/*
* Copyright [2012-2014] PayPal Software Foundation
*
* Licensed 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 ml.shifu.shifu.fs;
import ml.shifu.shifu.container.obj.RawSourceData.SourceType;
import org.apache.commons.io.FileUtils;
import org.testng.Assert;
import org.testng.annotations.Test;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
/**
* ShifuFileUtilsTest class
*/
public class ShifuFileUtilsTest {
@Test
public void getDataScannersTest() throws IOException {
File file = new File("common-utils");
if (file.exists()) {
FileUtils.deleteDirectory(file);
}
FileUtils.forceMkdir(file);
List<Scanner> list = ShifuFileUtils.getDataScanners(Arrays.asList(new String[]{"common-utils"}), SourceType.HDFS);
Assert.assertTrue(list.size() == 0);
file = new File("common-utils/part-0000");
FileUtils.touch(file);
list = ShifuFileUtils.getDataScanners(Arrays.asList(new String[]{"common-utils"}), SourceType.HDFS);
Assert.assertTrue(list.size() == 1);
for (Scanner scanner : list) {
scanner.close();
}
FileUtils.deleteDirectory(new File("common-utils"));
}
@Test
public void getReaderTest() throws IOException {
BufferedReader reader = ShifuFileUtils.getReader("src/test/resources/example/wdbc/wdbcDataSet/wdbc.eval",
SourceType.HDFS);
Assert.assertEquals("84300903,M,19.69,21.25,130,1203,0.1096,0.1599,0.1974,0.1279,0.2069,0.05999,0.7456,0.7869,4.585,94.03,0.00615,0.04006,0.03832,0.02058,0.0225,0.004571,23.57,25.53,152.5,1709,0.1444,0.4245,0.4504,0.243,0.3613,0.08758", reader.readLine());
reader.close();
}
@Test
public void copyDataTest() throws IOException {
File file = new File("common-utils/from_data");
if (!file.exists()) {
FileUtils.forceMkdir(file);
}
ShifuFileUtils.copy("common-utils/from_data", "common-utils/to_data", SourceType.LOCAL);
file = new File("common-utils/to_data");
Assert.assertTrue(file.exists());
}
@Test
public void testIsFileExists() throws IOException {
Assert.assertTrue(ShifuFileUtils.isFileExists("src/test/resources/example/wdbc/wdbcDataSet", SourceType.LOCAL));
// Assert.assertTrue(ShifuFileUtils.isFileExists("src\\test\\resources\\example\\wdbc\\wdbcDataSet", SourceType.LOCAL));
Assert.assertTrue(ShifuFileUtils.isFileExists("src/test/resources/example/wdbc/wdbcDataSet/wdbc.{data,eval,header,train}", SourceType.LOCAL));
Assert.assertTrue(ShifuFileUtils.isFileExists("src/test/resources/example/wdbc/wdbcDataSet/wdbc.{not-exists,eval,header,train}", SourceType.LOCAL));
Assert.assertFalse(ShifuFileUtils.isFileExists("src/test/resources/example/wdbc/wdbcDataSet/wdbc.{not-exists,not-existsa,not-existsb}", SourceType.LOCAL));
}
@Test
public void testExpandPath() throws IOException {
File testDir = new File("test-dir");
FileUtils.forceMkdir(testDir);
File tmp0 = new File("test-dir/tmp0");
File tmp1 = new File("test-dir/tmp1");
File tmp2 = new File("test-dir/tmp2");
FileUtils.touch(tmp0);
FileUtils.touch(tmp1);
FileUtils.touch(tmp2);
List<String> filePathList = ShifuFileUtils.expandPath("test-dir/tmp[0-2]", SourceType.LOCAL);
Assert.assertEquals(3, filePathList.size());
filePathList = ShifuFileUtils.expandPath("test-dir/{tmp0,tmp2}", SourceType.LOCAL);
Assert.assertEquals(2, filePathList.size());
Assert.assertTrue(filePathList.get(0).contains("test-dir/tmp0"));
filePathList = ShifuFileUtils.expandPath("*-dir/*", SourceType.LOCAL);
Assert.assertEquals(3, filePathList.size());
Assert.assertTrue(filePathList.get(0).contains("test-dir/tmp"));
filePathList = ShifuFileUtils.expandPath("~", SourceType.LOCAL);
Assert.assertEquals(0, filePathList.size());
FileUtils.deleteDirectory(testDir);
}
@Test
public void testReadFilePartsIntoList() throws IOException {
List<String> lines = ShifuFileUtils.readFilePartsIntoList("src/test/resources/example/partfile", SourceType.LOCAL);
Assert.assertEquals(5, lines.size());
}
}