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provectus#188 added pagination for get topics api (provectus#249)
* added pagination for get topics api * frontend fix * - fixed merge conflicts - renamed pageSize to perPage
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101 changes: 101 additions & 0 deletions
101
kafka-ui-api/src/test/java/com/provectus/kafka/ui/service/ClusterServiceTest.java
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package com.provectus.kafka.ui.service; | ||
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import com.provectus.kafka.ui.mapper.ClusterMapper; | ||
import com.provectus.kafka.ui.model.InternalTopic; | ||
import com.provectus.kafka.ui.model.KafkaCluster; | ||
import com.provectus.kafka.ui.model.Topic; | ||
import org.junit.jupiter.api.Test; | ||
import org.junit.jupiter.api.extension.ExtendWith; | ||
import org.mapstruct.factory.Mappers; | ||
import org.mockito.InjectMocks; | ||
import org.mockito.Mock; | ||
import org.mockito.Spy; | ||
import org.mockito.junit.jupiter.MockitoExtension; | ||
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import java.util.Map; | ||
import java.util.Objects; | ||
import java.util.Optional; | ||
import java.util.UUID; | ||
import java.util.function.Function; | ||
import java.util.stream.Collectors; | ||
import java.util.stream.IntStream; | ||
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import static org.assertj.core.api.Assertions.assertThat; | ||
import static org.mockito.Mockito.when; | ||
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@ExtendWith(MockitoExtension.class) | ||
class ClusterServiceTest { | ||
@InjectMocks | ||
private ClusterService clusterService; | ||
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@Mock | ||
private ClustersStorage clustersStorage; | ||
@Spy | ||
private final ClusterMapper clusterMapper = Mappers.getMapper(ClusterMapper.class); | ||
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@Test | ||
public void shouldListFirst20Topics() { | ||
var topicName = UUID.randomUUID().toString(); | ||
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when(clustersStorage.getClusterByName(topicName)) | ||
.thenReturn(Optional.of(KafkaCluster.builder() | ||
.topics( | ||
IntStream.rangeClosed(1, 100).boxed() | ||
.map(Objects::toString) | ||
.collect(Collectors.toMap(Function.identity(), e -> InternalTopic.builder() | ||
.partitions(Map.of()) | ||
.name(e) | ||
.build())) | ||
) | ||
.build())); | ||
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var topics = clusterService.getTopics(topicName, Optional.empty(), Optional.empty()); | ||
assertThat(topics.getPageCount()).isEqualTo(5); | ||
assertThat(topics.getTopics()).hasSize(20); | ||
assertThat(topics.getTopics()).map(Topic::getName).isSorted(); | ||
} | ||
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@Test | ||
public void shouldCalculateCorrectPageCountForNonDivisiblePageSize() { | ||
var topicName = UUID.randomUUID().toString(); | ||
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when(clustersStorage.getClusterByName(topicName)) | ||
.thenReturn(Optional.of(KafkaCluster.builder() | ||
.topics( | ||
IntStream.rangeClosed(1, 100).boxed() | ||
.map(Objects::toString) | ||
.collect(Collectors.toMap(Function.identity(), e -> InternalTopic.builder() | ||
.partitions(Map.of()) | ||
.name(e) | ||
.build())) | ||
) | ||
.build())); | ||
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var topics = clusterService.getTopics(topicName, Optional.of(4), Optional.of(33)); | ||
assertThat(topics.getPageCount()).isEqualTo(4); | ||
assertThat(topics.getTopics()).hasSize(1) | ||
.first().extracting(Topic::getName).isEqualTo("99"); | ||
} | ||
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@Test | ||
public void shouldCorrectlyHandleNonPositivePageNumberAndPageSize() { | ||
var topicName = UUID.randomUUID().toString(); | ||
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when(clustersStorage.getClusterByName(topicName)) | ||
.thenReturn(Optional.of(KafkaCluster.builder() | ||
.topics( | ||
IntStream.rangeClosed(1, 100).boxed() | ||
.map(Objects::toString) | ||
.collect(Collectors.toMap(Function.identity(), e -> InternalTopic.builder() | ||
.partitions(Map.of()) | ||
.name(e) | ||
.build())) | ||
) | ||
.build())); | ||
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var topics = clusterService.getTopics(topicName, Optional.of(0), Optional.of(-1)); | ||
assertThat(topics.getPageCount()).isEqualTo(5); | ||
assertThat(topics.getTopics()).hasSize(20); | ||
assertThat(topics.getTopics()).map(Topic::getName).isSorted(); | ||
} | ||
} |
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