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SdkMeterProviderTest.java
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SdkMeterProviderTest.java
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/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
package io.opentelemetry.sdk.metrics;
import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.attributeEntry;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.when;
import io.github.netmikey.logunit.api.LogCapturer;
import io.opentelemetry.api.baggage.Baggage;
import io.opentelemetry.api.common.AttributeKey;
import io.opentelemetry.api.common.Attributes;
import io.opentelemetry.api.metrics.DoubleCounter;
import io.opentelemetry.api.metrics.DoubleHistogram;
import io.opentelemetry.api.metrics.DoubleUpDownCounter;
import io.opentelemetry.api.metrics.LongCounter;
import io.opentelemetry.api.metrics.LongHistogram;
import io.opentelemetry.api.metrics.LongUpDownCounter;
import io.opentelemetry.api.metrics.Meter;
import io.opentelemetry.api.metrics.MeterProvider;
import io.opentelemetry.api.metrics.ObservableLongCounter;
import io.opentelemetry.api.metrics.ObservableLongMeasurement;
import io.opentelemetry.context.Context;
import io.opentelemetry.context.Scope;
import io.opentelemetry.sdk.common.CompletableResultCode;
import io.opentelemetry.sdk.common.InstrumentationScopeInfo;
import io.opentelemetry.sdk.metrics.data.MetricData;
import io.opentelemetry.sdk.metrics.export.MetricReader;
import io.opentelemetry.sdk.metrics.internal.SdkMeterProviderUtil;
import io.opentelemetry.sdk.metrics.internal.view.ViewRegistry;
import io.opentelemetry.sdk.resources.Resource;
import io.opentelemetry.sdk.testing.exporter.InMemoryMetricReader;
import io.opentelemetry.sdk.testing.time.TestClock;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.api.extension.RegisterExtension;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
@ExtendWith(MockitoExtension.class)
class SdkMeterProviderTest {
private static final Resource RESOURCE =
Resource.create(Attributes.of(AttributeKey.stringKey("resource_key"), "resource_value"));
private static final InstrumentationScopeInfo INSTRUMENTATION_SCOPE_INFO =
InstrumentationScopeInfo.create(SdkMeterProviderTest.class.getName());
@RegisterExtension LogCapturer logs = LogCapturer.create().captureForType(ViewRegistry.class);
private final TestClock testClock = TestClock.create();
private final SdkMeterProviderBuilder sdkMeterProviderBuilder =
SdkMeterProvider.builder().setClock(testClock).setResource(RESOURCE);
@Mock MetricReader metricReader;
@Test
void noopImplementationWithNoReaders() {
SdkMeterProvider meterProvider = sdkMeterProviderBuilder.build();
assertThat(meterProvider.meterBuilder("test"))
.isSameAs(MeterProvider.noop().meterBuilder("test"));
assertThat(meterProvider.get("test")).isSameAs(MeterProvider.noop().get("test"));
assertThat(meterProvider.forceFlush().isSuccess()).isTrue();
assertThat(meterProvider.shutdown().isSuccess()).isTrue();
}
@Test
void defaultMeterName() {
SdkMeterProvider sdkMeterProvider =
sdkMeterProviderBuilder.registerMetricReader(InMemoryMetricReader.create()).build();
assertThat(sdkMeterProvider.get(null)).isSameAs(sdkMeterProvider.get("unknown"));
}
@Test
void collectAllSyncInstruments() {
InMemoryMetricReader sdkMeterReader = InMemoryMetricReader.create();
SdkMeterProvider sdkMeterProvider =
sdkMeterProviderBuilder.registerMetricReader(sdkMeterReader).build();
Meter sdkMeter = sdkMeterProvider.get(SdkMeterProviderTest.class.getName());
LongCounter longCounter = sdkMeter.counterBuilder("testLongCounter").build();
longCounter.add(10, Attributes.empty());
LongUpDownCounter longUpDownCounter =
sdkMeter.upDownCounterBuilder("testLongUpDownCounter").build();
longUpDownCounter.add(-10, Attributes.empty());
LongHistogram longValueRecorder =
sdkMeter.histogramBuilder("testLongHistogram").ofLongs().build();
longValueRecorder.record(10, Attributes.empty());
DoubleCounter doubleCounter = sdkMeter.counterBuilder("testDoubleCounter").ofDoubles().build();
doubleCounter.add(10.1, Attributes.empty());
DoubleUpDownCounter doubleUpDownCounter =
sdkMeter.upDownCounterBuilder("testDoubleUpDownCounter").ofDoubles().build();
doubleUpDownCounter.add(-10.1, Attributes.empty());
DoubleHistogram doubleValueRecorder = sdkMeter.histogramBuilder("testDoubleHistogram").build();
doubleValueRecorder.record(10.1, Attributes.empty());
assertThat(sdkMeterReader.collectAllMetrics())
.allSatisfy(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasInstrumentationScope(INSTRUMENTATION_SCOPE_INFO)
.hasDescription("")
.hasUnit(""))
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasName("testDoubleHistogram")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasCount(1)
.hasSum(10.1)
.hasBucketCounts(
0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0))),
metric ->
assertThat(metric)
.hasName("testDoubleCounter")
.hasDoubleSumSatisfying(
sum ->
sum.isMonotonic()
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(10.1))),
metric ->
assertThat(metric)
.hasName("testLongHistogram")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasCount(1)
.hasSum(10)
.hasBucketCounts(
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0))),
metric ->
assertThat(metric)
.hasName("testLongUpDownCounter")
.hasLongSumSatisfying(
sum ->
sum.isNotMonotonic()
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(-10))),
metric ->
assertThat(metric)
.hasName("testLongCounter")
.hasLongSumSatisfying(
sum ->
sum.isMonotonic()
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(10))),
metric ->
assertThat(metric)
.hasName("testDoubleUpDownCounter")
.hasDoubleSumSatisfying(
sum ->
sum.isNotMonotonic()
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(-10.1))));
}
@Test
void collectAllSyncInstruments_OverwriteTemporality() {
sdkMeterProviderBuilder.registerView(
InstrumentSelector.builder().setType(InstrumentType.COUNTER).build(),
View.builder()
.setAggregation(Aggregation.explicitBucketHistogram(Collections.emptyList()))
.build());
InMemoryMetricReader sdkMeterReader = InMemoryMetricReader.createDelta();
SdkMeterProvider sdkMeterProvider =
sdkMeterProviderBuilder.registerMetricReader(sdkMeterReader).build();
Meter sdkMeter = sdkMeterProvider.get(SdkMeterProviderTest.class.getName());
LongCounter longCounter = sdkMeter.counterBuilder("testLongCounter").build();
longCounter.add(10, Attributes.empty());
testClock.advance(Duration.ofSeconds(1));
assertThat(sdkMeterReader.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasInstrumentationScope(INSTRUMENTATION_SCOPE_INFO)
.hasName("testLongCounter")
.hasHistogramSatisfying(
histogram ->
histogram
.isDelta()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now() - 1000000000)
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasBucketCounts(1))));
longCounter.add(10, Attributes.empty());
testClock.advance(Duration.ofSeconds(1));
assertThat(sdkMeterReader.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasInstrumentationScope(INSTRUMENTATION_SCOPE_INFO)
.hasHistogramSatisfying(
histogram ->
histogram
.isDelta()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now() - 1000000000)
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasBucketCounts(1))));
}
@Test
void collectAllSyncInstruments_DeltaHistogram() {
registerViewForAllTypes(
sdkMeterProviderBuilder, Aggregation.explicitBucketHistogram(Collections.emptyList()));
InMemoryMetricReader sdkMeterReader = InMemoryMetricReader.createDelta();
SdkMeterProvider sdkMeterProvider =
sdkMeterProviderBuilder.registerMetricReader(sdkMeterReader).build();
Meter sdkMeter = sdkMeterProvider.get(SdkMeterProviderTest.class.getName());
LongCounter longCounter = sdkMeter.counterBuilder("testLongCounter").build();
longCounter.add(10, Attributes.empty());
LongHistogram longHistogram = sdkMeter.histogramBuilder("testLongHistogram").ofLongs().build();
longHistogram.record(10, Attributes.empty());
DoubleCounter doubleCounter = sdkMeter.counterBuilder("testDoubleCounter").ofDoubles().build();
doubleCounter.add(10, Attributes.empty());
DoubleHistogram doubleHistogram = sdkMeter.histogramBuilder("testDoubleHistogram").build();
doubleHistogram.record(10, Attributes.empty());
testClock.advance(Duration.ofSeconds(1));
assertThat(sdkMeterReader.collectAllMetrics())
.allSatisfy(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasInstrumentationScope(INSTRUMENTATION_SCOPE_INFO)
.hasDescription("")
.hasUnit("")
.hasHistogramSatisfying(
histogram ->
histogram
.isDelta()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now() - 1000000000)
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasBucketCounts(1))))
.extracting(MetricData::getName)
.containsExactlyInAnyOrder(
"testLongCounter", "testDoubleCounter", "testLongHistogram", "testDoubleHistogram");
testClock.advance(Duration.ofSeconds(1));
longCounter.add(10, Attributes.empty());
longHistogram.record(10, Attributes.empty());
doubleCounter.add(10, Attributes.empty());
doubleHistogram.record(10, Attributes.empty());
assertThat(sdkMeterReader.collectAllMetrics())
.allSatisfy(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasInstrumentationScope(INSTRUMENTATION_SCOPE_INFO)
.hasDescription("")
.hasUnit("")
.hasHistogramSatisfying(
histogram ->
histogram
.isDelta()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now() - 1000000000)
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasBucketCounts(1))))
.extracting(MetricData::getName)
.containsExactlyInAnyOrder(
"testLongCounter", "testDoubleCounter", "testLongHistogram", "testDoubleHistogram");
}
@Test
void collectAllAsyncInstruments() {
InMemoryMetricReader sdkMeterReader = InMemoryMetricReader.create();
SdkMeterProvider sdkMeterProvider =
sdkMeterProviderBuilder.registerMetricReader(sdkMeterReader).build();
Meter sdkMeter = sdkMeterProvider.get(SdkMeterProviderTest.class.getName());
sdkMeter
.counterBuilder("testLongSumObserver")
.buildWithCallback(longResult -> longResult.record(10, Attributes.empty()));
sdkMeter
.upDownCounterBuilder("testLongUpDownSumObserver")
.buildWithCallback(longResult -> longResult.record(-10, Attributes.empty()));
sdkMeter
.gaugeBuilder("testLongValueObserver")
.ofLongs()
.buildWithCallback(longResult -> longResult.record(10, Attributes.empty()));
sdkMeter
.counterBuilder("testDoubleSumObserver")
.ofDoubles()
.buildWithCallback(doubleResult -> doubleResult.record(10.1, Attributes.empty()));
sdkMeter
.upDownCounterBuilder("testDoubleUpDownSumObserver")
.ofDoubles()
.buildWithCallback(doubleResult -> doubleResult.record(-10.1, Attributes.empty()));
sdkMeter
.gaugeBuilder("testDoubleValueObserver")
.buildWithCallback(doubleResult -> doubleResult.record(10.1, Attributes.empty()));
assertThat(sdkMeterReader.collectAllMetrics())
.allSatisfy(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasInstrumentationScope(INSTRUMENTATION_SCOPE_INFO)
.hasDescription("")
.hasUnit(""))
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasName("testLongSumObserver")
.hasLongSumSatisfying(
sum ->
sum.isMonotonic()
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(10))),
metric ->
assertThat(metric)
.hasName("testDoubleSumObserver")
.hasDoubleSumSatisfying(
sum ->
sum.isMonotonic()
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(10.1))),
metric ->
assertThat(metric)
.hasName("testLongUpDownSumObserver")
.hasLongSumSatisfying(
sum ->
sum.isNotMonotonic()
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(-10))),
metric ->
assertThat(metric)
.hasName("testDoubleUpDownSumObserver")
.hasDoubleSumSatisfying(
sum ->
sum.isNotMonotonic()
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(-10.1))),
metric ->
assertThat(metric)
.hasName("testLongValueObserver")
.hasLongGaugeSatisfying(
gauge ->
gauge.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(10))),
metric ->
assertThat(metric)
.hasName("testDoubleValueObserver")
.hasDoubleGaugeSatisfying(
gauge ->
gauge.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(testClock.now())
.hasEpochNanos(testClock.now())
.hasAttributes(Attributes.empty())
.hasValue(10.1))));
}
@Test
void removeAsyncInstrument() {
InMemoryMetricReader reader = InMemoryMetricReader.create();
Meter meter =
sdkMeterProviderBuilder.registerMetricReader(reader).build().get(getClass().getName());
ObservableLongCounter observableCounter1 =
meter
.counterBuilder("foo")
.buildWithCallback(
measurement ->
measurement.record(10, Attributes.builder().put("callback", "one").build()));
ObservableLongCounter observableCounter2 =
meter
.counterBuilder("foo")
.buildWithCallback(
measurement ->
measurement.record(10, Attributes.builder().put("callback", "two").build()));
assertThat(reader.collectAllMetrics())
.hasSize(1)
.satisfiesExactly(
metricData ->
assertThat(metricData)
.hasLongSumSatisfying(
sum ->
sum.hasPointsSatisfying(
point -> point.hasAttributes(attributeEntry("callback", "one")),
point -> point.hasAttributes(attributeEntry("callback", "two")))));
observableCounter1.close();
assertThat(reader.collectAllMetrics())
.hasSize(1)
.satisfiesExactly(
metricData ->
assertThat(metricData)
.hasLongSumSatisfying(
sum ->
sum.hasPointsSatisfying(
point -> point.hasAttributes(attributeEntry("callback", "two")))));
observableCounter2.close();
assertThat(reader.collectAllMetrics()).hasSize(0);
}
@Test
void collectAllMetrics_NoConcurrentCalls()
throws ExecutionException, InterruptedException, TimeoutException {
InMemoryMetricReader reader1 = InMemoryMetricReader.create();
InMemoryMetricReader reader2 = InMemoryMetricReader.create();
SdkMeterProvider meterProvider =
sdkMeterProviderBuilder.registerMetricReader(reader1).registerMetricReader(reader2).build();
AtomicBoolean inProgress = new AtomicBoolean(false);
// Callback records if not called concurrently
Consumer<ObservableLongMeasurement> callback =
measurement -> {
if (inProgress.compareAndSet(false, true)) {
measurement.record(1);
}
try {
Thread.sleep(100);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
inProgress.set(false);
};
meterProvider.get("meter").counterBuilder("counter").buildWithCallback(callback);
List<Future<?>> futures = new ArrayList<>();
List<MetricData> allMetricData = new ArrayList<>();
ExecutorService executorService = Executors.newFixedThreadPool(4);
try {
futures.add(executorService.submit(() -> allMetricData.addAll(reader1.collectAllMetrics())));
futures.add(executorService.submit(() -> allMetricData.addAll(reader1.collectAllMetrics())));
futures.add(executorService.submit(() -> allMetricData.addAll(reader2.collectAllMetrics())));
futures.add(executorService.submit(() -> allMetricData.addAll(reader2.collectAllMetrics())));
for (Future<?> future : futures) {
future.get(10, TimeUnit.SECONDS);
}
// If callback is in invoked concurrently, only one metric data will be reported
assertThat(allMetricData)
.hasSize(4)
.allSatisfy(
metricData ->
assertThat(metricData)
.hasInstrumentationScope(InstrumentationScopeInfo.create("meter"))
.hasLongSumSatisfying(
sum -> sum.hasPointsSatisfying(point -> point.hasValue(1))));
} finally {
executorService.shutdown();
}
}
@Test
void viewSdk_filterAttributes() {
InMemoryMetricReader reader = InMemoryMetricReader.create();
SdkMeterProvider provider =
sdkMeterProviderBuilder
.registerMetricReader(reader)
.registerView(
InstrumentSelector.builder().setName("test").build(),
View.builder().setAttributeFilter(name -> name.equals("allowed")).build())
.build();
Meter meter = provider.get(SdkMeterProviderTest.class.getName());
meter
.gaugeBuilder("test")
.setDescription("desc")
.setUnit("unit")
.buildWithCallback(
o ->
o.record(
1,
Attributes.builder().put("allowed", "bear").put("not allowed", "dog").build()));
assertThat(reader.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasDoubleGaugeSatisfying(
gauge ->
gauge.hasPointsSatisfying(
point -> point.hasAttributes(attributeEntry("allowed", "bear")))));
}
@Test
void viewSdk_AllowRenames() {
InMemoryMetricReader reader = InMemoryMetricReader.create();
SdkMeterProvider provider =
sdkMeterProviderBuilder
.registerMetricReader(reader)
.registerView(
InstrumentSelector.builder().setName("test").build(),
View.builder()
.setName("not_test")
.setDescription("not_desc")
.setAggregation(Aggregation.lastValue())
.build())
.build();
Meter meter = provider.get(SdkMeterProviderTest.class.getName());
meter
.gaugeBuilder("test")
.setDescription("desc")
.setUnit("unit")
.buildWithCallback(o -> o.record(1));
assertThat(reader.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasName("not_test")
.hasDescription("not_desc")
.hasUnit("unit")
.hasDoubleGaugeSatisfying(gauge -> {}));
}
@Test
void viewSdk_AllowMultipleViewsPerSynchronousInstrument() {
InstrumentSelector selector = InstrumentSelector.builder().setName("test").build();
InMemoryMetricReader reader = InMemoryMetricReader.create();
SdkMeterProvider provider =
sdkMeterProviderBuilder
.registerMetricReader(reader)
.registerView(
selector,
View.builder()
.setName("not_test")
.setDescription("not_desc")
.setAggregation(Aggregation.explicitBucketHistogram(Collections.emptyList()))
.build())
.registerView(
selector,
View.builder()
.setName("not_test_2")
.setDescription("not_desc_2")
.setAggregation(Aggregation.sum())
.build())
.build();
Meter meter = provider.get(SdkMeterProviderTest.class.getName());
DoubleHistogram histogram =
meter.histogramBuilder("test").setDescription("desc").setUnit("unit").build();
histogram.record(1.0);
assertThat(reader.collectAllMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasName("not_test")
.hasDescription("not_desc")
.hasUnit("unit")
.hasHistogramSatisfying(histogramAssert -> {}),
metric ->
assertThat(metric)
.hasName("not_test_2")
.hasDescription("not_desc_2")
.hasUnit("unit")
.hasDoubleSumSatisfying(sum -> {}));
}
@Test
void viewSdk_AllowMultipleViewsPerAsynchronousInstrument() {
InstrumentSelector selector = InstrumentSelector.builder().setName("test").build();
InMemoryMetricReader reader = InMemoryMetricReader.create();
SdkMeterProvider provider =
sdkMeterProviderBuilder
.registerMetricReader(reader)
.registerView(
selector,
View.builder()
.setName("not_test")
.setDescription("not_desc")
.setAggregation(Aggregation.lastValue())
.build())
.registerView(
selector,
View.builder()
.setName("not_test_2")
.setDescription("not_desc_2")
.setAggregation(Aggregation.lastValue())
.build())
.build();
Meter meter = provider.get(SdkMeterProviderTest.class.getName());
meter
.gaugeBuilder("test")
.setDescription("desc")
.setUnit("unit")
.buildWithCallback(obs -> obs.record(1.0));
assertThat(reader.collectAllMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasName("not_test")
.hasDescription("not_desc")
.hasUnit("unit")
.hasDoubleGaugeSatisfying(gauge -> {}),
metric ->
assertThat(metric)
.hasName("not_test_2")
.hasDescription("not_desc_2")
.hasUnit("unit")
.hasDoubleGaugeSatisfying(gauge -> {}));
}
@Test
void viewSdk_capturesBaggageFromContext() {
InstrumentSelector selector =
InstrumentSelector.builder().setType(InstrumentType.COUNTER).setName("test").build();
InMemoryMetricReader reader = InMemoryMetricReader.create();
ViewBuilder viewBuilder = View.builder().setAggregation(Aggregation.sum());
SdkMeterProviderUtil.appendAllBaggageAttributes(viewBuilder);
SdkMeterProvider provider =
sdkMeterProviderBuilder
.registerMetricReader(reader)
.registerView(selector, viewBuilder.build())
.build();
Meter meter = provider.get(SdkMeterProviderTest.class.getName());
Baggage baggage = Baggage.builder().put("baggage", "value").build();
Context context = Context.root().with(baggage);
LongCounter counter = meter.counterBuilder("test").build();
// Make sure whether or not we explicitly pass baggage, all values have it appended.
counter.add(1, Attributes.empty(), context);
// Also check implicit context
try (Scope ignored = context.makeCurrent()) {
counter.add(1, Attributes.empty());
}
// Now make sure all metrics have baggage appended.
// Implicitly we should have ONLY ONE metric data point that has baggage appended.
assertThat(reader.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasName("test")
.hasLongSumSatisfying(
sum ->
sum.isCumulative()
.hasPointsSatisfying(
point ->
point.hasAttributes(attributeEntry("baggage", "value")))));
}
@Test
void sdkMeterProvider_supportsMultipleReadersCumulative() {
InMemoryMetricReader reader1 = InMemoryMetricReader.create();
InMemoryMetricReader reader2 = InMemoryMetricReader.create();
SdkMeterProvider meterProvider =
sdkMeterProviderBuilder.registerMetricReader(reader1).registerMetricReader(reader2).build();
Meter sdkMeter = meterProvider.get(SdkMeterProviderTest.class.getName());
LongCounter counter = sdkMeter.counterBuilder("testSum").build();
long startTime = testClock.now();
Attributes attributes = Attributes.builder().put("key", "value").build();
counter.add(1L);
counter.add(1L, attributes);
testClock.advance(Duration.ofSeconds(1));
assertThat(reader1.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasName("testSum")
.hasLongSumSatisfying(
sum ->
sum.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(1)
.hasAttributes(Attributes.empty()),
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(1)
.hasAttributes(attributes))));
counter.add(1L);
testClock.advance(Duration.ofSeconds(1));
// Reader 2 should see the measurements of Reader 1 plus the additional measurement
assertThat(reader2.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasName("testSum")
.hasLongSumSatisfying(
sum ->
sum.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(2)
.hasAttributes(Attributes.empty()),
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(1)
.hasAttributes(attributes))));
// Reader 1 should see updated cumulative values
assertThat(reader1.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasName("testSum")
.hasLongSumSatisfying(
sum ->
sum.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(2)
.hasAttributes(Attributes.empty()),
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(1)
.hasAttributes(attributes))));
}
@Test
void sdkMeterProvider_supportsMultipleReadersDelta() {
InMemoryMetricReader reader1 = InMemoryMetricReader.createDelta();
InMemoryMetricReader reader2 = InMemoryMetricReader.createDelta();
SdkMeterProvider meterProvider =
sdkMeterProviderBuilder.registerMetricReader(reader1).registerMetricReader(reader2).build();
Meter sdkMeter = meterProvider.get(SdkMeterProviderTest.class.getName());
LongCounter counter = sdkMeter.counterBuilder("testSum").build();
long startTime = testClock.now();
Attributes attributes = Attributes.builder().put("key", "value").build();
counter.add(1L);
counter.add(1L, attributes);
testClock.advance(Duration.ofSeconds(1));
assertThat(reader1.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasName("testSum")
.hasLongSumSatisfying(
sum ->
sum.isDelta()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(1)
.hasAttributes(Attributes.empty()),
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(1)
.hasAttributes(attributes))));
long collectorOneTimeOne = testClock.now();
counter.add(1L);
testClock.advance(Duration.ofSeconds(1));
// Reader 2 should see the measurements of Reader 1 plus the additional measurement
assertThat(reader2.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasName("testSum")
.hasLongSumSatisfying(
sum ->
sum.isDelta()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(2)
.hasAttributes(Attributes.empty()),
point ->
point
.hasStartEpochNanos(startTime)
.hasEpochNanos(testClock.now())
.hasValue(1)
.hasAttributes(attributes))));
// Reader 1 should only see diff since its last collect
assertThat(reader1.collectAllMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasResource(RESOURCE)
.hasName("testSum")
.hasLongSumSatisfying(
sum ->
sum.isDelta()
.hasPointsSatisfying(
point ->
point
.hasStartEpochNanos(collectorOneTimeOne)
.hasEpochNanos(testClock.now())
.hasValue(1))));
}
@Test
void collectAll_DropAggregator() {
InMemoryMetricReader collector = InMemoryMetricReader.create();
Meter meter =
sdkMeterProviderBuilder
.registerView(
InstrumentSelector.builder().setType(InstrumentType.COUNTER).build(),
View.builder().setAggregation(Aggregation.drop()).build())
.registerMetricReader(collector)
.build()
.get("my-meter");
meter.counterBuilder("sync-counter").build().add(1);
meter.counterBuilder("async-counter").buildWithCallback(measurement -> measurement.record(1));
assertThat(collector.collectAllMetrics())
.hasSize(1)
.satisfiesExactly(
metric -> assertThat(metric).hasResource(RESOURCE).hasName("async-counter"));
}
@Test
void shutdown() {
when(metricReader.getDefaultAggregation(any())).thenCallRealMethod();
when(metricReader.shutdown()).thenReturn(CompletableResultCode.ofSuccess());
CompletableResultCode result =
SdkMeterProvider.builder()
.registerMetricReader(metricReader)
.build()
.shutdown()
.join(10, TimeUnit.SECONDS);
assertThat(result.isSuccess()).isTrue();
}
@Test
void resetForTest() {
InMemoryMetricReader reader1 = InMemoryMetricReader.createDelta();
InMemoryMetricReader reader2 = InMemoryMetricReader.create();
SdkMeterProvider meterProvider =
SdkMeterProvider.builder()
.registerMetricReader(reader1)
.registerMetricReader(reader2)
.registerView(
InstrumentSelector.builder().setName("counter").build(),
View.builder().setName("new-counter").build())
.build();
Meter meter = meterProvider.get("meter");
// Create both synchronous and asynchronous instruments
LongCounter counter = meter.counterBuilder("counter").build();
counter.add(1);
meter.counterBuilder("async-counter").buildWithCallback(observable -> observable.record(1));
assertThat(reader1.collectAllMetrics())
.satisfiesExactlyInAnyOrder(
metricData ->
assertThat(metricData)
.hasName("new-counter")
.hasLongSumSatisfying(
sum -> sum.isDelta().hasPointsSatisfying(point -> point.hasValue(1))),
metricData ->
assertThat(metricData)
.hasName("async-counter")
.hasLongSumSatisfying(
sum -> sum.isDelta().hasPointsSatisfying(point -> point.hasValue(1))));
assertThat(reader2.collectAllMetrics())
.satisfiesExactlyInAnyOrder(
metricData ->
assertThat(metricData)
.hasName("new-counter")
.hasLongSumSatisfying(
sum -> sum.isCumulative().hasPointsSatisfying(point -> point.hasValue(1))),
metricData ->
assertThat(metricData)
.hasName("async-counter")
.hasLongSumSatisfying(
sum -> sum.isCumulative().hasPointsSatisfying(point -> point.hasValue(1))));
// Reset the meter provider and confirm empty collections
SdkMeterProviderUtil.resetForTest(meterProvider);
counter.add(1);
assertThat(reader1.collectAllMetrics()).isEmpty();
assertThat(reader2.collectAllMetrics()).isEmpty();
// Create new instruments and confirm valid collections, including view configuration
counter = meter.counterBuilder("counter").build();