mailet/standard/src/test/java/org/apache/james/transport/matchers/SubjectIsTest.java

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package org.apache.james.transport.matchers;

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

import javax.mail.MessagingException;
import javax.mail.internet.AddressException;

import org.apache.mailet.MailAddress;
import org.apache.mailet.base.test.FakeMail;
import org.apache.mailet.base.test.FakeMailContext;
import org.apache.mailet.base.test.FakeMatcherConfig;
import org.apache.mailet.base.test.MailUtil;
import org.junit.Before;
import org.junit.Test;

public class SubjectIsTest {

    private SubjectIs matcher;
    private MailAddress roger;

    @Before
    public void setup() throws AddressException {
        matcher = new SubjectIs();
        roger = new MailAddress("roger@nasa.org");
    }
    
    @Test
    public void shouldMatchWhenSubjectEqualsConfiguredValue() throws MessagingException {
        FakeMail mail = FakeMail.builder()
                .mimeMessage(MailUtil.createMimeMessageWithSubject("test"))
                .recipients(roger)
                .build();
        
        FakeMatcherConfig mailetConfig = new FakeMatcherConfig("SubjectIs=test", FakeMailContext.defaultContext());
        
        matcher.init(mailetConfig);

        assertThat(matcher.match(mail)).containsExactly(roger);
    }

    @Test
    public void shouldNotMatchWhenSubjectDoesntEqualsConfiguredValue() throws MessagingException {
        FakeMail mail = FakeMail.builder()
                .mimeMessage(MailUtil.createMimeMessageWithSubject("foobar"))
                .recipients(roger)
                .build();
        
        FakeMatcherConfig mailetConfig = new FakeMatcherConfig("SubjectIs=foo", FakeMailContext.defaultContext());
        
        matcher.init(mailetConfig);

        assertThat(matcher.match(mail)).isNull();
    }
    
    @Test
    public void shouldNotMatchWhenNoSubject() throws MessagingException {
        FakeMail mail = FakeMail.builder()
                .mimeMessage(MailUtil.createMimeMessageWithSubject(null))
                .recipients(roger)
                .build();
        
        FakeMatcherConfig mailetConfig = new FakeMatcherConfig("SubjectIs=foo", FakeMailContext.defaultContext());
        
        matcher.init(mailetConfig);

        assertThat(matcher.match(mail)).isNull();
    }
}