/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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
 *
 *      https://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.apache.commons.text.lookup;

import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;

import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

/**
 * Tests {@link UrlDecoderStringLookup}.
 */
class UrlDecoderStringLookupTest {

    private static final String DATA = "Hello World!";

    @Test
    void testAllPercent() {
        Assertions.assertEquals(DATA, UrlDecoderStringLookup.INSTANCE.apply("Hello%20World%21"));
    }

    @Test
    void testExceptionGettingString() throws UnsupportedEncodingException {
        final UrlDecoderStringLookup mockLookup = spy(UrlDecoderStringLookup.class);
        when(mockLookup.decode(DATA, StandardCharsets.UTF_8.displayName()))
            .thenThrow(UnsupportedEncodingException.class);
        assertThrows(IllegalArgumentException.class, () -> mockLookup.apply(DATA));
    }

    @Test
    void testExclamation() {
        Assertions.assertEquals(DATA, UrlDecoderStringLookup.INSTANCE.apply("Hello%20World!"));
    }

    @Test
    void testNull() {
        Assertions.assertNull(UrlDecoderStringLookup.INSTANCE.apply(null));
    }

    @Test
    void testPlus() {
        Assertions.assertEquals(DATA, UrlDecoderStringLookup.INSTANCE.apply("Hello+World!"));
    }

    @Test
    void testToString() {
        // does not blow up and gives some kind of string.
        Assertions.assertFalse(UrlDecoderStringLookup.INSTANCE.toString().isEmpty());
    }

}
