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Add versions record to sync protocol.

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This commit is contained in:
akwizgran
2019-06-13 16:03:31 +01:00
parent ae1d1fc5a7
commit c228e5c219
8 changed files with 118 additions and 14 deletions
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57
bramble-core/src/test/java/org/briarproject/bramble/sync/SyncRecordReaderImplTest.java
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@@ -10,11 +10,14 @@ import org.briarproject.bramble.api.sync.MessageFactory;
import org.briarproject.bramble.api.sync.Offer;
import org.briarproject.bramble.api.sync.Request;
import org.briarproject.bramble.api.sync.SyncRecordReader;
import org.briarproject.bramble.api.sync.Versions;
import org.briarproject.bramble.test.BrambleMockTestCase;
import org.jmock.Expectations;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.util.List;
import javax.annotation.Nullable;
@@ -22,7 +25,9 @@ import static org.briarproject.bramble.api.record.Record.MAX_RECORD_PAYLOAD_BYTE
import static org.briarproject.bramble.api.sync.RecordTypes.ACK;
import static org.briarproject.bramble.api.sync.RecordTypes.OFFER;
import static org.briarproject.bramble.api.sync.RecordTypes.REQUEST;
import static org.briarproject.bramble.api.sync.RecordTypes.VERSIONS;
import static org.briarproject.bramble.api.sync.SyncConstants.MAX_MESSAGE_IDS;
import static org.briarproject.bramble.api.sync.SyncConstants.MAX_SUPPORTED_VERSIONS;
import static org.briarproject.bramble.api.sync.SyncConstants.PROTOCOL_VERSION;
import static org.briarproject.bramble.test.TestUtils.getRandomId;
import static org.junit.Assert.assertEquals;
@@ -35,12 +40,17 @@ public class SyncRecordReaderImplTest extends BrambleMockTestCase {
context.mock(MessageFactory.class);
private final RecordReader recordReader = context.mock(RecordReader.class);
private SyncRecordReader reader;
@Before
public void setUp() {
reader = new SyncRecordReaderImpl(messageFactory, recordReader);
}
@Test
public void testNoFormatExceptionIfAckIsMaximumSize() throws Exception {
expectReadRecord(createAck());
SyncRecordReader reader =
new SyncRecordReaderImpl(messageFactory, recordReader);
Ack ack = reader.readAck();
assertEquals(MAX_MESSAGE_IDS, ack.getMessageIds().size());
}
@@ -49,8 +59,6 @@ public class SyncRecordReaderImplTest extends BrambleMockTestCase {
public void testFormatExceptionIfAckIsEmpty() throws Exception {
expectReadRecord(createEmptyAck());
SyncRecordReader reader =
new SyncRecordReaderImpl(messageFactory, recordReader);
reader.readAck();
}
@@ -58,8 +66,6 @@ public class SyncRecordReaderImplTest extends BrambleMockTestCase {
public void testNoFormatExceptionIfOfferIsMaximumSize() throws Exception {
expectReadRecord(createOffer());
SyncRecordReader reader =
new SyncRecordReaderImpl(messageFactory, recordReader);
Offer offer = reader.readOffer();
assertEquals(MAX_MESSAGE_IDS, offer.getMessageIds().size());
}
@@ -68,8 +74,6 @@ public class SyncRecordReaderImplTest extends BrambleMockTestCase {
public void testFormatExceptionIfOfferIsEmpty() throws Exception {
expectReadRecord(createEmptyOffer());
SyncRecordReader reader =
new SyncRecordReaderImpl(messageFactory, recordReader);
reader.readOffer();
}
@@ -77,8 +81,6 @@ public class SyncRecordReaderImplTest extends BrambleMockTestCase {
public void testNoFormatExceptionIfRequestIsMaximumSize() throws Exception {
expectReadRecord(createRequest());
SyncRecordReader reader =
new SyncRecordReaderImpl(messageFactory, recordReader);
Request request = reader.readRequest();
assertEquals(MAX_MESSAGE_IDS, request.getMessageIds().size());
}
@@ -87,11 +89,36 @@ public class SyncRecordReaderImplTest extends BrambleMockTestCase {
public void testFormatExceptionIfRequestIsEmpty() throws Exception {
expectReadRecord(createEmptyRequest());
SyncRecordReader reader =
new SyncRecordReaderImpl(messageFactory, recordReader);
reader.readRequest();
}
@Test
public void testNoFormatExceptionIfVersionsIsMaximumSize()
throws Exception {
expectReadRecord(createVersions(MAX_SUPPORTED_VERSIONS));
Versions versions = reader.readVersions();
List<Byte> supported = versions.getSupportedVersions();
assertEquals(MAX_SUPPORTED_VERSIONS, supported.size());
for (int i = 0; i < supported.size(); i++) {
assertEquals(i, (int) supported.get(i));
}
}
@Test(expected = FormatException.class)
public void testFormatExceptionIfVersionsIsEmpty() throws Exception {
expectReadRecord(createVersions(0));
reader.readVersions();
}
@Test(expected = FormatException.class)
public void testFormatExceptionIfVersionsIsTooLarge() throws Exception {
expectReadRecord(createVersions(MAX_SUPPORTED_VERSIONS + 1));
reader.readVersions();
}
@Test
public void testEofReturnsTrueWhenAtEndOfStream() throws Exception {
expectReadRecord(createAck());
@@ -140,6 +167,12 @@ public class SyncRecordReaderImplTest extends BrambleMockTestCase {
return new Record(PROTOCOL_VERSION, REQUEST, new byte[0]);
}
private Record createVersions(int numVersions) {
byte[] payload = new byte[numVersions];
for (int i = 0; i < payload.length; i++) payload[i] = (byte) i;
return new Record(PROTOCOL_VERSION, VERSIONS, payload);
}
private byte[] createPayload() throws Exception {
ByteArrayOutputStream payload = new ByteArrayOutputStream();
while (payload.size() + UniqueId.LENGTH <= MAX_RECORD_PAYLOAD_BYTES) {