Add smoke test

Author: manuel-alvarez-alvarez

dd-smoke-tests/dynamic-config/src/main/java/datadog/smoketest/dynamicconfig/AppSecApplication.java

@@ -0,0 +1,14 @@
+package datadog.smoketest.dynamicconfig;
+
+import java.util.concurrent.TimeUnit;
+
+public class AppSecApplication {
+
+  public static final long TIMEOUT_IN_SECONDS = 10;
+
+  public static void main(String[] args) throws InterruptedException {
+    // just wait as we want to test RC payloads
+    Thread.sleep(TimeUnit.SECONDS.toMillis(TIMEOUT_IN_SECONDS));
+    System.exit(0);
+  }
+}

dd-smoke-tests/dynamic-config/src/test/groovy/datadog/smoketest/AppSecActivationSmokeTest.groovy

@@ -0,0 +1,39 @@
+package datadog.smoketest
+
+import datadog.smoketest.dynamicconfig.AppSecApplication
+
+class AppSecActivationSmokeTest extends AbstractSmokeTest {
+
+  @Override
+  ProcessBuilder createProcessBuilder() {
+    def command = [javaPath()]
+    command += defaultJavaProperties.toList()
+    command += [
+      '-Ddd.remote_config.enabled=true',
+      "-Ddd.remote_config.url=http://localhost:${server.address.port}/v0.7/config".toString(),
+      '-Ddd.remote_config.poll_interval.seconds=1',
+      '-cp',
+      System.getProperty('datadog.smoketest.shadowJar.path'),
+      AppSecApplication.name
+    ]
+
+    final processBuilder = new ProcessBuilder(command)
+    processBuilder.directory(new File(buildDirectory))
+  }
+
+  void 'test activation config change is sent via RC'() {
+    when:
+    setRemoteConfig('datadog/2/ASM_FEATURES/asm_features_activation/config', '{"asm":{"enabled":true}}')
+
+    then:
+    waitForTelemetryFlat {
+      if (it['request_type'] != 'app-client-configuration-change') {
+        return false
+      }
+      final payload = (Map<String, Object>) it['payload']
+      final configurations = (List<Map<String, Object>>) payload['configuration']
+      final enabled = configurations.find { it['name'] == 'appsec_enabled' }
+      return enabled['value'] == 'true' && enabled['origin'] == 'remote_config'
+    }
+  }
+}