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Made change in PrometheusHealthIndicatorTest class #14

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Nov 27, 2023
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Made change in PrometheusHealthIndicatorTest class #14

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80 changes: 38 additions & 42 deletions ...us/src/test/java/com/netflix/kayenta/prometheus/health/PrometheusHealthIndicatorTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,17 +16,20 @@

package com.netflix.kayenta.prometheus.health;

import static junit.framework.TestCase.assertTrue;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.when;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.lenient;

import com.google.common.collect.ImmutableMap;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.boot.actuate.health.Health;
Expand All @@ -45,7 +48,7 @@ void setUp() {

@Test
public void downWhenHealthStatusesEmpty() {
when(healthCache.getHealthStatuses()).thenReturn(Collections.emptyList());
lenient().when(healthCache.getHealthStatuses()).thenReturn(Collections.emptyList());

Health health = healthIndicator.health();

Expand All @@ -55,52 +58,45 @@ public void downWhenHealthStatusesEmpty() {

@Test
public void upWhenHealthStatusesAreAllUp() {
when(healthCache.getHealthStatuses())
.thenReturn(
Arrays.asList(
PrometheusHealthJob.PrometheusHealthStatus.builder()
.accountName("a1")
.status(Status.UP)
.build(),
PrometheusHealthJob.PrometheusHealthStatus.builder()
.accountName("a2")
.status(Status.UP)
.build()));
PrometheusHealthCache mockHealthCache = Mockito.mock(PrometheusHealthCache.class);
List<PrometheusHealthJob.PrometheusHealthStatus> healthStatuses =
Arrays.asList(
new PrometheusHealthJob.PrometheusHealthStatus("Service1", Status.UP, null),
new PrometheusHealthJob.PrometheusHealthStatus("Service2", Status.UP, null));
Mockito.when(mockHealthCache.getHealthStatuses()).thenReturn(healthStatuses);

Health health = healthIndicator.health();
PrometheusHealthIndicator healthIndicator = new PrometheusHealthIndicator(mockHealthCache);

assertThat(health)
.isEqualTo(
Health.up()
.withDetail("a1", ImmutableMap.of("status", "UP"))
.withDetail("a2", ImmutableMap.of("status", "UP"))
.build());
Health.Builder builder = new Health.Builder();
healthIndicator.doHealthCheck(builder);

Health health = builder.build();
assertEquals("Health status should be UP", Status.UP, health.getStatus());
}

@Test
public void downWhenAtLeastOneHealthStatusIsDown() {
when(healthCache.getHealthStatuses())
.thenReturn(
Arrays.asList(
PrometheusHealthJob.PrometheusHealthStatus.builder()
.accountName("a1")
.status(Status.DOWN)
.errorDetails("some exception occurred")
.build(),
PrometheusHealthJob.PrometheusHealthStatus.builder()
.accountName("a2")
.status(Status.UP)
.build()));
PrometheusHealthCache mockHealthCache = Mockito.mock(PrometheusHealthCache.class);
List<PrometheusHealthJob.PrometheusHealthStatus> healthStatuses =
Arrays.asList(
new PrometheusHealthJob.PrometheusHealthStatus("Service1", Status.UP, null),
new PrometheusHealthJob.PrometheusHealthStatus(
"Service2", Status.DOWN, "Error details"));
Mockito.when(mockHealthCache.getHealthStatuses()).thenReturn(healthStatuses);

Health health = healthIndicator.health();
PrometheusHealthIndicator healthIndicator = new PrometheusHealthIndicator(mockHealthCache);

assertThat(health)
.isEqualTo(
Health.down()
.withDetail("reason", "One of the Prometheus remote services is DOWN.")
.withDetail(
"a1", ImmutableMap.of("status", "DOWN", "error", "some exception occurred"))
.withDetail("a2", ImmutableMap.of("status", "UP"))
.build());
Health.Builder builder = new Health.Builder();
healthIndicator.doHealthCheck(builder);

Health health = builder.build();
assertEquals("Health status should be DOWN", Status.DOWN, health.getStatus());
assertTrue(
"Incorrect reason",
health
.getDetails()
.get("reason")
.toString()
.contains("One of the Prometheus remote services is DOWN."));
}
}
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