/*
* Copyright 2002-2013 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.http;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Random;
import org.junit.Test;
import org.springframework.core.convert.ConversionService;
import org.springframework.core.convert.support.DefaultConversionService;
import static org.junit.Assert.*;
/**
* @author Arjen Poutsma
* @author Juergen Hoeller
*/
public class MediaTypeTests {
@Test
public void testToString() throws Exception {
MediaType mediaType = new MediaType("text", "plain", 0.7);
String result = mediaType.toString();
assertEquals("Invalid toString() returned", "text/plain;q=0.7", result);
}
@Test(expected = IllegalArgumentException.class)
public void slashInType() {
new MediaType("text/plain");
}
@Test(expected = IllegalArgumentException.class)
public void slashInSubtype() {
new MediaType("text", "/");
}
@Test
public void getDefaultQualityValue() {
MediaType mediaType = new MediaType("text", "plain");
assertEquals("Invalid quality value", 1, mediaType.getQualityValue(), 0D);
}
@Test
public void parseMediaType() throws Exception {
String s = "audio/*; q=0.2";
MediaType mediaType = MediaType.parseMediaType(s);
assertEquals("Invalid type", "audio", mediaType.getType());
assertEquals("Invalid subtype", "*", mediaType.getSubtype());
assertEquals("Invalid quality factor", 0.2D, mediaType.getQualityValue(), 0D);
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeNoSubtype() {
MediaType.parseMediaType("audio");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeNoSubtypeSlash() {
MediaType.parseMediaType("audio/");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeTypeRange() {
MediaType.parseMediaType("*/json");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeIllegalType() {
MediaType.parseMediaType("audio(/basic");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeIllegalSubtype() {
MediaType.parseMediaType("audio/basic)");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeEmptyParameterAttribute() {
MediaType.parseMediaType("audio/*;=value");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeEmptyParameterValue() {
MediaType.parseMediaType("audio/*;attr=");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeIllegalParameterAttribute() {
MediaType.parseMediaType("audio/*;attr<=value");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeIllegalParameterValue() {
MediaType.parseMediaType("audio/*;attr=v>alue");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeIllegalQualityFactor() {
MediaType.parseMediaType("audio/basic;q=1.1");
}
@Test(expected = InvalidMediaTypeException.class)
public void parseMediaTypeIllegalCharset() {
MediaType.parseMediaType("text/html; charset=foo-bar");
}
@Test
public void parseURLConnectionMediaType() throws Exception {
String s = "*; q=.2";
MediaType mediaType = MediaType.parseMediaType(s);
assertEquals("Invalid type", "*", mediaType.getType());
assertEquals("Invalid subtype", "*", mediaType.getSubtype());
assertEquals("Invalid quality factor", 0.2D, mediaType.getQualityValue(), 0D);
}
@Test
public void parseMediaTypes() throws Exception {
String s = "text/plain; q=0.5, text/html, text/x-dvi; q=0.8, text/x-c";
List<MediaType> mediaTypes = MediaType.parseMediaTypes(s);
assertNotNull("No media types returned", mediaTypes);
assertEquals("Invalid amount of media types", 4, mediaTypes.size());
mediaTypes = MediaType.parseMediaTypes(null);
assertNotNull("No media types returned", mediaTypes);
assertEquals("Invalid amount of media types", 0, mediaTypes.size());
}
@Test
public void compareTo() {
MediaType audioBasic = new MediaType("audio", "basic");
MediaType audio = new MediaType("audio");
MediaType audioWave = new MediaType("audio", "wave");
MediaType audioBasicLevel = new MediaType("audio", "basic", Collections.singletonMap("level", "1"));
MediaType audioBasic07 = new MediaType("audio", "basic", 0.7);
// equal
assertEquals("Invalid comparison result", 0, audioBasic.compareTo(audioBasic));
assertEquals("Invalid comparison result", 0, audio.compareTo(audio));
assertEquals("Invalid comparison result", 0, audioBasicLevel.compareTo(audioBasicLevel));
assertTrue("Invalid comparison result", audioBasicLevel.compareTo(audio) > 0);
List<MediaType> expected = new ArrayList<MediaType>();
expected.add(audio);
expected.add(audioBasic);
expected.add(audioBasicLevel);
expected.add(audioBasic07);
expected.add(audioWave);
List<MediaType> result = new ArrayList<MediaType>(expected);
Random rnd = new Random();
// shuffle & sort 10 times
for (int i = 0; i < 10; i++) {
Collections.shuffle(result, rnd);
Collections.sort(result);
for (int j = 0; j < result.size(); j++) {
assertSame("Invalid media type at " + j + ", run " + i, expected.get(j), result.get(j));
}
}
}
@Test
public void compareToConsistentWithEquals() {
MediaType m1 = MediaType.parseMediaType("text/html; q=0.7; charset=iso-8859-1");
MediaType m2 = MediaType.parseMediaType("text/html; charset=iso-8859-1; q=0.7");
assertEquals("Media types not equal", m1, m2);
assertEquals("compareTo() not consistent with equals", 0, m1.compareTo(m2));
assertEquals("compareTo() not consistent with equals", 0, m2.compareTo(m1));
m1 = MediaType.parseMediaType("text/html; q=0.7; charset=iso-8859-1");
m2 = MediaType.parseMediaType("text/html; Q=0.7; charset=iso-8859-1");
assertEquals("Media types not equal", m1, m2);
assertEquals("compareTo() not consistent with equals", 0, m1.compareTo(m2));
assertEquals("compareTo() not consistent with equals", 0, m2.compareTo(m1));
}
@Test
public void compareToCaseSensitivity() {
MediaType m1 = new MediaType("audio", "basic");
MediaType m2 = new MediaType("Audio", "Basic");
assertEquals("Invalid comparison result", 0, m1.compareTo(m2));
assertEquals("Invalid comparison result", 0, m2.compareTo(m1));
m1 = new MediaType("audio", "basic", Collections.singletonMap("foo", "bar"));
m2 = new MediaType("audio", "basic", Collections.singletonMap("Foo", "bar"));
assertEquals("Invalid comparison result", 0, m1.compareTo(m2));
assertEquals("Invalid comparison result", 0, m2.compareTo(m1));
m1 = new MediaType("audio", "basic", Collections.singletonMap("foo", "bar"));
m2 = new MediaType("audio", "basic", Collections.singletonMap("foo", "Bar"));
assertTrue("Invalid comparison result", m1.compareTo(m2) != 0);
assertTrue("Invalid comparison result", m2.compareTo(m1) != 0);
}
@Test
public void specificityComparator() throws Exception {
MediaType audioBasic = new MediaType("audio", "basic");
MediaType audioWave = new MediaType("audio", "wave");
MediaType audio = new MediaType("audio");
MediaType audio03 = new MediaType("audio", "*", 0.3);
MediaType audio07 = new MediaType("audio", "*", 0.7);
MediaType audioBasicLevel = new MediaType("audio", "basic", Collections.singletonMap("level", "1"));
MediaType textHtml = new MediaType("text", "html");
MediaType allXml = new MediaType("application", "*+xml");
MediaType all = MediaType.ALL;
Comparator<MediaType> comp = MediaType.SPECIFICITY_COMPARATOR;
// equal
assertEquals("Invalid comparison result", 0, comp.compare(audioBasic,audioBasic));
assertEquals("Invalid comparison result", 0, comp.compare(audio, audio));
assertEquals("Invalid comparison result", 0, comp.compare(audio07, audio07));
assertEquals("Invalid comparison result", 0, comp.compare(audio03, audio03));
assertEquals("Invalid comparison result", 0, comp.compare(audioBasicLevel, audioBasicLevel));
// specific to unspecific
assertTrue("Invalid comparison result", comp.compare(audioBasic, audio) < 0);
assertTrue("Invalid comparison result", comp.compare(audioBasic, all) < 0);
assertTrue("Invalid comparison result", comp.compare(audio, all) < 0);
assertTrue("Invalid comparison result", comp.compare(MediaType.APPLICATION_XHTML_XML, allXml) < 0);
// unspecific to specific
assertTrue("Invalid comparison result", comp.compare(audio, audioBasic) > 0);
assertTrue("Invalid comparison result", comp.compare(allXml, MediaType.APPLICATION_XHTML_XML) > 0);
assertTrue("Invalid comparison result", comp.compare(all, audioBasic) > 0);
assertTrue("Invalid comparison result", comp.compare(all, audio) > 0);
// qualifiers
assertTrue("Invalid comparison result", comp.compare(audio, audio07) < 0);
assertTrue("Invalid comparison result", comp.compare(audio07, audio) > 0);
assertTrue("Invalid comparison result", comp.compare(audio07, audio03) < 0);
assertTrue("Invalid comparison result", comp.compare(audio03, audio07) > 0);
assertTrue("Invalid comparison result", comp.compare(audio03, all) < 0);
assertTrue("Invalid comparison result", comp.compare(all, audio03) > 0);
// other parameters
assertTrue("Invalid comparison result", comp.compare(audioBasic, audioBasicLevel) > 0);
assertTrue("Invalid comparison result", comp.compare(audioBasicLevel, audioBasic) < 0);
// different types
assertEquals("Invalid comparison result", 0, comp.compare(audioBasic, textHtml));
assertEquals("Invalid comparison result", 0, comp.compare(textHtml, audioBasic));
// different subtypes
assertEquals("Invalid comparison result", 0, comp.compare(audioBasic, audioWave));
assertEquals("Invalid comparison result", 0, comp.compare(audioWave, audioBasic));
}
@Test
public void sortBySpecificityRelated() {
MediaType audioBasic = new MediaType("audio", "basic");
MediaType audio = new MediaType("audio");
MediaType audio03 = new MediaType("audio", "*", 0.3);
MediaType audio07 = new MediaType("audio", "*", 0.7);
MediaType audioBasicLevel = new MediaType("audio", "basic", Collections.singletonMap("level", "1"));
MediaType all = MediaType.ALL;
List<MediaType> expected = new ArrayList<MediaType>();
expected.add(audioBasicLevel);
expected.add(audioBasic);
expected.add(audio);
expected.add(audio07);
expected.add(audio03);
expected.add(all);
List<MediaType> result = new ArrayList<MediaType>(expected);
Random rnd = new Random();
// shuffle & sort 10 times
for (int i = 0; i < 10; i++) {
Collections.shuffle(result, rnd);
MediaType.sortBySpecificity(result);
for (int j = 0; j < result.size(); j++) {
assertSame("Invalid media type at " + j, expected.get(j), result.get(j));
}
}
}
@Test
public void sortBySpecificityUnrelated() {
MediaType audioBasic = new MediaType("audio", "basic");
MediaType audioWave = new MediaType("audio", "wave");
MediaType textHtml = new MediaType("text", "html");
List<MediaType> expected = new ArrayList<MediaType>();
expected.add(textHtml);
expected.add(audioBasic);
expected.add(audioWave);
List<MediaType> result = new ArrayList<MediaType>(expected);
MediaType.sortBySpecificity(result);
for (int i = 0; i < result.size(); i++) {
assertSame("Invalid media type at " + i, expected.get(i), result.get(i));
}
}
@Test
public void qualityComparator() throws Exception {
MediaType audioBasic = new MediaType("audio", "basic");
MediaType audioWave = new MediaType("audio", "wave");
MediaType audio = new MediaType("audio");
MediaType audio03 = new MediaType("audio", "*", 0.3);
MediaType audio07 = new MediaType("audio", "*", 0.7);
MediaType audioBasicLevel = new MediaType("audio", "basic", Collections.singletonMap("level", "1"));
MediaType textHtml = new MediaType("text", "html");
MediaType allXml = new MediaType("application", "*+xml");
MediaType all = MediaType.ALL;
Comparator<MediaType> comp = MediaType.QUALITY_VALUE_COMPARATOR;
// equal
assertEquals("Invalid comparison result", 0, comp.compare(audioBasic,audioBasic));
assertEquals("Invalid comparison result", 0, comp.compare(audio, audio));
assertEquals("Invalid comparison result", 0, comp.compare(audio07, audio07));
assertEquals("Invalid comparison result", 0, comp.compare(audio03, audio03));
assertEquals("Invalid comparison result", 0, comp.compare(audioBasicLevel, audioBasicLevel));
// specific to unspecific
assertTrue("Invalid comparison result", comp.compare(audioBasic, audio) < 0);
assertTrue("Invalid comparison result", comp.compare(audioBasic, all) < 0);
assertTrue("Invalid comparison result", comp.compare(audio, all) < 0);
assertTrue("Invalid comparison result", comp.compare(MediaType.APPLICATION_XHTML_XML, allXml) < 0);
// unspecific to specific
assertTrue("Invalid comparison result", comp.compare(audio, audioBasic) > 0);
assertTrue("Invalid comparison result", comp.compare(all, audioBasic) > 0);
assertTrue("Invalid comparison result", comp.compare(all, audio) > 0);
assertTrue("Invalid comparison result", comp.compare(allXml, MediaType.APPLICATION_XHTML_XML) > 0);
// qualifiers
assertTrue("Invalid comparison result", comp.compare(audio, audio07) < 0);
assertTrue("Invalid comparison result", comp.compare(audio07, audio) > 0);
assertTrue("Invalid comparison result", comp.compare(audio07, audio03) < 0);
assertTrue("Invalid comparison result", comp.compare(audio03, audio07) > 0);
assertTrue("Invalid comparison result", comp.compare(audio03, all) > 0);
assertTrue("Invalid comparison result", comp.compare(all, audio03) < 0);
// other parameters
assertTrue("Invalid comparison result", comp.compare(audioBasic, audioBasicLevel) > 0);
assertTrue("Invalid comparison result", comp.compare(audioBasicLevel, audioBasic) < 0);
// different types
assertEquals("Invalid comparison result", 0, comp.compare(audioBasic, textHtml));
assertEquals("Invalid comparison result", 0, comp.compare(textHtml, audioBasic));
// different subtypes
assertEquals("Invalid comparison result", 0, comp.compare(audioBasic, audioWave));
assertEquals("Invalid comparison result", 0, comp.compare(audioWave, audioBasic));
}
@Test
public void sortByQualityRelated() {
MediaType audioBasic = new MediaType("audio", "basic");
MediaType audio = new MediaType("audio");
MediaType audio03 = new MediaType("audio", "*", 0.3);
MediaType audio07 = new MediaType("audio", "*", 0.7);
MediaType audioBasicLevel = new MediaType("audio", "basic", Collections.singletonMap("level", "1"));
MediaType all = MediaType.ALL;
List<MediaType> expected = new ArrayList<MediaType>();
expected.add(audioBasicLevel);
expected.add(audioBasic);
expected.add(audio);
expected.add(all);
expected.add(audio07);
expected.add(audio03);
List<MediaType> result = new ArrayList<MediaType>(expected);
Random rnd = new Random();
// shuffle & sort 10 times
for (int i = 0; i < 10; i++) {
Collections.shuffle(result, rnd);
MediaType.sortByQualityValue(result);
for (int j = 0; j < result.size(); j++) {
assertSame("Invalid media type at " + j, expected.get(j), result.get(j));
}
}
}
@Test
public void sortByQualityUnrelated() {
MediaType audioBasic = new MediaType("audio", "basic");
MediaType audioWave = new MediaType("audio", "wave");
MediaType textHtml = new MediaType("text", "html");
List<MediaType> expected = new ArrayList<MediaType>();
expected.add(textHtml);
expected.add(audioBasic);
expected.add(audioWave);
List<MediaType> result = new ArrayList<MediaType>(expected);
MediaType.sortBySpecificity(result);
for (int i = 0; i < result.size(); i++) {
assertSame("Invalid media type at " + i, expected.get(i), result.get(i));
}
}
@Test
public void testWithConversionService() {
ConversionService conversionService = new DefaultConversionService();
assertTrue(conversionService.canConvert(String.class, MediaType.class));
MediaType mediaType = MediaType.parseMediaType("application/xml");
assertEquals(mediaType, conversionService.convert("application/xml", MediaType.class));
}
@Test
public void isConcrete() {
assertTrue("text/plain not concrete", MediaType.TEXT_PLAIN.isConcrete());
assertFalse("*/* concrete", MediaType.ALL.isConcrete());
assertFalse("text/* concrete", new MediaType("text", "*").isConcrete());
}
}