port 8080 was blocked (#11375)

Author: zeitlinger

smoke-tests-otel-starter/spring-boot-3/src/main/java/io/opentelemetry/spring/smoketest/RestClientSmokeTestController.java

@@ -5,8 +5,13 @@
 
 package io.opentelemetry.spring.smoketest;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.server.LocalServerPort;
+import org.springframework.web.client.RestClient;
 
 @SpringBootTest(
     classes = {
@@ -21,8 +26,21 @@
     })
 class OtelSpringStarterSmokeTest extends AbstractOtelSpringStarterSmokeTest {
 
+  @Autowired RestClient.Builder restClientBuilder;
+  @LocalServerPort private int port;
+
   @Test
   void restClient() {
-    assertClient(OtelSpringStarterSmokeTestController.REST_CLIENT);
+    testing.clearAllExportedData();
+
+    RestClient client = restClientBuilder.baseUrl("http://localhost:" + port).build();
+    assertThat(
+            client
+                .get()
+                .uri(OtelSpringStarterSmokeTestController.PING)
+                .retrieve()
+                .body(String.class))
+        .isEqualTo("pong");
+    assertClient();
   }
 }

smoke-tests-otel-starter/spring-boot-3/src/test/java/io/opentelemetry/spring/smoketest/OtelSpringStarterSmokeTest.java

@@ -35,12 +35,15 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.context.event.ApplicationReadyEvent;
 import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.test.web.server.LocalServerPort;
+import org.springframework.boot.web.client.RestTemplateBuilder;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.event.EventListener;
 import org.springframework.core.annotation.Order;
 import org.springframework.core.env.Environment;
 import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.web.client.RestTemplate;
 
 /**
  * This test class enforces the order of the tests to make sure that {@link #shouldSendTelemetry()},
@@ -55,6 +58,8 @@ class AbstractOtelSpringStarterSmokeTest extends AbstractSpringStarterSmokeTest
   @Autowired private PropagationProperties propagationProperties;
   @Autowired private OtelResourceProperties otelResourceProperties;
   @Autowired private OtlpExporterProperties otlpExporterProperties;
+  @Autowired private RestTemplateBuilder restTemplateBuilder;
+  @LocalServerPort private int port;
 
   @Configuration(proxyBeanMethods = false)
   static class TestConfiguration {
@@ -168,26 +173,17 @@ void shouldSendTelemetry() {
 
   @Test
   void restTemplate() {
-    assertClient(OtelSpringStarterSmokeTestController.REST_TEMPLATE);
-  }
-
-  protected void assertClient(String url) {
     testing.clearAllExportedData();
 
-    testRestTemplate.getForObject(url, String.class);
+    RestTemplate restTemplate = restTemplateBuilder.rootUri("http://localhost:" + port).build();
+    restTemplate.getForObject(OtelSpringStarterSmokeTestController.PING, String.class);
+    assertClient();
+  }
 
+  protected void assertClient() {
     testing.waitAndAssertTraces(
         traceAssert ->
             traceAssert.hasSpansSatisfyingExactly(
-                clientSpan ->
-                    clientSpan
-                        .hasKind(SpanKind.CLIENT)
-                        .hasAttributesSatisfying(
-                            a -> assertThat(a.get(UrlAttributes.URL_FULL)).endsWith(url)),
-                serverSpan ->
-                    serverSpan
-                        .hasKind(SpanKind.SERVER)
-                        .hasAttribute(HttpAttributes.HTTP_ROUTE, url),
                 nestedClientSpan ->
                     nestedClientSpan
                         .hasKind(SpanKind.CLIENT)

smoke-tests-otel-starter/spring-boot-common/src/main/java/io/opentelemetry/spring/smoketest/AbstractOtelSpringStarterSmokeTest.java

@@ -8,12 +8,8 @@
 import io.opentelemetry.api.OpenTelemetry;
 import io.opentelemetry.api.metrics.LongHistogram;
 import io.opentelemetry.api.metrics.Meter;
-import java.util.Optional;
-import org.springframework.boot.web.client.RestTemplateBuilder;
-import org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
-import org.springframework.web.client.RestTemplate;
 
 @RestController
 public class OtelSpringStarterSmokeTestController {
@@ -24,33 +20,15 @@ public class OtelSpringStarterSmokeTestController {
   public static final String TEST_HISTOGRAM = "histogram-test-otel-spring-starter";
   public static final String METER_SCOPE_NAME = "scope";
   private final LongHistogram histogram;
-  private final Optional<RestTemplate> restTemplate;
-  private final Optional<ServletWebServerApplicationContext> server;
 
-  public OtelSpringStarterSmokeTestController(
-      OpenTelemetry openTelemetry,
-      RestTemplateBuilder restTemplateBuilder,
-      Optional<ServletWebServerApplicationContext> server) {
-    this.server = server;
+  public OtelSpringStarterSmokeTestController(OpenTelemetry openTelemetry) {
     Meter meter = openTelemetry.getMeter(METER_SCOPE_NAME);
     histogram = meter.histogramBuilder(TEST_HISTOGRAM).ofLongs().build();
-    restTemplate = getRootUri().map(uri -> restTemplateBuilder.rootUri(uri).build());
-  }
-
-  public Optional<String> getRootUri() {
-    return server.map(s -> "http://localhost:" + s.getWebServer().getPort());
   }
 
   @GetMapping(PING)
   public String ping() {
     histogram.record(10);
     return "pong";
   }
-
-  @GetMapping(REST_TEMPLATE)
-  public String restTemplate() {
-    return restTemplate
-        .map(t -> t.getForObject(PING, String.class))
-        .orElseThrow(() -> new IllegalStateException("RestTemplate not available"));
-  }
 }