package de.juplo.kafka.wordcount.query;
+import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
import org.apache.kafka.streams.state.Stores;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.TestConfiguration;
import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Primary;
+import org.springframework.http.MediaType;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.kafka.support.SendResult;
import org.springframework.kafka.test.context.EmbeddedKafka;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.util.concurrent.CompletableFuture;
-import static de.juplo.kafka.wordcount.query.QueryStreamProcessor.STORE_NAME;
+import static de.juplo.kafka.wordcount.query.QueryStreamProcessor.RANKING_STORE_NAME;
+import static de.juplo.kafka.wordcount.query.QueryStreamProcessor.USER_STORE_NAME;
import static org.awaitility.Awaitility.await;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@SpringBootTest(
properties = {
+ "spring.main.allow-bean-definition-overriding=true",
"spring.kafka.producer.key-serializer=org.apache.kafka.common.serialization.StringSerializer",
"spring.kafka.producer.value-serializer=org.springframework.kafka.support.serializer.JsonSerializer",
- "spring.kafka.producer.properties.spring.json.add.type.headers=false",
+ "spring.kafka.producer.properties.spring.json.type.mapping=userdata:de.juplo.kafka.wordcount.users.TestUserData,ranking:de.juplo.kafka.wordcount.top10.TestRanking",
"logging.level.root=WARN",
"logging.level.de.juplo=DEBUG",
"logging.level.org.apache.kafka.clients=INFO",
"logging.level.org.apache.kafka.streams=INFO",
"juplo.wordcount.query.bootstrap-server=${spring.embedded.kafka.brokers}",
+ "juplo.wordcount.query.commit-interval=100",
+ "juplo.wordcount.query.cache-max-bytes=0",
"juplo.wordcount.query.users-input-topic=" + QueryApplicationIT.TOPIC_USERS,
"juplo.wordcount.query.ranking-input-topic=" + QueryApplicationIT.TOPIC_TOP10 })
+@AutoConfigureMockMvc
@EmbeddedKafka(topics = { QueryApplicationIT.TOPIC_TOP10, QueryApplicationIT.TOPIC_USERS})
@Slf4j
public class QueryApplicationIT
public static final String TOPIC_TOP10 = "top10";
public static final String TOPIC_USERS = "users";
+
+ @Autowired
+ MockMvc mockMvc;
+ @Autowired
+ ObjectMapper objectMapper;
@Autowired
QueryStreamProcessor streamProcessor;
}
}
- @DisplayName("Await the expected state in the state-store")
+ @DisplayName("Await, that the expected state is visible in the state-store")
@Test
- public void testAwaitExpectedState()
+ public void testAwaitExpectedStateInStore()
{
- await("Expected state")
+ await("The expected state is visible in the state-store")
.atMost(Duration.ofSeconds(5))
- .catchUncaughtExceptions()
- .untilAsserted(() -> TestData.assertExpectedState(streamProcessor.getStore()));
+ .untilAsserted(() -> TestData.assertExpectedState(user -> streamProcessor.getStore().get(user)));
+ }
+
+ @DisplayName("Await, that the expected state is queryable")
+ @Test
+ public void testAwaitExpectedStateIsQueryable()
+ {
+ await("The expected state is queryable")
+ .atMost(Duration.ofSeconds(5))
+ .untilAsserted(() -> TestData.assertExpectedState(user -> requestUserRankingFor(user)));
+ }
+
+ private UserRanking requestUserRankingFor(String user)
+ {
+ try
+ {
+ return objectMapper.readValue(
+ mockMvc
+ .perform(MockMvcRequestBuilders.get("/{user}", user)
+ .contentType(MediaType.APPLICATION_JSON))
+ .andExpect(status().isOk())
+ .andReturn()
+ .getResponse()
+ .getContentAsString(StandardCharsets.UTF_8),
+ UserRanking.class);
+ }
+ catch (Exception e)
+ {
+ throw new RuntimeException(e);
+ }
}
@TestConfiguration
static class Configuration
{
- @Primary
@Bean
- KeyValueBytesStoreSupplier inMemoryStoreSupplier()
+ KeyValueBytesStoreSupplier userStoreSupplier()
+ {
+ return Stores.inMemoryKeyValueStore(USER_STORE_NAME);
+ }
+
+ @Bean
+ KeyValueBytesStoreSupplier rankingStoreSupplier()
{
- return Stores.inMemoryKeyValueStore(STORE_NAME);
+ return Stores.inMemoryKeyValueStore(RANKING_STORE_NAME);
}
}
}