/*
* Copyright 2002-2017 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.reactive.result.view;
import java.time.Duration;
import java.util.Locale;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import org.springframework.context.support.StaticApplicationContext;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.web.server.ServerWebExchange;
import static org.junit.Assert.*;
/**
* Unit tests for {@link UrlBasedViewResolver}.
*
* @author Rossen Stoyanchev
* @author Sebastien Deleuze
*/
public class UrlBasedViewResolverTests {
private UrlBasedViewResolver resolver;
@Before
public void setup() {
StaticApplicationContext context = new StaticApplicationContext();
context.refresh();
this.resolver = new UrlBasedViewResolver();
this.resolver.setApplicationContext(context);
}
@Test
public void viewNames() throws Exception {
this.resolver.setViewClass(TestView.class);
this.resolver.setViewNames("my*");
Mono<View> mono = this.resolver.resolveViewName("my-view", Locale.US);
assertNotNull(mono.block());
mono = this.resolver.resolveViewName("not-my-view", Locale.US);
assertNull(mono.block());
}
@Test
public void redirectView() throws Exception {
Mono<View> mono = this.resolver.resolveViewName("redirect:foo", Locale.US);
StepVerifier.create(mono)
.consumeNextWith(view -> {
assertEquals(RedirectView.class, view.getClass());
RedirectView redirectView = (RedirectView) view;
assertEquals(redirectView.getUrl(), "foo");
assertEquals(redirectView.getStatusCode(), HttpStatus.SEE_OTHER);
})
.expectComplete()
.verify(Duration.ZERO);
}
@Test
public void customizedRedirectView() throws Exception {
this.resolver.setRedirectViewProvider(url -> new RedirectView(url, HttpStatus.FOUND));
Mono<View> mono = this.resolver.resolveViewName("redirect:foo", Locale.US);
StepVerifier.create(mono)
.consumeNextWith(view -> {
assertEquals(RedirectView.class, view.getClass());
RedirectView redirectView = (RedirectView) view;
assertEquals(redirectView.getUrl(), "foo");
assertEquals(redirectView.getStatusCode(), HttpStatus.FOUND);
})
.expectComplete()
.verify(Duration.ZERO);
}
private static class TestView extends AbstractUrlBasedView {
@Override
public boolean checkResourceExists(Locale locale) throws Exception {
return true;
}
@Override
protected Mono<Void> renderInternal(Map<String, Object> attributes, MediaType contentType,
ServerWebExchange exchange) {
return Mono.empty();
}
}
}