blob: 39612a6d7a76e06d9cbccefec7b38d65f90a0e9c [file] [log] [blame]
// Copyright (c) 2018, 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.
import 'dart:async';
import 'package:analysis_server/protocol/protocol_constants.dart';
import 'package:analysis_server/src/protocol_server.dart';
import 'package:test/test.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';
import '../analysis_abstract.dart';
void main() {
defineReflectiveSuite(() {
defineReflectiveTests(AnalysisNotificationFoldingTest);
});
}
@reflectiveTest
class AnalysisNotificationFoldingTest extends AbstractAnalysisTest {
static const sampleCode = '''
import 'dart:async';
import 'dart:core';
main async() {}
''';
static final expectedResults = [
// We don't include the first "import" in the region because
// we want that to remain visible (not collapse).
FoldingRegion(FoldingKind.DIRECTIVES, 6, 34)
];
List<FoldingRegion>? lastRegions;
late Completer _regionsReceived;
@override
void processNotification(Notification notification) {
if (notification.event == ANALYSIS_NOTIFICATION_FOLDING) {
var params = AnalysisFoldingParams.fromNotification(notification);
if (params.file == testFile) {
lastRegions = params.regions;
_regionsReceived.complete(null);
}
} else if (notification.event == SERVER_NOTIFICATION_ERROR) {
var params = ServerErrorParams.fromNotification(notification);
throw '${params.message}\n${params.stackTrace}';
}
}
@override
void setUp() {
super.setUp();
createProject();
}
void subscribeForFolding() {
addAnalysisSubscription(AnalysisService.FOLDING, testFile);
}
Future<void> test_afterAnalysis() async {
addTestFile(sampleCode);
await waitForTasksFinished();
expect(lastRegions, isNull);
await waitForFolding(() => subscribeForFolding());
expect(lastRegions, expectedResults);
}
Future<void> test_afterUpdate() async {
addTestFile('');
// Currently required to get notifications on updates
setPriorityFiles([testFile]);
// Before subscribing, we shouldn't have had any folding regions.
await waitForTasksFinished();
expect(lastRegions, isNull);
// With no content, there should be zero regions.
await waitForFolding(() => subscribeForFolding());
expect(lastRegions, hasLength(0));
// With sample code there will be folding regions.
await waitForFolding(() => modifyTestFile(sampleCode));
expect(lastRegions, expectedResults);
}
Future waitForFolding(void Function() action) {
_regionsReceived = Completer();
action();
return _regionsReceived.future;
}
}