/*
* Copyright 2014 the original author or authors.
*
* Licensed 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 under the License.
*/
package org.springframework.data.hadoop.store;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.apache.hadoop.fs.Path;
import org.junit.Test;
import org.springframework.data.hadoop.store.input.TextFileReader;
import org.springframework.data.hadoop.store.output.PartitionTextFileWriter;
import org.springframework.data.hadoop.store.output.TextFileWriter;
import org.springframework.data.hadoop.store.partition.DefaultPartitionStrategy;
import org.springframework.data.hadoop.store.strategy.naming.StaticFileNamingStrategy;
import org.springframework.data.hadoop.test.context.HadoopDelegatingSmartContextLoader;
import org.springframework.data.hadoop.test.context.MiniHadoopCluster;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.util.StringUtils;
@ContextConfiguration(loader=HadoopDelegatingSmartContextLoader.class)
@MiniHadoopCluster
public class TextFileStoreAppendTests extends AbstractStoreTests {
@org.springframework.context.annotation.Configuration
static class Config {
// just empty to survive without xml configs
}
@Test
public void testWriteAppendReadTextManyLines() throws IOException {
TextFileWriter writer = new TextFileWriter(getConfiguration(), testDefaultPath, null);
writer.setAppendable(true);
TestUtils.writeData(writer, DATA09ARRAY, false);
TextFileReader reader = new TextFileReader(getConfiguration(), testDefaultPath, null);
TestUtils.readDataAndAssert(reader, DATA09ARRAY);
writer.close();
}
@Test
public void testWriteAppendReopen() throws IOException {
TextFileWriter writer = new TextFileWriter(getConfiguration(), testDefaultPath, null);
writer.setAppendable(true);
TestUtils.writeData(writer, DATA09ARRAY, false);
TextFileReader reader = new TextFileReader(getConfiguration(), testDefaultPath, null);
TestUtils.readDataAndAssert(reader, DATA09ARRAY);
writer.close();
reader.close();
writer = new TextFileWriter(getConfiguration(), testDefaultPath, null);
writer.setAppendable(true);
TestUtils.writeData(writer, DATA09ARRAY, false);
reader = new TextFileReader(getConfiguration(), testDefaultPath, null);
TestUtils.readDataAndAssert(reader, StringUtils.concatenateStringArrays(DATA09ARRAY, DATA09ARRAY));
writer.close();
reader.close();
}
@Test
public void testMapWriteAppendReadTextOneLine() throws IOException {
String expression = "path(region,dateFormat('yyyy/MM',timestamp),hash(region,1),list(region,{{'jee','foo'}}),range(range,{10}))";
String[] dataArray = new String[] { DATA10 };
DefaultPartitionStrategy<String> strategy = new DefaultPartitionStrategy<String>(expression);
Map<String, Object> headers = new HashMap<String, Object>();
headers.put("region", "foo");
headers.put("range", 10);
headers.put("timestamp", System.currentTimeMillis());
String nowYYYYMM = new SimpleDateFormat("yyyy/MM").format(new Date());
PartitionTextFileWriter<Map<String, Object>> writer =
new PartitionTextFileWriter<Map<String, Object>>(getConfiguration(), testDefaultPath, null, strategy);
writer.setFileNamingStrategyFactory(new StaticFileNamingStrategy("bar"));
writer.setAppendable(true);
writer.write(dataArray[0], headers);
writer.flush();
TextFileReader reader = new TextFileReader(getConfiguration(), new Path(testDefaultPath, "foo/" + nowYYYYMM + "/0_hash/jee_list/10_range/bar"), null);
TestUtils.readDataAndAssert(reader, dataArray);
writer.close();
reader.close();
}
}