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 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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package org.elasticsearch.repositories.hdfs;

import com.carrotsearch.randomizedtesting.annotations.ThreadLeakFilters;
import org.elasticsearch.action.admin.cluster.repositories.cleanup.CleanupRepositoryResponse;
import org.elasticsearch.action.support.master.AcknowledgedResponse;
import org.elasticsearch.common.settings.MockSecureSettings;
import org.elasticsearch.common.settings.SecureSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.repositories.AbstractThirdPartyRepositoryTestCase;

import java.util.Collection;

import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;

@ThreadLeakFilters(filters = HdfsClientThreadLeakFilter.class)
public class HdfsRepositoryTests extends AbstractThirdPartyRepositoryTestCase {

    @Override
    protected Collection<Class<? extends Plugin>> getPlugins() {
        return pluginList(HdfsPlugin.class);
    }

    @Override
    protected SecureSettings credentials() {
        return new MockSecureSettings();
    }

    @Override
    protected void createRepository(String repoName) {
        AcknowledgedResponse putRepositoryResponse = client().admin().cluster().preparePutRepository(repoName)
            .setType("hdfs")
            .setSettings(Settings.builder()
                .put("uri", "hdfs:///")
                .put("conf.fs.AbstractFileSystem.hdfs.impl", TestingFs.class.getName())
                .put("path", "foo")
                .put("chunk_size", randomIntBetween(100, 1000) + "k")
                .put("compress", randomBoolean())
            ).get();
        assertThat(putRepositoryResponse.isAcknowledged(), equalTo(true));
    }

    // HDFS repository doesn't have precise cleanup stats so we only check whether or not any blobs were removed
    @Override
    protected void assertCleanupResponse(CleanupRepositoryResponse response, long bytes, long blobs) {
        if (blobs > 0) {
            assertThat(response.result().blobs(), greaterThan(0L));
        } else {
            assertThat(response.result().blobs(), equalTo(0L));
        }
    }
}
