Make testing registry work with exemplars

permutive-engineering · Jul 26, 2023 · 45ee5e5 · 45ee5e5
1 parent 97476e9
commit 45ee5e5
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Showing 3 changed files with 201 additions and 45 deletions.
diff --git a/core/src/main/scala/prometheus4cats/Counter.scala b/core/src/main/scala/prometheus4cats/Counter.scala
@@ -70,7 +70,7 @@ object Counter {
     override def inc(n: A): F[Unit] = Applicative[F].unit
   }
 
-  sealed abstract class Exemplar[F[_], -A] { self =>
+  sealed abstract class Exemplar[F[_], -A] extends Metric[A] { self =>
     def inc: F[Unit]
     def incWithExemplar: F[Unit]
     def inc(n: A): F[Unit]

diff --git a/core/src/main/scala/prometheus4cats/MetricRegistry.scala b/core/src/main/scala/prometheus4cats/MetricRegistry.scala
@@ -1166,7 +1166,7 @@ object MetricRegistry {
       }
   }
 
-  def noop[F[_]: Applicative]: WithExemplars[F] = WithExemplars.noop[F]
+  def noop[F[_]: Applicative]: MetricRegistry[F] = WithExemplars.noop[F]
 
   private[prometheus4cats] def mapK[F[_], G[_]](
       self: MetricRegistry[F],