88 lines
2.7 KiB
Dart
88 lines
2.7 KiB
Dart
import 'package:angel3_mq/mq.dart';
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import 'package:angel3_mq/src/core/exceptions/exceptions.dart';
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import 'package:angel3_mq/src/exchange/direct_exchange.dart';
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import 'package:angel3_mq/src/queue/queue.dart';
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import 'package:test/test.dart';
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void main() {
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late DirectExchange directExchange;
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late Queue queue1;
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late Queue queue2;
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late Message message;
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setUp(() {
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directExchange = DirectExchange('my_direct_exchange');
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queue1 = Queue('queue_1');
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queue2 = Queue('queue_2');
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message = Message(
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headers: {'contentType': 'json', 'sender': 'Alice'},
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payload: {'text': 'Hello, World!'},
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timestamp: '2023-09-07T12:00:002',
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);
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});
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test('bindQueue binds a queue to the direct exchange with a binding key', () {
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directExchange.bindQueue(queue: queue1, bindingKey: 'routing_key_1');
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expect(directExchange.bindings.has('routing_key_1'), isTrue);
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});
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test(
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'bindQueue binds a queue to the direct exchange with a binding key that '
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'already exists.', () {
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directExchange
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..bindQueue(queue: queue1, bindingKey: 'routing_key_1')
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..bindQueue(queue: queue2, bindingKey: 'routing_key_1');
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expect(directExchange.bindings.has('routing_key_1'), isTrue);
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});
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test(
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'unbindQueue unbinds a queue from the direct exchange with a binding key',
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() {
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directExchange
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..bindQueue(queue: queue1, bindingKey: 'routing_key_1')
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..unbindQueue(queueId: queue1.id, bindingKey: 'routing_key_1');
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expect(directExchange.bindings.has('routing_key_1'), isFalse);
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});
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test(
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'forwardMessage forwards a message to the direct exchange using a '
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'routing key', () {
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directExchange
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..bindQueue(queue: queue1, bindingKey: 'routing_key_1')
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..forwardMessage(message: message, routingKey: 'routing_key_1');
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expect(queue1.latestMessage, equals(message));
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});
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test(
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'forwardMessage throws BindingKeyNotFoundException when routing key is '
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'not found', () {
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expect(
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() => directExchange.forwardMessage(
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message: message,
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routingKey: 'non_existent_routing_key',
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),
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throwsA(isA<BindingKeyNotFoundException>()),
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);
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});
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test(
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'forwardMessage throws RoutingKeyRequiredException when routing key is '
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'null', () {
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expect(
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() => directExchange.forwardMessage(message: message),
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throwsA(isA<RoutingKeyRequiredException>()),
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);
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});
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test(
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'unbindQueue throws BindingKeyNotFoundException when attempting to '
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'unbind with an invalid binding key', () {
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expect(
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() => directExchange.unbindQueue(
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queueId: 'queue_id',
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bindingKey: 'invalid_binding_key',
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),
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throwsA(isA<BindingKeyNotFoundException>()),
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);
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});
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}
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