/*
* Copyright 2002-2016 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.condition;
import java.util.Collection;
import java.util.Collections;
import org.junit.Test;
import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
import org.springframework.mock.http.server.reactive.test.MockServerWebExchange;
import org.springframework.web.server.ServerWebExchange;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.springframework.mock.http.server.reactive.test.MockServerHttpRequest.get;
/**
* Unit tests for {@link ProducesRequestCondition}.
*
* @author Rossen Stoyanchev
*/
public class ProducesRequestConditionTests {
@Test
public void match() throws Exception {
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "text/plain").toExchange();
ProducesRequestCondition condition = new ProducesRequestCondition("text/plain");
assertNotNull(condition.getMatchingCondition(exchange));
}
@Test
public void matchNegated() throws Exception {
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "text/plain").toExchange();
ProducesRequestCondition condition = new ProducesRequestCondition("!text/plain");
assertNull(condition.getMatchingCondition(exchange));
}
@Test
public void getProducibleMediaTypes() throws Exception {
ProducesRequestCondition condition = new ProducesRequestCondition("!application/xml");
assertEquals(Collections.emptySet(), condition.getProducibleMediaTypes());
}
@Test
public void matchWildcard() throws Exception {
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "text/plain").toExchange();
ProducesRequestCondition condition = new ProducesRequestCondition("text/*");
assertNotNull(condition.getMatchingCondition(exchange));
}
@Test
public void matchMultiple() throws Exception {
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "text/plain").toExchange();
ProducesRequestCondition condition = new ProducesRequestCondition("text/plain", "application/xml");
assertNotNull(condition.getMatchingCondition(exchange));
}
@Test
public void matchSingle() throws Exception {
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "application/xml").toExchange();
ProducesRequestCondition condition = new ProducesRequestCondition("text/plain");
assertNull(condition.getMatchingCondition(exchange));
}
@Test
public void matchParseError() throws Exception {
MockServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "bogus").toExchange();
ProducesRequestCondition condition = new ProducesRequestCondition("text/plain");
assertNull(condition.getMatchingCondition(exchange));
}
@Test
public void matchParseErrorWithNegation() throws Exception {
MockServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "bogus").toExchange();
ProducesRequestCondition condition = new ProducesRequestCondition("!text/plain");
assertNull(condition.getMatchingCondition(exchange));
}
@Test
public void compareTo() throws Exception {
ProducesRequestCondition html = new ProducesRequestCondition("text/html");
ProducesRequestCondition xml = new ProducesRequestCondition("application/xml");
ProducesRequestCondition none = new ProducesRequestCondition();
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "application/xml, text/html").toExchange();
assertTrue(html.compareTo(xml, exchange) > 0);
assertTrue(xml.compareTo(html, exchange) < 0);
assertTrue(xml.compareTo(none, exchange) < 0);
assertTrue(none.compareTo(xml, exchange) > 0);
assertTrue(html.compareTo(none, exchange) < 0);
assertTrue(none.compareTo(html, exchange) > 0);
exchange = MockServerHttpRequest.get("/").header("Accept", "application/xml, text/*").toExchange();
assertTrue(html.compareTo(xml, exchange) > 0);
assertTrue(xml.compareTo(html, exchange) < 0);
exchange = MockServerHttpRequest.get("/").header("Accept", "application/pdf").toExchange();
assertTrue(html.compareTo(xml, exchange) == 0);
assertTrue(xml.compareTo(html, exchange) == 0);
// See SPR-7000
exchange = MockServerHttpRequest.get("/").header("Accept", "text/html;q=0.9,application/xml").toExchange();
assertTrue(html.compareTo(xml, exchange) > 0);
assertTrue(xml.compareTo(html, exchange) < 0);
}
@Test
public void compareToWithSingleExpression() throws Exception {
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "text/plain").toExchange();
ProducesRequestCondition condition1 = new ProducesRequestCondition("text/plain");
ProducesRequestCondition condition2 = new ProducesRequestCondition("text/*");
int result = condition1.compareTo(condition2, exchange);
assertTrue("Invalid comparison result: " + result, result < 0);
result = condition2.compareTo(condition1, exchange);
assertTrue("Invalid comparison result: " + result, result > 0);
}
@Test
public void compareToMultipleExpressions() throws Exception {
ProducesRequestCondition condition1 = new ProducesRequestCondition("*/*", "text/plain");
ProducesRequestCondition condition2 = new ProducesRequestCondition("text/*", "text/plain;q=0.7");
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "text/plain").toExchange();
int result = condition1.compareTo(condition2, exchange);
assertTrue("Invalid comparison result: " + result, result < 0);
result = condition2.compareTo(condition1, exchange);
assertTrue("Invalid comparison result: " + result, result > 0);
}
@Test
public void compareToMultipleExpressionsAndMultipeAcceptHeaderValues() throws Exception {
ProducesRequestCondition condition1 = new ProducesRequestCondition("text/*", "text/plain");
ProducesRequestCondition condition2 = new ProducesRequestCondition("application/*", "application/xml");
ServerWebExchange exchange = get("/").header("Accept", "text/plain", "application/xml").toExchange();
int result = condition1.compareTo(condition2, exchange);
assertTrue("Invalid comparison result: " + result, result < 0);
result = condition2.compareTo(condition1, exchange);
assertTrue("Invalid comparison result: " + result, result > 0);
exchange = MockServerHttpRequest.get("/").header("Accept", "application/xml", "text/plain").toExchange();
result = condition1.compareTo(condition2, exchange);
assertTrue("Invalid comparison result: " + result, result > 0);
result = condition2.compareTo(condition1, exchange);
assertTrue("Invalid comparison result: " + result, result < 0);
}
// SPR-8536
@Test
public void compareToMediaTypeAll() throws Exception {
MockServerWebExchange exchange = MockServerHttpRequest.get("/").toExchange();
ProducesRequestCondition condition1 = new ProducesRequestCondition();
ProducesRequestCondition condition2 = new ProducesRequestCondition("application/json");
assertTrue("Should have picked '*/*' condition as an exact match",
condition1.compareTo(condition2, exchange) < 0);
assertTrue("Should have picked '*/*' condition as an exact match",
condition2.compareTo(condition1, exchange) > 0);
condition1 = new ProducesRequestCondition("*/*");
condition2 = new ProducesRequestCondition("application/json");
assertTrue(condition1.compareTo(condition2, exchange) < 0);
assertTrue(condition2.compareTo(condition1, exchange) > 0);
exchange = MockServerHttpRequest.get("/").header("Accept", "*/*").toExchange();
condition1 = new ProducesRequestCondition();
condition2 = new ProducesRequestCondition("application/json");
assertTrue(condition1.compareTo(condition2, exchange) < 0);
assertTrue(condition2.compareTo(condition1, exchange) > 0);
condition1 = new ProducesRequestCondition("*/*");
condition2 = new ProducesRequestCondition("application/json");
assertTrue(condition1.compareTo(condition2, exchange) < 0);
assertTrue(condition2.compareTo(condition1, exchange) > 0);
}
// SPR-9021
@Test
public void compareToMediaTypeAllWithParameter() throws Exception {
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "*/*;q=0.9").toExchange();
ProducesRequestCondition condition1 = new ProducesRequestCondition();
ProducesRequestCondition condition2 = new ProducesRequestCondition("application/json");
assertTrue(condition1.compareTo(condition2, exchange) < 0);
assertTrue(condition2.compareTo(condition1, exchange) > 0);
}
@Test
public void compareToEqualMatch() throws Exception {
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "text/*").toExchange();
ProducesRequestCondition condition1 = new ProducesRequestCondition("text/plain");
ProducesRequestCondition condition2 = new ProducesRequestCondition("text/xhtml");
int result = condition1.compareTo(condition2, exchange);
assertTrue("Should have used MediaType.equals(Object) to break the match", result < 0);
result = condition2.compareTo(condition1, exchange);
assertTrue("Should have used MediaType.equals(Object) to break the match", result > 0);
}
@Test
public void combine() throws Exception {
ProducesRequestCondition condition1 = new ProducesRequestCondition("text/plain");
ProducesRequestCondition condition2 = new ProducesRequestCondition("application/xml");
ProducesRequestCondition result = condition1.combine(condition2);
assertEquals(condition2, result);
}
@Test
public void combineWithDefault() throws Exception {
ProducesRequestCondition condition1 = new ProducesRequestCondition("text/plain");
ProducesRequestCondition condition2 = new ProducesRequestCondition();
ProducesRequestCondition result = condition1.combine(condition2);
assertEquals(condition1, result);
}
@Test
public void instantiateWithProducesAndHeaderConditions() throws Exception {
String[] produces = new String[] {"text/plain"};
String[] headers = new String[]{"foo=bar", "accept=application/xml,application/pdf"};
ProducesRequestCondition condition = new ProducesRequestCondition(produces, headers);
assertConditions(condition, "text/plain", "application/xml", "application/pdf");
}
@Test
public void getMatchingCondition() throws Exception {
ServerWebExchange exchange = MockServerHttpRequest.get("/").header("Accept", "text/plain").toExchange();
ProducesRequestCondition condition = new ProducesRequestCondition("text/plain", "application/xml");
ProducesRequestCondition result = condition.getMatchingCondition(exchange);
assertConditions(result, "text/plain");
condition = new ProducesRequestCondition("application/xml");
result = condition.getMatchingCondition(exchange);
assertNull(result);
}
private void assertConditions(ProducesRequestCondition condition, String... expected) {
Collection<ProducesRequestCondition.ProduceMediaTypeExpression> expressions = condition.getContent();
assertEquals("Invalid number of conditions", expressions.size(), expected.length);
for (String s : expected) {
boolean found = false;
for (ProducesRequestCondition.ProduceMediaTypeExpression expr : expressions) {
String conditionMediaType = expr.getMediaType().toString();
if (conditionMediaType.equals(s)) {
found = true;
break;
}
}
if (!found) {
fail("Condition [" + s + "] not found");
}
}
}
}