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Reuse JMX Insights in Scraper + Tomcat support (#1485)
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126 changes: 126 additions & 0 deletions
126
...grationTest/java/io/opentelemetry/contrib/jmxscraper/target_systems/MetricAssertions.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package io.opentelemetry.contrib.jmxscraper.target_systems; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.assertj.core.api.Assertions.entry; | ||
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| import io.opentelemetry.proto.common.v1.KeyValue; | ||
| import io.opentelemetry.proto.metrics.v1.Metric; | ||
| import io.opentelemetry.proto.metrics.v1.NumberDataPoint; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.function.Consumer; | ||
| import java.util.stream.Collectors; | ||
| import org.assertj.core.api.MapAssert; | ||
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| /** Metrics assertions */ | ||
| class MetricAssertions { | ||
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| private MetricAssertions() {} | ||
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| static void assertGauge(Metric metric, String name, String description, String unit) { | ||
| assertThat(metric.getName()).isEqualTo(name); | ||
| assertThat(metric.getDescription()).isEqualTo(description); | ||
| assertThat(metric.getUnit()).isEqualTo(unit); | ||
| assertThat(metric.hasGauge()).isTrue(); | ||
| assertThat(metric.getGauge().getDataPointsList()) | ||
| .satisfiesExactly(point -> assertThat(point.getAttributesList()).isEmpty()); | ||
| } | ||
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| static void assertSum(Metric metric, String name, String description, String unit) { | ||
| assertSum(metric, name, description, unit, /* isMonotonic= */ true); | ||
| } | ||
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| static void assertSum( | ||
| Metric metric, String name, String description, String unit, boolean isMonotonic) { | ||
| assertThat(metric.getName()).isEqualTo(name); | ||
| assertThat(metric.getDescription()).isEqualTo(description); | ||
| assertThat(metric.getUnit()).isEqualTo(unit); | ||
| assertThat(metric.hasSum()).isTrue(); | ||
| assertThat(metric.getSum().getDataPointsList()) | ||
| .satisfiesExactly(point -> assertThat(point.getAttributesList()).isEmpty()); | ||
| assertThat(metric.getSum().getIsMonotonic()).isEqualTo(isMonotonic); | ||
| } | ||
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| static void assertTypedGauge( | ||
| Metric metric, String name, String description, String unit, List<String> types) { | ||
| assertThat(metric.getName()).isEqualTo(name); | ||
| assertThat(metric.getDescription()).isEqualTo(description); | ||
| assertThat(metric.getUnit()).isEqualTo(unit); | ||
| assertThat(metric.hasGauge()).isTrue(); | ||
| assertTypedPoints(metric.getGauge().getDataPointsList(), types); | ||
| } | ||
|
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| static void assertTypedSum( | ||
| Metric metric, String name, String description, String unit, List<String> types) { | ||
| assertThat(metric.getName()).isEqualTo(name); | ||
| assertThat(metric.getDescription()).isEqualTo(description); | ||
| assertThat(metric.getUnit()).isEqualTo(unit); | ||
| assertThat(metric.hasSum()).isTrue(); | ||
| assertTypedPoints(metric.getSum().getDataPointsList(), types); | ||
| } | ||
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| @SafeVarargs | ||
| static void assertSumWithAttributes( | ||
| Metric metric, | ||
| String name, | ||
| String description, | ||
| String unit, | ||
| Consumer<MapAssert<String, String>>... attributeGroupAssertions) { | ||
| assertThat(metric.getName()).isEqualTo(name); | ||
| assertThat(metric.getDescription()).isEqualTo(description); | ||
| assertThat(metric.getUnit()).isEqualTo(unit); | ||
| assertThat(metric.hasSum()).isTrue(); | ||
| assertAttributedPoints(metric.getSum().getDataPointsList(), attributeGroupAssertions); | ||
| } | ||
|
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| @SafeVarargs | ||
| static void assertGaugeWithAttributes( | ||
| Metric metric, | ||
| String name, | ||
| String description, | ||
| String unit, | ||
| Consumer<MapAssert<String, String>>... attributeGroupAssertions) { | ||
| assertThat(metric.getName()).isEqualTo(name); | ||
| assertThat(metric.getDescription()).isEqualTo(description); | ||
| assertThat(metric.getUnit()).isEqualTo(unit); | ||
| assertThat(metric.hasGauge()).isTrue(); | ||
| assertAttributedPoints(metric.getGauge().getDataPointsList(), attributeGroupAssertions); | ||
| } | ||
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| @SuppressWarnings("unchecked") | ||
| private static void assertTypedPoints(List<NumberDataPoint> points, List<String> types) { | ||
| Consumer<MapAssert<String, String>>[] assertions = | ||
| types.stream() | ||
| .map( | ||
| type -> | ||
| (Consumer<MapAssert<String, String>>) | ||
| attrs -> attrs.containsOnly(entry("name", type))) | ||
| .toArray(Consumer[]::new); | ||
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| assertAttributedPoints(points, assertions); | ||
| } | ||
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| @SuppressWarnings("unchecked") | ||
| private static void assertAttributedPoints( | ||
| List<NumberDataPoint> points, | ||
| Consumer<MapAssert<String, String>>... attributeGroupAssertions) { | ||
| Consumer<Map<String, String>>[] assertions = | ||
| Arrays.stream(attributeGroupAssertions) | ||
| .map(assertion -> (Consumer<Map<String, String>>) m -> assertion.accept(assertThat(m))) | ||
| .toArray(Consumer[]::new); | ||
| assertThat(points) | ||
| .extracting( | ||
| numberDataPoint -> | ||
| numberDataPoint.getAttributesList().stream() | ||
| .collect( | ||
| Collectors.toMap( | ||
| KeyValue::getKey, keyValue -> keyValue.getValue().getStringValue()))) | ||
| .satisfiesExactlyInAnyOrder(assertions); | ||
| } | ||
| } |
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