content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.instrumentation.api.semconv.network;
  
  import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
  import static io.opentelemetry.semconv.ClientAttributes.CLIENT_ADDRESS;
  import static io.opentelemetry.semconv.ClientAttributes.CLIENT_PORT;
  import static java.util.Collections.emptyMap;
  import static org.assertj.core.api.Assertions.entry;
  
  import io.opentelemetry.api.common.Attributes;
  import io.opentelemetry.api.common.AttributesBuilder;
  import io.opentelemetry.context.Context;
  import io.opentelemetry.instrumentation.api.instrumenter.AttributesExtractor;
  import java.util.HashMap;
  import java.util.Map;
  import javax.annotation.Nullable;
  import org.junit.jupiter.api.Test;
  
  class ClientAttributesExtractorTest {
  
    static class TestClientAttributesGetter implements ClientAttributesGetter<Map<String, String>> {
  
      @Nullable
      @Override
      public String getClientAddress(Map<String, String> request) {
        return request.get("address");
      }
  
      @Nullable
      @Override
      public Integer getClientPort(Map<String, String> request) {
        String value = request.get("port");
        return value == null ? null : Integer.parseInt(value);
      }
    }
  
    @Test
    void allAttributes() {
      Map<String, String> request = new HashMap<>();
      request.put("address", "opentelemetry.io");
      request.put("port", "80");
  
      AttributesExtractor<Map<String, String>, Void> extractor =
          ClientAttributesExtractor.create(new TestClientAttributesGetter());
  
      AttributesBuilder startAttributes = Attributes.builder();
      extractor.onStart(startAttributes, Context.root(), request);
      assertThat(startAttributes.build())
          .containsOnly(entry(CLIENT_ADDRESS, "opentelemetry.io"), entry(CLIENT_PORT, 80L));
  
      AttributesBuilder endAttributes = Attributes.builder();
      extractor.onEnd(endAttributes, Context.root(), request, null, null);
      assertThat(endAttributes.build()).isEmpty();
    }
  
    @Test
    void noAttributes() {
      AttributesExtractor<Map<String, String>, Void> extractor =
          ClientAttributesExtractor.create(new TestClientAttributesGetter());
  
      AttributesBuilder startAttributes = Attributes.builder();
      extractor.onStart(startAttributes, Context.root(), emptyMap());
      assertThat(startAttributes.build()).isEmpty();
  
      AttributesBuilder endAttributes = Attributes.builder();
      extractor.onEnd(endAttributes, Context.root(), emptyMap(), null, null);
      assertThat(endAttributes.build()).isEmpty();
    }
  
    @Test
    void doesNotSetNegativePortValue() {
      Map<String, String> request = new HashMap<>();
      request.put("port", "-12");
  
      AttributesExtractor<Map<String, String>, Void> extractor =
          ClientAttributesExtractor.create(new TestClientAttributesGetter());
  
      AttributesBuilder startAttributes = Attributes.builder();
      extractor.onStart(startAttributes, Context.root(), request);
      assertThat(startAttributes.build()).isEmpty();
  
      AttributesBuilder endAttributes = Attributes.builder();
      extractor.onEnd(endAttributes, Context.root(), request, null, null);
      assertThat(endAttributes.build()).isEmpty();
    }
  
    @Test
    void portWithoutAddress() {
      Map<String, String> request = new HashMap<>();
      request.put("port", "80");
  
      AttributesExtractor<Map<String, String>, Void> extractor =
          ClientAttributesExtractor.create(new TestClientAttributesGetter());
  
      AttributesBuilder startAttributes = Attributes.builder();
      extractor.onStart(startAttributes, Context.root(), request);
      assertThat(startAttributes.build()).isEmpty();
  
      AttributesBuilder endAttributes = Attributes.builder();
      extractor.onEnd(endAttributes, Context.root(), request, null, null);
      assertThat(endAttributes.build()).isEmpty();
    }
  }
  