Polish #7012

gh-7012

Author: jonatan-ivanov

implementations/micrometer-registry-otlp/src/main/java/io/micrometer/registry/otlp/CompressionMode.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2025 VMware, Inc.
+ * Copyright 2026 VMware, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

implementations/micrometer-registry-otlp/src/main/java/io/micrometer/registry/otlp/OtlpConfig.java

@@ -164,7 +164,7 @@ default AggregationTemporality aggregationTemporality() {
      * {@code OTEL_EXPORTER_OTLP_METRICS_COMPRESSION} when a value is not provided by
      * {@link #get(String)}. If both are set,
      * {@code OTEL_EXPORTER_OTLP_METRICS_COMPRESSION} takes precedence.
-     * @return the compressionMode; default is OFF
+     * @return the compressionMode; default is {@link CompressionMode#NONE}
      * @since 1.17.0
      */
     default CompressionMode compressionMode() {

implementations/micrometer-registry-otlp/src/test/java/io/micrometer/registry/otlp/OTelCollectorIntegrationTest.java

@@ -28,6 +28,8 @@
 
 import java.time.Duration;
 
+import static io.micrometer.registry.otlp.CompressionMode.GZIP;
+import static io.micrometer.registry.otlp.CompressionMode.NONE;
 import static io.restassured.RestAssured.given;
 import static org.awaitility.Awaitility.await;
 import static org.hamcrest.Matchers.*;
@@ -172,30 +174,15 @@ private OtlpMeterRegistry createOtlpMeterRegistryForContainer(GenericContainer<?
 
     private OtlpMeterRegistry createOtlpMeterRegistryForContainerWithGzipCompression(GenericContainer<?> container)
             throws Exception {
-        return withEnvironmentVariables("OTEL_SERVICE_NAME", "test").execute(
-                () -> new OtlpMeterRegistry(createOtlpConfigForContainerWithGzipCompression(container), Clock.SYSTEM));
+        return withEnvironmentVariables("OTEL_SERVICE_NAME", "test")
+            .execute(() -> new OtlpMeterRegistry(createOtlpConfigForContainer(container, GZIP), Clock.SYSTEM));
     }
 
     private OtlpConfig createOtlpConfigForContainer(GenericContainer<?> container) {
-        return new OtlpConfig() {
-            @Override
-            public String url() {
-                return String.format("http://%s:%d/v1/metrics", container.getHost(), container.getMappedPort(4318));
-            }
-
-            @Override
-            public Duration step() {
-                return Duration.ofSeconds(1);
-            }
-
-            @Override
-            public @Nullable String get(String key) {
-                return null;
-            }
-        };
+        return createOtlpConfigForContainer(container, NONE);
     }
 
-    private OtlpConfig createOtlpConfigForContainerWithGzipCompression(GenericContainer<?> container) {
+    private OtlpConfig createOtlpConfigForContainer(GenericContainer<?> container, CompressionMode compressionMode) {
         return new OtlpConfig() {
             @Override
             public String url() {
@@ -209,7 +196,7 @@ public Duration step() {
 
             @Override
             public CompressionMode compressionMode() {
-                return CompressionMode.GZIP;
+                return compressionMode;
             }
 
             @Override