serverpod-offline-sync/packages/serverpod_offline_sync/test/hlc/hlc_comparison_test.dart
Kasper Overgård Nielsen c78af247fe
test: Add a DST and tests reproducing found failures (#110)
Co-authored-by: Marcelo Soares <marcelo.me.soares@gmail.com>
2026-09-04 13:09:20 -03:00

122 lines
3.1 KiB
Dart

import 'package:serverpod_offline_sync/serverpod_offline_sync.dart';
import 'package:test/test.dart';
import 'hlc_fixtures.dart';
void main() {
group('Given two Hlcs with same dateTime, counter and nodeId when comparing ', () {
final hlc1 = Hlc(hlcTime, 17, hlcNodeId);
final hlc2 = Hlc(hlcTime, 17, hlcNodeId);
test('then they are equal.', () {
expect(hlc1, hlc2);
expect(hlc1 == hlc2, isTrue);
expect(hlc1, equals(hlc2));
});
test('then compareTo returns 0.', () {
expect(hlc1.compareTo(hlc2), 0);
});
test('then <= is true.', () {
expect(hlc1 <= hlc2, isTrue);
expect(hlc1, lessThanOrEqualTo(hlc2));
});
test('then >= is true.', () {
expect(hlc1 >= hlc2, isTrue);
expect(hlc1, greaterThanOrEqualTo(hlc2));
});
});
group(
'Given two Hlcs with same dateTime and counter and different nodeId when comparing ',
() {
final hlc1 = Hlc(hlcTime, 17, hlcNodeId);
final hlc2 = Hlc(hlcTime, 17, hlcSecondNodeId);
test('then they are not equal.', () {
expect(hlc1, isNot(hlc2));
});
test('then compareTo follows lexicographic node uuid order.', () {
expect(
hlc1.compareTo(hlc2),
hlc1.nodeId.uuid.compareTo(hlc2.nodeId.uuid),
);
});
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(hlcTime, 17, hlcNodeId);
final hlc2 = Hlc(hlcTime, 18, hlcNodeId);
test('then they are not equal.', () {
expect(hlc1, isNot(hlc2));
});
test('then compareTo returns -1.', () {
expect(hlc1.compareTo(hlc2), -1);
});
test('then < is true.', () {
expect(hlc1 < hlc2, isTrue);
expect(hlc1, lessThan(hlc2));
});
test('then <= is true.', () {
expect(hlc1 <= hlc2, isTrue);
expect(hlc1, lessThanOrEqualTo(hlc2));
});
test('then > is false.', () {
expect(hlc1 > hlc2, isFalse);
});
test('then >= is false.', () {
expect(hlc1 >= hlc2, isFalse);
expect(hlc1, isNot(greaterThanOrEqualTo(hlc2)));
});
});
group(
'Given two Hlcs with different dateTime when comparing ',
() {
final hlc1 = Hlc(hlcTime, 0, hlcNodeId);
final hlc2 = Hlc(hlcTime.advance(), 17, hlcNodeId);
test('then they are not equal.', () {
expect(hlc1, isNot(hlc2));
});
test('then compareTo returns -1.', () {
expect(hlc1.compareTo(hlc2), -1);
});
test('then < is true.', () {
expect(hlc1 < hlc2, isTrue);
expect(hlc1, lessThan(hlc2));
});
test('then <= is true.', () {
expect(hlc1 <= hlc2, isTrue);
expect(hlc1, lessThanOrEqualTo(hlc2));
});
test('then > is false.', () {
expect(hlc1 > hlc2, isFalse);
});
test('then >= is false.', () {
expect(hlc1 >= hlc2, isFalse);
expect(hlc1, isNot(greaterThanOrEqualTo(hlc2)));
});
},
);
}