Add integration test

app.groovy

@@ -200,21 +200,12 @@ class MainController {
 }
 
 @Configuration
-import reactor.core.Reactor
+@EnableReactor
-import reactor.function.Consumer
-import reactor.event.selector.Selectors
-import reactor.event.Event
-@Grab("reactor-core")
 class ReactorConfiguration {
 
 	@Bean
-	public reactor.core.Environment reactorEnvironment() {
+	public Reactor rootReactor(reactor.core.Environment reactorEnvironment) {
-		return new reactor.core.Environment(); // TODO: use Spring Environment to configure?
+		return reactorEnvironment.getRootReactor();
-	}
-
-	@Bean
-	public Reactor rootReactor() {
-		return reactorEnvironment().getRootReactor();
 	}
 
 }

test/integration.groovy

@@ -0,0 +1,20 @@
+package test
+
+@Grab("spring-boot-starter-test")
+
+@SpringApplicationConfiguration(classes=app.MainController)
+@WebAppConfiguration
+@IntegrationTest('server.port:0')
+@DirtiesContext
+class IntegrationTests {
+
+  @Value('${local.server.port}')
+  int port
+  
+  @Test
+  void testHome() {
+    String body = new TestRestTemplate().getForObject('http://localhost:' + port, String)
+    assertTrue('Wrong body:\n' + body, body.contains('action="/starter.zip"'))
+  }
+  
+}