log4j/src/scratchpad/testcases/org/apache/poi/hmef/attribute/TestTNEFAttributes.java

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   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
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package org.apache.poi.hmef.attribute;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Locale;

import org.apache.poi.POIDataSamples;
import org.apache.poi.hmef.Attachment;
import org.apache.poi.hmef.HMEFMessage;
import org.apache.poi.hsmf.datatypes.MAPIProperty;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.LocaleUtil;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

public final class TestTNEFAttributes {
    private static final POIDataSamples _samples = POIDataSamples.getHMEFInstance();
    private HMEFMessage quick;

    @BeforeEach
    void setUp() throws Exception {
        try (InputStream is = _samples.openResourceAsStream("quick-winmail.dat")) {
            quick = new HMEFMessage(is);
        }
    }

    /**
     * Test counts
     */
    @Test
    void testCounts() throws Exception {
        // The message should have 4 attributes
        assertEquals(4, quick.getMessageAttributes().size());

        // Each attachment should have 6 attributes
        for (Attachment attach : quick.getAttachments()) {
            assertEquals(6, attach.getAttributes().size());
        }
    }

    /**
     * Test the basics
     */
    @Test
    void testBasics() throws Exception {
        // An int one
        assertEquals(
                0x010000,
                LittleEndian.getInt(quick.getMessageAttribute(TNEFProperty.ID_TNEFVERSION).getData())
        );

        // Claims not to be text, but really is
        assertEquals(
                "IPM.Microsoft Mail.Note\0",
            new String(quick.getMessageAttribute(TNEFProperty.ID_MESSAGECLASS).getData(), StandardCharsets.US_ASCII)
        );

        // Try constructing two attributes
        byte[] data = new byte[]{
                // Level one, id 36870, type 8
                0x01, 0x06, (byte) 0x90, 0x08, 0x00,
                // Length 4
                0x04, 0x00, 0x00, 0x00,
                // Data
                0x00, 0x00, 0x01, 0x00,
                // Checksum
                0x01, 0x00,

                // level one, id 36871, type 6
                0x01, 0x07, (byte) 0x90, 0x06, 0x00,
                // Length 8
                0x08, 0x00, 0x00, 0x00,
                // Data
                (byte) 0xe4, 0x04, 0x00, 0x00,
                0x00, 0x00, 0x00, 0x00,
                // Checksum
                (byte) 0xe8, 0x00
        };
        ByteArrayInputStream bais = new ByteArrayInputStream(data);

        // Create them
        int level = bais.read();
        assertEquals(1, level);
        TNEFAttribute attr1 = TNEFAttribute.create(bais);

        level = bais.read();
        assertEquals(1, level);
        TNEFAttribute attr2 = TNEFAttribute.create(bais);

        assertEquals(-1, bais.read());

        // Check them
        assertEquals(TNEFProperty.ID_TNEFVERSION, attr1.getProperty());
        assertEquals(8, attr1.getType());
        assertEquals(4, attr1.getData().length);
        assertEquals(0x010000, LittleEndian.getInt(attr1.getData()));

        assertEquals(TNEFProperty.ID_OEMCODEPAGE, attr2.getProperty());
        assertEquals(6, attr2.getType());
        assertEquals(8, attr2.getData().length);
        assertEquals(0x04e4, LittleEndian.getInt(attr2.getData()));
    }

    /**
     * Test string based ones
     */
    @Test
    void testString() throws Exception {
        TNEFAttribute attr = quick.getAttachments().get(0).getAttribute(
                TNEFProperty.ID_ATTACHTITLE
        );
        assertNotNull(attr);
        assertEquals(TNEFStringAttribute.class, attr.getClass());

        // It is a null terminated string
	   assertEquals("quick.doc\u0000", new String(attr.getData(), StandardCharsets.US_ASCII));

        // But when we ask for the string, that is sorted for us
        TNEFStringAttribute str = (TNEFStringAttribute) attr;
        assertEquals("quick.doc", str.getString());
    }

    /**
     * Test date based ones
     */
    @Test
    void testDate() throws Exception {
        TNEFAttribute attr = quick.getAttachments().get(0).getAttribute(
                TNEFProperty.ID_ATTACHMODIFYDATE
        );
        assertNotNull(attr);
        assertEquals(TNEFDateAttribute.class, attr.getClass());

        // It is a series of date parts
        // Weds 28th April 2010 @ 12:40:56 UTC
        assertEquals(2010, LittleEndian.getUShort(attr.getData(), 0));
        assertEquals(04, LittleEndian.getUShort(attr.getData(), 2));
        assertEquals(28, LittleEndian.getUShort(attr.getData(), 4));
        assertEquals(12, LittleEndian.getUShort(attr.getData(), 6));
        assertEquals(40, LittleEndian.getUShort(attr.getData(), 8));
        assertEquals(56, LittleEndian.getUShort(attr.getData(), 10));
        assertEquals(3, LittleEndian.getUShort(attr.getData(), 12)); // Weds

        // Ask for it as a Java date, and have it converted
        // Pick a predictable format + location + timezone
        TNEFDateAttribute date = (TNEFDateAttribute) attr;
        DateFormat fmt = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss", Locale.UK);
        fmt.setTimeZone(LocaleUtil.TIMEZONE_UTC);
        assertEquals("28-Apr-2010 12:40:56", fmt.format(date.getDate()));
    }

    /**
     * Test a bit of mapi
     */
    @Test
    void testMAPI() throws Exception {
        // Message MAPI
        TNEFAttribute attr = quick.getMessageAttribute(
                TNEFProperty.ID_MAPIPROPERTIES
        );
        assertNotNull(attr);
        assertEquals(TNEFMAPIAttribute.class, attr.getClass());

        TNEFMAPIAttribute mapi = (TNEFMAPIAttribute) attr;
        assertEquals(54, mapi.getMAPIAttributes().size());
        assertEquals(
                MAPIProperty.ALTERNATE_RECIPIENT_ALLOWED,
                mapi.getMAPIAttributes().get(0).getProperty()
        );


        // Attribute MAPI
        attr = quick.getAttachments().get(0).getAttribute(
                TNEFProperty.ID_ATTACHMENT
        );
        assertNotNull(attr);
        assertEquals(TNEFMAPIAttribute.class, attr.getClass());

        mapi = (TNEFMAPIAttribute) attr;
        assertEquals(22, mapi.getMAPIAttributes().size());
        assertEquals(
                MAPIProperty.ATTACH_SIZE,
                mapi.getMAPIAttributes().get(0).getProperty()
        );
    }

    /**
     * Test common ones via helpers
     */
    @Test
    void testCommon() throws Exception {
        assertEquals("This is a test message", quick.getSubject());
        assertEquals("quick.doc", quick.getAttachments().get(0).getFilename());
    }
}