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package org.apache.james.transport.matchers;

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

import java.util.Collection;

import javax.mail.MessagingException;

import org.apache.james.core.MailAddress;
import org.apache.james.queue.api.MailPrioritySupport;
import org.apache.mailet.Attribute;
import org.apache.mailet.AttributeValue;
import org.apache.mailet.base.test.FakeMail;
import org.apache.mailet.base.test.FakeMatcherConfig;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

class AtLeastPriorityTest {
    protected AtLeastPriority matcher;
    protected MailAddress testRecipient;
    private final String condition = "5";

    private FakeMail createFakeMail(Integer priority) throws MessagingException {
        FakeMail fakeMail = FakeMail.builder().name("test-message")
                .recipient(testRecipient)
                .attribute(new Attribute(MailPrioritySupport.MAIL_PRIORITY, AttributeValue.of(priority)))
                .build();
        return fakeMail;
    }

    @BeforeEach
    void setup() throws MessagingException {
        this.matcher = new AtLeastPriority();
        FakeMatcherConfig matcherConfig = FakeMatcherConfig.builder()
                .matcherName(matcher.getPriorityMatcherName())
                .condition(condition)
                .build();

        matcher.init(matcherConfig);
        testRecipient = new MailAddress("test@james.apache.org");
    }

    @Test
    void shouldNotMatchWhenPriorityDoesNotMatch() throws MessagingException {
        FakeMail fakeMail = createFakeMail(3);

        Collection<MailAddress> actual = matcher.match(fakeMail);

        assertThat(actual).isEmpty();
    }

    @Test
    void shouldMatchWhenPriorityMatch() throws MessagingException {
        FakeMail fakeMail = createFakeMail(5);

        Collection<MailAddress> actual = matcher.match(fakeMail);

        assertThat(actual).containsOnly(testRecipient);
    }

    @Test
    void shouldMatchWhenMailHasHigherPriority() throws MessagingException {
        FakeMail fakeMail = createFakeMail(7);

        Collection<MailAddress> actual = matcher.match(fakeMail);

        assertThat(actual).containsOnly(testRecipient);
    }

}
