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test(transcription): rename propagation across 200 blocks must stay under 2 seconds

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Latency floor (Sara): a merge-blocking regression check, not a benchmark.
Seeds 200 blocks each with one mention of the same person, fires the rename,
and asserts the listener completes the entire find/mutate/saveAllAndFlush
cycle in less than two seconds against the Testcontainers Postgres.

Confirms the partial reload (one Auguste → Augusta) actually persisted so
the timing isn't measuring an empty path.

Refs #362

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Marcel
2026-04-28 20:58:55 +02:00
parent 404d874b4e
commit 221a6af838
1 changed files with 32 additions and 0 deletions
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32
backend/src/test/java/org/raddatz/familienarchiv/service/PersonMentionPropagationListenerTest.java
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@@ -21,6 +21,7 @@ import org.springframework.boot.jdbc.test.autoconfigure.AutoConfigureTestDatabas
import org.springframework.boot.data.jpa.test.autoconfigure.DataJpaTest;
import org.springframework.context.annotation.Import;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
@@ -165,6 +166,37 @@ class PersonMentionPropagationListenerTest {
.containsExactly("Ghost Name");
}
@Test
void propagatesAcross200Blocks_inUnderTwoSeconds_latencyFloor() {
UUID personId = savedPersonId("Auguste", "Raddatz");
List<UUID> blockIds = new ArrayList<>();
for (int i = 0; i < 200; i++) {
TranscriptionBlock saved = blockRepository.save(TranscriptionBlock.builder()
.annotationId(annotationId).documentId(documentId)
.text("Block " + i + " mentions @Auguste Raddatz here.")
.sortOrder(i)
.mentionedPersons(List.of(new PersonMention(personId, "Auguste Raddatz")))
.build());
blockIds.add(saved.getId());
}
blockRepository.flush();
em.clear();
long start = System.nanoTime();
listener.onPersonDisplayNameChanged(
new PersonDisplayNameChangedEvent(personId, "Auguste Raddatz", "Augusta Raddatz"));
blockRepository.flush();
long elapsedMs = (System.nanoTime() - start) / 1_000_000;
assertThat(elapsedMs)
.as("Propagation across 200 blocks must stay under 2s — merge-blocking regression floor")
.isLessThan(2000L);
em.clear();
TranscriptionBlock first = blockRepository.findById(blockIds.get(0)).orElseThrow();
assertThat(first.getText()).contains("@Augusta Raddatz");
}
@Test
void leavesUnrelatedBlockUntouched_whenNoSidecarReferencesPerson() {
UUID personId = savedPersonId("Auguste", "Raddatz");