Signal-Android/app/src/test/java/org/thoughtcrime/securesms/storage/StorageSyncHelperTest.java

565 lines
26 KiB
Java

package org.thoughtcrime.securesms.storage;
import androidx.annotation.NonNull;
import com.annimon.stream.Stream;
import org.junit.Before;
import org.junit.Test;
import org.signal.zkgroup.InvalidInputException;
import org.signal.zkgroup.groups.GroupMasterKey;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import org.thoughtcrime.securesms.logging.Log;
import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.storage.StorageSyncHelper.KeyDifferenceResult;
import org.thoughtcrime.securesms.storage.StorageSyncHelper.MergeResult;
import org.thoughtcrime.securesms.util.FeatureFlags;
import org.whispersystems.libsignal.util.guava.Optional;
import org.whispersystems.signalservice.api.push.SignalServiceAddress;
import org.whispersystems.signalservice.api.storage.SignalAccountRecord;
import org.whispersystems.signalservice.api.storage.SignalContactRecord;
import org.whispersystems.signalservice.api.storage.SignalGroupV1Record;
import org.whispersystems.signalservice.api.storage.SignalGroupV2Record;
import org.whispersystems.signalservice.api.storage.SignalRecord;
import org.whispersystems.signalservice.api.storage.SignalStorageRecord;
import org.whispersystems.signalservice.api.storage.StorageId;
import org.whispersystems.signalservice.api.util.UuidUtil;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import static junit.framework.TestCase.assertTrue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.mockito.Mockito.when;
import static org.powermock.api.mockito.PowerMockito.mock;
import static org.powermock.api.mockito.PowerMockito.mockStatic;
import static org.thoughtcrime.securesms.testutil.TestHelpers.assertByteListEquals;
import static org.thoughtcrime.securesms.testutil.TestHelpers.assertContentsEqual;
import static org.thoughtcrime.securesms.testutil.TestHelpers.byteArray;
import static org.thoughtcrime.securesms.testutil.TestHelpers.byteListOf;
import static org.thoughtcrime.securesms.testutil.TestHelpers.setOf;
@RunWith(PowerMockRunner.class)
@PrepareForTest({ Recipient.class, FeatureFlags.class})
public final class StorageSyncHelperTest {
private static final UUID UUID_A = UuidUtil.parseOrThrow("ebef429e-695e-4f51-bcc4-526a60ac68c7");
private static final UUID UUID_B = UuidUtil.parseOrThrow("32119989-77fb-4e18-af70-81d55185c6b1");
private static final UUID UUID_C = UuidUtil.parseOrThrow("b5552203-2bca-44aa-b6f5-9f5d87a335b6");
private static final UUID UUID_D = UuidUtil.parseOrThrow("94829a32-7199-4a7b-8fb4-7e978509ab84");
private static final UUID UUID_SELF = UuidUtil.parseOrThrow("1b2a2ca5-fc9e-4656-8c9f-22cc349ed3af");
private static final String E164_A = "+16108675309";
private static final String E164_B = "+16101234567";
private static final String E164_C = "+16101112222";
private static final String E164_D = "+16103334444";
private static final String E164_SELF = "+16105555555";
private static final int UNKNOWN_TYPE = Integer.MAX_VALUE;
private static final Recipient SELF = mock(Recipient.class);
static {
when(SELF.getUuid()).thenReturn(Optional.of(UUID_SELF));
when(SELF.getE164()).thenReturn(Optional.of(E164_SELF));
when(SELF.resolve()).thenReturn(SELF);
}
@Before
public void setup() {
mockStatic(Recipient.class);
when(Recipient.self()).thenReturn(SELF);
Log.initialize(new Log.Logger[0]);
mockStatic(FeatureFlags.class);
}
@Test
public void findKeyDifference_allOverlap() {
KeyDifferenceResult result = StorageSyncHelper.findKeyDifference(keyListOf(1, 2, 3), keyListOf(1, 2, 3));
assertTrue(result.getLocalOnlyKeys().isEmpty());
assertTrue(result.getRemoteOnlyKeys().isEmpty());
assertFalse(result.hasTypeMismatches());
}
@Test
public void findKeyDifference_noOverlap() {
KeyDifferenceResult result = StorageSyncHelper.findKeyDifference(keyListOf(1, 2, 3), keyListOf(4, 5, 6));
assertContentsEqual(keyListOf(1, 2, 3), result.getRemoteOnlyKeys());
assertContentsEqual(keyListOf(4, 5, 6), result.getLocalOnlyKeys());
assertFalse(result.hasTypeMismatches());
}
@Test
public void findKeyDifference_someOverlap() {
KeyDifferenceResult result = StorageSyncHelper.findKeyDifference(keyListOf(1, 2, 3), keyListOf(2, 3, 4));
assertContentsEqual(keyListOf(1), result.getRemoteOnlyKeys());
assertContentsEqual(keyListOf(4), result.getLocalOnlyKeys());
assertFalse(result.hasTypeMismatches());
}
@Test
public void findKeyDifference_typeMismatch_allOverlap() {
KeyDifferenceResult result = StorageSyncHelper.findKeyDifference(keyListOf(new HashMap<Integer, Integer>() {{
put(100, 1);
put(200, 2);
}}),
keyListOf(new HashMap<Integer, Integer>() {{
put(100, 1);
put(200, 1);
}}));
assertTrue(result.getLocalOnlyKeys().isEmpty());
assertTrue(result.getRemoteOnlyKeys().isEmpty());
assertTrue(result.hasTypeMismatches());
}
@Test
public void findKeyDifference_typeMismatch_someOverlap() {
KeyDifferenceResult result = StorageSyncHelper.findKeyDifference(keyListOf(new HashMap<Integer, Integer>() {{
put(100, 1);
put(200, 2);
put(300, 1);
}}),
keyListOf(new HashMap<Integer, Integer>() {{
put(100, 1);
put(200, 1);
put(400, 1);
}}));
assertContentsEqual(Arrays.asList(StorageId.forType(byteArray(300), 1)), result.getRemoteOnlyKeys());
assertContentsEqual(Arrays.asList(StorageId.forType(byteArray(400), 1)), result.getLocalOnlyKeys());
assertTrue(result.hasTypeMismatches());
}
@Test
public void resolveConflict_noOverlap() {
SignalContactRecord remote1 = contact(1, UUID_A, E164_A, "a");
SignalContactRecord local1 = contact(2, UUID_B, E164_B, "b");
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
assertEquals(setOf(remote1), result.getLocalContactInserts());
assertTrue(result.getLocalContactUpdates().isEmpty());
assertEquals(setOf(SignalStorageRecord.forContact(local1)), result.getRemoteInserts());
assertTrue(result.getRemoteUpdates().isEmpty());
assertTrue(result.getRemoteDeletes().isEmpty());
}
@Test
public void resolveConflict_contact_deleteSelfContact() {
SignalContactRecord remote1 = contact(1, UUID_SELF, E164_SELF, "self");
SignalContactRecord local1 = contact(2, UUID_A, E164_A, "a");
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
assertTrue(result.getLocalContactInserts().isEmpty());
assertTrue(result.getLocalContactUpdates().isEmpty());
assertEquals(setOf(record(local1)), result.getRemoteInserts());
assertTrue(result.getRemoteUpdates().isEmpty());
assertEquals(setOf(remote1), result.getRemoteDeletes());
}
@Test
public void resolveConflict_contact_deleteBadGv1() {
SignalGroupV1Record remote1 = badGroupV1(1, 1, true, false);
SignalGroupV1Record local1 = groupV1(2, 1, true, true);
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
assertTrue(result.getLocalContactInserts().isEmpty());
assertTrue(result.getLocalContactUpdates().isEmpty());
assertEquals(setOf(record(local1)), result.getRemoteInserts());
assertTrue(result.getRemoteUpdates().isEmpty());
assertEquals(setOf(remote1), result.getRemoteDeletes());
}
@Test
public void resolveConflict_contact_deleteBadGv2() {
SignalGroupV2Record remote1 = badGroupV2(1, 2, true, false);
SignalGroupV2Record local1 = groupV2(2, 2, true, false);
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
assertTrue(result.getLocalContactInserts().isEmpty());
assertTrue(result.getLocalContactUpdates().isEmpty());
assertEquals(setOf(record(local1)), result.getRemoteInserts());
assertTrue(result.getRemoteUpdates().isEmpty());
assertEquals(setOf(remote1), result.getRemoteDeletes());
}
@Test
public void resolveConflict_contact_sameAsRemote() {
SignalContactRecord remote1 = contact(1, UUID_A, E164_A, "a");
SignalContactRecord local1 = contact(2, UUID_A, E164_A, "a");
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
SignalContactRecord expectedMerge = contact(1, UUID_A, E164_A, "a");
assertTrue(result.getLocalContactInserts().isEmpty());
assertEquals(setOf(update(local1, expectedMerge)), result.getLocalContactUpdates());
assertTrue(result.getRemoteInserts().isEmpty());
assertTrue(result.getRemoteUpdates().isEmpty());
assertTrue(result.getRemoteDeletes().isEmpty());
}
@Test
public void resolveConflict_group_v1_sameAsRemote() {
SignalGroupV1Record remote1 = groupV1(1, 1, true, false);
SignalGroupV1Record local1 = groupV1(2, 1, true, false);
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
SignalGroupV1Record expectedMerge = groupV1(1, 1, true, false);
assertTrue(result.getLocalContactInserts().isEmpty());
assertEquals(setOf(update(local1, expectedMerge)), result.getLocalGroupV1Updates());
assertTrue(result.getRemoteInserts().isEmpty());
assertTrue(result.getRemoteUpdates().isEmpty());
assertTrue(result.getRemoteDeletes().isEmpty());
}
@Test
public void resolveConflict_group_v2_sameAsRemote() {
SignalGroupV2Record remote1 = groupV2(1, 2, true, false);
SignalGroupV2Record local1 = groupV2(2, 2, true, false);
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
SignalGroupV2Record expectedMerge = groupV2(1, 2, true, false);
assertTrue(result.getLocalContactInserts().isEmpty());
assertEquals(setOf(update(local1, expectedMerge)), result.getLocalGroupV2Updates());
assertTrue(result.getRemoteInserts().isEmpty());
assertTrue(result.getRemoteUpdates().isEmpty());
assertTrue(result.getRemoteDeletes().isEmpty());
}
@Test
public void resolveConflict_contact_sameAsLocal() {
SignalContactRecord remote1 = contact(1, UUID_A, E164_A, null);
SignalContactRecord local1 = contact(2, UUID_A, E164_A, "a");
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
SignalContactRecord expectedMerge = contact(2, UUID_A, E164_A, "a");
assertTrue(result.getLocalContactInserts().isEmpty());
assertTrue(result.getLocalContactUpdates().isEmpty());
assertTrue(result.getRemoteInserts().isEmpty());
assertEquals(setOf(recordUpdate(remote1, expectedMerge)), result.getRemoteUpdates());
assertTrue(result.getRemoteDeletes().isEmpty());
}
@Test
public void resolveConflict_group_v1_sameAsLocal() {
SignalGroupV1Record remote1 = groupV1(1, 1, true, false);
SignalGroupV1Record local1 = groupV1(2, 1, true, true);
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
SignalGroupV1Record expectedMerge = groupV1(2, 1, true, true);
assertTrue(result.getLocalContactInserts().isEmpty());
assertTrue(result.getLocalGroupV1Updates().isEmpty());
assertTrue(result.getRemoteInserts().isEmpty());
assertEquals(setOf(recordUpdate(remote1, expectedMerge)), result.getRemoteUpdates());
assertTrue(result.getRemoteDeletes().isEmpty());
}
@Test
public void resolveConflict_group_v2_sameAsLocal() {
SignalGroupV2Record remote1 = groupV2(1, 2, true, false);
SignalGroupV2Record local1 = groupV2(2, 2, true, true);
MergeResult result = StorageSyncHelper.resolveConflict(recordSetOf(remote1), recordSetOf(local1));
SignalGroupV2Record expectedMerge = groupV2(2, 2, true, true);
assertTrue(result.getLocalContactInserts().isEmpty());
assertTrue(result.getLocalGroupV2Updates().isEmpty());
assertTrue(result.getRemoteInserts().isEmpty());
assertEquals(setOf(recordUpdate(remote1, expectedMerge)), result.getRemoteUpdates());
assertTrue(result.getRemoteDeletes().isEmpty());
}
@Test
public void resolveConflict_unknowns() {
SignalStorageRecord account = SignalStorageRecord.forAccount(account(99));
SignalStorageRecord remote1 = unknown(3);
SignalStorageRecord remote2 = unknown(4);
SignalStorageRecord local1 = unknown(1);
SignalStorageRecord local2 = unknown(2);
MergeResult result = StorageSyncHelper.resolveConflict(setOf(remote1, remote2, account), setOf(local1, local2, account));
assertTrue(result.getLocalContactInserts().isEmpty());
assertTrue(result.getLocalContactUpdates().isEmpty());
assertEquals(setOf(remote1, remote2), result.getLocalUnknownInserts());
assertEquals(setOf(local1, local2), result.getLocalUnknownDeletes());
assertTrue(result.getRemoteDeletes().isEmpty());
}
@Test
public void resolveConflict_complex() {
SignalContactRecord remote1 = contact(1, UUID_A, null, "a");
SignalContactRecord local1 = contact(2, UUID_A, E164_A, "a");
SignalContactRecord remote2 = contact(3, UUID_B, E164_B, null);
SignalContactRecord local2 = contact(4, UUID_B, null, "b");
SignalContactRecord remote3 = contact(5, UUID_C, E164_C, "c");
SignalContactRecord local3 = contact(6, UUID_D, E164_D, "d");
SignalGroupV1Record remote4 = groupV1(7, 1, true, false);
SignalGroupV1Record local4 = groupV1(8, 1, false, true);
SignalGroupV2Record remote5 = groupV2(9, 2, true, false);
SignalGroupV2Record local5 = groupV2(10, 2, false, true);
SignalAccountRecord remote6 = account(11);
SignalAccountRecord local6 = account(12);
SignalStorageRecord unknownRemote = unknown(13);
SignalStorageRecord unknownLocal = unknown(14);
StorageSyncHelper.setTestKeyGenerator(new TestGenerator(111, 222, 333));
Set<SignalStorageRecord> remoteOnly = recordSetOf(remote1, remote2, remote3, remote4, remote5, remote6, unknownRemote);
Set<SignalStorageRecord> localOnly = recordSetOf(local1, local2, local3, local4, local5, local6, unknownLocal);
MergeResult result = StorageSyncHelper.resolveConflict(remoteOnly, localOnly);
SignalContactRecord merge1 = contact(2, UUID_A, E164_A, "a");
SignalContactRecord merge2 = contact(111, UUID_B, E164_B, "b");
SignalGroupV1Record merge4 = groupV1(222, 1, true, true);
SignalGroupV2Record merge5 = groupV2(333, 2, true, true);
assertEquals(setOf(remote3), result.getLocalContactInserts());
assertEquals(setOf(update(local2, merge2)), result.getLocalContactUpdates());
assertEquals(setOf(update(local4, merge4)), result.getLocalGroupV1Updates());
assertEquals(setOf(update(local5, merge5)), result.getLocalGroupV2Updates());
assertEquals(setOf(SignalStorageRecord.forContact(local3)), result.getRemoteInserts());
assertEquals(setOf(recordUpdate(remote1, merge1), recordUpdate(remote2, merge2), recordUpdate(remote4, merge4), recordUpdate(remote5, merge5)), result.getRemoteUpdates());
assertEquals(Optional.of(update(local6, remote6)), result.getLocalAccountUpdate());
assertEquals(setOf(unknownRemote), result.getLocalUnknownInserts());
assertEquals(setOf(unknownLocal), result.getLocalUnknownDeletes());
assertTrue(result.getRemoteDeletes().isEmpty());
}
@Test
public void createWriteOperation_generic() {
List<StorageId> localKeys = Arrays.asList(contactKey(1), contactKey(2), contactKey(3), contactKey(4), groupV1Key(100), groupV2Key(200));
SignalContactRecord insert1 = contact(6, UUID_A, E164_A, "a");
SignalContactRecord old1 = contact(1, UUID_B, E164_B, "b");
SignalContactRecord new1 = contact(5, UUID_B, E164_B, "z");
SignalContactRecord insert2 = contact(7, UUID_C, E164_C, "c");
SignalContactRecord old2 = contact(2, UUID_D, E164_D, "d");
SignalContactRecord new2 = contact(8, UUID_D, E164_D, "z2");
SignalGroupV1Record insert3 = groupV1(9, 1, true, true);
SignalGroupV1Record old3 = groupV1(100, 1, true, true);
SignalGroupV1Record new3 = groupV1(10, 1, false, true);
SignalGroupV2Record insert4 = groupV2(19, 2, true, true);
SignalGroupV2Record old4 = groupV2(200, 2, true, true);
SignalGroupV2Record new4 = groupV2(20, 2, false, true);
SignalStorageRecord unknownInsert = unknown(11);
SignalStorageRecord unknownDelete = unknown(12);
StorageSyncHelper.WriteOperationResult result = StorageSyncHelper.createWriteOperation(1,
localKeys,
new MergeResult(setOf(insert2),
setOf(update(old2, new2)),
setOf(insert3),
setOf(update(old3, new3)),
setOf(insert4),
setOf(update(old4, new4)),
setOf(unknownInsert),
setOf(unknownDelete),
Optional.absent(),
recordSetOf(insert1, insert3, insert4),
setOf(recordUpdate(old1, new1), recordUpdate(old3, new3), recordUpdate(old4, new4)),
setOf()));
assertEquals(2, result.getManifest().getVersion());
assertContentsEqual(Arrays.asList(contactKey(3), contactKey(4), contactKey(5), contactKey(6), contactKey(7), contactKey(8), groupV1Key(9), groupV1Key(10), groupV2Key(19), groupV2Key(20), unknownKey(11)), result.getManifest().getStorageIds());
assertEquals(recordSetOf(insert1, new1, insert3, new3, insert4, new4), new HashSet<>(result.getInserts()));
assertByteListEquals(byteListOf(1, 100, 200), result.getDeletes());
}
@Test
public void ContactUpdate_equals_sameProfileKeys() {
byte[] profileKey = new byte[32];
byte[] profileKeyCopy = profileKey.clone();
SignalContactRecord a = contactBuilder(1, UUID_A, E164_A, "a").setProfileKey(profileKey).build();
SignalContactRecord b = contactBuilder(1, UUID_A, E164_A, "a").setProfileKey(profileKeyCopy).build();
assertEquals(a, b);
assertEquals(a.hashCode(), b.hashCode());
assertFalse(StorageSyncHelper.profileKeyChanged(update(a, b)));
}
@Test
public void ContactUpdate_equals_differentProfileKeys() {
byte[] profileKey = new byte[32];
byte[] profileKeyCopy = profileKey.clone();
profileKeyCopy[0] = 1;
SignalContactRecord a = contactBuilder(1, UUID_A, E164_A, "a").setProfileKey(profileKey).build();
SignalContactRecord b = contactBuilder(1, UUID_A, E164_A, "a").setProfileKey(profileKeyCopy).build();
assertNotEquals(a, b);
assertNotEquals(a.hashCode(), b.hashCode());
assertTrue(StorageSyncHelper.profileKeyChanged(update(a, b)));
}
private static Set<SignalStorageRecord> recordSetOf(SignalRecord... records) {
LinkedHashSet<SignalStorageRecord> storageRecords = new LinkedHashSet<>();
for (SignalRecord record : records) {
storageRecords.add(record(record));
}
return storageRecords;
}
private static SignalStorageRecord record(SignalRecord record) {
if (record instanceof SignalContactRecord) {
return SignalStorageRecord.forContact(record.getId(), (SignalContactRecord) record);
} else if (record instanceof SignalGroupV1Record) {
return SignalStorageRecord.forGroupV1(record.getId(), (SignalGroupV1Record) record);
} else if (record instanceof SignalGroupV2Record) {
return SignalStorageRecord.forGroupV2(record.getId(), (SignalGroupV2Record) record);
} else if (record instanceof SignalAccountRecord) {
return SignalStorageRecord.forAccount(record.getId(), (SignalAccountRecord) record);
} else {
return SignalStorageRecord.forUnknown(record.getId());
}
}
private static Set<SignalStorageRecord> recordSetOf(SignalGroupV1Record... groupRecords) {
LinkedHashSet<SignalStorageRecord> storageRecords = new LinkedHashSet<>();
for (SignalGroupV1Record contactRecord : groupRecords) {
storageRecords.add(SignalStorageRecord.forGroupV1(contactRecord.getId(), contactRecord));
}
return storageRecords;
}
private static SignalContactRecord.Builder contactBuilder(int key,
UUID uuid,
String e164,
String profileName)
{
return new SignalContactRecord.Builder(byteArray(key), new SignalServiceAddress(uuid, e164))
.setGivenName(profileName);
}
private static SignalAccountRecord account(int key) {
return new SignalAccountRecord.Builder(byteArray(key)).build();
}
private static SignalContactRecord contact(int key,
UUID uuid,
String e164,
String profileName)
{
return contactBuilder(key, uuid, e164, profileName).build();
}
private static SignalGroupV1Record groupV1(int key,
int groupId,
boolean blocked,
boolean profileSharing)
{
return new SignalGroupV1Record.Builder(byteArray(key), byteArray(groupId, 16)).setBlocked(blocked).setProfileSharingEnabled(profileSharing).build();
}
private static SignalGroupV1Record badGroupV1(int key,
int groupId,
boolean blocked,
boolean profileSharing)
{
return new SignalGroupV1Record.Builder(byteArray(key), byteArray(groupId, 42)).setBlocked(blocked).setProfileSharingEnabled(profileSharing).build();
}
private static SignalGroupV2Record groupV2(int key,
int groupId,
boolean blocked,
boolean profileSharing)
{
return new SignalGroupV2Record.Builder(byteArray(key), byteArray(groupId, 32)).setBlocked(blocked).setProfileSharingEnabled(profileSharing).build();
}
private static SignalGroupV2Record badGroupV2(int key,
int groupId,
boolean blocked,
boolean profileSharing)
{
return new SignalGroupV2Record.Builder(byteArray(key), byteArray(groupId, 42)).setBlocked(blocked).setProfileSharingEnabled(profileSharing).build();
}
private static <E extends SignalRecord> StorageSyncHelper.RecordUpdate<E> update(E oldRecord, E newRecord) {
return new StorageSyncHelper.RecordUpdate<>(oldRecord, newRecord);
}
private static <E extends SignalRecord> StorageSyncHelper.RecordUpdate<SignalStorageRecord> recordUpdate(E oldContact, E newContact) {
return new StorageSyncHelper.RecordUpdate<>(record(oldContact), record(newContact));
}
private static SignalStorageRecord unknown(int key) {
return SignalStorageRecord.forUnknown(StorageId.forType(byteArray(key), UNKNOWN_TYPE));
}
private static List<StorageId> keyListOf(int... vals) {
return Stream.of(byteListOf(vals)).map(b -> StorageId.forType(b, 1)).toList();
}
private static List<StorageId> keyListOf(Map<Integer, Integer> vals) {
return Stream.of(vals).map(e -> StorageId.forType(byteArray(e.getKey()), e.getValue())).toList();
}
private static StorageId contactKey(int val) {
return StorageId.forContact(byteArray(val));
}
private static StorageId groupV1Key(int val) {
return StorageId.forGroupV1(byteArray(val));
}
private static StorageId groupV2Key(int val) {
return StorageId.forGroupV2(byteArray(val));
}
private static StorageId unknownKey(int val) {
return StorageId.forType(byteArray(val), UNKNOWN_TYPE);
}
private static class TestGenerator implements StorageSyncHelper.KeyGenerator {
private final int[] keys;
private int index = 0;
private TestGenerator(int... keys) {
this.keys = keys;
}
@Override
public @NonNull byte[] generate() {
return byteArray(keys[index++]);
}
}
}