SPR-7976 Add MvcInterceptors features.

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/config/MvcInterceptorsTests.java

@@ -0,0 +1,126 @@
+/*
+ * Copyright 2002-2011 the original author or authors.
+ *
+ * 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 org.springframework.web.servlet.config;
+
+import static org.easymock.EasyMock.capture;
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.replay;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.util.Iterator;
+
+import org.easymock.Capture;
+import org.junit.Test;
+import org.springframework.beans.factory.parsing.Problem;
+import org.springframework.beans.factory.parsing.ProblemReporter;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Feature;
+import org.springframework.context.annotation.FeatureConfiguration;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.handler.MappedInterceptor;
+import org.springframework.web.servlet.handler.UserRoleAuthorizationInterceptor;
+import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
+import org.springframework.web.servlet.theme.ThemeChangeInterceptor;
+
+/**
+ * Test fixture for {@link MvcInterceptors}.
+ * @author Rossen Stoyanchev
+ */
+public class MvcInterceptorsTests {
+
+	@Test
+	public void testInterceptors() {
+		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
+		ctx.register(MvcInterceptorsFeature.class);
+		ctx.refresh();
+
+		Iterator<MappedInterceptor> itr = ctx.getBeansOfType(MappedInterceptor.class).values().iterator();
+
+		MappedInterceptor interceptor = itr.next();
+		assertTrue(interceptor.getInterceptor() instanceof UserRoleAuthorizationInterceptor);
+		assertNull(interceptor.getPathPatterns());
+
+		interceptor = itr.next();
+		assertTrue(interceptor.getInterceptor() instanceof LocaleChangeInterceptor);
+		assertArrayEquals(new String[] { "/locale", "/locale/**" }, interceptor.getPathPatterns());
+
+		interceptor = itr.next();
+		assertTrue(interceptor.getInterceptor() instanceof ThemeChangeInterceptor);
+		assertArrayEquals(new String[] { "/theme", "/theme/**" }, interceptor.getPathPatterns());
+
+	}
+
+	@Test
+	public void validateNoInterceptors() {
+		ProblemReporter reporter = createMock(ProblemReporter.class);
+		Capture<Problem> captured = new Capture<Problem>();
+		reporter.error(capture(captured));
+		replay(reporter);
+
+		boolean result = new MvcInterceptors().validate(reporter);
+
+		assertFalse(result);
+		assertEquals("No interceptors defined.", captured.getValue().getMessage());
+	}
+
+	@Test
+	public void validateNullHandler() {
+		ProblemReporter reporter = createMock(ProblemReporter.class);
+		Capture<Problem> captured = new Capture<Problem>();
+		reporter.error(capture(captured));
+		replay(reporter);
+
+		HandlerInterceptor[] interceptors = new HandlerInterceptor[] { null };
+		boolean result = new MvcInterceptors().globalInterceptors(interceptors).validate(reporter);
+
+		assertFalse(result);
+		assertTrue(captured.getValue().getMessage().contains("Null interceptor"));
+	}
+
+	@Test
+	public void validateEmptyPath() {
+		ProblemReporter reporter = createMock(ProblemReporter.class);
+		Capture<Problem> captured = new Capture<Problem>();
+		reporter.error(capture(captured));
+		replay(reporter);
+
+		HandlerInterceptor[] interceptors = new HandlerInterceptor[] { new LocaleChangeInterceptor() };
+		String[] patterns = new String[] { "" };
+		boolean result = new MvcInterceptors().mappedInterceptors(patterns, interceptors).validate(reporter);
+
+		assertFalse(result);
+		assertTrue(captured.getValue().getMessage().startsWith("Empty path pattern specified for "));
+	}
+
+	@FeatureConfiguration
+	private static class MvcInterceptorsFeature {
+
+		@SuppressWarnings("unused")
+		@Feature
+		public MvcInterceptors interceptors() {
+			return new MvcInterceptors()
+				.globalInterceptors(new UserRoleAuthorizationInterceptor())
+				.mappedInterceptors(new String[] { "/locale", "/locale/**" }, new LocaleChangeInterceptor())
+				.mappedInterceptors(new String[] { "/theme", "/theme/**"},  new ThemeChangeInterceptor());
+		}
+
+	}
+
+}