add test

Author: zeitlinger

testing-common/src/main/java/io/opentelemetry/instrumentation/testing/provider/TestBridgeLogRecordExporterComponentProvider.java

@@ -8,6 +8,7 @@
 import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
 import io.opentelemetry.sdk.logs.export.LogRecordExporter;
+import java.util.Objects;
 
 public class TestBridgeLogRecordExporterComponentProvider
     implements ComponentProvider<LogRecordExporter> {
@@ -26,7 +27,8 @@ public String getName() {
 
   @Override
   public LogRecordExporter create(DeclarativeConfigProperties config) {
-    return logRecordExporter;
+    return Objects.requireNonNull(
+        logRecordExporter, "logRecordExporter must not be null");
   }
 
   public static void setLogRecordExporter(LogRecordExporter logRecordExporter) {

testing-common/src/main/java/io/opentelemetry/instrumentation/testing/provider/TestBridgeMetricExporterComponentProvider.java

@@ -8,6 +8,7 @@
 import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
 import io.opentelemetry.sdk.metrics.export.MetricExporter;
+import java.util.Objects;
 
 public class TestBridgeMetricExporterComponentProvider
     implements ComponentProvider<MetricExporter> {
@@ -26,7 +27,8 @@ public String getName() {
 
   @Override
   public MetricExporter create(DeclarativeConfigProperties config) {
-    return metricExporter;
+    return Objects.requireNonNull(
+        metricExporter, "metricExporter must not be null");
   }
 
   public static void setMetricExporter(MetricExporter metricExporter) {

testing-common/src/main/java/io/opentelemetry/instrumentation/testing/provider/TestBridgeSpanExporterComponentProvider.java

@@ -8,6 +8,7 @@
 import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
 import io.opentelemetry.sdk.trace.export.SpanExporter;
+import java.util.Objects;
 
 public class TestBridgeSpanExporterComponentProvider implements ComponentProvider<SpanExporter> {
 
@@ -25,7 +26,8 @@ public String getName() {
 
   @Override
   public SpanExporter create(DeclarativeConfigProperties config) {
-    return spanExporter;
+    return Objects.requireNonNull(
+        spanExporter, "spanExporter must not be null");
   }
 
   public static void setSpanExporter(SpanExporter spanExporter) {

testing/agent-exporter/src/main/java/io/opentelemetry/javaagent/testing/provider/TestBridgeLogRecordExporterComponentProvider.java

@@ -8,6 +8,7 @@
 import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
 import io.opentelemetry.sdk.logs.export.LogRecordExporter;
+import java.util.Objects;
 
 public class TestBridgeLogRecordExporterComponentProvider
     implements ComponentProvider<LogRecordExporter> {
@@ -26,7 +27,7 @@ public String getName() {
 
   @Override
   public LogRecordExporter create(DeclarativeConfigProperties config) {
-    return logRecordExporter;
+    return Objects.requireNonNull(logRecordExporter, "logRecordExporter must not be null");
   }
 
   public static void setLogRecordExporter(LogRecordExporter logRecordExporter) {

testing/agent-exporter/src/main/java/io/opentelemetry/javaagent/testing/provider/TestBridgeMetricExporterComponentProvider.java

@@ -8,6 +8,7 @@
 import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
 import io.opentelemetry.sdk.metrics.export.MetricExporter;
+import java.util.Objects;
 
 public class TestBridgeMetricExporterComponentProvider
     implements ComponentProvider<MetricExporter> {
@@ -26,7 +27,7 @@ public String getName() {
 
   @Override
   public MetricExporter create(DeclarativeConfigProperties config) {
-    return metricExporter;
+    return Objects.requireNonNull(metricExporter, "metricExporter must not be null");
   }
 
   public static void setMetricExporter(MetricExporter metricExporter) {

testing/agent-exporter/src/main/java/io/opentelemetry/javaagent/testing/provider/TestBridgeSpanExporterComponentProvider.java

@@ -8,6 +8,7 @@
 import io.opentelemetry.api.incubator.config.DeclarativeConfigProperties;
 import io.opentelemetry.sdk.autoconfigure.spi.internal.ComponentProvider;
 import io.opentelemetry.sdk.trace.export.SpanExporter;
+import java.util.Objects;
 
 public class TestBridgeSpanExporterComponentProvider implements ComponentProvider<SpanExporter> {
 
@@ -25,7 +26,8 @@ public String getName() {
 
   @Override
   public SpanExporter create(DeclarativeConfigProperties config) {
-    return spanExporter;
+    return Objects.requireNonNull(
+        spanExporter, "spanExporter must not be null");
   }
 
   public static void setSpanExporter(SpanExporter spanExporter) {