Add event for Ngrok initialization

Author: juherr

src/main/java/ngrok/NgrokInitializedEvent.java

@@ -0,0 +1,19 @@
+package ngrok;
+
+import ngrok.api.model.NgrokTunnel;
+import org.springframework.context.ApplicationEvent;
+
+import java.util.List;
+
+public class NgrokInitializedEvent extends ApplicationEvent {
+
+    private final List<NgrokTunnel> tunnels;
+
+    public NgrokInitializedEvent(Object source, List<NgrokTunnel> tunnels) {
+        super(source);
+        this.tunnels = tunnels;
+    }
+    public List<NgrokTunnel> getTunnels() {
+        return tunnels;
+    }
+}

src/main/java/ngrok/NgrokRunner.java

@@ -12,8 +12,10 @@
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.web.context.WebServerInitializedEvent;
+import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.context.event.EventListener;
 import org.springframework.core.task.TaskExecutor;
 
@@ -29,6 +31,9 @@ public class NgrokRunner {
     @Value("${" + NgrokProperties.NGROK_COMMAND + ":}")
     private String ngrokCustomCommand;
 
+    @Autowired
+    private ApplicationEventPublisher applicationEventPublisher;
+
     private final NgrokApiClient ngrokApiClient;
     private final NgrokBinaryProvider ngrokBinaryProvider;
     private final NgrokConfigurationProvider ngrokConfigurationProvider;
@@ -64,6 +69,7 @@ public void run(WebServerInitializedEvent event) throws NgrokDownloadException,
                 log.info("Ngrok was already running! Dashboard url -> [ {} ]", ngrokApiClient.getNgrokApiUrl());
             }
             logTunnelsDetails();
+            applicationEventPublisher.publishEvent(new NgrokInitializedEvent(this, ngrokApiClient.fetchTunnels()));
         });
     }
 

src/test/java/ngrok/runner/NgrokRunnerEventTest.java

@@ -0,0 +1,50 @@
+package ngrok.runner;
+
+import ngrok.NgrokInitializedEvent;
+import ngrok.runner.config.NgrokRunnerUnixTestConfiguration;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.context.ApplicationListener;
+import org.springframework.stereotype.Component;
+import org.springframework.test.context.ActiveProfiles;
+
+import static ngrok.TestConstants.*;
+import static org.assertj.core.api.Assertions.assertThat;
+
+@ActiveProfiles({
+        TEST_NGROK_PROFILE,
+        TEST_NGROK_PROFILE_UNIX
+})
+@EnableAutoConfiguration
+@SpringBootTest(
+        webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT,
+        classes = NgrokRunnerUnixTestConfiguration.class,
+        properties = {
+                TEST_NGROK_PROP_ENABLED,
+                TEST_NGROK_PROP_CUSTOM_COMMAND,
+                TEST_SPRING_PROP_SERVER_PORT
+        })
+public class NgrokRunnerEventTest extends BaseNgrokRunnerIntegrationTest {
+
+    @TestConfiguration
+    public static class Config {
+
+        private static NgrokInitializedEvent event;
+
+        @Component
+        public static class CustomSpringEventListener implements ApplicationListener<NgrokInitializedEvent> {
+            @Override
+            public void onApplicationEvent(NgrokInitializedEvent event) {
+                Config.event = event;
+            }
+        }
+    }
+
+    @Test
+    public void shouldReceiveEvent() {
+        assertThat(Config.event).isNotNull();
+        assertThat(Config.event.getTunnels()).hasSize(2);
+    }
+}