nifi-api/src/test/java/org/apache/nifi/processor/TestDataUnit.java

/*
 * 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.nifi.processor;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 *
 */
public class TestDataUnit {

    @Test
    public void testParseWithIntegerValue() {
        assertEquals(300L, DataUnit.parseDataSize("300 B", DataUnit.B).longValue());
        assertEquals(300L * 1024L, DataUnit.parseDataSize("300 KB", DataUnit.B).longValue());
        assertEquals(300L * 1024L * 1024L, DataUnit.parseDataSize("300 MB", DataUnit.B).longValue());
        assertEquals(300L * 1024L * 1024L * 1024L, DataUnit.parseDataSize("300 GB", DataUnit.B).longValue());
    }

    @Test
    public void testParseWithDecimalValue() {
        assertEquals(300L, DataUnit.parseDataSize("300 B", DataUnit.B).longValue());
        assertEquals((long) (3.22D * 1024D), DataUnit.parseDataSize("3.22 KB", DataUnit.B).longValue());
        assertEquals((long) (3.22D * 1024D * 1024D), DataUnit.parseDataSize("3.22 MB", DataUnit.B).longValue());
        assertEquals((long) (3.22D * 1024D * 1024D * 1024D), DataUnit.parseDataSize("3.22 GB", DataUnit.B).longValue());
    }

}