/* Copyright 2002-2017 CS Systèmes d'Information
 * Licensed to CS Systèmes d'Information (CS) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * CS licenses this file to You 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.orekit.files.ccsds;

import org.junit.Assert;
import org.junit.Test;
import org.orekit.errors.OrekitException;
import org.orekit.errors.OrekitMessages;


public class KeyValueTest {

    @Test
    public void testUppercase() {
        for (final Keyword keyword : Keyword.values()) {
            KeyValue kv = new KeyValue("  " + keyword + " = " + "aaa", 12, "dummy");
            Assert.assertEquals(keyword, kv.getKeyword());
            Assert.assertEquals(keyword.toString(), kv.getKey());
            if (keyword == Keyword.COMMENT) {
                Assert.assertEquals("aaa", kv.getValue());
            } else {
                Assert.assertEquals("AAA", kv.getValue());
            }
            try {
                kv.getDoubleValue();
                Assert.fail("an exception should have been thrown");
            } catch (OrekitException oe) {
                Assert.assertEquals(OrekitMessages.UNABLE_TO_PARSE_LINE_IN_FILE, oe.getSpecifier());
                Assert.assertEquals(12, ((Integer) oe.getParts()[0]).intValue());
                Assert.assertEquals("dummy", ((String) oe.getParts()[1]));
            }
        }
    }

    @Test
    public void testUserDefined() throws OrekitException {
        KeyValue kv = new KeyValue("USER_DEFINED_TEST_KEY = Orekit", 3, "dummy");
        Assert.assertEquals(Keyword.USER_DEFINED_X, kv.getKeyword());
        Assert.assertEquals("USER_DEFINED_TEST_KEY", kv.getKey());
        Assert.assertEquals("OREKIT", kv.getValue());
    }

    @Test
    public void testUnknownKey() throws OrekitException {
        KeyValue kv = new KeyValue("INEXISTENT_KEY = 1.0e-5", 5, "dummy");
        Assert.assertNull(kv.getKeyword());
        Assert.assertEquals("INEXISTENT_KEY", kv.getKey());
        Assert.assertEquals("1.0E-5", kv.getValue());
        Assert.assertEquals(1.0e-5, kv.getDoubleValue(), 1.0e-15);
    }

    @Test
    public void testBadSyntax() throws OrekitException {
        KeyValue kv = new KeyValue("there are no equal sign in this line", 17, "dummy");
        Assert.assertNull(kv.getKeyword());
        Assert.assertEquals("", kv.getKey());
        Assert.assertEquals("", kv.getValue());
    }

    @Test
    public void testUnderscoreEqualsBlank() throws OrekitException {
        KeyValue kv = new KeyValue("CENTER_NAME = EARTH_BARYCENTER", 1, "dummy");
        Assert.assertEquals(Keyword.CENTER_NAME, kv.getKeyword());
        Assert.assertEquals("EARTH BARYCENTER", kv.getValue());
    }

    @Test
    public void testCoalescedBlanks() throws OrekitException {
        KeyValue kv = new KeyValue("CENTER_NAME = EARTH    ___     BARYCENTER    ", 1, "dummy");
        Assert.assertEquals(Keyword.CENTER_NAME, kv.getKeyword());
        Assert.assertEquals("EARTH BARYCENTER", kv.getValue());
    }

}