public void testEraseSingleBlob() throws Exception {
BlobVersion trx1 = store.newVersion("urn:test:trx1");
Writer file = trx1.open("urn:test:file").openWriter();
file.append("blob store test");
file.close();
trx1.commit();
store.erase();
assertEmpty(dir);
}
public void testRoundTripString() throws Exception {
BlobVersion trx1 = store.newVersion("urn:test:trx1");
Writer file = trx1.open("urn:test:file").openWriter();
file.append("blob store test");
file.close();
trx1.commit();
BlobVersion trx2 = store.newVersion("urn:test:trx2");
CharSequence str = trx2.open("urn:test:file").getCharContent(true);
assertEquals("blob store test", str.toString());
}
public void testAtomicity() throws Exception {
BlobVersion trx1 = store.newVersion("urn:test:trx1");
Writer file1 = trx1.open("urn:test:file1").openWriter();
file1.append("blob store test");
file1.close();
Writer file2 = trx1.open("urn:test:file2").openWriter();
file2.append("blob store test");
file2.close();
BlobVersion trx2 = store.newVersion("urn:test:trx2");
assertNull(trx2.open("urn:test:file1").getCharContent(true));
assertNull(trx2.open("urn:test:file2").getCharContent(true));
trx1.commit();
BlobVersion trx3 = store.newVersion("urn:test:trx3");
assertEquals("blob store test", trx3.open("urn:test:file1").getCharContent(true).toString());
assertEquals("blob store test", trx3.open("urn:test:file2").getCharContent(true).toString());
}
public void testReuseVersion() throws Exception {
BlobVersion trx1 = store.newVersion("urn:test:trx1");
Writer file1 = trx1.open("urn:test:file1").openWriter();
file1.append("blob store test");
file1.close();
trx1.commit();
BlobVersion trx2 = store.newVersion("urn:test:trx2");
file1 = trx2.open("urn:test:file1").openWriter();
file1.append("blob store test");
file1.close();
trx2.commit();
Writer file2 = trx2.open("urn:test:file2").openWriter();
file2.append("blob store test");
file2.close();
trx2.commit();
trx2 = store.newVersion("urn:test:trx2");
file2 = trx2.open("urn:test:file2").openWriter();
file2.append("blob store test");
file2.close();
trx2.commit();
BlobVersion trx3 = store.newVersion("urn:test:trx3");
CharSequence str1 = trx3.open("urn:test:file1").getCharContent(true);
assertEquals("blob store test", str1.toString());
CharSequence str2 = trx3.open("urn:test:file2").getCharContent(true);
assertEquals("blob store test", str2.toString());
}
public void testIsolation() throws Exception {
BlobVersion trx1 = store.newVersion("urn:test:trx1");
Writer file1 = trx1.open("urn:test:file1").openWriter();
file1.append("blob store test");
file1.close();
final CountDownLatch latch1 = new CountDownLatch(1);
new Thread(
new Runnable() {
public void run() {
try {
error = null;
try {
BlobVersion trx2 = store.newVersion("urn:test:trx2");
BlobObject blob = trx2.open("urn:test:file1");
assertNull(blob.getCharContent(true));
} catch (Exception e) {
e.printStackTrace();
fail();
} finally {
latch1.countDown();
}
} catch (AssertionFailedError e) {
error = e;
}
}
})
.start();
latch1.await();
if (error != null) throw error;
trx1.prepare();
final CountDownLatch latch2 = new CountDownLatch(1);
final CountDownLatch latch3 = new CountDownLatch(1);
new Thread(
new Runnable() {
public void run() {
try {
error = null;
try {
latch2.countDown();
BlobVersion trx3 = store.newVersion("urn:test:trx3");
BlobObject blob = trx3.open("urn:test:file1");
CharSequence str = blob.getCharContent(true);
assertNotNull(str);
assertEquals("blob store test", str.toString());
} catch (Exception e) {
e.printStackTrace();
fail();
} finally {
latch3.countDown();
}
} catch (AssertionFailedError e) {
error = e;
}
}
})
.start();
latch2.await();
assertFalse(latch3.await(1, TimeUnit.SECONDS));
trx1.commit();
latch3.await();
if (error != null) throw error;
}
