/**
* Test creation and delete of file in one test. If this test fails, all other test will fail to!
*/
@org.junit.Test
public void testCreateDeleteEmptyFile() throws Exception {
Path filePath = Utils.resolveWithRoot(xenon.files(), getTestDir(), "testFile01");
Files files = getFiles();
// Previous test run could have gone wrong. Indicate here that a previous test run failed.
boolean preExisting = files.exists(filePath);
if (preExisting) {
try {
// try to delete first !
files.delete(filePath);
} catch (Exception e) {
}
assertFalse(
"exists(): Can't test createFile is previous test file already exists. File should now be deleted, please run test again.",
preExisting);
}
files.createFile(filePath);
// enforce ?
boolean exists = files.exists(filePath);
assertTrue("exist(): After createFile() exists() reports false.", exists);
files.delete(filePath);
assertTrue("delet(): After delete, method exist() return true.", exists);
}
@SuppressWarnings("unused")
public static void main(String[] args) {
try {
// We create a new Xenon using the XenonFactory (without providing any properties).
Xenon xenon = XenonFactory.newXenon(null);
// Next, we retrieve the Files, Jobs and Credentials API
Files files = xenon.files();
Jobs jobs = xenon.jobs();
Credentials credentials = xenon.credentials();
// We can now uses the interfaces to get some work done!
// ....
// Finally, we end Xenon to release all resources
XenonFactory.endXenon(xenon);
} catch (XenonException e) {
System.out.println("CreatingXenon example failed: " + e.getMessage());
e.printStackTrace();
}
}
public static void main(String[] args) {
try {
// First , we create a new Xenon using the XenonFactory (without providing any properties).
Xenon xenon = XenonFactory.newXenon(null);
// Next, we retrieve the Files and Credentials interfaces
Files files = xenon.files();
Credentials credentials = xenon.credentials();
// To create a new FileSystem we need a Credential that enable us to access the location.
Credential c = credentials.getDefaultCredential("file");
// We need to know the OS to determine the root of the file system
String root;
if (Utils.isWindows()) {
root = "C:";
} else {
root = "/";
}
// Now we can create a FileSystem (we don't provide any properties).
FileSystem fs = files.newFileSystem("file", root, c, null);
// We can now uses the FileSystem to access files!
// ....
// If we are done we need to close the FileSystem and the credential
credentials.close(c);
files.close(fs);
// Finally, we end Xenon to release all resources
XenonFactory.endXenon(xenon);
} catch (XenonException e) {
System.out.println("CreateLocalFileSystem example failed: " + e.getMessage());
e.printStackTrace();
}
}
protected static Files getFiles() throws XenonException {
// class synchronization:
synchronized (AbstractFileTests.class) {
// init xenon singleton instance:
if (xenon == null) {
xenon = XenonFactory.newXenon(null);
}
return xenon.files();
}
}
/**
* Create new and unique sub-directory for testing purposes. To avoid previous failed tests to
* interfere with current test run, an unique directory has to be created each time. It is
* recommend after each successful test run to delete the test directory and its contents.
*
* @param parentDirPath - parent directory to create (sub) directory in.
* @param dirPrefix - prefix of the sub-directory. An unique number will be append to this name,
* @return AbsolutPath of new created directory
*/
protected Path createUniqueTestSubdir(Path parentDirPath, String dirPrefix)
throws XenonException, XenonException {
do {
int myid = uniqueIdcounter++;
Path absPath = Utils.resolveWithRoot(xenon.files(), parentDirPath, dirPrefix + "." + myid);
if (getFiles().exists(absPath) == false) {
infoPrintf("createUniqueTestSubdir: '%s'+%d => '%s'\n", dirPrefix, myid, absPath);
getFiles().createDirectory(absPath);
return absPath;
}
} while (true);
}
/**
* Create new and unique test file.
*
* @param parentDirPath - parent directory to create file into.
* @param filePrefix - filePrefix to use as filename. An unique number will be added to the
* fileName.
* @param createFile - actually create (empty) file on (remote) file system.
* @return new Path, which points to existing file if createFile was true.
* @throws XenonException
* @throws XenonException
*/
protected Path createUniqueTestFile(Path parentDirPath, String filePrefix, boolean createFile)
throws XenonException {
do {
int myid = uniqueIdcounter++;
Path absPath = Utils.resolveWithRoot(xenon.files(), parentDirPath, filePrefix + "." + myid);
if (getFiles().exists(absPath) == false) {
infoPrintf("createUniqueTestFile: '%s'+%d => '%s'\n", filePrefix, myid, absPath);
if (createFile) {
getFiles().createFile(absPath);
}
return absPath;
}
} while (true);
}
/**
* Test creation and deletion of directory in one test. If this test fails, all other test will
* fail to!
*/
@org.junit.Test
public void testCreateDeleteEmptySubdir() throws Exception {
Files files = getFiles();
Path dirPath = Utils.resolveWithRoot(xenon.files(), getTestDir(), "testSubdir01");
assertFalse(
"Previous test directory already exists. Please clean test location.:" + dirPath,
files.exists(dirPath));
getFiles().createDirectory(dirPath);
// test both ?
boolean exists = files.exists(dirPath);
exists = files.exists(dirPath);
assertTrue(
"After createDirectory(), method exists() reports false for path:" + dirPath, exists);
assertDirIsEmpty(files, dirPath);
files.delete(dirPath);
exists = files.exists(dirPath);
assertFalse("After delete() on directory, method exists() reports false.", exists);
}
protected Path createFile(Path parentDirPath, String subFile) throws XenonException {
Path absPath = Utils.resolveWithRoot(xenon.files(), parentDirPath, subFile);
getFiles().createFile(absPath);
return absPath;
}
protected Path createSubdir(Path parentDirPath, String subDir) throws XenonException {
Path absPath = Utils.resolveWithRoot(xenon.files(), parentDirPath, subDir);
infoPrintf("createSubdir: '%s' -> '%s'\n", subDir, absPath);
getFiles().createDirectory(absPath);
return absPath;
}
