Added additional tests for the rewrite interceptor (#762)

core/src/test/java/com/predic8/membrane/core/interceptor/rewrite/RewriterTest.java

@@ -0,0 +1,90 @@
+/* Copyright 2023 predic8 GmbH, www.predic8.com
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License. */
+package com.predic8.membrane.core.interceptor.rewrite;
+
+import com.predic8.membrane.core.HttpRouter;
+import com.predic8.membrane.core.exchange.Exchange;
+import com.predic8.membrane.core.http.Request;
+import com.predic8.membrane.core.interceptor.rewrite.RewriteInterceptor.Mapping;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class RewriterTest {
+
+    private RewriteInterceptor rewriter;
+
+    @BeforeEach
+    public void setUp() throws Exception {
+        rewriter = new RewriteInterceptor();
+        List<Mapping> mappings = new ArrayList<>();
+        mappings.add( new Mapping("/hello/(.*)", "/$1", null));
+        rewriter.setMappings(mappings);
+
+        rewriter.init(new HttpRouter());
+    }
+
+    @Test
+    void testRewriteWithoutTarget() throws Exception {
+        assertThrows(URISyntaxException.class, () -> {
+            Exchange exc = new Exchange(null);
+            Request req = new Request();
+            req.setUri("/%");
+            exc.setRequest(req);
+
+            exc.getDestinations().add("/%");
+
+            rewriter.handleRequest(exc);
+
+            System.out.println("uri: " + exc.getRequest().getUri());
+            System.out.println("dest: " + exc.getDestinations().get(0));
+        });
+    }
+
+    @Test
+    void testRewriteWithoutTarget2() throws Exception {
+        Exchange exc = new Exchange(null);
+        Request req = new Request();
+        req.setUri("/%25");
+        exc.setRequest(req);
+
+        exc.getDestinations().add("/%25");
+
+        rewriter.handleRequest(exc);
+
+        assertEquals("/%25", exc.getRequest().getUri());
+        assertEquals("/%25", exc.getDestinations().get(0));
+    }
+
+    @Test
+    void testRewriteWithoutTarget3() throws Exception {
+        Exchange exc = new Exchange(null);
+        Request req = new Request();
+        req.setUri("/hello/%25");
+        exc.setRequest(req);
+
+        exc.getDestinations().add("/hello/%25");
+
+        rewriter.handleRequest(exc);
+
+        assertEquals("/%25", exc.getRequest().getUri());
+        assertEquals("/%25", exc.getDestinations().get(0));
+    }
+}