mailbox/jpa/src/test/java/org/apache/james/mailbox/jpa/mail/model/openjpa/JPAMailboxMessageTest.java

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package org.apache.james.mailbox.jpa.mail.model.openjpa;

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

import java.nio.charset.StandardCharsets;

import org.apache.commons.io.IOUtils;
import org.junit.jupiter.api.Test;

class JPAMailboxMessageTest {

    /**
     * Even though there should never be a null body, it does happen. See JAMES-2384
     */
    @Test
    void getFullContentShouldReturnOriginalContentWhenBodyFieldIsNull() throws Exception {

        // Prepare the message
        byte[] content = "Subject: the null message".getBytes(StandardCharsets.UTF_8);
        JPAMailboxMessage message = new JPAMailboxMessage(content, null);

        // Get and check
        assertThat(IOUtils.toByteArray(message.getFullContent())).containsExactly(content);

    }

}