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102
oteljava/all/src/test/scala/org/typelevel/otel4s/oteljava/metrics/CounterSuite.scala
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| /* | ||
| * Copyright 2022 Typelevel | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.typelevel.otel4s | ||
| package oteljava | ||
| package metrics | ||
|
|
||
| import cats.effect.IO | ||
| import cats.effect.Resource | ||
| import io.opentelemetry.sdk.metrics._ | ||
| import munit.CatsEffectSuite | ||
| import org.typelevel.otel4s.oteljava.testkit.InstrumentationScope | ||
| import org.typelevel.otel4s.oteljava.testkit.TelemetryResource | ||
| import org.typelevel.otel4s.oteljava.testkit.metrics.TestkitMetrics | ||
|
|
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| import scala.jdk.CollectionConverters._ | ||
|
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| class CounterSuite extends CatsEffectSuite { | ||
|
|
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| test("Counter record a proper data") { | ||
| makeSdk.use { sdk => | ||
| for { | ||
| meter <- sdk.meterProvider | ||
| .meter("java.otel.suite") | ||
| .withVersion("1.0") | ||
| .withSchemaUrl("https://localhost:8080") | ||
| .get | ||
|
|
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| counter <- meter | ||
| .counter[Long]("counter") | ||
| .withUnit("unit") | ||
| .withDescription("description") | ||
| .create | ||
|
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| _ <- counter.add(1L, Attribute("string-attribute", "value")) | ||
|
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| metrics <- sdk.metrics | ||
| } yield { | ||
| val resourceAttributes = Attributes( | ||
| Attribute("service.name", "unknown_service:java"), | ||
| Attribute("telemetry.sdk.language", "java"), | ||
| Attribute("telemetry.sdk.name", "opentelemetry"), | ||
| Attribute("telemetry.sdk.version", BuildInfo.openTelemetrySdkVersion) | ||
| ) | ||
|
|
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| val scope = InstrumentationScope( | ||
| name = "java.otel.suite", | ||
| version = Some("1.0"), | ||
| schemaUrl = Some("https://localhost:8080"), | ||
| attributes = Attributes.empty | ||
| ) | ||
|
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| assertEquals(metrics.map(_.name), List("counter")) | ||
| assertEquals(metrics.map(_.description), List(Some("description"))) | ||
| assertEquals(metrics.map(_.unit), List(Some("unit"))) | ||
| assertEquals( | ||
| metrics.map(_.resource), | ||
| List(TelemetryResource(resourceAttributes, None)) | ||
| ) | ||
| assertEquals(metrics.map(_.scope), List(scope)) | ||
| assertEquals[List[Any], List[Any]]( | ||
| metrics.map(_.data.points.map(_.value)), | ||
| List(List(1L)) | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
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| private def makeSdk: Resource[IO, TestkitMetrics[IO]] = { | ||
| def customize(builder: SdkMeterProviderBuilder): SdkMeterProviderBuilder = | ||
| builder.registerView( | ||
| InstrumentSelector.builder().setType(InstrumentType.HISTOGRAM).build(), | ||
| View | ||
| .builder() | ||
| .setAggregation( | ||
| Aggregation.explicitBucketHistogram( | ||
| HistogramBuckets.map(Double.box).asJava | ||
| ) | ||
| ) | ||
| .build() | ||
| ) | ||
|
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| TestkitMetrics.inMemory[IO](customize) | ||
| } | ||
|
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| private val HistogramBuckets: List[Double] = | ||
| List(0.01, 1, 100) | ||
|
|
||
| } |
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