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 * 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   *
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 *   http://www.apache.org/licenses/LICENSE-2.0                 *
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 * 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    *
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 * under the License.                                           *
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package org.apache.james.server.core;

import static org.assertj.core.api.Assertions.assertThat;

import org.junit.jupiter.api.Test;

public class ContentTypeCleanerTest {
    @Test
    void nullContentTypeShouldReturnNull() {
        assertThat(ContentTypeCleaner
                .cleanContentType(null, null))
                .isNull();
    }

    @Test
    void emptyContentTypeShouldReturnNull() {
        assertThat(ContentTypeCleaner
                .cleanContentType(null, ""))
                .isNull();
    }

    @Test
    void invalidContentTypeShouldReturnNull() {
        assertThat(ContentTypeCleaner
                .cleanContentType(null, "I'mNotValid"))
                .isNull();
    }

    @Test
    void validContentTypeShouldReturnTheRawInput() {
        String contentType = "application/pdf";
        assertThat(ContentTypeCleaner
                .cleanContentType(null, contentType))
                .isEqualTo(contentType);
    }
}
