/*******************************************************************************
 * Copyright (c) 2012-2016 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.everrest.core.impl.header;

import com.google.common.collect.ImmutableMap;
import com.tngtech.java.junit.dataprovider.DataProvider;
import com.tngtech.java.junit.dataprovider.DataProviderRunner;
import com.tngtech.java.junit.dataprovider.UseDataProvider;

import org.junit.Test;
import org.junit.runner.RunWith;

import java.util.Map;

import static org.junit.Assert.assertEquals;

@RunWith(DataProviderRunner.class)
public class AcceptMediaTypeHeaderDelegateTest {
    @DataProvider
    public static Object[][] forTestParsingAcceptMediaTypeHeader() {
        return new Object[][]{
                {"text/xml;charset=utf8",        "text", "xml", ImmutableMap.of("charset", "utf8"), 1.0f},
                {"text/xml;charset=utf8;q=.825", "text", "xml", ImmutableMap.of("charset", "utf8", "q", ".825"), 0.825f},
                {"text/*;charset=utf8",          "text", "*", ImmutableMap.of("charset", "utf8"), 1.0f},
                {"text/*;charset=utf8;q=0.777",  "text", "*", ImmutableMap.of("charset", "utf8", "q", "0.777"), 0.777f},
                {"text;charset=utf8",            "text", "*", ImmutableMap.of("charset", "utf8"), 1.0f}
        };
    }

    @UseDataProvider("forTestParsingAcceptMediaTypeHeader")
    @Test
    public void testParsingAcceptMediaTypeHeader(String acceptMediaTypeHeader, String type, String subType, Map<String,String> parameters, float qValue) {
        AcceptMediaTypeHeaderDelegate headerDelegate = new AcceptMediaTypeHeaderDelegate();
        AcceptMediaType acceptMediaType = headerDelegate.fromString(acceptMediaTypeHeader);

        assertEquals(type, acceptMediaType.getType());
        assertEquals(subType, acceptMediaType.getSubtype());
        assertEquals(parameters, acceptMediaType.getParameters());
        assertEquals(qValue, acceptMediaType.getQvalue(), 0.0F);
    }

    @DataProvider
    public static Object[][] forTestAcceptMediaTypeToString() {
        return new Object[][]{
                {new AcceptMediaType(), "*/*"},
                {new AcceptMediaType("text", "xml"), "text/xml"},
                {new AcceptMediaType("text", "xml", ImmutableMap.of("charset", "utf8")), "text/xml;charset=utf8"},
                {new AcceptMediaType("text", "xml", ImmutableMap.of("charset", "utf8", "q", ".8")), "text/xml;charset=utf8"}
        };
    }

    @UseDataProvider("forTestAcceptMediaTypeToString")
    @Test
    public void testAcceptMediaTypeToString(AcceptMediaType acceptMediaType, String expectedResult) {
        AcceptMediaTypeHeaderDelegate headerDelegate = new AcceptMediaTypeHeaderDelegate();
        assertEquals(expectedResult, headerDelegate.toString(acceptMediaType));
    }

    @Test(expected = IllegalArgumentException.class)
    public void throwExceptionWhenAcceptMediaTypeHeaderIsNull() {
        new AcceptMediaTypeHeaderDelegate().fromString(null);
    }

    @Test(expected = IllegalArgumentException.class)
    public void throwExceptionWhenAcceptMediaTypeIsNull() {
        new AcceptMediaTypeHeaderDelegate().toString(null);
    }
}