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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
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package org.apache.james.mailrepository.memory;

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

import java.util.Optional;

import org.apache.commons.configuration2.BaseHierarchicalConfiguration;
import org.apache.james.mailrepository.api.Protocol;
import org.junit.jupiter.api.Test;

import com.google.common.collect.ImmutableList;

class MailRepositoryStoreConfigurationTest {
    @Test
    void defaultProtocolShouldReturnEmptyWhenEmpty() {
        Optional<Protocol> defaultProtocol = MailRepositoryStoreConfiguration.computeDefaultProtocol(ImmutableList.of());

        assertThat(defaultProtocol).isEmpty();
    }

    @Test
    void defaultProtocolShouldReturnEmptyWhenEmptyItems() {
        Optional<Protocol> defaultProtocol = MailRepositoryStoreConfiguration.computeDefaultProtocol(ImmutableList.of(
            new MailRepositoryStoreConfiguration.Item(
                ImmutableList.of(),
                "class.fqdn",
                new BaseHierarchicalConfiguration())));

        assertThat(defaultProtocol).isEmpty();
    }

    @Test
    void defaultProtocolShouldReturnFirstConfiguredProtocol() {
        Optional<Protocol> defaultProtocol = MailRepositoryStoreConfiguration.computeDefaultProtocol(ImmutableList.of(
            new MailRepositoryStoreConfiguration.Item(
                ImmutableList.of(new Protocol("1"), new Protocol("2")),
                "class.fqdn",
                new BaseHierarchicalConfiguration())));

        assertThat(defaultProtocol).contains(new Protocol("1"));
    }

    @Test
    void defaultProtocolShouldSkipItemsWithNoProtocols() {
        Optional<Protocol> defaultProtocol = MailRepositoryStoreConfiguration.computeDefaultProtocol(ImmutableList.of(
            new MailRepositoryStoreConfiguration.Item(
                ImmutableList.of(),
                "class.fqdn",
                new BaseHierarchicalConfiguration()),
            new MailRepositoryStoreConfiguration.Item(
                ImmutableList.of(new Protocol("1")),
                "class.fqdn",
                new BaseHierarchicalConfiguration())));

        assertThat(defaultProtocol).contains(new Protocol("1"));
    }
}