@Test
public void testGetMemoFilePermissionsDirectory() throws Exception {
String uuid = UUID.randomUUID().toString();
File directory = new File(System.getProperty("java.io.tmpdir"), uuid);
memoizer = new Memoizer(reader, 0, directory);
// Check non-existing memo directory returns null
assertEquals(memoizer.getMemoFile(id), null);
// Create memoizer directory and memoizer reader
directory.mkdirs();
memoizer = new Memoizer(reader, 0, directory);
// Check existing non-writeable memo directory returns null
if (File.separator.equals("/")) {
// File.setWritable() does not work properly on Windows
directory.setWritable(false);
assertEquals(memoizer.getMemoFile(id), null);
}
// Check existing writeable memo diretory returns a memo file
directory.setWritable(true);
String memoDir = idDir.getAbsolutePath();
memoDir = memoDir.substring(memoDir.indexOf(File.separator) + 1);
File memoFile = new File(directory, memoDir);
memoFile = new File(memoFile, "." + TEST_FILE + ".bfmemo");
assertEquals(memoizer.getMemoFile(id).getAbsolutePath(), memoFile.getAbsolutePath());
}
@Test
public void testConstructorReaderTimeElapsedDirectory() throws Exception {
String uuid = UUID.randomUUID().toString();
File directory = new File(System.getProperty("java.io.tmpdir"), uuid);
memoizer = new Memoizer(reader, 0, directory);
// Check non-existing memo directory returns null
assertEquals(memoizer.getMemoFile(id), null);
// Create memoizer directory and memoizer reader
directory.mkdirs();
String memoDir = idDir.getAbsolutePath();
memoDir = memoDir.substring(memoDir.indexOf(File.separator) + 1);
File memoFile = new File(directory, memoDir);
memoFile = new File(memoFile, "." + TEST_FILE + ".bfmemo");
File f = memoizer.getMemoFile(id);
assertEquals(f.getAbsolutePath(), memoFile.getAbsolutePath());
// Test multiple setId invocations
memoizer.setId(id);
assertFalse(memoizer.isLoadedFromMemo());
assertTrue(memoizer.isSavedToMemo());
memoizer.close();
memoizer.setId(id);
assertTrue(memoizer.isLoadedFromMemo());
assertFalse(memoizer.isSavedToMemo());
memoizer.close();
}
@Test
public void testConstructorReaderTimeElapsedNull() throws Exception {
memoizer = new Memoizer(reader, 0, null);
// Check null memo directory returns null
assertEquals(memoizer.getMemoFile(id), null);
// Test setId invocation
memoizer.setId(id);
assertFalse(memoizer.isLoadedFromMemo());
assertFalse(memoizer.isSavedToMemo());
memoizer.close();
}
@Test
public void testGetMemoFilePermissionsInPlace() throws Exception {
memoizer = new Memoizer(reader);
// Check non-writeable file directory returns null for in-place caching
if (File.separator.equals("/")) {
// File.setWritable() does not work properly on Windows
idDir.setWritable(false);
assertEquals(memoizer.getMemoFile(id), null);
}
// Check writeable file directory returns memo file beside file
idDir.setWritable(true);
File memoFile = new File(idDir, "." + TEST_FILE + ".bfmemo");
assertEquals(memoizer.getMemoFile(id).getAbsolutePath(), memoFile.getAbsolutePath());
}
@Test
public void testSimple() throws Exception {
memoizer = new Memoizer(reader);
File f = memoizer.getMemoFile(id);
if (f != null && f.exists()) {
f.delete();
}
// At this point we're sure that there's no memo file.
reader.setId(id);
reader.close();
memoizer.setId(id);
memoizer.close();
memoizer.setId(id);
memoizer.close();
}
@Test
public void testConstructorReader() throws Exception {
memoizer = new Memoizer(reader);
File f = memoizer.getMemoFile(id);
File memoFile = new File(idDir, "." + TEST_FILE + ".bfmemo");
assertEquals(f.getAbsolutePath(), memoFile.getAbsolutePath());
}
@Test
public void testConstructorReaderTimeElapsed() throws Exception {
memoizer = new Memoizer(reader, 0);
File f = memoizer.getMemoFile(id);
File memoFile = new File(idDir, "." + TEST_FILE + ".bfmemo");
assertEquals(f.getAbsolutePath(), memoFile.getAbsolutePath());
// Test multiple setId invocations
memoizer.setId(id);
assertFalse(memoizer.isLoadedFromMemo());
assertTrue(memoizer.isSavedToMemo());
memoizer.close();
memoizer.setId(id);
assertTrue(memoizer.isLoadedFromMemo());
assertFalse(memoizer.isSavedToMemo());
memoizer.close();
}
@Test
public void testRelocate() throws Exception {
// Create an in-place memo file
memoizer = new Memoizer(reader, 0);
memoizer.setId(id);
memoizer.close();
assertFalse(memoizer.isLoadedFromMemo());
assertTrue(memoizer.isSavedToMemo());
// Rename the directory (including the file and the memo file)
String uuid = UUID.randomUUID().toString();
File newidDir = new File(System.getProperty("java.io.tmpdir"), uuid);
idDir.renameTo(newidDir);
File newtempFile = new File(newidDir, TEST_FILE);
String newid = newtempFile.getAbsolutePath();
// Try to reopen the file with the Memoizer
memoizer.setId(newid);
memoizer.close();
assertFalse(memoizer.isLoadedFromMemo());
assertTrue(memoizer.isSavedToMemo());
}
@AfterMethod
public void tearDown() throws Exception {
memoizer.close();
reader.close();
}