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 * distributed with this work for additional information        *
 * 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   *
 * with the License.  You may obtain a copy of the License at   *
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 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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 * under the License.                                           *
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package org.apache.james.utils;

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

import org.apache.commons.configuration2.Configuration;
import org.junit.jupiter.api.Test;

public class ExtensionConfigurationTest {
    @Test
    void shouldReturnEmptyWhenNoField() throws Exception {
        Configuration configuration = getConfiguration("extensions-none");

        assertThat(ExtensionConfiguration.from(configuration).getAdditionalGuiceModulesForExtensions())
            .isEmpty();
    }

    @Test
    void shouldReturnEmptyWhenEmptyField() throws Exception {
        Configuration configuration = getConfiguration("extensions-empty");

        assertThat(ExtensionConfiguration.from(configuration).getAdditionalGuiceModulesForExtensions())
            .isEmpty();
    }

    @Test
    void shouldReturnOneRoutes() throws Exception {
        Configuration configuration = getConfiguration("extensions-one");

        assertThat(ExtensionConfiguration.from(configuration).getAdditionalGuiceModulesForExtensions())
            .containsOnly(new ClassName("org.apache.custom.extensions.CustomExtension"));
    }

    @Test
    void shouldReturnSeveralRoutes() throws Exception {
        Configuration configuration = getConfiguration("extensions-two");

        assertThat(ExtensionConfiguration.from(configuration).getAdditionalGuiceModulesForExtensions())
            .containsOnly(new ClassName("org.apache.custom.extensions.CustomExtension"),
                new ClassName("org.apache.custom.extension.AnotherCustomExtension"));
    }

    private Configuration getConfiguration(String name) throws Exception {
        return PropertiesProvider.forTesting().getConfiguration(name);
    }
}