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package javax.mail.internet;
import java.io.StringBufferInputStream;
import java.io.IOException;
import java.util.Properties;
import javax.mail.Session;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import org.junit.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* Test the properties that control the MimeMultipart class.
* Since the properties are now read in the parse method, all
* these tests can be run in the same JVM.
*/
public class MimeMultipartPropertyTest {
private static Session s = Session.getInstance(new Properties());
/**
* Clear all properties before each test.
*/
@Before
public void beforeTest() {
clearAll();
}
@Test
public void testBoundary() throws Exception {
MimeMessage m = createMessage("x", "x", true);
MimeMultipart mp = (MimeMultipart)m.getContent();
assertEquals(mp.getCount(), 2);
}
@Test
public void testBoundaryIgnore() throws Exception {
System.setProperty(
"mail.mime.multipart.ignoreexistingboundaryparameter", "true");
MimeMessage m = createMessage("x", "-", true);
MimeMultipart mp = (MimeMultipart)m.getContent();
assertEquals(mp.getCount(), 2);
}
@Test
public void testBoundaryMissing() throws Exception {
MimeMessage m = createMessage(null, "x", true);
MimeMultipart mp = (MimeMultipart)m.getContent();
assertEquals(mp.getCount(), 2);
}
@Test(expected=MessagingException.class)
public void testBoundaryMissingEx() throws Exception {
System.setProperty(
"mail.mime.multipart.ignoremissingboundaryparameter", "false");
MimeMessage m = createMessage(null, "x", true);
MimeMultipart mp = (MimeMultipart)m.getContent();
mp.getCount(); // throw exception
assertTrue(false); // never get here
}
@Test
public void testEndBoundaryMissing() throws Exception {
MimeMessage m = createMessage("x", "x", false);
MimeMultipart mp = (MimeMultipart)m.getContent();
assertEquals(mp.getCount(), 2);
}
@Test(expected=MessagingException.class)
public void testEndBoundaryMissingEx() throws Exception {
System.setProperty(
"mail.mime.multipart.ignoremissingendboundary", "false");
MimeMessage m = createMessage("x", "x", false);
MimeMultipart mp = (MimeMultipart)m.getContent();
mp.getCount(); // throw exception
assertTrue(false); // never get here
}
@Test
public void testAllowEmpty() throws Exception {
System.setProperty( "mail.mime.multipart.allowempty", "true");
MimeMessage m = createEmptyMessage();
MimeMultipart mp = (MimeMultipart)m.getContent();
assertEquals(mp.getCount(), 0);
}
@Test(expected=MessagingException.class)
public void testAllowEmptyEx() throws Exception {
MimeMessage m = createEmptyMessage();
MimeMultipart mp = (MimeMultipart)m.getContent();
mp.getCount(); // throw exception
assertTrue(false); // never get here
}
@Test
public void testAllowEmptyOutput() throws Exception {
System.setProperty( "mail.mime.multipart.allowempty", "true");
MimeMessage m = new MimeMessage(s);
MimeMultipart mp = new MimeMultipart();
m.setContent(mp);
m.writeTo(new NullOutputStream());
assertEquals(mp.getCount(), 0);
}
@Test(expected=IOException.class)
public void testAllowEmptyOutputEx() throws Exception {
MimeMessage m = new MimeMessage(s);
MimeMultipart mp = new MimeMultipart();
m.setContent(mp);
m.writeTo(new NullOutputStream()); // throw exception
assertTrue(false); // never get here
}
/**
* Clear all properties after all tests.
*/
@AfterClass
public static void after() {
clearAll();
}
private static void clearAll() {
System.clearProperty(
"mail.mime.multipart.ignoreexistingboundaryparameter");
System.clearProperty(
"mail.mime.multipart.ignoremissingboundaryparameter");
System.clearProperty(
"mail.mime.multipart.ignoremissingendboundary");
System.clearProperty(
"mail.mime.multipart.allowempty");
}
/**
* Create a test message.
* If param is not null, it specifies the boundary parameter.
* The actual boundary is specified by "actual".
* If "end" is true, include the end boundary.
*/
private static MimeMessage createMessage(String param, String actual,
boolean end) throws MessagingException {
String content =
"Mime-Version: 1.0\n" +
"Subject: Example\n" +
"Content-Type: multipart/mixed; " +
(param != null ? "boundary=\"" + param + "\"" : "") + "\n" +
"\n" +
"preamble\n" +
"--" + actual + "\n" +
"\n" +
"first part\n" +
"\n" +
"--" + actual + "\n" +
"\n" +
"second part\n" +
"\n" +
(end ? "--" + actual + "--\n" : "");
return new MimeMessage(s, new StringBufferInputStream(content));
}
/**
* Create a test message with no parts.
*/
private static MimeMessage createEmptyMessage() throws MessagingException {
String content =
"Mime-Version: 1.0\n" +
"Subject: Example\n" +
"Content-Type: multipart/mixed; boundary=\"x\"\n\n";
return new MimeMessage(s, new StringBufferInputStream(content));
}
}