HADOOP-15204. Add Configuration API for parsing storage sizes. Contributed by Anu Engineer.
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@ -109,6 +109,9 @@
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import com.google.common.base.Preconditions;
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import com.google.common.base.Strings;
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import static org.apache.commons.lang3.StringUtils.isBlank;
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import static org.apache.commons.lang3.StringUtils.isNotBlank;
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/**
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* Provides access to configuration parameters.
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*
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@ -1818,6 +1821,83 @@ public long[] getTimeDurations(String name, TimeUnit unit) {
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}
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return durations;
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}
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/**
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* Gets the Storage Size from the config, or returns the defaultValue. The
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* unit of return value is specified in target unit.
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*
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* @param name - Key Name
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* @param defaultValue - Default Value -- e.g. 100MB
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* @param targetUnit - The units that we want result to be in.
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* @return double -- formatted in target Units
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*/
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public double getStorageSize(String name, String defaultValue,
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StorageUnit targetUnit) {
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Preconditions.checkState(isNotBlank(name), "Key cannot be blank.");
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String vString = get(name);
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if (isBlank(vString)) {
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vString = defaultValue;
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}
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// Please note: There is a bit of subtlety here. If the user specifies
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// the default unit as "1GB", but the requested unit is MB, we will return
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// the format in MB even thought the default string is specified in GB.
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// Converts a string like "1GB" to to unit specified in targetUnit.
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StorageSize measure = StorageSize.parse(vString);
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return convertStorageUnit(measure.getValue(), measure.getUnit(),
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targetUnit);
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}
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/**
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* Gets storage size from a config file.
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*
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* @param name - Key to read.
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* @param defaultValue - The default value to return in case the key is
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* not present.
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* @param targetUnit - The Storage unit that should be used
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* for the return value.
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* @return - double value in the Storage Unit specified.
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*/
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public double getStorageSize(String name, double defaultValue,
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StorageUnit targetUnit) {
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Preconditions.checkNotNull(targetUnit, "Conversion unit cannot be null.");
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Preconditions.checkState(isNotBlank(name), "Name cannot be blank.");
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String vString = get(name);
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if (isBlank(vString)) {
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return targetUnit.getDefault(defaultValue);
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}
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StorageSize measure = StorageSize.parse(vString);
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return convertStorageUnit(measure.getValue(), measure.getUnit(),
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targetUnit);
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}
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/**
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* Sets Storage Size for the specified key.
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*
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* @param name - Key to set.
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* @param value - The numeric value to set.
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* @param unit - Storage Unit to be used.
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*/
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public void setStorageSize(String name, double value, StorageUnit unit) {
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set(name, value + unit.getShortName());
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}
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/**
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* convert the value from one storage unit to another.
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*
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* @param value - value
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* @param sourceUnit - Source unit to convert from
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* @param targetUnit - target unit.
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* @return double.
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*/
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private double convertStorageUnit(double value, StorageUnit sourceUnit,
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StorageUnit targetUnit) {
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double byteValue = sourceUnit.toBytes(value);
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return targetUnit.fromBytes(byteValue);
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}
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/**
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* Get the value of the <code>name</code> property as a <code>Pattern</code>.
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@ -0,0 +1,106 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with this
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* work for additional information regarding copyright ownership. The ASF
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* licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*
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*/
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package org.apache.hadoop.conf;
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import java.util.Locale;
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import static org.apache.commons.lang3.StringUtils.isNotBlank;
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/**
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* A class that contains the numeric value and the unit of measure.
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*/
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public class StorageSize {
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private final StorageUnit unit;
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private final double value;
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/**
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* Constucts a Storage Measure, which contains the value and the unit of
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* measure.
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*
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* @param unit - Unit of Measure
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* @param value - Numeric value.
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*/
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public StorageSize(StorageUnit unit, double value) {
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this.unit = unit;
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this.value = value;
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}
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private static void checkState(boolean state, String errorString){
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if(!state) {
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throw new IllegalStateException(errorString);
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}
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}
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public static StorageSize parse(String value) {
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checkState(isNotBlank(value), "value cannot be blank");
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String sanitizedValue = value.trim().toLowerCase(Locale.ENGLISH);
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StorageUnit parsedUnit = null;
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for (StorageUnit unit : StorageUnit.values()) {
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if (sanitizedValue.endsWith(unit.getShortName()) ||
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sanitizedValue.endsWith(unit.getLongName()) ||
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sanitizedValue.endsWith(unit.getSuffixChar())) {
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parsedUnit = unit;
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break;
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}
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}
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if (parsedUnit == null) {
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throw new IllegalArgumentException(value + " is not in expected format." +
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"Expected format is <number><unit>. e.g. 1000MB");
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}
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String suffix = "";
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boolean found = false;
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// We are trying to get the longest match first, so the order of
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// matching is getLongName, getShortName and then getSuffixChar.
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if (!found && sanitizedValue.endsWith(parsedUnit.getLongName())) {
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found = true;
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suffix = parsedUnit.getLongName();
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}
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if (!found && sanitizedValue.endsWith(parsedUnit.getShortName())) {
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found = true;
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suffix = parsedUnit.getShortName();
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}
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if (!found && sanitizedValue.endsWith(parsedUnit.getSuffixChar())) {
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found = true;
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suffix = parsedUnit.getSuffixChar();
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}
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checkState(found, "Something is wrong, we have to find a " +
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"match. Internal error.");
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String valString =
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sanitizedValue.substring(0, value.length() - suffix.length());
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return new StorageSize(parsedUnit, Double.parseDouble(valString));
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}
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public StorageUnit getUnit() {
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return unit;
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}
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public double getValue() {
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return value;
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}
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}
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@ -0,0 +1,530 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with this
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* work for additional information regarding copyright ownership. The ASF
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* licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*
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*/
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package org.apache.hadoop.conf;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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/**
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* Class that maintains different forms of Storage Units.
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*/
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public enum StorageUnit {
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/*
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We rely on BYTES being the last to get longest matching short names first.
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The short name of bytes is b and it will match with other longer names.
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if we change this order, the corresponding code in
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Configuration#parseStorageUnit needs to be changed too, since values()
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call returns the Enums in declared order and we depend on it.
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*/
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EB {
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@Override
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public double toBytes(double value) {
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return multiply(value, EXABYTES);
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}
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@Override
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public double toKBs(double value) {
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return multiply(value, EXABYTES / KILOBYTES);
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}
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@Override
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public double toMBs(double value) {
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return multiply(value, EXABYTES / MEGABYTES);
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}
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@Override
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public double toGBs(double value) {
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return multiply(value, EXABYTES / GIGABYTES);
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}
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@Override
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public double toTBs(double value) {
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return multiply(value, EXABYTES / TERABYTES);
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}
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@Override
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public double toPBs(double value) {
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return multiply(value, EXABYTES / PETABYTES);
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}
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@Override
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public double toEBs(double value) {
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return value;
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}
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@Override
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public String getLongName() {
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return "exabytes";
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}
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@Override
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public String getShortName() {
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return "eb";
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}
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@Override
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public String getSuffixChar() {
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return "e";
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}
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@Override
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public double getDefault(double value) {
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return toEBs(value);
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}
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@Override
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public double fromBytes(double value) {
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return divide(value, EXABYTES);
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}
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},
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PB {
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@Override
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public double toBytes(double value) {
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return multiply(value, PETABYTES);
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}
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@Override
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public double toKBs(double value) {
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return multiply(value, PETABYTES / KILOBYTES);
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}
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@Override
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public double toMBs(double value) {
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return multiply(value, PETABYTES / MEGABYTES);
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}
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@Override
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public double toGBs(double value) {
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return multiply(value, PETABYTES / GIGABYTES);
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}
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@Override
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public double toTBs(double value) {
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return multiply(value, PETABYTES / TERABYTES);
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}
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@Override
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public double toPBs(double value) {
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return value;
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}
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@Override
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public double toEBs(double value) {
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return divide(value, EXABYTES / PETABYTES);
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}
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@Override
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public String getLongName() {
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return "petabytes";
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}
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@Override
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public String getShortName() {
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return "pb";
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}
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@Override
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public String getSuffixChar() {
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return "p";
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}
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@Override
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public double getDefault(double value) {
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return toPBs(value);
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}
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@Override
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public double fromBytes(double value) {
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return divide(value, PETABYTES);
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}
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},
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TB {
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@Override
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public double toBytes(double value) {
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return multiply(value, TERABYTES);
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}
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@Override
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public double toKBs(double value) {
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return multiply(value, TERABYTES / KILOBYTES);
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}
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@Override
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public double toMBs(double value) {
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return multiply(value, TERABYTES / MEGABYTES);
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}
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@Override
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public double toGBs(double value) {
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return multiply(value, TERABYTES / GIGABYTES);
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}
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@Override
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public double toTBs(double value) {
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return value;
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}
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@Override
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public double toPBs(double value) {
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return divide(value, PETABYTES / TERABYTES);
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}
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@Override
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public double toEBs(double value) {
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return divide(value, EXABYTES / TERABYTES);
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}
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@Override
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public String getLongName() {
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return "terabytes";
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}
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@Override
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public String getShortName() {
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return "tb";
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}
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@Override
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public String getSuffixChar() {
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return "t";
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}
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@Override
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public double getDefault(double value) {
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return toTBs(value);
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}
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@Override
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public double fromBytes(double value) {
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return divide(value, TERABYTES);
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}
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},
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GB {
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@Override
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public double toBytes(double value) {
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return multiply(value, GIGABYTES);
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}
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@Override
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public double toKBs(double value) {
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return multiply(value, GIGABYTES / KILOBYTES);
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}
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@Override
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public double toMBs(double value) {
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return multiply(value, GIGABYTES / MEGABYTES);
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}
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@Override
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public double toGBs(double value) {
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return value;
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}
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@Override
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public double toTBs(double value) {
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return divide(value, TERABYTES / GIGABYTES);
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}
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@Override
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public double toPBs(double value) {
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return divide(value, PETABYTES / GIGABYTES);
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}
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@Override
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public double toEBs(double value) {
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return divide(value, EXABYTES / GIGABYTES);
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}
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@Override
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public String getLongName() {
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return "gigabytes";
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}
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@Override
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public String getShortName() {
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return "gb";
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}
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@Override
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public String getSuffixChar() {
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return "g";
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}
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@Override
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public double getDefault(double value) {
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return toGBs(value);
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}
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@Override
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public double fromBytes(double value) {
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return divide(value, GIGABYTES);
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}
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},
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MB {
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@Override
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public double toBytes(double value) {
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return multiply(value, MEGABYTES);
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}
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@Override
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public double toKBs(double value) {
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return multiply(value, MEGABYTES / KILOBYTES);
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}
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@Override
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public double toMBs(double value) {
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return value;
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}
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@Override
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public double toGBs(double value) {
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return divide(value, GIGABYTES / MEGABYTES);
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}
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@Override
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public double toTBs(double value) {
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return divide(value, TERABYTES / MEGABYTES);
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}
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@Override
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public double toPBs(double value) {
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return divide(value, PETABYTES / MEGABYTES);
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}
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@Override
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public double toEBs(double value) {
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return divide(value, EXABYTES / MEGABYTES);
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}
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@Override
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public String getLongName() {
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return "megabytes";
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}
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@Override
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public String getShortName() {
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return "mb";
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}
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@Override
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public String getSuffixChar() {
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return "m";
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}
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@Override
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public double fromBytes(double value) {
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return divide(value, MEGABYTES);
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}
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@Override
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public double getDefault(double value) {
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return toMBs(value);
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}
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},
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KB {
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@Override
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public double toBytes(double value) {
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return multiply(value, KILOBYTES);
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}
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@Override
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public double toKBs(double value) {
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return value;
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}
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@Override
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public double toMBs(double value) {
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return divide(value, MEGABYTES / KILOBYTES);
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}
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@Override
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public double toGBs(double value) {
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return divide(value, GIGABYTES / KILOBYTES);
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}
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@Override
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public double toTBs(double value) {
|
||||
return divide(value, TERABYTES / KILOBYTES);
|
||||
}
|
||||
|
||||
@Override
|
||||
public double toPBs(double value) {
|
||||
return divide(value, PETABYTES / KILOBYTES);
|
||||
}
|
||||
|
||||
@Override
|
||||
public double toEBs(double value) {
|
||||
return divide(value, EXABYTES / KILOBYTES);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getLongName() {
|
||||
return "kilobytes";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getShortName() {
|
||||
return "kb";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getSuffixChar() {
|
||||
return "k";
|
||||
}
|
||||
|
||||
@Override
|
||||
public double getDefault(double value) {
|
||||
return toKBs(value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public double fromBytes(double value) {
|
||||
return divide(value, KILOBYTES);
|
||||
}
|
||||
},
|
||||
BYTES {
|
||||
@Override
|
||||
public double toBytes(double value) {
|
||||
return value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double toKBs(double value) {
|
||||
return divide(value, KILOBYTES);
|
||||
}
|
||||
|
||||
@Override
|
||||
public double toMBs(double value) {
|
||||
return divide(value, MEGABYTES);
|
||||
}
|
||||
|
||||
@Override
|
||||
public double toGBs(double value) {
|
||||
return divide(value, GIGABYTES);
|
||||
}
|
||||
|
||||
@Override
|
||||
public double toTBs(double value) {
|
||||
return divide(value, TERABYTES);
|
||||
}
|
||||
|
||||
@Override
|
||||
public double toPBs(double value) {
|
||||
return divide(value, PETABYTES);
|
||||
}
|
||||
|
||||
@Override
|
||||
public double toEBs(double value) {
|
||||
return divide(value, EXABYTES);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getLongName() {
|
||||
return "bytes";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getShortName() {
|
||||
return "b";
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getSuffixChar() {
|
||||
return "b";
|
||||
}
|
||||
|
||||
@Override
|
||||
public double getDefault(double value) {
|
||||
return toBytes(value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public double fromBytes(double value) {
|
||||
return value;
|
||||
}
|
||||
};
|
||||
|
||||
private static final double BYTE = 1L;
|
||||
private static final double KILOBYTES = BYTE * 1024L;
|
||||
private static final double MEGABYTES = KILOBYTES * 1024L;
|
||||
private static final double GIGABYTES = MEGABYTES * 1024L;
|
||||
private static final double TERABYTES = GIGABYTES * 1024L;
|
||||
private static final double PETABYTES = TERABYTES * 1024L;
|
||||
private static final double EXABYTES = PETABYTES * 1024L;
|
||||
private static final int PRECISION = 4;
|
||||
|
||||
/**
|
||||
* Using BigDecimal to avoid issues with overflow and underflow.
|
||||
*
|
||||
* @param value - value
|
||||
* @param divisor - divisor.
|
||||
* @return -- returns a double that represents this value
|
||||
*/
|
||||
private static double divide(double value, double divisor) {
|
||||
BigDecimal val = new BigDecimal(value);
|
||||
BigDecimal bDivisor = new BigDecimal(divisor);
|
||||
return val.divide(bDivisor).setScale(PRECISION, RoundingMode.HALF_UP)
|
||||
.doubleValue();
|
||||
}
|
||||
|
||||
/**
|
||||
* Using BigDecimal so we can throw if we are overflowing the Long.Max.
|
||||
*
|
||||
* @param first - First Num.
|
||||
* @param second - Second Num.
|
||||
* @return Returns a double
|
||||
*/
|
||||
private static double multiply(double first, double second) {
|
||||
BigDecimal firstVal = new BigDecimal(first);
|
||||
BigDecimal secondVal = new BigDecimal(second);
|
||||
return firstVal.multiply(secondVal)
|
||||
.setScale(PRECISION, RoundingMode.HALF_UP).doubleValue();
|
||||
}
|
||||
|
||||
public abstract double toBytes(double value);
|
||||
|
||||
public abstract double toKBs(double value);
|
||||
|
||||
public abstract double toMBs(double value);
|
||||
|
||||
public abstract double toGBs(double value);
|
||||
|
||||
public abstract double toTBs(double value);
|
||||
|
||||
public abstract double toPBs(double value);
|
||||
|
||||
public abstract double toEBs(double value);
|
||||
|
||||
public abstract String getLongName();
|
||||
|
||||
public abstract String getShortName();
|
||||
|
||||
public abstract String getSuffixChar();
|
||||
|
||||
public abstract double getDefault(double value);
|
||||
|
||||
public abstract double fromBytes(double value);
|
||||
|
||||
public String toString() {
|
||||
return getLongName();
|
||||
}
|
||||
|
||||
}
|
@ -48,7 +48,15 @@
|
||||
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Rule;
|
||||
import org.junit.Test;
|
||||
|
||||
import static org.apache.hadoop.conf.StorageUnit.BYTES;
|
||||
import static org.apache.hadoop.conf.StorageUnit.GB;
|
||||
import static org.apache.hadoop.conf.StorageUnit.KB;
|
||||
import static org.apache.hadoop.conf.StorageUnit.MB;
|
||||
import static org.apache.hadoop.conf.StorageUnit.TB;
|
||||
import static org.hamcrest.core.Is.is;
|
||||
import static org.junit.Assert.*;
|
||||
import static org.junit.Assert.assertArrayEquals;
|
||||
|
||||
@ -68,10 +76,13 @@
|
||||
import org.apache.log4j.Logger;
|
||||
import org.apache.log4j.spi.LoggingEvent;
|
||||
import org.hamcrest.CoreMatchers;
|
||||
import org.junit.rules.ExpectedException;
|
||||
import org.mockito.Mockito;
|
||||
|
||||
public class TestConfiguration {
|
||||
|
||||
@Rule
|
||||
public ExpectedException thrown= ExpectedException.none();
|
||||
private static final double DOUBLE_DELTA = 0.000000001f;
|
||||
private Configuration conf;
|
||||
final static String CONFIG = new File("./test-config-TestConfiguration.xml").getAbsolutePath();
|
||||
@ -1325,6 +1336,71 @@ public void testTimeDuration() {
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStorageUnit() {
|
||||
final String key = "valid.key";
|
||||
final String nonKey = "not.a.key";
|
||||
Configuration conf = new Configuration(false);
|
||||
|
||||
conf.setStorageSize(key, 10, MB);
|
||||
// This call returns the value specified in the Key as a double in MBs.
|
||||
assertThat(conf.getStorageSize(key, "1GB", MB),
|
||||
is(10.0));
|
||||
|
||||
// Since this key is missing, This call converts the default value of 1GB
|
||||
// to MBs are returns that value.
|
||||
assertThat(conf.getStorageSize(nonKey, "1GB", MB),
|
||||
is(1024.0));
|
||||
|
||||
|
||||
conf.setStorageSize(key, 1024, BYTES);
|
||||
assertThat(conf.getStorageSize(key, 100, KB), is(1.0));
|
||||
|
||||
assertThat(conf.getStorageSize(nonKey, 100.0, KB), is(100.0));
|
||||
|
||||
// We try out different kind of String formats to see if they work and
|
||||
// during read, we also try to read using a different Storage Units.
|
||||
conf.setStrings(key, "1TB");
|
||||
assertThat(conf.getStorageSize(key, "1PB", GB), is(1024.0));
|
||||
|
||||
conf.setStrings(key, "1bytes");
|
||||
assertThat(conf.getStorageSize(key, "1PB", KB), is(0.001));
|
||||
|
||||
conf.setStrings(key, "2048b");
|
||||
assertThat(conf.getStorageSize(key, "1PB", KB), is(2.0));
|
||||
|
||||
conf.setStrings(key, "64 GB");
|
||||
assertThat(conf.getStorageSize(key, "1PB", GB), is(64.0));
|
||||
|
||||
// Match the parsing patterns of getLongBytes, which takes single char
|
||||
// suffix.
|
||||
conf.setStrings(key, "1T");
|
||||
assertThat(conf.getStorageSize(key, "1GB", TB), is(1.0));
|
||||
|
||||
conf.setStrings(key, "1k");
|
||||
assertThat(conf.getStorageSize(key, "1GB", KB), is(1.0));
|
||||
|
||||
conf.setStrings(key, "10m");
|
||||
assertThat(conf.getStorageSize(key, "1GB", MB), is(10.0));
|
||||
|
||||
|
||||
|
||||
// Missing format specification, this should throw.
|
||||
conf.setStrings(key, "100");
|
||||
thrown.expect(IllegalArgumentException.class);
|
||||
conf.getStorageSize(key, "1PB", GB);
|
||||
|
||||
// illegal format specification, this should throw.
|
||||
conf.setStrings(key, "1HB");
|
||||
thrown.expect(IllegalArgumentException.class);
|
||||
conf.getStorageSize(key, "1PB", GB);
|
||||
|
||||
// Illegal number specification, this should throw.
|
||||
conf.setStrings(key, "HadoopGB");
|
||||
thrown.expect(IllegalArgumentException.class);
|
||||
conf.getStorageSize(key, "1PB", GB);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testTimeDurationWarning() {
|
||||
// check warn for possible loss of precision
|
||||
|
@ -0,0 +1,277 @@
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with this
|
||||
* work for additional information regarding copyright ownership. The ASF
|
||||
* 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.apache.hadoop.conf;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
import static org.hamcrest.CoreMatchers.is;
|
||||
import static org.hamcrest.MatcherAssert.assertThat;
|
||||
|
||||
/**
|
||||
* Tests that Storage Units work as expected.
|
||||
*/
|
||||
public class TestStorageUnit {
|
||||
final static double KB = 1024.0;
|
||||
final static double MB = KB * 1024.0;
|
||||
final static double GB = MB * 1024.0;
|
||||
final static double TB = GB * 1024.0;
|
||||
final static double PB = TB * 1024.0;
|
||||
final static double EB = PB * 1024.0;
|
||||
|
||||
@Test
|
||||
public void testByteToKiloBytes() {
|
||||
Map<Double, Double> results = new HashMap<>();
|
||||
results.put(1024.0, 1.0);
|
||||
results.put(2048.0, 2.0);
|
||||
results.put(-1024.0, -1.0);
|
||||
results.put(34565.0, 33.7549);
|
||||
results.put(223344332.0, 218109.6992);
|
||||
results.put(1234983.0, 1206.0381);
|
||||
results.put(1234332.0, 1205.4023);
|
||||
results.put(0.0, 0.0);
|
||||
|
||||
for (Map.Entry<Double, Double> entry : results.entrySet()) {
|
||||
assertThat(StorageUnit.BYTES.toKBs(entry.getKey()), is(entry.getValue()));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBytesToMegaBytes() {
|
||||
Map<Double, Double> results = new HashMap<>();
|
||||
results.put(1048576.0, 1.0);
|
||||
results.put(24117248.0, 23.0);
|
||||
results.put(459920023.0, 438.6139);
|
||||
results.put(234443233.0, 223.5825);
|
||||
results.put(-35651584.0, -34.0);
|
||||
results.put(0.0, 0.0);
|
||||
for (Map.Entry<Double, Double> entry : results.entrySet()) {
|
||||
assertThat(StorageUnit.BYTES.toMBs(entry.getKey()), is(entry.getValue()));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBytesToGigaBytes() {
|
||||
Map<Double, Double> results = new HashMap<>();
|
||||
results.put(1073741824.0, 1.0);
|
||||
results.put(24696061952.0, 23.0);
|
||||
results.put(459920023.0, 0.4283);
|
||||
results.put(234443233.0, 0.2183);
|
||||
results.put(-36507222016.0, -34.0);
|
||||
results.put(0.0, 0.0);
|
||||
for (Map.Entry<Double, Double> entry : results.entrySet()) {
|
||||
assertThat(StorageUnit.BYTES.toGBs(entry.getKey()), is(entry.getValue()));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBytesToTerraBytes() {
|
||||
Map<Double, Double> results = new HashMap<>();
|
||||
results.put(1.09951E+12, 1.0);
|
||||
results.put(2.52888E+13, 23.0);
|
||||
results.put(459920023.0, 0.0004);
|
||||
results.put(234443233.0, 0.0002);
|
||||
results.put(-3.73834E+13, -34.0);
|
||||
results.put(0.0, 0.0);
|
||||
for (Map.Entry<Double, Double> entry : results.entrySet()) {
|
||||
assertThat(StorageUnit.BYTES.toTBs(entry.getKey()), is(entry.getValue()));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBytesToPetaBytes() {
|
||||
Map<Double, Double> results = new HashMap<>();
|
||||
results.put(1.1259E+15, 1.0);
|
||||
results.put(2.58957E+16, 23.0);
|
||||
results.put(4.70958E+11, 0.0004);
|
||||
results.put(234443233.0, 0.0000); // Out of precision window.
|
||||
results.put(-3.82806E+16, -34.0);
|
||||
results.put(0.0, 0.0);
|
||||
for (Map.Entry<Double, Double> entry : results.entrySet()) {
|
||||
assertThat(StorageUnit.BYTES.toPBs(entry.getKey()), is(entry.getValue()));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBytesToExaBytes() {
|
||||
Map<Double, Double> results = new HashMap<>();
|
||||
results.put(1.15292E+18, 1.0);
|
||||
results.put(2.65172E+19, 23.0);
|
||||
results.put(4.82261E+14, 0.0004);
|
||||
results.put(234443233.0, 0.0000); // Out of precision window.
|
||||
results.put(-3.91993E+19, -34.0);
|
||||
results.put(0.0, 0.0);
|
||||
for (Map.Entry<Double, Double> entry : results.entrySet()) {
|
||||
assertThat(StorageUnit.BYTES.toEBs(entry.getKey()), is(entry.getValue()));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testByteConversions() {
|
||||
assertThat(StorageUnit.BYTES.getShortName(), is("b"));
|
||||
assertThat(StorageUnit.BYTES.getSuffixChar(), is("b"));
|
||||
|
||||
assertThat(StorageUnit.BYTES.getLongName(), is("bytes"));
|
||||
assertThat(StorageUnit.BYTES.toString(), is("bytes"));
|
||||
assertThat(StorageUnit.BYTES.toBytes(1), is(1.0));
|
||||
assertThat(StorageUnit.BYTES.toBytes(1024),
|
||||
is(StorageUnit.BYTES.getDefault(1024)));
|
||||
assertThat(StorageUnit.BYTES.fromBytes(10), is(10.0));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testKBConversions() {
|
||||
assertThat(StorageUnit.KB.getShortName(), is("kb"));
|
||||
assertThat(StorageUnit.KB.getSuffixChar(), is("k"));
|
||||
assertThat(StorageUnit.KB.getLongName(), is("kilobytes"));
|
||||
assertThat(StorageUnit.KB.toString(), is("kilobytes"));
|
||||
assertThat(StorageUnit.KB.toKBs(1024),
|
||||
is(StorageUnit.KB.getDefault(1024)));
|
||||
|
||||
|
||||
assertThat(StorageUnit.KB.toBytes(1), is(KB));
|
||||
assertThat(StorageUnit.KB.fromBytes(KB), is(1.0));
|
||||
|
||||
assertThat(StorageUnit.KB.toKBs(10), is(10.0));
|
||||
assertThat(StorageUnit.KB.toMBs(3.0 * 1024.0), is(3.0));
|
||||
assertThat(StorageUnit.KB.toGBs(1073741824), is(1024.0));
|
||||
assertThat(StorageUnit.KB.toTBs(1073741824), is(1.0));
|
||||
assertThat(StorageUnit.KB.toPBs(1.0995116e+12), is(1.0));
|
||||
assertThat(StorageUnit.KB.toEBs(1.1258999e+15), is(1.0));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testMBConversions() {
|
||||
assertThat(StorageUnit.MB.getShortName(), is("mb"));
|
||||
assertThat(StorageUnit.MB.getSuffixChar(), is("m"));
|
||||
assertThat(StorageUnit.MB.getLongName(), is("megabytes"));
|
||||
assertThat(StorageUnit.MB.toString(), is("megabytes"));
|
||||
assertThat(StorageUnit.MB.toMBs(1024),
|
||||
is(StorageUnit.MB.getDefault(1024)));
|
||||
|
||||
|
||||
|
||||
assertThat(StorageUnit.MB.toBytes(1), is(MB));
|
||||
assertThat(StorageUnit.MB.fromBytes(MB), is(1.0));
|
||||
|
||||
assertThat(StorageUnit.MB.toKBs(1), is(1024.0));
|
||||
assertThat(StorageUnit.MB.toMBs(10), is(10.0));
|
||||
|
||||
assertThat(StorageUnit.MB.toGBs(44040192), is(43008.0));
|
||||
assertThat(StorageUnit.MB.toTBs(1073741824), is(1024.0));
|
||||
assertThat(StorageUnit.MB.toPBs(1073741824), is(1.0));
|
||||
assertThat(StorageUnit.MB.toEBs(1 * (EB/MB)), is(1.0));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGBConversions() {
|
||||
assertThat(StorageUnit.GB.getShortName(), is("gb"));
|
||||
assertThat(StorageUnit.GB.getSuffixChar(), is("g"));
|
||||
assertThat(StorageUnit.GB.getLongName(), is("gigabytes"));
|
||||
assertThat(StorageUnit.GB.toString(), is("gigabytes"));
|
||||
assertThat(StorageUnit.GB.toGBs(1024),
|
||||
is(StorageUnit.GB.getDefault(1024)));
|
||||
|
||||
|
||||
assertThat(StorageUnit.GB.toBytes(1), is(GB));
|
||||
assertThat(StorageUnit.GB.fromBytes(GB), is(1.0));
|
||||
|
||||
assertThat(StorageUnit.GB.toKBs(1), is(1024.0 * 1024));
|
||||
assertThat(StorageUnit.GB.toMBs(10), is(10.0 * 1024));
|
||||
|
||||
assertThat(StorageUnit.GB.toGBs(44040192.0), is(44040192.0));
|
||||
assertThat(StorageUnit.GB.toTBs(1073741824), is(1048576.0));
|
||||
assertThat(StorageUnit.GB.toPBs(1.07375e+9), is(1024.0078));
|
||||
assertThat(StorageUnit.GB.toEBs(1 * (EB/GB)), is(1.0));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testTBConversions() {
|
||||
assertThat(StorageUnit.TB.getShortName(), is("tb"));
|
||||
assertThat(StorageUnit.TB.getSuffixChar(), is("t"));
|
||||
assertThat(StorageUnit.TB.getLongName(), is("terabytes"));
|
||||
assertThat(StorageUnit.TB.toString(), is("terabytes"));
|
||||
assertThat(StorageUnit.TB.toTBs(1024),
|
||||
is(StorageUnit.TB.getDefault(1024)));
|
||||
|
||||
assertThat(StorageUnit.TB.toBytes(1), is(TB));
|
||||
assertThat(StorageUnit.TB.fromBytes(TB), is(1.0));
|
||||
|
||||
assertThat(StorageUnit.TB.toKBs(1), is(1024.0 * 1024* 1024));
|
||||
assertThat(StorageUnit.TB.toMBs(10), is(10.0 * 1024 * 1024));
|
||||
|
||||
assertThat(StorageUnit.TB.toGBs(44040192.0), is(45097156608.0));
|
||||
assertThat(StorageUnit.TB.toTBs(1073741824.0), is(1073741824.0));
|
||||
assertThat(StorageUnit.TB.toPBs(1024), is(1.0));
|
||||
assertThat(StorageUnit.TB.toEBs(1 * (EB/TB)), is(1.0));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testPBConversions() {
|
||||
assertThat(StorageUnit.PB.getShortName(), is("pb"));
|
||||
assertThat(StorageUnit.PB.getSuffixChar(), is("p"));
|
||||
assertThat(StorageUnit.PB.getLongName(), is("petabytes"));
|
||||
assertThat(StorageUnit.PB.toString(), is("petabytes"));
|
||||
assertThat(StorageUnit.PB.toPBs(1024),
|
||||
is(StorageUnit.PB.getDefault(1024)));
|
||||
|
||||
|
||||
assertThat(StorageUnit.PB.toBytes(1), is(PB));
|
||||
assertThat(StorageUnit.PB.fromBytes(PB), is(1.0));
|
||||
|
||||
assertThat(StorageUnit.PB.toKBs(1), is(PB/KB));
|
||||
assertThat(StorageUnit.PB.toMBs(10), is(10.0 * (PB / MB)));
|
||||
|
||||
assertThat(StorageUnit.PB.toGBs(44040192.0),
|
||||
is(44040192.0 * PB/GB));
|
||||
assertThat(StorageUnit.PB.toTBs(1073741824.0),
|
||||
is(1073741824.0 * (PB/TB)));
|
||||
assertThat(StorageUnit.PB.toPBs(1024.0), is(1024.0));
|
||||
assertThat(StorageUnit.PB.toEBs(1024.0), is(1.0));
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void testEBConversions() {
|
||||
assertThat(StorageUnit.EB.getShortName(), is("eb"));
|
||||
assertThat(StorageUnit.EB.getSuffixChar(), is("e"));
|
||||
|
||||
assertThat(StorageUnit.EB.getLongName(), is("exabytes"));
|
||||
assertThat(StorageUnit.EB.toString(), is("exabytes"));
|
||||
assertThat(StorageUnit.EB.toEBs(1024),
|
||||
is(StorageUnit.EB.getDefault(1024)));
|
||||
|
||||
assertThat(StorageUnit.EB.toBytes(1), is(EB));
|
||||
assertThat(StorageUnit.EB.fromBytes(EB), is(1.0));
|
||||
|
||||
assertThat(StorageUnit.EB.toKBs(1), is(EB/KB));
|
||||
assertThat(StorageUnit.EB.toMBs(10), is(10.0 * (EB / MB)));
|
||||
|
||||
assertThat(StorageUnit.EB.toGBs(44040192.0),
|
||||
is(44040192.0 * EB/GB));
|
||||
assertThat(StorageUnit.EB.toTBs(1073741824.0),
|
||||
is(1073741824.0 * (EB/TB)));
|
||||
assertThat(StorageUnit.EB.toPBs(1.0), is(1024.0));
|
||||
assertThat(StorageUnit.EB.toEBs(42.0), is(42.0));
|
||||
}
|
||||
|
||||
|
||||
}
|
Loading…
Reference in New Issue
Block a user