Sam Rawlins
fbf331e0dd
Change-Id: I42b4a44fd6a2197e499e8623274b3cd1a4b5556f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/394003 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
104 lines
3.0 KiB
Dart
104 lines
3.0 KiB
Dart
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:async';
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import 'package:analysis_server/protocol/protocol_constants.dart';
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import 'package:analysis_server/src/protocol_server.dart';
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import 'package:test/test.dart';
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import 'package:test_reflective_loader/test_reflective_loader.dart';
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import '../analysis_server_base.dart';
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void main() {
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defineReflectiveSuite(() {
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defineReflectiveTests(AnalysisNotificationFoldingTest);
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});
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}
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@reflectiveTest
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class AnalysisNotificationFoldingTest extends PubPackageAnalysisServerTest {
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static const sampleCode = '''
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import 'dart:async';
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import 'dart:core';
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main async() {}
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''';
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static final expectedResults = [
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// We don't include the first "import" in the region because
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// we want that to remain visible (not collapse).
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FoldingRegion(FoldingKind.DIRECTIVES, 6, 34),
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];
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List<FoldingRegion>? lastRegions;
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late Completer<void> _regionsReceived;
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@override
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void processNotification(Notification notification) {
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if (notification.event == ANALYSIS_NOTIFICATION_FOLDING) {
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var params = AnalysisFoldingParams.fromNotification(
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notification,
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clientUriConverter: server.uriConverter,
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);
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if (params.file == testFile.path) {
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lastRegions = params.regions;
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_regionsReceived.complete();
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}
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} else if (notification.event == SERVER_NOTIFICATION_ERROR) {
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var params = ServerErrorParams.fromNotification(
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notification,
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clientUriConverter: server.uriConverter,
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);
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throw '${params.message}\n${params.stackTrace}';
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}
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}
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@override
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Future<void> setUp() async {
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super.setUp();
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await setRoots(included: [workspaceRootPath], excluded: []);
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}
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Future<void> subscribeForFolding() async {
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await addAnalysisSubscription(AnalysisService.FOLDING, testFile);
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}
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Future<void> test_afterAnalysis() async {
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addTestFile(sampleCode);
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await waitForTasksFinished();
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expect(lastRegions, isNull);
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await waitForFolding(() async => await subscribeForFolding());
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expect(lastRegions, expectedResults);
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}
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Future<void> test_afterUpdate() async {
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addTestFile('');
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// Currently required to get notifications on updates
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setPriorityFiles([testFile]);
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// Before subscribing, we shouldn't have had any folding regions.
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await waitForTasksFinished();
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expect(lastRegions, isNull);
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// With no content, there should be zero regions.
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await waitForFolding(() async => await subscribeForFolding());
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expect(lastRegions, hasLength(0));
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// With sample code there will be folding regions.
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await waitForFolding(() async => modifyTestFile(sampleCode));
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expect(lastRegions, expectedResults);
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}
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Future<void> waitForFolding(Future<void> Function() action) async {
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_regionsReceived = Completer();
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await action();
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return _regionsReceived.future;
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}
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}
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