yet
  /// been computed, or the most recently computed navigation information for
  /// the given file is out of date, then the response for this request will be
  /// delayed until it has been computed. If the content of the file changes
  /// after this request was received but before a response could be sent, then
  /// an error of type CONTENT_MODIFIED will be generated.
  ///
  /// If a navigation region overlaps (but extends either before or after) the
  /// given region of the file it will be included in the result. This means
  /// that it is theoretically possible to get the same navigation region in
  /// response to multiple requests. Clients can avoid this by always choosing
  /// a region that starts at the beginning of a line and ends at the end of a
  /// (possibly different) line in the file.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file in which navigation information is being requested.
  ///
  /// offset: int
  ///
  ///   The offset of the region for which navigation information is being
  ///   requested.
  ///
  /// length: int
  ///
  ///   The length of the region for which navigation information is being
  ///   requested.
  ///
  /// Returns
  ///
  /// files: List<FilePath>
  ///
  ///   A list of the paths of files that are referenced by the navigation
  ///   targets.
  ///
  /// targets: List<NavigationTarget>
  ///
  ///   A list of the navigation targets that are referenced by the navigation
  ///   regions.
  ///
  /// regions: List<NavigationRegion>
  ///
  ///   A list of the navigation regions within the requested region of the
  ///   file.
  Future<AnalysisGetNavigationResult> sendAnalysisGetNavigation(
      String file, int offset, int length) async {
    var params = AnalysisGetNavigationParams(file, offset, length).toJson();
    var result = await server.send('analysis.getNavigation', params);
    var decoder = ResponseDecoder(null);
    return AnalysisGetNavigationResult.fromJson(decoder, 'result', result);
  }

  /// Used to inform the plugin of changes to files in the file system. Only
  /// events associated with files that match the interestingFiles glob
  /// patterns will be forwarded to the plugin.
  ///
  /// Parameters
  ///
  /// events: List<WatchEvent>
  ///
  ///   The watch events that the plugin should handle.
  Future sendAnalysisHandleWatchEvents(List<WatchEvent> events) async {
    var params = AnalysisHandleWatchEventsParams(events).toJson();
    var result = await server.send('analysis.handleWatchEvents', params);
    outOfTestExpect(result, isNull);
    return null;
  }

  /// Set the list of context roots that should be analyzed.
  ///
  /// Parameters
  ///
  /// roots: List<ContextRoot>
  ///
  ///   A list of the context roots that should be analyzed.
  Future sendAnalysisSetContextRoots(List<ContextRoot> roots) async {
    var params = AnalysisSetContextRootsParams(roots).toJson();
    var result = await server.send('analysis.setContextRoots', params);
    outOfTestExpect(result, isNull);
    return null;
  }

  /// Used to set the priority files to the files in the given list. A priority
  /// file is a file that should be given priority when scheduling which
  /// analysis work to do first. The list typically contains those files that
  /// are visible to the user and those for which analysis results will have
  /// the biggest impact on the user experience. The order of the files within
  /// the list is significant: the first file will be given higher priority
  /// than the second, the second higher priority than the third, and so on.
  ///
  /// Parameters
  ///
  /// files: List<FilePath>
  ///
  ///   The files that are to be a priority for analysis.
  Future sendAnalysisSetPriorityFiles(List<String> files) async {
    var params = AnalysisSetPriorityFilesParams(files).toJson();
    var result = await server.send('analysis.setPriorityFiles', params);
    outOfTestExpect(result, isNull);
    return null;
  }

  /// Used to subscribe for services that are specific to individual files. All
  /// previous subscriptions should be replaced by the current set of
  /// subscriptions. If a given service is not included as a key in the map
  /// then no files should be subscribed to the service, exactly as if the
  /// service had been included in the map with an explicit empty list of
  /// files.
  ///
  /// Parameters
  ///
  /// subscriptions: Map<AnalysisService, List<FilePath>>
  ///
  ///   A table mapping services to a list of the files being subscribed to the
  ///   service.
  Future sendAnalysisSetSubscriptions(
      Map<AnalysisService, List<String>> subscriptions) async {
    var params = AnalysisSetSubscriptionsParams(subscriptions).toJson();
    var result = await server.send('analysis.setSubscriptions', params);
    outOfTestExpect(result, isNull);
    return null;
  }

  /// Used to update the content of one or more files. Files that were
  /// previously updated but not included in this update remain unchanged. This
  /// effectively represents an overlay of the filesystem. The files whose
  /// content is overridden are therefore seen by the plugin as being files
  /// with the given content, even if the files do not exist on the filesystem
  /// or if the file path represents the path to a directory on the filesystem.
  ///
  /// Parameters
  ///
  /// files: Map<FilePath, AddContentOverlay | ChangeContentOverlay |
  /// RemoveContentOverlay>
  ///
  ///   A table mapping the files whose content has changed to a description of
  ///   the content change.
  Future sendAnalysisUpdateContent(Map<String, Object> files) async {
    var params = AnalysisUpdateContentParams(files).toJson();
    var result = await server.send('analysis.updateContent', params);
    outOfTestExpect(result, isNull);
    return null;
  }

  /// Used to report the errors associated with a given file. The set of errors
  /// included in the notification is always a complete list that supersedes
  /// any previously reported errors.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file containing the errors.
  ///
  /// errors: List<AnalysisError>
  ///
  ///   The errors contained in the file.
  late Stream<AnalysisErrorsParams> onAnalysisErrors;

  /// Stream controller for [onAnalysisErrors].
  late StreamController<AnalysisErrorsParams> _onAnalysisErrors;

  /// Used to report the folding regions associated with a given file. Folding
  /// regions can be nested, but cannot be overlapping. Nesting occurs when a
  /// foldable element, such as a method, is nested inside another foldable
  /// element such as a class.
  ///
  /// Folding regions that overlap a folding region computed by the server, or
  /// by one of the other plugins that are currently running, might be dropped
  /// by the server in order to present a consistent view to the client.
  ///
  /// This notification should only be sent if the server has subscribed to it
  /// by including the value "FOLDING" in the list of services passed in an
  /// analysis.setSubscriptions request.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file containing the folding regions.
  ///
  /// regions: List<FoldingRegion>
  ///
  ///   The folding regions contained in the file.
  late Stream<AnalysisFoldingParams> onAnalysisFolding;

  /// Stream controller for [onAnalysisFolding].
  late StreamController<AnalysisFoldingParams> _onAnalysisFolding;

  /// Used to report the highlight regions associated with a given file. Each
  /// highlight region represents a particular syntactic or semantic meaning
  /// associated with some range. Note that the highlight regions that are
  /// returned can overlap other highlight regions if there is more than one
  /// meaning associated with a particular region.
  ///
  /// This notification should only be sent if the server has subscribed to it
  /// by including the value "HIGHLIGHTS" in the list of services passed in an
  /// analysis.setSubscriptions request.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file containing the highlight regions.
  ///
  /// regions: List<HighlightRegion>
  ///
  ///   The highlight regions contained in the file.
  late Stream<AnalysisHighlightsParams> onAnalysisHighlights;

  /// Stream controller for [onAnalysisHighlights].
  late StreamController<AnalysisHighlightsParams> _onAnalysisHighlights;

  /// Used to report the navigation regions associated with a given file. Each
  /// navigation region represents a list of targets associated with some
  /// range. The lists will usually contain a single target, but can contain
  /// more in the case of a part that is included in multiple libraries or in
  /// Dart code that is compiled against multiple versions of a package. Note
  /// that the navigation regions that are returned should not overlap other
  /// navigation regions.
  ///
  /// Navigation regions that overlap a navigation region computed by the
  /// server, or by one of the other plugins that are currently running, might
  /// be dropped or modified by the server in order to present a consistent
  /// view to the client.
  ///
  /// This notification should only be sent if the server has subscribed to it
  /// by including the value "NAVIGATION" in the list of services passed in an
  /// analysis.setSubscriptions request.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file containing the navigation regions.
  ///
  /// regions: List<NavigationRegion>
  ///
  ///   The navigation regions contained in the file.
  ///
  /// targets: List<NavigationTarget>
  ///
  ///   The navigation targets referenced in the file. They are referenced by
  ///   NavigationRegions by their index in this array.
  ///
  /// files: List<FilePath>
  ///
  ///   The files containing navigation targets referenced in the file. They
  ///   are referenced by NavigationTargets by their index in this array.
  late Stream<AnalysisNavigationParams> onAnalysisNavigation;

  /// Stream controller for [onAnalysisNavigation].
  late StreamController<AnalysisNavigationParams> _onAnalysisNavigation;

  /// Used to report the occurrences of references to elements within a single
  /// file. None of the occurrence regions should overlap.
  ///
  /// Occurrence regions that overlap an occurrence region computed by the
  /// server, or by one of the other plugins that are currently running, might
  /// be dropped or modified by the server in order to present a consistent
  /// view to the client.
  ///
  /// This notification should only be sent if the server has subscribed to it
  /// by including the value "OCCURRENCES" in the list of services passed in an
  /// analysis.setSubscriptions request.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file in which the references occur.
  ///
  /// occurrences: List<Occurrences>
  ///
  ///   The occurrences of references to elements within the file.
  late Stream<AnalysisOccurrencesParams> onAnalysisOccurrences;

  /// Stream controller for [onAnalysisOccurrences].
  late StreamController<AnalysisOccurrencesParams> _onAnalysisOccurrences;

  /// Used to report the outline fragments associated with a single file.
  ///
  /// The outline fragments will be merged with any outline produced by the
  /// server and with any fragments produced by other plugins. If the server
  /// cannot create a coherent outline, some fragments might be dropped.
  ///
  /// This notification should only be sent if the server has subscribed to it
  /// by including the value "OUTLINE" in the list of services passed in an
  /// analysis.setSubscriptions request.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file with which the outline is associated.
  ///
  /// outline: List<Outline>
  ///
  ///   The outline fragments associated with the file.
  late Stream<AnalysisOutlineParams> onAnalysisOutline;

  /// Stream controller for [onAnalysisOutline].
  late StreamController<AnalysisOutlineParams> _onAnalysisOutline;

  /// Used to request that completion suggestions for the given offset in the
  /// given file be returned.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file containing the point at which suggestions are to be made.
  ///
  /// offset: int
  ///
  ///   The offset within the file at which suggestions are to be made.
  ///
  /// Returns
  ///
  /// replacementOffset: int
  ///
  ///   The offset of the start of the text to be replaced. This will be
  ///   different than the offset used to request the completion suggestions if
  ///   there was a portion of an identifier before the original offset. In
  ///   particular, the replacementOffset will be the offset of the beginning
  ///   of said identifier.
  ///
  /// replacementLength: int
  ///
  ///   The length of the text to be replaced if the remainder of the
  ///   identifier containing the cursor is to be replaced when the suggestion
  ///   is applied (that is, the number of characters in the existing
  ///   identifier).
  ///
  /// results: List<CompletionSuggestion>
  ///
  ///   The completion suggestions being reported. The notification contains
  ///   all possible completions at the requested cursor position, even those
  ///   that do not match the characters the user has already typed. This
  ///   allows the client to respond to further keystrokes from the user
  ///   without having to make additional requests.
  Future<CompletionGetSuggestionsResult> sendCompletionGetSuggestions(
      String file, int offset) async {
    var params = CompletionGetSuggestionsParams(file, offset).toJson();
    var result = await server.send('completion.getSuggestions', params);
    var decoder = ResponseDecoder(null);
    return CompletionGetSuggestionsResult.fromJson(decoder, 'result', result);
  }

  /// Used to request the set of assists that are available at the given
  /// location. An assist is distinguished from a refactoring primarily by the
  /// fact that it affects a single file and does not require user input in
  /// order to be performed.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file containing the code for which assists are being requested.
  ///
  /// offset: int
  ///
  ///   The offset of the code for which assists are being requested.
  ///
  /// length: int
  ///
  ///   The length of the code for which assists are being requested.
  ///
  /// Returns
  ///
  /// assists: List<PrioritizedSourceChange>
  ///
  ///   The assists that are available at the given location.
  Future<EditGetAssistsResult> sendEditGetAssists(
      String file, int offset, int length) async {
    var params = EditGetAssistsParams(file, offset, length).toJson();
    var result = await server.send('edit.getAssists', params);
    var decoder = ResponseDecoder(null);
    return EditGetAssistsResult.fromJson(decoder, 'result', result);
  }

  /// Used to request a list of the kinds of refactorings that are valid for
  /// the given selection in the given file.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file containing the code on which the refactoring would be based.
  ///
  /// offset: int
  ///
  ///   The offset of the code on which the refactoring would be based.
  ///
  /// length: int
  ///
  ///   The length of the code on which the refactoring would be based.
  ///
  /// Returns
  ///
  /// kinds: List<RefactoringKind>
  ///
  ///   The kinds of refactorings that are valid for the given selection.
  ///
  ///   The list of refactoring kinds is currently limited to those defined by
  ///   the server API, preventing plugins from adding their own refactorings.
  ///   However, plugins can support pre-defined refactorings, such as a rename
  ///   refactoring, at locations not supported by server.
  Future<EditGetAvailableRefactoringsResult> sendEditGetAvailableRefactorings(
      String file, int offset, int length) async {
    var params =
        EditGetAvailableRefactoringsParams(file, offset, length).toJson();
    var result = await server.send('edit.getAvailableRefactorings', params);
    var decoder = ResponseDecoder(null);
    return EditGetAvailableRefactoringsResult.fromJson(
        decoder, 'result', result);
  }

  /// Used to request the set of fixes that are available for the errors at a
  /// given offset in a given file.
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file containing the errors for which fixes are being requested.
  ///
  /// offset: int
  ///
  ///   The offset used to select the errors for which fixes will be returned.
  ///
  /// Returns
  ///
  /// fixes: List<AnalysisErrorFixes>
  ///
  ///   The fixes that are available for the errors at the given offset.
  Future<EditGetFixesResult> sendEditGetFixes(String file, int offset) async {
    var params = EditGetFixesParams(file, offset).toJson();
    var result = await server.send('edit.getFixes', params);
    var decoder = ResponseDecoder(null);
    return EditGetFixesResult.fromJson(decoder, 'result', result);
  }

  /// Used to request the changes required to perform a refactoring.
  ///
  /// Parameters
  ///
  /// kind: RefactoringKind
  ///
  ///   The kind of refactoring to be performed.
  ///
  /// file: FilePath
  ///
  ///   The file containing the code involved in the refactoring.
  ///
  /// offset: int
  ///
  ///   The offset of the region involved in the refactoring.
  ///
  /// length: int
  ///
  ///   The length of the region involved in the refactoring.
  ///
  /// validateOnly: bool
  ///
  ///   True if the client is only requesting that the values of the options be
  ///   validated and no change be generated.
  ///
  /// options: RefactoringOptions (optional)
  ///
  ///   Data used to provide values provided by the user. The structure of the
  ///   data is dependent on the kind of refactoring being performed. The data
  ///   that is expected is documented in the section titled Refactorings,
  ///   labeled as "Options". This field can be omitted if the refactoring does
  ///   not require any options or if the values of those options are not
  ///   known.
  ///
  /// Returns
  ///
  /// initialProblems: List<RefactoringProblem>
  ///
  ///   The initial status of the refactoring, that is, problems related to the
  ///   context in which the refactoring is requested. The list should be empty
  ///   if there are no known problems.
  ///
  /// optionsProblems: List<RefactoringProblem>
  ///
  ///   The options validation status, that is, problems in the given options,
  ///   such as light-weight validation of a new name, flags compatibility,
  ///   etc. The list should be empty if there are no known problems.
  ///
  /// finalProblems: List<RefactoringProblem>
  ///
  ///   The final status of the refactoring, that is, problems identified in
  ///   the result of a full, potentially expensive validation and / or change
  ///   creation. The list should be empty if there are no known problems.
  ///
  /// feedback: RefactoringFeedback (optional)
  ///
  ///   Data used to provide feedback to the user. The structure of the data is
  ///   dependent on the kind of refactoring being created. The data that is
  ///   returned is documented in the section titled Refactorings, labeled as
  ///   "Feedback".
  ///
  /// change: SourceChange (optional)
  ///
  ///   The changes that are to be applied to affect the refactoring. This
  ///   field can be omitted if there are problems that prevent a set of
  ///   changes from being computed, such as having no options specified for a
  ///   refactoring that requires them, or if only validation was requested.
  ///
  /// potentialEdits: List<String> (optional)
  ///
  ///   The ids of source edits that are not known to be valid. An edit is not
  ///   known to be valid if there was insufficient type information for the
  ///   plugin to be able to determine whether or not the code needs to be
  ///   modified, such as when a member is being renamed and there is a
  ///   reference to a member from an unknown type. This field can be omitted
  ///   if the change field is omitted or if there are no potential edits for
  ///   the refactoring.
  Future<EditGetRefactoringResult> sendEditGetRefactoring(RefactoringKind kind,
      String file, int offset, int length, bool validateOnly,
      {RefactoringOptions? options}) async {
    var params = EditGetRefactoringParams(
            kind, file, offset, length, validateOnly,
            options: options)
        .toJson();
    var result = await server.send('edit.getRefactoring', params);
    var decoder = ResponseDecoder(kind);
    return EditGetRefactoringResult.fromJson(decoder, 'result', result);
  }

  /// Return the list of KytheEntry objects for some file, given the current
  /// state of the file system populated by "analysis.updateContent".
  ///
  /// Parameters
  ///
  /// file: FilePath
  ///
  ///   The file containing the code for which the Kythe Entry objects are
  ///   being requested.
  ///
  /// Returns
  ///
  /// entries: List<KytheEntry>
  ///
  ///   The list of KytheEntry objects for the queried file.
  ///
  /// files: List<FilePath>
  ///
  ///   The set of files paths that were required, but not in the file system,
  ///   to give a complete and accurate Kythe graph for the file. This could be
  ///   due to a referenced file that does not exist or generated files not
  ///   being generated or passed before the call to "getKytheEntries".
  Future<KytheGetKytheEntriesResult> sendKytheGetKytheEntries(
      String file) async {
    var params = KytheGetKytheEntriesParams(file).toJson();
    var result = await server.send('kythe.getKytheEntries', params);
    var decoder = ResponseDecoder(null);
    return KytheGetKytheEntriesResult.fromJson(decoder, 'result', result);
  }

  /// Initialize the fields in InttestMixin, and ensure that notifications will
  /// be handled.
  void initializeInttestMixin() {
    _onPluginError = StreamController<PluginErrorParams>(sync: true);
    onPluginError = _onPluginError.stream.asBroadcastStream();
    _onAnalysisErrors = StreamController<AnalysisErrorsParams>(sync: true);
    onAnalysisErrors = _onAnalysisErrors.stream.asBroadcastStream();
    _onAnalysisFolding = StreamController<AnalysisFoldingParams>(sync: true);
    onAnalysisFolding = _onAnalysisFolding.stream.asBroadcastStream();
    _onAnalysisHighlights =
        StreamController<AnalysisHighlightsParams>(sync: true);
    onAnalysisHighlights = _onAnalysisHighlights.stream.asBroadcastStream();
    _onAnalysisNavigation =
        StreamController<AnalysisNavigationParams>(sync: true);
    onAnalysisNavigation = _onAnalysisNavigation.stream.asBroadcastStream();
    _onAnalysisOccurrences =
        StreamController<AnalysisOccurrencesParams>(sync: true);
    onAnalysisOccurrences = _onAnalysisOccurrences.stream.asBroadcastStream();
    _onAnalysisOutline = StreamController<AnalysisOutlineParams>(sync: true);
    onAnalysisOutline = _onAnalysisOutline.stream.asBroadcastStream();
  }

  /// Dispatch the notification named [event], and containing parameters
  /// [params], to the appropriate stream.
  void dispatchNotification(String event, params) {
    var decoder = ResponseDecoder(null);
    switch (event) {
      case 'plugin.error':
        outOfTestExpect(params, isPluginErrorParams);
        _onPluginError
            .add(PluginErrorParams.fromJson(decoder, 'params', params));
        break;
      case 'analysis.errors':
        outOfTestExpect(params, isAnalysisErrorsParams);
        _onAnalysisErrors
            .add(AnalysisErrorsParams.fromJson(decoder, 'params', params));
        break;
      case 'analysis.folding':
        outOfTestExpect(params, isAnalysisFoldingParams);
        _onAnalysisFolding
            .add(AnalysisFoldingParams.fromJson(decoder, 'params', params));
        break;
      case 'analysis.highlights':
        outOfTestExpect(params, isAnalysisHighlightsParams);
        _onAnalysisHighlights
            .add(AnalysisHighlightsParams.fromJson(decoder, 'params', params));
        break;
      case 'analysis.navigation':
        outOfTestExpect(params, isAnalysisNavigationParams);
        _onAnalysisNavigation
            .add(AnalysisNavigationParams.fromJson(decoder, 'params', params));
        break;
      case 'analysis.occurrences':
        outOfTestExpect(params, isAnalysisOccurrencesParams);
        _onAnalysisOccurrences
            .add(AnalysisOccurrencesParams.fromJson(decoder, 'params', params));
        break;
      case 'analysis.outline':
        outOfTestExpect(params, isAnalysisOutlineParams);
        _onAnalysisOutline
            .add(AnalysisOutlineParams.fromJson(decoder, 'params', params));
        break;
      default:
        fail('Unexpected notification: $event');
    }
  }
}