org.apache.tez.runtime.library.conf.TestShuffledUnorderedKVInputConfiguration.java Source code

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Here is the source code for org.apache.tez.runtime.library.conf.TestShuffledUnorderedKVInputConfiguration.java

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package org.apache.tez.runtime.library.conf;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.util.HashMap;
import java.util.Map;

import org.apache.hadoop.conf.Configuration;
import org.apache.tez.common.TezJobConfig;
import org.junit.Test;

public class TestShuffledUnorderedKVInputConfiguration {

    @Test
    public void testNullParams() {
        try {
            ShuffledUnorderedKVInputConfiguration.newBuilder(null, "VALUE");
            fail("Expecting a null parameter list to fail");
        } catch (NullPointerException npe) {
            assertTrue(npe.getMessage().contains("cannot be null"));
        }

        try {
            ShuffledUnorderedKVInputConfiguration.newBuilder("KEY", null);
            fail("Expecting a null parameter list to fail");
        } catch (NullPointerException npe) {
            assertTrue(npe.getMessage().contains("cannot be null"));
        }
    }

    @Test
    public void testSetters() {
        Configuration fromConf = new Configuration(false);
        fromConf.set("test.conf.key.1", "confkey1");
        fromConf.setInt(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_BYTES, 1111);
        fromConf.set("io.shouldExist", "io");
        Map<String, String> additionalConf = new HashMap<String, String>();
        additionalConf.put("test.key.2", "key2");
        additionalConf.put(TezJobConfig.TEZ_RUNTIME_IO_SORT_FACTOR, "3");
        additionalConf.put("file.shouldExist", "file");
        ShuffledUnorderedKVInputConfiguration.Builder builder = ShuffledUnorderedKVInputConfiguration
                .newBuilder("KEY", "VALUE").enableCompression("CustomCodec")
                .setMaxSingleMemorySegmentFraction(0.11f).setMergeFraction(0.22f).setShuffleBufferFraction(0.33f)
                .setAdditionalConfiguration("fs.shouldExist", "fs").setAdditionalConfiguration("test.key.1", "key1")
                .setAdditionalConfiguration(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD, String.valueOf(false))
                .setAdditionalConfiguration(additionalConf).setFromConfiguration(fromConf);

        ShuffledUnorderedKVInputConfiguration configuration = builder.build();

        byte[] confBytes = configuration.toByteArray();
        ShuffledUnorderedKVInputConfiguration rebuilt = new ShuffledUnorderedKVInputConfiguration();
        rebuilt.fromByteArray(confBytes);

        Configuration conf = rebuilt.conf;

        // Verify programmatic API usage
        assertEquals("KEY", conf.get(TezJobConfig.TEZ_RUNTIME_KEY_CLASS, ""));
        assertEquals("VALUE", conf.get(TezJobConfig.TEZ_RUNTIME_VALUE_CLASS, ""));
        assertEquals("CustomCodec", conf.get(TezJobConfig.TEZ_RUNTIME_COMPRESS_CODEC, ""));
        assertEquals(true, conf.getBoolean(TezJobConfig.TEZ_RUNTIME_COMPRESS, false));
        assertEquals(0.11f, conf.getFloat(TezJobConfig.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT, 0.0f), 0.001f);
        assertEquals(0.22f, conf.getFloat(TezJobConfig.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT, 0.0f), 0.001f);
        assertEquals(0.33f, conf.getFloat(TezJobConfig.TEZ_RUNTIME_SHUFFLE_INPUT_BUFFER_PERCENT, 0.00f), 0.001f);

        // Verify additional configs
        assertEquals(false, conf.getBoolean(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD,
                TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_DEFAULT));
        assertEquals(1111, conf.getInt(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_BYTES,
                TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_BYTES_DEFAULT));
        assertEquals(3, conf.getInt(TezJobConfig.TEZ_RUNTIME_IO_SORT_FACTOR, -1));
        assertEquals("io", conf.get("io.shouldExist"));
        assertEquals("file", conf.get("file.shouldExist"));
        assertEquals("fs", conf.get("fs.shouldExist"));
        assertNull(conf.get("test.conf.key.1"));
        assertNull(conf.get("test.key.1"));
        assertNull(conf.get("test.key.2"));
    }

    @Test
    public void testDefaultConfigsUsed() {
        ShuffledUnorderedKVInputConfiguration.Builder builder = ShuffledUnorderedKVInputConfiguration
                .newBuilder("KEY", "VALUE");
        ShuffledUnorderedKVInputConfiguration configuration = builder.build();

        byte[] confBytes = configuration.toByteArray();
        ShuffledUnorderedKVInputConfiguration rebuilt = new ShuffledUnorderedKVInputConfiguration();
        rebuilt.fromByteArray(confBytes);

        Configuration conf = rebuilt.conf;

        assertEquals(true, conf.getBoolean(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD,
                TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_DEFAULT));

        // Default property present.
        assertEquals("TestCodec", conf.get(TezJobConfig.TEZ_RUNTIME_COMPRESS_CODEC, ""));

        // Verify whatever was configured
        assertEquals("KEY", conf.get(TezJobConfig.TEZ_RUNTIME_KEY_CLASS, ""));
        assertEquals("VALUE", conf.get(TezJobConfig.TEZ_RUNTIME_VALUE_CLASS, ""));
    }
}