halkyon-days/serverpod-offline-sync
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test: Add a DST and tests reproducing found failures (#110)

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Co-authored-by: Marcelo Soares <marcelo.me.soares@gmail.com>
This commit is contained in:
Kasper Overgård Nielsen 2026-09-04 18:09:20 +02:00 • committed by GitHub
commit c78af247fe
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1 changed files with 22825 additions and 184 deletions
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31
packages/serverpod_offline_sync/test/hlc/hlc_comparison_test.dart
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@ -1,14 +1,12 @@
import 'package:serverpod_offline_sync/serverpod_offline_sync.dart';
import 'package:test/test.dart';
import 'package:uuid/uuid.dart';
final _dateTime = DateTime.parse('2001-09-09T01:46:40.000Z');
final _nodeId = const Uuid().v4obj();
import 'hlc_fixtures.dart';
void main() {
group('Given two Hlcs with same dateTime, counter and nodeId when comparing ', () {
final hlc1 = Hlc(_dateTime, 17, _nodeId);
final hlc2 = Hlc(_dateTime, 17, _nodeId);
final hlc1 = Hlc(hlcTime, 17, hlcNodeId);
final hlc2 = Hlc(hlcTime, 17, hlcNodeId);
test('then they are equal.', () {
expect(hlc1, hlc2);
@ -34,10 +32,8 @@ void main() {
group(
'Given two Hlcs with same dateTime and counter and different nodeId when comparing ',
() {
final node2 = const Uuid().v4obj();
final hlc1 = Hlc(_dateTime, 17, _nodeId);
final hlc2 = Hlc(_dateTime, 17, node2);
final hlc1 = Hlc(hlcTime, 17, hlcNodeId);
final hlc2 = Hlc(hlcTime, 17, hlcSecondNodeId);
test('then they are not equal.', () {
expect(hlc1, isNot(hlc2));
@ -50,19 +46,16 @@ void main() {
);
});
test('then one is greater or less by uuid order.', () {
if (_nodeId.uuid.compareTo(node2.uuid) > 0) {
expect(hlc1 > hlc2, isTrue);
} else {
expect(hlc1 < hlc2, isTrue);
}
test('then the lower node uuid is the lesser Hlc.', () {
expect(hlc1 < hlc2, isTrue);
expect(hlc2 > hlc1, isTrue);
});
},
);
group('Given two Hlcs with same dateTime and different counter when comparing ', () {
final hlc1 = Hlc(_dateTime, 17, _nodeId);
final hlc2 = Hlc(_dateTime, 18, _nodeId);
final hlc1 = Hlc(hlcTime, 17, hlcNodeId);
final hlc2 = Hlc(hlcTime, 18, hlcNodeId);
test('then they are not equal.', () {
expect(hlc1, isNot(hlc2));
@ -95,8 +88,8 @@ void main() {
group(
'Given two Hlcs with different dateTime when comparing ',
() {
final hlc1 = Hlc(_dateTime, 0, _nodeId);
final hlc2 = Hlc(_dateTime.add(const Duration(milliseconds: 1)), 17, _nodeId);
final hlc1 = Hlc(hlcTime, 0, hlcNodeId);
final hlc2 = Hlc(hlcTime.advance(), 17, hlcNodeId);
test('then they are not equal.', () {
expect(hlc1, isNot(hlc2));