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Merge pull request #795 from iRevive/core-trace/macro-empty-varargs
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104 changes: 104 additions & 0 deletions
104
core/trace/src/test/scala/org/typelevel/otel4s/trace/SpanSuite.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.typelevel.otel4s.trace | ||
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| import cats.effect.IO | ||
| import cats.effect.Ref | ||
| import munit._ | ||
| import org.typelevel.otel4s.Attribute | ||
| import org.typelevel.otel4s.meta.InstrumentMeta | ||
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| import scala.collection.immutable | ||
| import scala.concurrent.duration.FiniteDuration | ||
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| class SpanSuite extends CatsEffectSuite { | ||
| import SpanSuite._ | ||
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| test("addAttributes: eliminate empty varargs calls") { | ||
| for { | ||
| ops <- IO.ref(Vector.empty[BackendOp]) | ||
| span = Span.fromBackend(new OpsBackend(ops)) | ||
| _ <- span.addAttributes() | ||
| result <- ops.get | ||
| } yield assertEquals(result, Vector.empty) | ||
| } | ||
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| } | ||
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| object SpanSuite { | ||
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| private sealed trait BackendOp | ||
| private object BackendOp { | ||
| final case class UpdateName(name: String) extends BackendOp | ||
| final case class AddAttributes(attributes: immutable.Iterable[Attribute[_]]) extends BackendOp | ||
| final case class AddEvent( | ||
| name: String, | ||
| timestamp: Option[FiniteDuration], | ||
| attributes: immutable.Iterable[Attribute[_]] | ||
| ) extends BackendOp | ||
| final case class AddLink( | ||
| spanContext: SpanContext, | ||
| attributes: immutable.Iterable[Attribute[_]] | ||
| ) extends BackendOp | ||
| final case class RecordException( | ||
| exception: Throwable, | ||
| attributes: immutable.Iterable[Attribute[_]] | ||
| ) extends BackendOp | ||
| final case class SetStatus(status: StatusCode, description: Option[String]) extends BackendOp | ||
| final case class End(timestamp: Option[FiniteDuration]) extends BackendOp | ||
| } | ||
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| private class OpsBackend(state: Ref[IO, Vector[BackendOp]]) extends Span.Backend[IO] { | ||
| import BackendOp._ | ||
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| val meta: InstrumentMeta[IO] = InstrumentMeta.enabled | ||
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| def context: SpanContext = ??? | ||
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| def updateName(name: String): IO[Unit] = | ||
| state.update(_ :+ UpdateName(name)) | ||
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| def addAttributes(attributes: immutable.Iterable[Attribute[_]]): IO[Unit] = | ||
| state.update(_ :+ AddAttributes(attributes)) | ||
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| def addEvent(name: String, attributes: immutable.Iterable[Attribute[_]]): IO[Unit] = | ||
| state.update(_ :+ AddEvent(name, None, attributes)) | ||
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| def addEvent(name: String, timestamp: FiniteDuration, attributes: immutable.Iterable[Attribute[_]]): IO[Unit] = | ||
| state.update(_ :+ AddEvent(name, Some(timestamp), attributes)) | ||
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| def addLink(spanContext: SpanContext, attributes: immutable.Iterable[Attribute[_]]): IO[Unit] = | ||
| state.update(_ :+ AddLink(spanContext, attributes)) | ||
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| def recordException(exception: Throwable, attributes: immutable.Iterable[Attribute[_]]): IO[Unit] = | ||
| state.update(_ :+ RecordException(exception, attributes)) | ||
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| def setStatus(status: StatusCode): IO[Unit] = | ||
| state.update(_ :+ SetStatus(status, None)) | ||
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| def setStatus(status: StatusCode, description: String): IO[Unit] = | ||
| state.update(_ :+ SetStatus(status, Some(description))) | ||
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| def end: IO[Unit] = | ||
| state.update(_ :+ End(None)) | ||
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| def end(timestamp: FiniteDuration): IO[Unit] = | ||
| state.update(_ :+ End(Some(timestamp))) | ||
|
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| } | ||
|
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| } |
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