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package org.apache.james.backends.cassandra.init;

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

import org.apache.commons.configuration2.FileBasedConfiguration;
import org.apache.commons.configuration2.PropertiesConfiguration;
import org.apache.commons.configuration2.builder.FileBasedConfigurationBuilder;
import org.apache.commons.configuration2.builder.fluent.Parameters;
import org.apache.commons.configuration2.ex.ConfigurationException;
import org.apache.james.backends.cassandra.init.configuration.CassandraConfiguration;
import org.junit.Test;

public class CassandraConfigurationReadingTest {

    @Test
    public void provideCassandraConfigurationShouldReturnDefaultOnEmptyConfigurationFile() {
        CassandraConfiguration configuration = CassandraConfiguration.from(new PropertiesConfiguration());

        assertThat(configuration).isEqualTo(CassandraConfiguration.DEFAULT_CONFIGURATION);
    }

    @Test
    public void provideCassandraConfigurationShouldReturnRightConfigurationFile() throws ConfigurationException {
        FileBasedConfigurationBuilder<FileBasedConfiguration> builder = new FileBasedConfigurationBuilder<FileBasedConfiguration>(PropertiesConfiguration.class)
            .configure(new Parameters()
                .fileBased()
                .setURL(ClassLoader.getSystemResource("cassandra.properties")));

        CassandraConfiguration configuration = CassandraConfiguration.from(builder.getConfiguration());

        assertThat(configuration)
            .isEqualTo(CassandraConfiguration.builder()
                .aclMaxRetry(1)
                .modSeqMaxRetry(2)
                .uidMaxRetry(3)
                .flagsUpdateMessageMaxRetry(4)
                .flagsUpdateMessageIdMaxRetry(5)
                .fetchNextPageInAdvanceRow(6)
                .messageReadChunkSize(7)
                .expungeChunkSize(8)
                .blobPartSize(9)
                .attachmentV2MigrationReadTimeout(10)
                .messageAttachmentIdsReadTimeout(11)
                .build());
    }

}
