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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.metricsproxy.metric.model;
import ai.vespa.metricsproxy.metric.Metric;
import org.junit.Test;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static ai.vespa.metricsproxy.metric.model.ConsumerId.toConsumerId;
import static ai.vespa.metricsproxy.metric.model.MetricId.toMetricId;
import static ai.vespa.metricsproxy.metric.model.ServiceId.toServiceId;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author gjoranv
*/
public class MetricsPacketTest {
@Test
public void service_cannot_be_null() {
try {
MetricsPacket packet = new MetricsPacket.Builder(null)
.statusCode(0)
.statusMessage("")
.timestamp(0L)
.build();
fail("Expected exception due to null service.");
} catch (Exception e) {
assertEquals("Service cannot be null.", e.getMessage());
}
}
@Test
public void consumers_are_always_distinct() {
ConsumerId DUPLICATE_CONSUMER = toConsumerId("duplicateConsumer");
MetricsPacket packet = new MetricsPacket.Builder(toServiceId("foo"))
.statusCode(0)
.statusMessage("")
.addConsumers(Set.of(DUPLICATE_CONSUMER))
.addConsumers(Set.of(DUPLICATE_CONSUMER))
.build();
assertEquals(1, packet.consumers().size());
}
@Test
public void builder_allows_inspecting_consumers() {
var consumer = toConsumerId("my-consumer");
var builder = new MetricsPacket.Builder(toServiceId("foo"))
.statusCode(0)
.statusMessage("")
.addConsumers(Set.of(consumer));
assertTrue(builder.hasConsumer(consumer));
}
@Test
public void builder_can_retain_subset_of_metrics() {
MetricsPacket packet = new MetricsPacket.Builder(toServiceId("foo"))
.putMetrics(List.of(
new Metric(toMetricId("remove"), 1),
new Metric(toMetricId("keep"), 2)))
.retainMetrics(Set.of(toMetricId("keep"), toMetricId("non-existent")))
.build();
assertFalse("should not contain 'remove'", packet.metrics().containsKey(toMetricId("remove")));
assertTrue("should contain 'keep'", packet.metrics().containsKey(toMetricId("keep")));
assertFalse("should not contain 'non-existent'", packet.metrics().containsKey(toMetricId("non-existent")));
}
@Test
public void builder_applies_output_names() {
String ONE = "one";
String TWO = "two";
String THREE = "three";
String NON_EXISTENT = "non-existent";
MetricId ONE_ID = toMetricId(ONE);
MetricId TWO_ID = toMetricId(TWO);
MetricId THREE_ID = toMetricId(THREE);
MetricId NON_EXISTENT_ID = toMetricId(NON_EXISTENT);
Map<MetricId, List<MetricId>> outputNamesById = Map.of(
ONE_ID, List.of(ONE_ID),
TWO_ID, List.of(TWO_ID, toMetricId("dos")),
THREE_ID, List.of(toMetricId("3")),
NON_EXISTENT_ID, List.of(NON_EXISTENT_ID));
MetricsPacket packet = new MetricsPacket.Builder(toServiceId("foo"))
.putMetrics(List.of(
new Metric(ONE_ID, 1),
new Metric(TWO_ID, 2),
new Metric(THREE_ID, 3)))
.applyOutputNames(outputNamesById)
.build();
// Only original name
assertTrue(packet.metrics().containsKey(ONE_ID));
// Both names
assertTrue(packet.metrics().containsKey(TWO_ID));
assertTrue(packet.metrics().containsKey(toMetricId("dos")));
// Only new name
assertFalse(packet.metrics().containsKey(THREE_ID));
assertTrue(packet.metrics().containsKey(toMetricId("3")));
// Non-existent metric not added
assertFalse(packet.metrics().containsKey(NON_EXISTENT_ID));
}
}
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