| /* |
| * 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.commons.io.comparator; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.commons.io.test.TestUtils; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Tests {@link SizeFileComparator}. |
| */ |
| public class SizeFileComparatorTest extends ComparatorAbstractTest { |
| |
| private File smallerDir; |
| private File largerDir; |
| private File smallerFile; |
| private File largerFile; |
| |
| @BeforeEach |
| public void setUp() throws Exception { |
| comparator = (AbstractFileComparator) SizeFileComparator.SIZE_COMPARATOR; |
| reverse = SizeFileComparator.SIZE_REVERSE; |
| smallerDir = new File(dir, "smallerdir"); |
| largerDir = new File(dir, "largerdir"); |
| smallerFile = new File(smallerDir, "smaller.txt"); |
| final File equalFile = new File(dir, "equal.txt"); |
| largerFile = new File(largerDir, "larger.txt"); |
| smallerDir.mkdir(); |
| largerDir.mkdir(); |
| if (!smallerFile.getParentFile().exists()) { |
| throw new IOException("Cannot create file " + smallerFile |
| + " as the parent directory does not exist"); |
| } |
| try (BufferedOutputStream output2 = |
| new BufferedOutputStream(Files.newOutputStream(smallerFile.toPath()))) { |
| TestUtils.generateTestData(output2, 32); |
| } |
| if (!equalFile.getParentFile().exists()) { |
| throw new IOException("Cannot create file " + equalFile |
| + " as the parent directory does not exist"); |
| } |
| try (BufferedOutputStream output1 = |
| new BufferedOutputStream(Files.newOutputStream(equalFile.toPath()))) { |
| TestUtils.generateTestData(output1, 48); |
| } |
| if (!largerFile.getParentFile().exists()) { |
| throw new IOException("Cannot create file " + largerFile |
| + " as the parent directory does not exist"); |
| } |
| try (BufferedOutputStream output = |
| new BufferedOutputStream(Files.newOutputStream(largerFile.toPath()))) { |
| TestUtils.generateTestData(output, 64); |
| } |
| equalFile1 = equalFile; |
| equalFile2 = equalFile; |
| lessFile = smallerFile; |
| moreFile = largerFile; |
| } |
| |
| /** |
| * Test a file which doesn't exist. |
| */ |
| @Test |
| public void testCompareDirectorySizes() { |
| assertEquals(0, comparator.compare(smallerDir, largerDir), "sumDirectoryContents=false"); |
| assertEquals(-1, SizeFileComparator.SIZE_SUMDIR_COMPARATOR.compare(smallerDir, largerDir), "less"); |
| assertEquals(1, SizeFileComparator.SIZE_SUMDIR_REVERSE.compare(smallerDir, largerDir), "less"); |
| } |
| |
| /** |
| * Test a file which doesn't exist. |
| */ |
| @Test |
| public void testNonExistentFile() { |
| final File nonExistentFile = new File(FileUtils.current(), "non-existent.txt"); |
| assertFalse(nonExistentFile.exists()); |
| assertTrue(comparator.compare(nonExistentFile, moreFile) < 0, "less"); |
| } |
| } |