Fix the missing Location (fixes #5)

Author: igr

src/main/java/jodd/http/HttpRequest.java

@@ -885,7 +885,11 @@ public HttpResponse send() {
 
 			if (HttpStatus.isRedirect(statusCode)) {
 				_reset();
-				set(httpResponse.location());
+				final String location = httpResponse.location();
+				if (location == null) {
+					return httpResponse;
+				}
+				set(location);
 				continue;
 			}
 

src/test/java/jodd/http/NoLocationTest.java

@@ -0,0 +1,20 @@
+package jodd.http;
+
+import jodd.http.fixture.StringHttpRequest;
+import org.junit.jupiter.api.Test;
+
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class NoLocationTest {
+
+	@Test
+	void testNoLocationInResponse() {
+		HttpRequest httpRequest = StringHttpRequest.create(
+				"HTTP/1.1 302 OK\n" +
+				"Connection: close\n" +
+				"\n");
+		HttpResponse response = httpRequest.followRedirects(true).send();
+		assertEquals(302, response.statusCode());
+	}
+}

src/test/java/jodd/http/fixture/StringHttpRequest.java

@@ -0,0 +1,53 @@
+package jodd.http.fixture;
+
+import jodd.http.HttpConnection;
+import jodd.http.HttpConnectionProvider;
+import jodd.http.HttpRequest;
+import jodd.http.ProxyInfo;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+public class StringHttpRequest {
+
+	public static HttpRequest create(final String payload) {
+		return new HttpRequest().withConnectionProvider(new HttpConnectionProvider() {
+			@Override
+			public void useProxy(ProxyInfo proxyInfo) {
+			}
+
+			@Override
+			public HttpConnection createHttpConnection(HttpRequest httpRequest) {
+				return new HttpConnection() {
+
+					private final ByteArrayInputStream in = new ByteArrayInputStream(payload.getBytes());
+					private final ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
+
+					@Override
+					public void init() {
+					}
+
+					@Override
+					public OutputStream getOutputStream() {
+						return out;
+					}
+
+					@Override
+					public InputStream getInputStream() {
+						return in;
+					}
+
+					@Override
+					public void close() {
+					}
+
+					@Override
+					public void setTimeout(int milliseconds) {
+					}
+				};
+			}
+		});
+	}
+}