org.mrgeo.hdfs.vector.CsvOutputFormatTest.java Source code

Java tutorial

Introduction

Here is the source code for org.mrgeo.hdfs.vector.CsvOutputFormatTest.java

Source

/*
 * Copyright 2009-2016 DigitalGlobe, Inc.
 *
 * 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.mrgeo.hdfs.vector;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.RawLocalFileSystem;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mrgeo.data.vector.FeatureIdWritable;
import org.mrgeo.geometry.GeometryFactory;
import org.mrgeo.geometry.WritableGeometry;
import org.mrgeo.junit.UnitTest;
import org.mrgeo.test.TestUtils;

import java.io.File;

@Ignore
@SuppressWarnings("all") // test code, not included in production
public class CsvOutputFormatTest {
    @Test
    @Category(UnitTest.class)
    public void testBasics() throws Exception {
        // this class and its unit tests are a work in progress.
        FileSystem fs = new RawLocalFileSystem();
        try {
            String output = TestUtils.composeOutputDir(CsvOutputFormatTest.class);

            Configuration c = new Configuration();
            fs.setConf(c);
            Path testFile = new Path(output, "testBasics.csv");
            testFile = fs.makeQualified(testFile);
            Path columns = new Path(testFile.toString() + ".columns");

            CsvOutputFormat.CsvRecordWriter writer = new CsvOutputFormat.CsvRecordWriter(columns, testFile);

            WritableGeometry f = GeometryFactory.createEmptyGeometry();

            f.setAttribute("string1", "foo");
            f.setAttribute("int1", "1");
            f.setAttribute("double1", "2.0");
            writer.write(new FeatureIdWritable(0), f);

            f.setAttribute("string1", "bar");
            f.setAttribute("int1", "3");
            f.setAttribute("double1", "4.0");
            writer.write(new FeatureIdWritable(1), f);

            writer.close(null);

            String input = TestUtils.composeInputDir(CsvOutputFormatTest.class);

            File csvBaselineFile = new File(input, "testBasics.csv");
            File csvOutputFile = new File(output, "testBasics.csv");
            TestUtils.compareTextFiles(csvBaselineFile.getAbsoluteFile(), csvOutputFile.getAbsoluteFile());

            File columnsBaselineFile = new File(input, "testBasics.csv.columns");
            File columnsOutputFile = new File(output, "testBasics.csv.columns");

            TestUtils.compareTextFiles(columnsBaselineFile.getAbsoluteFile(), columnsOutputFile.getAbsoluteFile());
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        } finally {
            fs.close();
        }
    }
}