package org.apache.commons.io.testtools;
import junit.framework.AssertionFailedError;
import java.io.BufferedOutputStream;
import org.apache.commons.io.output.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.Reader;
import junit.framework.TestCase;
import java.io.Writer;
/**
* Base class for testcases doing tests with files.
*/
public abstract class FileBasedTestCase extends TestCase {
private static volatile File testDir;
public FileBasedTestCase(String name) {
super(name);
}
public static File getTestDirectory() {
if ((FileBasedTestCase.testDir) == null) {
FileBasedTestCase.testDir = new File("test/io/").getAbsoluteFile();
}
FileBasedTestCase.testDir.mkdirs();
return FileBasedTestCase.testDir;
}
protected void createFile(File file, long size) throws IOException {
if (!(file.getParentFile().exists())) {
throw new IOException((("Cannot create file " + file) + " as the parent directory does not exist"));
}
BufferedOutputStream output = new BufferedOutputStream(new FileOutputStream(file));
try {
generateTestData(output, size);
} finally {
org.apache.commons.io.IOUtils.closeQuietly(output);
}
}
protected byte[] generateTestData(long size) {
try {
ByteArrayOutputStream baout = new ByteArrayOutputStream();
generateTestData(baout, size);
return baout.toByteArray();
} catch (IOException ioe) {
throw new RuntimeException(("This should never happen: " + (ioe.getMessage())));
}
}
protected void generateTestData(OutputStream out, long size) throws IOException {
for (int i = 0 ; i < size ; i++) {
out.write(((byte)((i % 127) + 1)));
}
}
protected void createLineBasedFile(File file, String[] data) throws IOException {
if (((file.getParentFile()) != null) && (!(file.getParentFile().exists()))) {
throw new IOException((("Cannot create file " + file) + " as the parent directory does not exist"));
}
PrintWriter output = new PrintWriter(new OutputStreamWriter(new FileOutputStream(file) , "UTF-8"));
try {
for (String element : data) {
output.println(element);
}
} finally {
org.apache.commons.io.IOUtils.closeQuietly(output);
}
}
protected File newFile(String filename) throws IOException {
File destination = new File(FileBasedTestCase.getTestDirectory() , filename);
if (destination.exists()) {
org.apache.commons.io.FileUtils.forceDelete(destination);
}
return destination;
}
protected void checkFile(File file, File referenceFile) throws Exception {
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1715,file,1714,file.exists());
assertEqualContent(referenceFile, file);
}
/**
* Assert that the content of two files is the same.
*/
private void assertEqualContent(File f0, File f1) throws IOException {
InputStream is0 = new FileInputStream(f0);
try {
InputStream is1 = new FileInputStream(f1);
try {
byte[] buf0 = new byte[1024];
byte[] buf1 = new byte[1024];
int n0 = 0;
int n1 = 0;
while ((-1) != n0) {
n0 = is0.read(buf0);
n1 = is1.read(buf1);
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1709,(((((((("The files " + f0) + " and ") + f1) + " have differing number of bytes available (") + n0) + " vs ") + n1) + ")"));
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1710,(n0 == n1));
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1711,(((("The files " + f0) + " and ") + f1) + " have different content"));
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1713,null,1712,java.util.Arrays.equals(buf0, buf1));
}
} finally {
is1.close();
}
} finally {
is0.close();
}
}
/**
* Assert that the content of a file is equal to that in a byte[].
*/
protected void assertEqualContent(byte[] b0, File file) throws IOException {
InputStream is = new FileInputStream(file);
int count = 0;
int numRead = 0;
byte[] b1 = new byte[b0.length];
try {
while ((count < (b0.length)) && (numRead >= 0)) {
numRead = is.read(b1, count, b0.length);
count += numRead;
}
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1699,b0.length);
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1700,count);
for (int i = 0 ; i < count ; i++) {
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1701,(("byte " + i) + " differs"));
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1702,b0[i]);
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1703,b1[i]);
}
} finally {
is.close();
}
}
/**
* Assert that the content of a file is equal to that in a char[].
*/
protected void assertEqualContent(char[] c0, File file) throws IOException {
Reader ir = new FileReader(file);
int count = 0;
int numRead = 0;
char[] c1 = new char[c0.length];
try {
while ((count < (c0.length)) && (numRead >= 0)) {
numRead = ir.read(c1, count, c0.length);
count += numRead;
}
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1704,c0.length);
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1705,count);
for (int i = 0 ; i < count ; i++) {
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1706,(("char " + i) + " differs"));
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1707,c0[i]);
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1708,c1[i]);
}
} finally {
ir.close();
}
}
protected void checkWrite(OutputStream output) throws Exception {
try {
new PrintStream(output).write(0);
} catch (Throwable t) {
throw new AssertionFailedError((("The copy() method closed the stream " + "when it shouldn\'t have. ") + (t.getMessage())));
}
}
protected void checkWrite(Writer output) throws Exception {
try {
new PrintWriter(output).write('a');
} catch (Throwable t) {
throw new AssertionFailedError((("The copy() method closed the stream " + "when it shouldn\'t have. ") + (t.getMessage())));
}
}
protected void deleteFile(File file) throws Exception {
if (file.exists()) {
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1716,("Couldn\'t delete file: " + file));
fr.inria.diversify.testamplification.logger.Logger.logAssertArgument(Thread.currentThread(),1718,file,1717,file.delete());
}
}
}