Add test for filter with undertow

web/undertow/src/it/java/org/seedstack/seed/web/UndertowIT.java

@@ -20,7 +20,7 @@
 import org.seedstack.seed.spi.SeedLauncher;
 
 /**
- * Tests an undertow server exposing a simple hello world servlet.
+ * Tests an undertow server exposing a simple hello world servlet and filter.
  */
 public class UndertowIT {
     private final SeedLauncher launcher = Seed.getLauncher();
@@ -50,7 +50,9 @@ public void refresh() throws Exception {
 
     private void checkServer(int port) {
         RestAssured.useRelaxedHTTPSValidation();
-        Response response = expect().statusCode(200).when().get("https://localhost:" + port + "/hello");
-        Assertions.assertThat(response.asString()).isEqualTo("Hello World! value1");
+        Response servletResponse = expect().statusCode(200).when().get("https://localhost:" + port + "/helloServlet");
+        Assertions.assertThat(servletResponse.asString()).isEqualTo("Hello World! value1");
+        Response filterResponse = expect().statusCode(200).when().get("https://localhost:" + port + "/helloFilter");
+        Assertions.assertThat(filterResponse.asString()).isEqualTo("Hello World! value2");
     }
 }

web/undertow/src/it/java/org/seedstack/seed/web/fixtures/HelloWorldFilter.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright © 2013-2017, The SeedStack authors <http://seedstack.org>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+package org.seedstack.seed.web.fixtures;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.io.IOException;
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.annotation.WebFilter;
+import javax.servlet.annotation.WebInitParam;
+import org.seedstack.seed.Logging;
+import org.slf4j.Logger;
+
+@WebFilter(value = {"/helloFilter"}, initParams = {@WebInitParam(name = "param2", value = HelloWorldFilter
+        .PARAM2_VALUE)})
+public class HelloWorldFilter implements Filter {
+    public static final String CONTENT = "Hello World!";
+    public static final String PARAM2_VALUE = "value2";
+    private static final long serialVersionUID = 1L;
+    @Logging
+    private Logger logger;
+    private String param2;
+
+    @Override
+    public void init(FilterConfig filterConfig) throws ServletException {
+        param2 = filterConfig.getInitParameter("param2");
+    }
+
+    @Override
+    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
+            FilterChain filterChain) throws IOException {
+        assertThat(logger).isNotNull();
+
+        String text = CONTENT + " " + param2;
+
+        servletResponse.setContentType("text/plain");
+        servletResponse.setContentLength(text.length());
+
+        servletResponse.getWriter().write(text);
+    }
+
+    @Override
+    public void destroy() {
+
+    }
+}

web/undertow/src/it/java/org/seedstack/seed/web/fixtures/HelloWorldServlet.java

@@ -20,7 +20,8 @@
 import org.seedstack.seed.Logging;
 import org.slf4j.Logger;
 
-@WebServlet(value = {"/hello"}, initParams = {@WebInitParam(name = "param1", value = HelloWorldServlet.PARAM1_VALUE)})
+@WebServlet(value = {"/helloServlet"}, initParams = {@WebInitParam(name = "param1", value = HelloWorldServlet
+        .PARAM1_VALUE)})
 public class HelloWorldServlet extends HttpServlet {
     public static final String CONTENT = "Hello World!";
     public static final String PARAM1_VALUE = "value1";