@Test
public void testReadOnlyTempFolderWithoutLog() {
if (!_shouldTest()) {
return;
}
List<LogRecord> logRecords =
JDKLoggerTestUtil.configureJDKLogger(FIFOUtil.class.getName(), Level.OFF);
File tempFolder = new File("tempFolder");
tempFolder.mkdirs();
tempFolder.setReadOnly();
String oldTempFolder = System.getProperty("java.io.tmpdir");
System.setProperty("java.io.tmpdir", tempFolder.getAbsolutePath());
try {
Assert.assertFalse(FIFOUtil.isFIFOSupported());
} finally {
System.setProperty("java.io.tmpdir", oldTempFolder);
}
Assert.assertTrue(logRecords.isEmpty());
}
@Test
public void testIsFIFOSupported() {
if (!_shouldTest()) {
return;
}
Assert.assertTrue(FIFOUtil.isFIFOSupported());
}
@Test
public void testPhantomDeleteOnDetecting() {
if (!_shouldTest()) {
return;
}
final AtomicInteger checkDeleteCount = new AtomicInteger();
final AtomicBoolean checkFlag = new AtomicBoolean();
SecurityManager securityManager =
new SecurityManager() {
@Override
public void checkDelete(String file) {
if (!checkFlag.get() && file.contains("temp-fifo-")) {
checkFlag.set(true);
if (checkDeleteCount.getAndIncrement() == 0) {
Assert.assertTrue(new File(file).delete());
}
checkFlag.set(false);
}
}
@Override
public void checkRead(String file) {
if (!checkFlag.get() && file.contains("temp-fifo-")) {
try {
checkFlag.set(true);
new File(file).createNewFile();
checkFlag.set(false);
} catch (IOException ioe) {
Assert.fail(ioe.getMessage());
}
}
}
@Override
public void checkPermission(Permission permission) {}
};
System.setSecurityManager(securityManager);
try {
Assert.assertTrue(FIFOUtil.isFIFOSupported());
} finally {
System.setSecurityManager(null);
}
Assert.assertEquals(2, checkDeleteCount.get());
}
@Test
public void testCreateFIFOWithBrokenFile() throws Exception {
if (!_shouldTest()) {
return;
}
try {
FIFOUtil.createFIFO(
new File("") {
@Override
public String getAbsolutePath() {
return null;
}
});
Assert.fail();
} catch (NullPointerException npe) {
}
}
@Test
public void testReadOnlyTempFolderWithLog() {
if (!_shouldTest()) {
return;
}
List<LogRecord> logRecords =
JDKLoggerTestUtil.configureJDKLogger(FIFOUtil.class.getName(), Level.WARNING);
File tempFolder = new File("tempFolder");
tempFolder.mkdirs();
tempFolder.setReadOnly();
String oldTempFolder = System.getProperty("java.io.tmpdir");
System.setProperty("java.io.tmpdir", tempFolder.getAbsolutePath());
try {
Assert.assertFalse(FIFOUtil.isFIFOSupported());
} finally {
System.setProperty("java.io.tmpdir", oldTempFolder);
}
Assert.assertEquals(1, logRecords.size());
LogRecord logRecord = logRecords.get(0);
Assert.assertEquals("Unable to detect FIFO support", logRecord.getMessage());
Throwable throwable = logRecord.getThrown();
Assert.assertEquals(Exception.class, throwable.getClass());
String message = throwable.getMessage();
Assert.assertTrue(
message.startsWith(
"Unable to create FIFO with command \"mkfifo\", external " + "process returned "));
}
