@Test
public void shouldLoadDataFromMoreFiles() throws IOException {
byte[] value = new byte[] {1, 2};
byte[] newValue = new byte[] {1, 2, 3};
writer.changeInstanceValue(1, 2, value);
writer.changeInstanceValue(2, 2, value);
writer.changeInstanceValue(1, 3, newValue);
writer.close();
writer = new FullSSDiscWriter(directoryPath);
writer.changeInstanceView(1, 4);
writer.close();
writer = new FullSSDiscWriter(directoryPath);
ConsensusInstance[] instances = writer.load().toArray(new ConsensusInstance[0]);
writer.close();
ConsensusInstance instance1 = instances[0];
ConsensusInstance instance2 = instances[1];
assertEquals(4, instance1.getView());
assertArrayEquals(newValue, instance1.getValue());
assertEquals(2, instance2.getView());
assertArrayEquals(value, instance2.getValue());
}
@Test
public void shouldLoadCorruptedData() throws IOException {
byte[] value = new byte[] {1, 2};
byte[] newValue = new byte[] {1, 2, 3};
writer.changeInstanceValue(1, 2, value);
writer.changeInstanceValue(2, 2, value);
writer.changeInstanceValue(1, 3, newValue);
writer.changeInstanceView(1, 4);
writer.close();
FileOutputStream stream = new FileOutputStream(directoryPath + "/sync.0.log", true);
stream.write(new byte[] {1, 2, 3});
stream.close();
writer = new FullSSDiscWriter(directoryPath);
ConsensusInstance[] instances = writer.load().toArray(new ConsensusInstance[0]);
writer.close();
ConsensusInstance instance1 = instances[0];
ConsensusInstance instance2 = instances[1];
assertEquals(4, instance1.getView());
assertArrayEquals(newValue, instance1.getValue());
assertEquals(2, instance2.getView());
assertArrayEquals(value, instance2.getValue());
}
@Test
public void shouldWriteOnInstanceValueChange() throws IOException {
byte[] value = new byte[] {1, 2};
writer.changeInstanceValue(1, 2, value);
ByteBuffer buffer = ByteBuffer.allocate(15);
buffer.put((byte) 2); // type
buffer.putInt(1); // id
buffer.putInt(2); // view
buffer.putInt(2); // value size
buffer.put(value); // value
String path = directoryPath + "/sync.0.log";
assertArrayEquals(readFile(path), buffer.array());
}