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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.james.transport.matchers;

import static org.apache.mailet.base.MailAddressFixture.ANY_AT_JAMES;
import static org.apache.mailet.base.MailAddressFixture.OTHER_AT_JAMES;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;

import javax.mail.MessagingException;

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 RecipientIsRegexTest {

    private RecipientIsRegex matcher;

    @BeforeEach
    void setUp() {
        matcher = new RecipientIsRegex();
    }

    @Test
    void shouldMatchOneAddress() throws MessagingException {
        matcher.init(FakeMatcherConfig.builder()
                .matcherName("RecipientIsRegex")
                .condition(".*@.*")
                .build());

        FakeMail fakeMail = FakeMail.builder()
            .name("mail")
            .recipient(ANY_AT_JAMES)
            .build();

        assertThat(matcher.match(fakeMail)).containsOnly(ANY_AT_JAMES);
    }

    @Test
    void shouldNotMatchPartially() throws MessagingException {
        matcher.init(FakeMatcherConfig.builder()
                .matcherName("RecipientIsRegex")
                .condition("any")
                .build());

        FakeMail fakeMail = FakeMail.builder()
            .name("mail")
            .recipient(ANY_AT_JAMES)
            .build();

        assertThat(matcher.match(fakeMail)).isEmpty();
    }

    @Test
    void shouldMatchOnlyMatchingPatterns() throws MessagingException {
        matcher.init(FakeMatcherConfig.builder()
                .matcherName("RecipientIsRegex")
                .condition("^any@.*")
                .build());

        FakeMail fakeMail = FakeMail.builder()
            .name("mail")
            .recipients(ANY_AT_JAMES, OTHER_AT_JAMES)
            .build();

        assertThat(matcher.match(fakeMail)).containsOnly(ANY_AT_JAMES);
    }

    @Test
    void shouldNotMatchNonMatchingPatterns() throws MessagingException {
        matcher.init(FakeMatcherConfig.builder()
                .matcherName("RecipientIsRegex")
                .condition(".*\\+")
                .build());

        FakeMail fakeMail = FakeMail.builder()
            .name("mail")
            .recipients(ANY_AT_JAMES, OTHER_AT_JAMES)
            .build();

        assertThat(matcher.match(fakeMail)).isEmpty();
    }

    @Test
    void testRegexIsNotMatchedCauseError() {
        assertThatThrownBy(() ->
            matcher.init(FakeMatcherConfig.builder()
                .matcherName("RecipientIsRegex")
                .condition("(.")
                .build()))
            .isInstanceOf(MessagingException.class);
    }

    @Test
    void testThrowExceptionWithEmptyPattern() {
        assertThatThrownBy(() ->
            matcher.init(FakeMatcherConfig.builder()
                .matcherName("RecipientIsRegex")
                .build()))
            .isInstanceOf(MessagingException.class);
    }

    @Test
    void testThrowExceptionWithNoCondition() {
        assertThatThrownBy(() ->
            matcher.init(FakeMatcherConfig.builder()
                .matcherName("RecipientIsRegex")
                .build()))
            .isInstanceOf(MessagingException.class);
    }
}
