Commons IO example source code file (FileSystemUtilsTestCase.java)
The Commons IO FileSystemUtilsTestCase.java source code
/*
* 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;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.Locale;
import org.apache.commons.io.testtools.FileBasedTestCase;
/**
* This is used to test FileSystemUtils.
*
* @version $Id: FileSystemUtilsTestCase.java 1002819 2010-09-29 19:30:10Z niallp $
*/
public class FileSystemUtilsTestCase extends FileBasedTestCase {
public FileSystemUtilsTestCase(String name) {
super(name);
}
@Override
protected void setUp() throws Exception {
}
@Override
protected void tearDown() throws Exception {
}
//-----------------------------------------------------------------------
public void testGetFreeSpace_String() throws Exception {
// test coverage, as we can't check value
if (File.separatorChar == '/') {
// have to figure out unix block size
String[] cmd = null;
String osName = System.getProperty("os.name");
osName = osName.toLowerCase(Locale.ENGLISH);
if (osName.indexOf("hp-ux") >= 0 || osName.indexOf("aix") >= 0) {
cmd = new String[] {"df", "-P", "/"};
} else if (osName.indexOf("sunos") >= 0 || osName.indexOf("sun os") >= 0
|| osName.indexOf("solaris") >= 0) {
cmd = new String[] {"/usr/xpg4/bin/df", "-P", "/"};
} else {
cmd = new String[] {"df", "/"};
}
Process proc = Runtime.getRuntime().exec(cmd);
boolean kilobyteBlock = true;
BufferedReader r = null;
try {
r = new BufferedReader(new InputStreamReader(proc.getInputStream()));
String line = r.readLine();
if (line.indexOf("512") >= 0) {
kilobyteBlock = false;
}
} finally {
IOUtils.closeQuietly(r);
}
// now perform the test
@SuppressWarnings("deprecation")
long free = FileSystemUtils.freeSpace("/");
long kb = FileSystemUtils.freeSpaceKb("/");
if (kilobyteBlock) {
assertEquals(free, kb, 256d);
} else {
assertEquals(free / 2d, kb, 256d);
}
} else {
@SuppressWarnings("deprecation")
long bytes = FileSystemUtils.freeSpace("");
long kb = FileSystemUtils.freeSpaceKb("");
assertEquals((double) bytes / 1024, kb, 256d);
}
}
//-----------------------------------------------------------------------
public void testGetFreeSpaceOS_String_NullPath() throws Exception {
FileSystemUtils fsu = new FileSystemUtils();
try {
fsu.freeSpaceOS(null, 1, false, -1);
fail();
} catch (IllegalArgumentException ex) {}
try {
fsu.freeSpaceOS(null, 1, true, -1);
fail();
} catch (IllegalArgumentException ex) {}
}
public void testGetFreeSpaceOS_String_InitError() throws Exception {
FileSystemUtils fsu = new FileSystemUtils();
try {
fsu.freeSpaceOS("", -1, false, -1);
fail();
} catch (IllegalStateException ex) {}
try {
fsu.freeSpaceOS("", -1, true, -1);
fail();
} catch (IllegalStateException ex) {}
}
public void testGetFreeSpaceOS_String_Other() throws Exception {
FileSystemUtils fsu = new FileSystemUtils();
try {
fsu.freeSpaceOS("", 0, false, -1);
fail();
} catch (IllegalStateException ex) {}
try {
fsu.freeSpaceOS("", 0, true, -1);
fail();
} catch (IllegalStateException ex) {}
}
public void testGetFreeSpaceOS_String_Windows() throws Exception {
FileSystemUtils fsu = new FileSystemUtils() {
@Override
protected long freeSpaceWindows(String path, long timeout) throws IOException {
return 12345L;
}
};
assertEquals(12345L, fsu.freeSpaceOS("", 1, false, -1));
assertEquals(12345L / 1024, fsu.freeSpaceOS("", 1, true, -1));
}
public void testGetFreeSpaceOS_String_Unix() throws Exception {
FileSystemUtils fsu = new FileSystemUtils() {
@Override
protected long freeSpaceUnix(String path, boolean kb, boolean posix, long timeout) throws IOException {
return (kb ? 12345L : 54321);
}
};
assertEquals(54321L, fsu.freeSpaceOS("", 2, false, -1));
assertEquals(12345L, fsu.freeSpaceOS("", 2, true, -1));
}
//-----------------------------------------------------------------------
public void testGetFreeSpaceWindows_String_ParseCommaFormatBytes() throws Exception {
// this is the format of response when calling dir /c
// we have now switched to dir /-c, so we should never get this
String lines =
" Volume in drive C is HDD\n" +
" Volume Serial Number is XXXX-YYYY\n" +
"\n" +
" Directory of C:\\Documents and Settings\\Xxxx\n" +
"\n" +
"19/08/2005 22:43 <DIR> .\n" +
"19/08/2005 22:43 <DIR> ..\n" +
"11/08/2005 01:07 81 build.properties\n" +
"17/08/2005 21:44 <DIR> Desktop\n" +
" 7 File(s) 180,260 bytes\n" +
" 10 Dir(s) 41,411,551,232 bytes free";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
assertEquals(41411551232L, fsu.freeSpaceWindows("", -1));
}
//-----------------------------------------------------------------------
public void testGetFreeSpaceWindows_String_EmptyPath() throws Exception {
String lines =
" Volume in drive C is HDD\n" +
" Volume Serial Number is XXXX-YYYY\n" +
"\n" +
" Directory of C:\\Documents and Settings\\Xxxx\n" +
"\n" +
"19/08/2005 22:43 <DIR> .\n" +
"19/08/2005 22:43 <DIR> ..\n" +
"11/08/2005 01:07 81 build.properties\n" +
"17/08/2005 21:44 <DIR> Desktop\n" +
" 7 File(s) 180260 bytes\n" +
" 10 Dir(s) 41411551232 bytes free";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines, "dir /-c ");
assertEquals(41411551232L, fsu.freeSpaceWindows("", -1));
}
public void testGetFreeSpaceWindows_String_NormalResponse() throws Exception {
String lines =
" Volume in drive C is HDD\n" +
" Volume Serial Number is XXXX-YYYY\n" +
"\n" +
" Directory of C:\\Documents and Settings\\Xxxx\n" +
"\n" +
"19/08/2005 22:43 <DIR> .\n" +
"19/08/2005 22:43 <DIR> ..\n" +
"11/08/2005 01:07 81 build.properties\n" +
"17/08/2005 21:44 <DIR> Desktop\n" +
" 7 File(s) 180260 bytes\n" +
" 10 Dir(s) 41411551232 bytes free";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines, "dir /-c \"C:\"");
assertEquals(41411551232L, fsu.freeSpaceWindows("C:", -1));
}
public void testGetFreeSpaceWindows_String_StripDrive() throws Exception {
String lines =
" Volume in drive C is HDD\n" +
" Volume Serial Number is XXXX-YYYY\n" +
"\n" +
" Directory of C:\\Documents and Settings\\Xxxx\n" +
"\n" +
"19/08/2005 22:43 <DIR> .\n" +
"19/08/2005 22:43 <DIR> ..\n" +
"11/08/2005 01:07 81 build.properties\n" +
"17/08/2005 21:44 <DIR> Desktop\n" +
" 7 File(s) 180260 bytes\n" +
" 10 Dir(s) 41411551232 bytes free";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines, "dir /-c \"C:\\somedir\"");
assertEquals(41411551232L, fsu.freeSpaceWindows("C:\\somedir", -1));
}
public void testGetFreeSpaceWindows_String_quoted() throws Exception {
String lines =
" Volume in drive C is HDD\n" +
" Volume Serial Number is XXXX-YYYY\n" +
"\n" +
" Directory of C:\\Documents and Settings\\Xxxx\n" +
"\n" +
"19/08/2005 22:43 <DIR> .\n" +
"19/08/2005 22:43 <DIR> ..\n" +
"11/08/2005 01:07 81 build.properties\n" +
"17/08/2005 21:44 <DIR> Desktop\n" +
" 7 File(s) 180260 bytes\n" +
" 10 Dir(s) 41411551232 bytes free";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines, "dir /-c \"C:\\somedir\"");
assertEquals(41411551232L, fsu.freeSpaceWindows("\"C:\\somedir\"", -1));
}
public void testGetFreeSpaceWindows_String_EmptyResponse() throws Exception {
String lines = "";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
try {
fsu.freeSpaceWindows("C:", -1);
fail();
} catch (IOException ex) {}
}
public void testGetFreeSpaceWindows_String_EmptyMultiLineResponse() throws Exception {
String lines = "\n\n";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
try {
fsu.freeSpaceWindows("C:", -1);
fail();
} catch (IOException ex) {}
}
public void testGetFreeSpaceWindows_String_InvalidTextResponse() throws Exception {
String lines = "BlueScreenOfDeath";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
try {
fsu.freeSpaceWindows("C:", -1);
fail();
} catch (IOException ex) {}
}
public void testGetFreeSpaceWindows_String_NoSuchDirectoryResponse() throws Exception {
String lines =
" Volume in drive C is HDD\n" +
" Volume Serial Number is XXXX-YYYY\n" +
"\n" +
" Directory of C:\\Documents and Settings\\empty" +
"\n";
FileSystemUtils fsu = new MockFileSystemUtils(1, lines);
try {
fsu.freeSpaceWindows("C:", -1);
fail();
} catch (IOException ex) {}
}
//-----------------------------------------------------------------------
public void testGetFreeSpaceUnix_String_EmptyPath() throws Exception {
String lines =
"Filesystem 1K-blocks Used Available Use% Mounted on\n" +
"xxx:/home/users/s 14428928 12956424 1472504 90% /home/users/s";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
try {
fsu.freeSpaceUnix("", false, false, -1);
fail();
} catch (IllegalArgumentException ex) {}
try {
fsu.freeSpaceUnix("", true, false, -1);
fail();
} catch (IllegalArgumentException ex) {}
try {
fsu.freeSpaceUnix("", true, true, -1);
fail();
} catch (IllegalArgumentException ex) {}
try {
fsu.freeSpaceUnix("", false, true, -1);
fail();
} catch (IllegalArgumentException ex) {}
}
public void testGetFreeSpaceUnix_String_NormalResponseLinux() throws Exception {
// from Sourceforge 'GNU bash, version 2.05b.0(1)-release (i386-redhat-linux-gnu)'
String lines =
"Filesystem 1K-blocks Used Available Use% Mounted on\n" +
"/dev/xxx 497944 308528 189416 62% /";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
assertEquals(189416L, fsu.freeSpaceUnix("/", false, false, -1));
}
public void testGetFreeSpaceUnix_String_NormalResponseFreeBSD() throws Exception {
// from Apache 'FreeBSD 6.1-RELEASE (SMP-turbo)'
String lines =
"Filesystem 1K-blocks Used Avail Capacity Mounted on\n" +
"/dev/xxxxxx 128990 102902 15770 87% /";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
assertEquals(15770L, fsu.freeSpaceUnix("/", false, false, -1));
}
//-----------------------------------------------------------------------
public void testGetFreeSpaceUnix_String_NormalResponseKbLinux() throws Exception {
// from Sourceforge 'GNU bash, version 2.05b.0(1)-release (i386-redhat-linux-gnu)'
// df, df -k and df -kP are all identical
String lines =
"Filesystem 1K-blocks Used Available Use% Mounted on\n" +
"/dev/xxx 497944 308528 189416 62% /";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
assertEquals(189416L, fsu.freeSpaceUnix("/", true, false, -1));
}
public void testGetFreeSpaceUnix_String_NormalResponseKbFreeBSD() throws Exception {
// from Apache 'FreeBSD 6.1-RELEASE (SMP-turbo)'
// df and df -k are identical, but df -kP uses 512 blocks (not relevant as not used)
String lines =
"Filesystem 1K-blocks Used Avail Capacity Mounted on\n" +
"/dev/xxxxxx 128990 102902 15770 87% /";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
assertEquals(15770L, fsu.freeSpaceUnix("/", true, false, -1));
}
public void testGetFreeSpaceUnix_String_NormalResponseKbSolaris() throws Exception {
// from IO-91 - ' SunOS et 5.10 Generic_118822-25 sun4u sparc SUNW,Ultra-4'
// non-kb response does not contain free space - see IO-91
String lines =
"Filesystem kbytes used avail capacity Mounted on\n" +
"/dev/dsk/x0x0x0x0 1350955 815754 481163 63%";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
assertEquals(481163L, fsu.freeSpaceUnix("/dev/dsk/x0x0x0x0", true, false, -1));
}
public void testGetFreeSpaceUnix_String_LongResponse() throws Exception {
String lines =
"Filesystem 1K-blocks Used Available Use% Mounted on\n" +
"xxx-yyyyyyy-zzz:/home/users/s\n" +
" 14428928 12956424 1472504 90% /home/users/s";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
assertEquals(1472504L, fsu.freeSpaceUnix("/home/users/s", false, false, -1));
}
public void testGetFreeSpaceUnix_String_LongResponseKb() throws Exception {
String lines =
"Filesystem 1K-blocks Used Available Use% Mounted on\n" +
"xxx-yyyyyyy-zzz:/home/users/s\n" +
" 14428928 12956424 1472504 90% /home/users/s";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
assertEquals(1472504L, fsu.freeSpaceUnix("/home/users/s", true, false, -1));
}
public void testGetFreeSpaceUnix_String_EmptyResponse() throws Exception {
String lines = "";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
try {
fsu.freeSpaceUnix("/home/users/s", false, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", false, true, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, true, -1);
fail();
} catch (IOException ex) {}
}
public void testGetFreeSpaceUnix_String_InvalidResponse1() throws Exception {
String lines =
"Filesystem 1K-blocks Used Available Use% Mounted on\n" +
" 14428928 12956424 100";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
try {
fsu.freeSpaceUnix("/home/users/s", false, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", false, true, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, true, -1);
fail();
} catch (IOException ex) {}
}
public void testGetFreeSpaceUnix_String_InvalidResponse2() throws Exception {
String lines =
"Filesystem 1K-blocks Used Available Use% Mounted on\n" +
"xxx:/home/users/s 14428928 12956424 nnnnnnn 90% /home/users/s";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
try {
fsu.freeSpaceUnix("/home/users/s", false, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", false, true, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, true, -1);
fail();
} catch (IOException ex) {}
}
public void testGetFreeSpaceUnix_String_InvalidResponse3() throws Exception {
String lines =
"Filesystem 1K-blocks Used Available Use% Mounted on\n" +
"xxx:/home/users/s 14428928 12956424 -1 90% /home/users/s";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
try {
fsu.freeSpaceUnix("/home/users/s", false, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", false, true, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, true, -1);
fail();
} catch (IOException ex) {}
}
public void testGetFreeSpaceUnix_String_InvalidResponse4() throws Exception {
String lines =
"Filesystem 1K-blocks Used Available Use% Mounted on\n" +
"xxx-yyyyyyy-zzz:/home/users/s";
FileSystemUtils fsu = new MockFileSystemUtils(0, lines);
try {
fsu.freeSpaceUnix("/home/users/s", false, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, false, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", false, true, -1);
fail();
} catch (IOException ex) {}
try {
fsu.freeSpaceUnix("/home/users/s", true, true, -1);
fail();
} catch (IOException ex) {}
}
//-----------------------------------------------------------------------
static class MockFileSystemUtils extends FileSystemUtils {
private final int exitCode;
private final byte[] bytes;
private final String cmd;
public MockFileSystemUtils(int exitCode, String lines) {
this(exitCode, lines, null);
}
public MockFileSystemUtils(int exitCode, String lines, String cmd) {
this.exitCode = exitCode;
this.bytes = lines.getBytes();
this.cmd = cmd;
}
@Override
Process openProcess(String[] params) {
if (cmd != null) {
assertEquals(cmd, params[params.length - 1]);
}
return new Process() {
@Override
public InputStream getErrorStream() {
return null;
}
@Override
public InputStream getInputStream() {
return new ByteArrayInputStream(bytes);
}
@Override
public OutputStream getOutputStream() {
return null;
}
@Override
public int waitFor() throws InterruptedException {
return exitCode;
}
@Override
public int exitValue() {
return exitCode;
}
@Override
public void destroy() {
}
};
}
}
}
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