Examples with EphemeralFileSystemAbstraction org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction used on opensource projects

Example 26 with EphemeralFileSystemAbstraction

use of org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction in project neo4j by neo4j.

the class InternalFlatFileRealmIT method setup.

@Before
public void setup() throws Throwable {
    fs = new EvilFileSystem(new EphemeralFileSystemAbstraction());
    userStoreFile = new File("dbms", "auth");
    roleStoreFile = new File("dbms", "roles");
    final UserRepository userRepository = new FileUserRepository(fs, userStoreFile, logProvider);
    final RoleRepository roleRepository = new FileRoleRepository(fs, roleStoreFile, logProvider);
    final UserRepository initialUserRepository = CommunitySecurityModule.getInitialUserRepository(Config.defaults(), logProvider, fs);
    final UserRepository defaultAdminRepository = EnterpriseSecurityModule.getDefaultAdminRepository(Config.defaults(), logProvider, fs);
    final PasswordPolicy passwordPolicy = new BasicPasswordPolicy();
    AuthenticationStrategy authenticationStrategy = new RateLimitedAuthenticationStrategy(Clocks.systemClock(), 3);
    realm = new InternalFlatFileRealm(userRepository, roleRepository, passwordPolicy, authenticationStrategy, true, true, jobScheduler, initialUserRepository, defaultAdminRepository);
    realm.init();
    realm.start();
}

Example 27 with EphemeralFileSystemAbstraction

use of org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction in project neo4j by neo4j.

the class AuthProceduresIT method setup.

@Before
public void setup() throws InvalidAuthTokenException, IOException {
    fs = new EphemeralFileSystemAbstraction();
    db = (GraphDatabaseAPI) createGraphDatabase(fs);
    authManager = db.getDependencyResolver().resolveDependency(BasicAuthManager.class);
    admin = login("neo4j", "neo4j");
}

Example 28 with EphemeralFileSystemAbstraction

use of org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction in project neo4j by neo4j.

the class SegmentedRaftLogCursorIT method createRaftLog.

private SegmentedRaftLog createRaftLog(long rotateAtSize, String pruneStrategy) {
    if (fileSystem == null) {
        fileSystem = new EphemeralFileSystemAbstraction();
    }
    File directory = new File(RAFT_LOG_DIRECTORY_NAME);
    fileSystem.mkdir(directory);
    LogProvider logProvider = getInstance();
    CoreLogPruningStrategy pruningStrategy = new CoreLogPruningStrategyFactory(pruneStrategy, logProvider).newInstance();
    SegmentedRaftLog newRaftLog = new SegmentedRaftLog(fileSystem, directory, rotateAtSize, new DummyRaftableContentSerializer(), logProvider, 8, Clocks.systemClock(), new OnDemandJobScheduler(), pruningStrategy);
    life.add(newRaftLog);
    life.init();
    life.start();
    return newRaftLog;
}

Example 29 with EphemeralFileSystemAbstraction

use of org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction in project neo4j by neo4j.

the class SegmentedRaftLogRotationTruncationPruneTest method createRaftLog.

private RaftLog createRaftLog() throws Exception {
    File directory = new File(RAFT_LOG_DIRECTORY_NAME);
    FileSystemAbstraction fileSystem = new EphemeralFileSystemAbstraction();
    fileSystem.mkdir(directory);
    LogProvider logProvider = getInstance();
    CoreLogPruningStrategy pruningStrategy = new CoreLogPruningStrategyFactory("1 entries", logProvider).newInstance();
    SegmentedRaftLog newRaftLog = new SegmentedRaftLog(fileSystem, directory, 1, new DummyRaftableContentSerializer(), logProvider, 8, Clocks.fakeClock(), new OnDemandJobScheduler(), pruningStrategy);
    newRaftLog.start();
    return newRaftLog;
}

Example 30 with EphemeralFileSystemAbstraction

use of org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction in project neo4j by neo4j.

the class DurableStateStorageIT method shouldProperlyRecoveryAfterCrashOnFileForceDuringWrite.

@Test
public void shouldProperlyRecoveryAfterCrashOnFileForceDuringWrite() throws Exception {
    EphemeralFileSystemAbstraction normalFSA = fileSystemRule.get();
    /*
         * Magic number warning. For a rotation threshold of 14, 990 operations on file A falls on a force() of the
         * current active file. This has been discovered via experimentation. The end result is that there is a
         * flush (but not write) a value. This should be recoverable. Interestingly, the failure semantics are a bit
         * unclear on what should happen to that value. We assume that exception during persistence requires recovery
         * to discover if the last argument made it to disk or not. Since we use an EFSA, force is not necessary and
         * the value that caused the failure is actually "persisted" and recovered.
         */
    AdversarialFileSystemAbstraction breakingFSA = new AdversarialFileSystemAbstraction(new MethodGuardedAdversary(new CountingAdversary(40, true), StoreChannel.class.getMethod("force", boolean.class)), normalFSA);
    SelectiveFileSystemAbstraction combinedFSA = new SelectiveFileSystemAbstraction(new File(new File(testDir.directory(), "long-state"), "long.a"), breakingFSA, normalFSA);
    long lastValue = 0;
    try (LongState persistedState = new LongState(combinedFSA, testDir.directory(), 14)) {
        while (// it will break from the Exception that AFS will throw
        true) {
            long tempValue = lastValue + 1;
            persistedState.setTheState(tempValue);
            lastValue = tempValue;
        }
    } catch (Exception expected) {
        // this stack trace should contain force()
        ensureStackTraceContainsExpectedMethod(expected.getStackTrace(), "force");
    }
    try (LongState restoredState = new LongState(normalFSA, testDir.directory(), 14)) {
        assertThat(restoredState.getTheState(), greaterThanOrEqualTo(lastValue));
    }
}