com.monarchapis.driver.util.MIMEParseTest.java Source code

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Here is the source code for com.monarchapis.driver.util.MIMEParseTest.java

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/*
 * Copyright (C) 2015 CapTech Ventures, Inc.
 * (http://www.captechconsulting.com) All Rights Reserved.
 *
 * 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 com.monarchapis.driver.util;

import static org.junit.Assert.*;

import java.util.Arrays;
import java.util.List;

import org.apache.commons.lang3.StringUtils;
import org.junit.Test;

public class MIMEParseTest {
    @Test
    public void testParseMediaRange() {
        assertEquals("('application', 'xml', {'q':'1',})",
                MIMEParse.parseMediaRange("application/xml;q=1").toString());
        assertEquals("('application', 'xml', {'q':'1',})", MIMEParse.parseMediaRange("application/xml").toString());
        assertEquals("('application', 'xml', {'q':'1',})",
                MIMEParse.parseMediaRange("application/xml;q=").toString());
        assertEquals("('application', 'xml', {'q':'1',})",
                MIMEParse.parseMediaRange("application/xml ; q=").toString());
        assertEquals("('application', 'xml', {'b':'other','q':'1',})",
                MIMEParse.parseMediaRange("application/xml ; q=1;b=other").toString());
        assertEquals("('application', 'xml', {'b':'other','q':'1',})",
                MIMEParse.parseMediaRange("application/xml ; q=2;b=other").toString());
        // Java URLConnection class sends an Accept header that includes a
        // single *
        assertEquals("('*', '*', {'q':'.2',})", MIMEParse.parseMediaRange(" *; q=.2").toString());
    }

    @Test
    public void testRFC2616Example() {
        String accept = "text/*;q=0.3, text/html;q=0.7, text/html;level=1, text/html;level=2;q=0.4, */*;q=0.5";

        assertEquals(1.0f, MIMEParse.quality("text/html;level=1", accept), 0);
        assertEquals(0.7f, MIMEParse.quality("text/html", accept), 0);
        assertEquals(0.3f, MIMEParse.quality("text/plain", accept), 0);
        assertEquals(0.5f, MIMEParse.quality("image/jpeg", accept), 0);
        assertEquals(0.4f, MIMEParse.quality("text/html;level=2", accept), 0);
        assertEquals(0.7f, MIMEParse.quality("text/html;level=3", accept), 0);
    }

    @Test
    public void testBestMatch() {
        List<String> mimeTypesSupported = Arrays
                .asList(StringUtils.split("application/xbel+xml,application/xml", ','));

        // direct match
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "application/xbel+xml"), "application/xbel+xml");

        // direct match with a q parameter
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "application/xbel+xml;q=1"), "application/xbel+xml");

        // direct match of our second choice with a q parameter
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "application/xml;q=1"), "application/xml");

        // match using a subtype wildcard
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "application/*;q=1"), "application/xml");

        // match using a type wildcard
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "*/*"), "application/xml");

        mimeTypesSupported = Arrays.asList(StringUtils.split("application/xbel+xml,text/xml", ','));

        // match using a type versus a lower weighted subtype
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "text/*;q=0.5,*/*;q=0.1"), "text/xml");

        // fail to match anything
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "text/html,application/atom+xml; q=0.9"), "");

        // common AJAX scenario
        mimeTypesSupported = Arrays.asList(StringUtils.split("application/json,text/html", ','));
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "application/json,text/javascript, */*"),
                "application/json");

        // verify fitness ordering
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "application/json,text/html;q=0.9"),
                "application/json");
    }

    @Test
    public void testSupportWildcards() {
        List<String> mimeTypesSupported = Arrays.asList(StringUtils.split("image/*,application/xml", ','));

        // match using a type wildcard
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "image/png"), "image/*");
        // match using a wildcard for both requested and supported
        assertEquals(MIMEParse.bestMatch(mimeTypesSupported, "image/*"), "image/*");
    }
}