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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
* under the License.
*/
package org.elasticsearch.common.unit;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.test.ESTestCase;
import org.hamcrest.MatcherAssert;
import java.io.IOException;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
public class ByteSizeValueTests extends ESTestCase {
public void testActualPeta() {
MatcherAssert.assertThat(new ByteSizeValue(4, ByteSizeUnit.PB).getBytes(), equalTo(4503599627370496L));
}
public void testActualTera() {
MatcherAssert.assertThat(new ByteSizeValue(4, ByteSizeUnit.TB).getBytes(), equalTo(4398046511104L));
}
public void testActual() {
MatcherAssert.assertThat(new ByteSizeValue(4, ByteSizeUnit.GB).getBytes(), equalTo(4294967296L));
}
public void testSimple() {
assertThat(ByteSizeUnit.BYTES.toBytes(10), is(new ByteSizeValue(10, ByteSizeUnit.BYTES).getBytes()));
assertThat(ByteSizeUnit.KB.toKB(10), is(new ByteSizeValue(10, ByteSizeUnit.KB).getKb()));
assertThat(ByteSizeUnit.MB.toMB(10), is(new ByteSizeValue(10, ByteSizeUnit.MB).getMb()));
assertThat(ByteSizeUnit.GB.toGB(10), is(new ByteSizeValue(10, ByteSizeUnit.GB).getGb()));
assertThat(ByteSizeUnit.TB.toTB(10), is(new ByteSizeValue(10, ByteSizeUnit.TB).getTb()));
assertThat(ByteSizeUnit.PB.toPB(10), is(new ByteSizeValue(10, ByteSizeUnit.PB).getPb()));
}
public void testEquality() {
String[] equalValues = new String[]{"1GB", "1024MB", "1048576KB", "1073741824B"};
ByteSizeValue value1 = ByteSizeValue.parseBytesSizeValue(randomFrom(equalValues), "equalTest");
ByteSizeValue value2 = ByteSizeValue.parseBytesSizeValue(randomFrom(equalValues), "equalTest");
assertThat(value1, equalTo(value2));
}
public void testToString() {
assertThat("10b", is(new ByteSizeValue(10, ByteSizeUnit.BYTES).toString()));
assertThat("1.5kb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.BYTES).toString()));
assertThat("1.5mb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.KB).toString()));
assertThat("1.5gb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.MB).toString()));
assertThat("1.5tb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.GB).toString()));
assertThat("1.5pb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.TB).toString()));
assertThat("1536pb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.PB).toString()));
}
public void testParsing() {
assertThat(ByteSizeValue.parseBytesSizeValue("42PB", "testParsing").toString(), is("42pb"));
assertThat(ByteSizeValue.parseBytesSizeValue("42 PB", "testParsing").toString(), is("42pb"));
assertThat(ByteSizeValue.parseBytesSizeValue("42pb", "testParsing").toString(), is("42pb"));
assertThat(ByteSizeValue.parseBytesSizeValue("42 pb", "testParsing").toString(), is("42pb"));
assertThat(ByteSizeValue.parseBytesSizeValue("42P", "testParsing").toString(), is("42pb"));
assertThat(ByteSizeValue.parseBytesSizeValue("42 P", "testParsing").toString(), is("42pb"));
assertThat(ByteSizeValue.parseBytesSizeValue("42p", "testParsing").toString(), is("42pb"));
assertThat(ByteSizeValue.parseBytesSizeValue("42 p", "testParsing").toString(), is("42pb"));
assertThat(ByteSizeValue.parseBytesSizeValue("54TB", "testParsing").toString(), is("54tb"));
assertThat(ByteSizeValue.parseBytesSizeValue("54 TB", "testParsing").toString(), is("54tb"));
assertThat(ByteSizeValue.parseBytesSizeValue("54tb", "testParsing").toString(), is("54tb"));
assertThat(ByteSizeValue.parseBytesSizeValue("54 tb", "testParsing").toString(), is("54tb"));
assertThat(ByteSizeValue.parseBytesSizeValue("54T", "testParsing").toString(), is("54tb"));
assertThat(ByteSizeValue.parseBytesSizeValue("54 T", "testParsing").toString(), is("54tb"));
assertThat(ByteSizeValue.parseBytesSizeValue("54t", "testParsing").toString(), is("54tb"));
assertThat(ByteSizeValue.parseBytesSizeValue("54 t", "testParsing").toString(), is("54tb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12GB", "testParsing").toString(), is("12gb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12 GB", "testParsing").toString(), is("12gb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12gb", "testParsing").toString(), is("12gb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12 gb", "testParsing").toString(), is("12gb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12G", "testParsing").toString(), is("12gb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12 G", "testParsing").toString(), is("12gb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12g", "testParsing").toString(), is("12gb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12 g", "testParsing").toString(), is("12gb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12M", "testParsing").toString(), is("12mb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12 M", "testParsing").toString(), is("12mb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12m", "testParsing").toString(), is("12mb"));
assertThat(ByteSizeValue.parseBytesSizeValue("12 m", "testParsing").toString(), is("12mb"));
assertThat(ByteSizeValue.parseBytesSizeValue("23KB", "testParsing").toString(), is("23kb"));
assertThat(ByteSizeValue.parseBytesSizeValue("23 KB", "testParsing").toString(), is("23kb"));
assertThat(ByteSizeValue.parseBytesSizeValue("23kb", "testParsing").toString(), is("23kb"));
assertThat(ByteSizeValue.parseBytesSizeValue("23 kb", "testParsing").toString(), is("23kb"));
assertThat(ByteSizeValue.parseBytesSizeValue("23K", "testParsing").toString(), is("23kb"));
assertThat(ByteSizeValue.parseBytesSizeValue("23 K", "testParsing").toString(), is("23kb"));
assertThat(ByteSizeValue.parseBytesSizeValue("23k", "testParsing").toString(), is("23kb"));
assertThat(ByteSizeValue.parseBytesSizeValue("23 k", "testParsing").toString(), is("23kb"));
assertThat(ByteSizeValue.parseBytesSizeValue("1B", "testParsing").toString(), is("1b"));
assertThat(ByteSizeValue.parseBytesSizeValue("1 B", "testParsing").toString(), is("1b"));
assertThat(ByteSizeValue.parseBytesSizeValue("1b", "testParsing").toString(), is("1b"));
assertThat(ByteSizeValue.parseBytesSizeValue("1 b", "testParsing").toString(), is("1b"));
}
public void testFailOnMissingUnits() {
Exception e = expectThrows(ElasticsearchParseException.class, () -> ByteSizeValue.parseBytesSizeValue("23", "test"));
assertThat(e.getMessage(), containsString("failed to parse setting [test]"));
}
public void testFailOnUnknownUnits() {
Exception e = expectThrows(ElasticsearchParseException.class, () -> ByteSizeValue.parseBytesSizeValue("23jw", "test"));
assertThat(e.getMessage(), containsString("failed to parse setting [test]"));
}
public void testFailOnEmptyParsing() {
Exception e = expectThrows(ElasticsearchParseException.class,
() -> assertThat(ByteSizeValue.parseBytesSizeValue("", "emptyParsing").toString(), is("23kb")));
assertThat(e.getMessage(), containsString("failed to parse setting [emptyParsing]"));
}
public void testFailOnEmptyNumberParsing() {
Exception e = expectThrows(ElasticsearchParseException.class,
() -> assertThat(ByteSizeValue.parseBytesSizeValue("g", "emptyNumberParsing").toString(), is("23b")));
assertThat(e.getMessage(), containsString("failed to parse [g]"));
}
public void testNoDotsAllowed() {
Exception e = expectThrows(ElasticsearchParseException.class, () -> ByteSizeValue.parseBytesSizeValue("42b.", null, "test"));
assertThat(e.getMessage(), containsString("failed to parse setting [test]"));
}
public void testCompareEquality() {
long firstRandom = randomNonNegativeLong();
ByteSizeUnit randomUnit = randomFrom(ByteSizeUnit.values());
ByteSizeValue firstByteValue = new ByteSizeValue(firstRandom, randomUnit);
ByteSizeValue secondByteValue = new ByteSizeValue(firstRandom, randomUnit);
assertEquals(0, firstByteValue.compareTo(secondByteValue));
}
public void testCompareValue() {
long firstRandom = randomNonNegativeLong();
long secondRandom = randomValueOtherThan(firstRandom, ESTestCase::randomNonNegativeLong);
ByteSizeUnit unit = randomFrom(ByteSizeUnit.values());
ByteSizeValue firstByteValue = new ByteSizeValue(firstRandom, unit);
ByteSizeValue secondByteValue = new ByteSizeValue(secondRandom, unit);
assertEquals(firstRandom > secondRandom, firstByteValue.compareTo(secondByteValue) > 0);
assertEquals(secondRandom > firstRandom, secondByteValue.compareTo(firstByteValue) > 0);
}
public void testCompareUnits() {
long number = randomNonNegativeLong();
ByteSizeUnit randomUnit = randomValueOtherThan(ByteSizeUnit.PB, ()->randomFrom(ByteSizeUnit.values()));
ByteSizeValue firstByteValue = new ByteSizeValue(number, randomUnit);
ByteSizeValue secondByteValue = new ByteSizeValue(number, ByteSizeUnit.PB);
assertTrue(firstByteValue.compareTo(secondByteValue) < 0);
assertTrue(secondByteValue.compareTo(firstByteValue) > 0);
}
public void testEdgeCompare() {
ByteSizeValue maxLongValuePB = new ByteSizeValue(Long.MAX_VALUE, ByteSizeUnit.PB);
ByteSizeValue maxLongValueB = new ByteSizeValue(Long.MAX_VALUE, ByteSizeUnit.BYTES);
assertTrue(maxLongValuePB.compareTo(maxLongValueB) > 0);
}
public void testConversionHashCode() {
ByteSizeValue firstValue = new ByteSizeValue(randomIntBetween(0, Integer.MAX_VALUE), ByteSizeUnit.GB);
ByteSizeValue secondValue = new ByteSizeValue(firstValue.getBytes(), ByteSizeUnit.BYTES);
assertEquals(firstValue.hashCode(), secondValue.hashCode());
}
public void testSerialization() throws IOException {
ByteSizeValue byteSizeValue = new ByteSizeValue(randomNonNegativeLong(), randomFrom(ByteSizeUnit.values()));
try (BytesStreamOutput out = new BytesStreamOutput()) {
byteSizeValue.writeTo(out);
try (StreamInput in = out.bytes().streamInput()) {
ByteSizeValue deserializedByteSizeValue = new ByteSizeValue(in);
assertEquals(byteSizeValue.getBytes(), deserializedByteSizeValue.getBytes());
}
}
}
}
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