Examples with Collections java.util.Collections used on opensource projects

Example 96 with Collections

use of java.util.Collections in project Resurrection_packages_apps_Settings by ResurrectionRemix.

the class PreferenceListTest method testConnectedLegacyVpnShownExactlyOnce.

@SmallTest
public void testConnectedLegacyVpnShownExactlyOnce() {
    final VpnProfile vpnProfile = new VpnProfile("test-no-duplicates");
    final LegacyVpnInfo connectedLegacyVpn = new LegacyVpnInfo();
    connectedLegacyVpn.key = new String(vpnProfile.key);
    final VpnSettings.UpdatePreferences updater = new VpnSettings.UpdatePreferences(mSettings);
    updater.legacyVpns(/* vpnProfiles */
    Collections.<VpnProfile>singletonList(vpnProfile), /* connectedLegacyVpns */
    new HashMap<String, LegacyVpnInfo>() {

        {
            put(connectedLegacyVpn.key, connectedLegacyVpn);
        }
    }, /* lockdownVpnKey */
    null);
    updater.run();
    final ArgumentMatcher<VpnProfile> equalsFake = arg -> {
        if (arg == vpnProfile)
            return true;
        if (arg == null)
            return false;
        return TextUtils.equals(arg.key, vpnProfile.key);
    };
    // The VPN profile should have been used to create a preference and set up at laest once
    // with update=true to fill in all the fields.
    verify(mSettings, atLeast(1)).findOrCreatePreference(argThat(equalsFake), eq(true));
    // ...But no other VPN profile key should ever have been passed in.
    verify(mSettings, never()).findOrCreatePreference(not(argThat(equalsFake)), anyBoolean());
    // And so we should still have exactly 1 preference created.
    assertEquals(1, mLegacyMocks.size());
    assertEquals(0, mAppMocks.size());
}

Example 97 with Collections

use of java.util.Collections in project alluxio by Alluxio.

the class UfsJournalCheckpointThreadTest method checkpointBeforeShutdown.

/**
 * The checkpoint thread replays all the logs and checkpoints periodically if not shutdown.
 */
@Test
public void checkpointBeforeShutdown() throws Exception {
    ServerConfiguration.set(PropertyKey.MASTER_JOURNAL_CHECKPOINT_PERIOD_ENTRIES, "2");
    buildCompletedLog(0, 10);
    buildIncompleteLog(10, 15);
    MockMaster mockMaster = new MockMaster();
    UfsJournalCheckpointThread checkpointThread = new UfsJournalCheckpointThread(mockMaster, mJournal, Collections::emptySet);
    checkpointThread.start();
    CommonUtils.waitFor("checkpoint", () -> {
        try {
            UfsJournalSnapshot snapshot = UfsJournalSnapshot.getSnapshot(mJournal);
            if (!snapshot.getCheckpoints().isEmpty() && snapshot.getCheckpoints().get(snapshot.getCheckpoints().size() - 1).getEnd() == 10) {
                return true;
            }
        } catch (IOException e) {
            return false;
        }
        return false;
    }, WaitForOptions.defaults().setTimeoutMs(20000));
    Assert.assertEquals(UfsJournalCheckpointThread.CatchupState.DONE, checkpointThread.getCatchupState());
    UfsJournalSnapshot snapshot = UfsJournalSnapshot.getSnapshot(mJournal);
    Assert.assertEquals(1, snapshot.getCheckpoints().size());
    Assert.assertEquals(10, snapshot.getCheckpoints().get(0).getEnd());
    checkpointThread.awaitTermination(true);
}

Example 98 with Collections

use of java.util.Collections in project alluxio by Alluxio.

the class UfsJournalTest method gainPrimacyAfterSuspend.

@Test
public void gainPrimacyAfterSuspend() throws Exception {
    mJournal.start();
    mJournal.gainPrimacy();
    // Create a counting master implementation that counts how many journal entries it processed.
    CountingNoopMaster countingMaster = new CountingNoopMaster();
    // Find journal base path for standby journal to consume the same journal files.
    String parentPath = new File(mJournal.getLocation().getPath()).getParent();
    UfsJournal standbyJournal = new UfsJournal(new URI(parentPath), countingMaster, 0, Collections::emptySet);
    standbyJournal.start();
    // Suspend standby journal
    standbyJournal.suspend();
    // Write entries
    int entryCount = 10;
    for (int i = 0; i < entryCount; i++) {
        mJournal.write(Journal.JournalEntry.getDefaultInstance());
    }
    mJournal.flush();
    // Validate standby didn't apply any entries yet.
    Assert.assertEquals(0, countingMaster.getApplyCount());
    // Gain primacy.
    standbyJournal.gainPrimacy();
    CommonUtils.waitFor("catching up to current state", () -> countingMaster.getApplyCount() == entryCount);
    // Resume should fail after becoming primary.
    mThrown.expect(IllegalStateException.class);
    standbyJournal.resume();
}

Example 99 with Collections

use of java.util.Collections in project alluxio by Alluxio.

the class UfsJournalTest method gainPrimacyDuringCatchup.

@Test
public void gainPrimacyDuringCatchup() throws Exception {
    mJournal.start();
    mJournal.gainPrimacy();
    // Create a counting master implementation that counts how many journal entries it processed.
    CountingNoopMaster countingMaster = new SleepingCountingMaster(50);
    // Find journal base path for standby journal to consume the same journal files.
    String parentPath = new File(mJournal.getLocation().getPath()).getParent();
    UfsJournal standbyJournal = new UfsJournal(new URI(parentPath), countingMaster, 0, Collections::emptySet);
    standbyJournal.start();
    // Suspend standby journal.
    standbyJournal.suspend();
    // Write many entries to guarantee that advancing will be in progress
    // when gainPrimacy() is called.
    int entryCount = 10;
    for (int i = 0; i < entryCount; i++) {
        mJournal.write(Journal.JournalEntry.getDefaultInstance());
    }
    mJournal.flush();
    // Validate standby didn't apply any entries yet.
    Assert.assertEquals(0, countingMaster.getApplyCount());
    // Initiate catching up.
    standbyJournal.catchup(entryCount - 2);
    // Gain primacy.
    standbyJournal.gainPrimacy();
    CommonUtils.waitFor("catching up to current state", () -> countingMaster.getApplyCount() == entryCount);
}

Example 100 with Collections

use of java.util.Collections in project alluxio by Alluxio.

the class UfsJournalTest method gainPrimacyAfterCatchup.

@Test
public void gainPrimacyAfterCatchup() throws Exception {
    mJournal.start();
    mJournal.gainPrimacy();
    // Create a counting master implementation that counts how many journal entries it processed.
    CountingNoopMaster countingMaster = new CountingNoopMaster();
    // Find journal base path for standby journal to consume the same journal files.
    String parentPath = new File(mJournal.getLocation().getPath()).getParent();
    UfsJournal standbyJournal = new UfsJournal(new URI(parentPath), countingMaster, 0, Collections::emptySet);
    standbyJournal.start();
    // Suspend standby journal.
    standbyJournal.suspend();
    // Write many entries to guarantee that advancing will be in progress
    // when gainPrimacy() is called.
    int entryCount = 10;
    for (int i = 0; i < entryCount; i++) {
        mJournal.write(Journal.JournalEntry.getDefaultInstance());
    }
    mJournal.flush();
    // Validate standby didn't apply any entries yet.
    Assert.assertEquals(0, countingMaster.getApplyCount());
    // Initiate and wait for catching up.
    standbyJournal.catchup(entryCount - 2).waitTermination();
    Assert.assertEquals(entryCount - 1, countingMaster.getApplyCount());
    // Gain primacy.
    standbyJournal.gainPrimacy();
    CommonUtils.waitFor("catching up to current state", () -> countingMaster.getApplyCount() == entryCount);
}