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fix(tests): stabilize TQEClusterIntegrationTest against queue dedup #104

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fix(tests): stabilize TQEClusterIntegrationTest against queue dedup #104

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e7d1518
fix(tests): stabilize TQEClusterIntegrationTest against queue dedup
dkasimovskiy Jun 26, 2026
8b3a02d
refactor(tests): drop no-op retry wrapper around TQE subscribe
dkasimovskiy Jun 26, 2026
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32 changes: 14 additions & 18 deletions ...rc/test/java/org/testcontainers/containers/integration/tqe/TQEClusterIntegrationTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,13 @@

package org.testcontainers.containers.integration.tqe;

import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.TimeUnit;

import org.instancio.Instancio;
import org.instancio.Select;
import org.instancio.generators.Generators;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.params.ParameterizedTest;
Expand All @@ -36,20 +34,17 @@ void testPublishAndConsumeData(TQEVersion version) {
try (TQEClusterFixture fx = new TQEClusterFixture(version)) {
final List<User> users = generateUsers();

Unreliables.retryUntilSuccess(
RETRY_TIMEOUT_SECONDS,
TimeUnit.SECONDS,
() -> {
fx.publisherClient().publish(users, QUEUE_NAME);
return true;
});

// Subscribe before publishing so the consumer stream is active when messages are
// produced — avoids relying on cursor="" replay, which is unreliable while the
// TQE 3.x broker is still settling.
final Set<User> result = new CopyOnWriteArraySet<>();
fx.consumerClient().subscribe(QUEUE_NAME, result::add);

Unreliables.retryUntilSuccess(
RETRY_TIMEOUT_SECONDS,
TimeUnit.SECONDS,
() -> {
fx.consumerClient().subscribe(QUEUE_NAME, result::add);
fx.publisherClient().publish(users, QUEUE_NAME);
return true;
});

Expand All @@ -60,12 +55,13 @@ void testPublishAndConsumeData(TQEVersion version) {
});
}

// Queue config sets deduplication_mode: keep_latest, so duplicate (age, name) payloads collapse
// and the consumer can never receive USERS_COUNT messages. Generate strictly-unique users.
private static List<User> generateUsers() {
return Instancio.ofList(User.class)
.size(USERS_COUNT)
.generate(
Select.field(User::getName), g -> g.string().alphaNumeric().allowEmpty().nullable())
.generate(Select.field(User::getAge), Generators::ints)
.create();
List<User> users = new ArrayList<>(USERS_COUNT);
for (int i = 0; i < USERS_COUNT; i++) {
users.add(new User(i, "user-" + i));
}
return users;
}
}
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