Examples with TransactionCompletedEvent arez.spy.TransactionCompletedEvent used on opensource projects

Example 1 with TransactionCompletedEvent

use of arez.spy.TransactionCompletedEvent in project arez by arez.

the class TransactionTest method commitTransaction_generates_spyEvent.

@SuppressWarnings("ConstantConditions")
@Test
public void commitTransaction_generates_spyEvent() throws Exception {
    final ArezContext context = Arez.context();
    final TestSpyEventHandler handler = new TestSpyEventHandler();
    context.getSpy().addSpyEventHandler(handler);
    final String name = ValueUtil.randomString();
    final Transaction transaction = new Transaction(context, null, name, TransactionMode.READ_ONLY, null);
    transaction.begin();
    Transaction.setTransaction(transaction);
    Transaction.commit(transaction);
    handler.assertEventCount(1);
    final TransactionCompletedEvent event = handler.assertEvent(TransactionCompletedEvent.class, 0);
    assertEquals(event.getName(), name);
    assertEquals(event.isMutation(), false);
    assertEquals(event.getTracker(), null);
    assertTrue(event.getDuration() >= 0);
}

Example 2 with TransactionCompletedEvent

use of arez.spy.TransactionCompletedEvent in project arez by arez.

the class ArezContextTest method action_safeFunction_throws_Exception.

@Test
public void action_safeFunction_throws_Exception() throws Exception {
    final ArezContext context = new ArezContext();
    assertFalse(context.isTransactionActive());
    assertThrowsWithMessage(context::getTransaction, "Arez-0117: Attempting to get current transaction but no transaction is active.");
    final AccessControlException secException = new AccessControlException("");
    final String name = ValueUtil.randomString();
    final String param1 = "";
    final Object param2 = null;
    final int param3 = 3;
    final TestSpyEventHandler handler = new TestSpyEventHandler();
    context.getSpy().addSpyEventHandler(handler);
    final boolean mutation = false;
    assertThrows(AccessControlException.class, () -> context.safeAction(name, mutation, () -> {
        throw secException;
    }, param1, param2, param3));
    assertFalse(context.isTransactionActive());
    handler.assertEventCount(4);
    {
        final ActionStartedEvent e = handler.assertEvent(ActionStartedEvent.class, 0);
        assertEquals(e.getName(), name);
        assertEquals(e.isTracked(), false);
        final Object[] parameters = e.getParameters();
        assertEquals(parameters.length, 3);
        assertEquals(parameters[0], param1);
        assertEquals(parameters[1], param2);
        assertEquals(parameters[2], param3);
    }
    {
        final TransactionStartedEvent e = handler.assertEvent(TransactionStartedEvent.class, 1);
        assertEquals(e.getName(), name);
        assertEquals(e.isMutation(), mutation);
        assertEquals(e.getTracker(), null);
    }
    {
        final TransactionCompletedEvent e = handler.assertEvent(TransactionCompletedEvent.class, 2);
        assertEquals(e.getName(), name);
        assertEquals(e.isMutation(), mutation);
        assertEquals(e.getTracker(), null);
    }
    {
        final ActionCompletedEvent e = handler.assertEvent(ActionCompletedEvent.class, 3);
        assertEquals(e.getName(), name);
        assertEquals(e.getThrowable(), secException);
        assertEquals(e.returnsResult(), true);
        assertEquals(e.getResult(), null);
        assertEquals(e.isTracked(), false);
        final Object[] parameters = e.getParameters();
        assertEquals(parameters.length, 3);
        assertEquals(parameters[0], param1);
        assertEquals(parameters[1], param2);
        assertEquals(parameters[2], param3);
    }
}

Example 3 with TransactionCompletedEvent

use of arez.spy.TransactionCompletedEvent in project arez by arez.

the class ArezContextTest method action_safeProcedure_throws_Exception.

@Test
public void action_safeProcedure_throws_Exception() throws Exception {
    final ArezContext context = new ArezContext();
    assertFalse(context.isTransactionActive());
    assertThrowsWithMessage(context::getTransaction, "Arez-0117: Attempting to get current transaction but no transaction is active.");
    final AccessControlException secException = new AccessControlException("");
    final String name = ValueUtil.randomString();
    final String param1 = "";
    final Object param2 = null;
    final int param3 = 3;
    final TestSpyEventHandler handler = new TestSpyEventHandler();
    context.getSpy().addSpyEventHandler(handler);
    final boolean mutation = false;
    final SafeProcedure procedure = () -> {
        throw secException;
    };
    assertThrows(AccessControlException.class, () -> context.safeAction(name, mutation, procedure, param1, param2, param3));
    assertFalse(context.isTransactionActive());
    handler.assertEventCount(4);
    {
        final ActionStartedEvent e = handler.assertEvent(ActionStartedEvent.class, 0);
        assertEquals(e.getName(), name);
        assertEquals(e.isTracked(), false);
        final Object[] parameters = e.getParameters();
        assertEquals(parameters.length, 3);
        assertEquals(parameters[0], param1);
        assertEquals(parameters[1], param2);
        assertEquals(parameters[2], param3);
    }
    {
        final TransactionStartedEvent e = handler.assertEvent(TransactionStartedEvent.class, 1);
        assertEquals(e.getName(), name);
        assertEquals(e.isMutation(), mutation);
        assertEquals(e.getTracker(), null);
    }
    {
        final TransactionCompletedEvent e = handler.assertEvent(TransactionCompletedEvent.class, 2);
        assertEquals(e.getName(), name);
        assertEquals(e.isMutation(), mutation);
        assertEquals(e.getTracker(), null);
    }
    {
        final ActionCompletedEvent e = handler.assertEvent(ActionCompletedEvent.class, 3);
        assertEquals(e.getName(), name);
        assertEquals(e.getThrowable(), secException);
        assertEquals(e.returnsResult(), false);
        assertEquals(e.getResult(), null);
        assertEquals(e.isTracked(), false);
        final Object[] parameters = e.getParameters();
        assertEquals(parameters.length, 3);
        assertEquals(parameters[0], param1);
        assertEquals(parameters[1], param2);
        assertEquals(parameters[2], param3);
    }
}

Example 4 with TransactionCompletedEvent

use of arez.spy.TransactionCompletedEvent in project arez by arez.

the class ArezContextTest method action_procedure_throwsException.

@Test
public void action_procedure_throwsException() throws Throwable {
    final ArezContext context = new ArezContext();
    assertFalse(context.isTransactionActive());
    assertThrowsWithMessage(context::getTransaction, "Arez-0117: Attempting to get current transaction but no transaction is active.");
    final String name = ValueUtil.randomString();
    final IOException ioException = new IOException();
    final String param1 = "";
    final Object param2 = null;
    final int param3 = 3;
    final TestSpyEventHandler handler = new TestSpyEventHandler();
    context.getSpy().addSpyEventHandler(handler);
    final boolean mutation = false;
    final Procedure procedure = () -> {
        throw ioException;
    };
    assertThrows(IOException.class, () -> context.action(name, mutation, procedure, param1, param2, param3));
    assertFalse(context.isTransactionActive());
    handler.assertEventCount(4);
    {
        final ActionStartedEvent e = handler.assertEvent(ActionStartedEvent.class, 0);
        assertEquals(e.getName(), name);
        assertEquals(e.isTracked(), false);
        final Object[] parameters = e.getParameters();
        assertEquals(parameters.length, 3);
        assertEquals(parameters[0], param1);
        assertEquals(parameters[1], param2);
        assertEquals(parameters[2], param3);
    }
    {
        final TransactionStartedEvent e = handler.assertEvent(TransactionStartedEvent.class, 1);
        assertEquals(e.getName(), name);
        assertEquals(e.isMutation(), mutation);
        assertEquals(e.getTracker(), null);
    }
    {
        final TransactionCompletedEvent e = handler.assertEvent(TransactionCompletedEvent.class, 2);
        assertEquals(e.getName(), name);
        assertEquals(e.isMutation(), mutation);
        assertEquals(e.getTracker(), null);
    }
    {
        final ActionCompletedEvent e = handler.assertEvent(ActionCompletedEvent.class, 3);
        assertEquals(e.getName(), name);
        assertEquals(e.getThrowable(), ioException);
        assertEquals(e.returnsResult(), false);
        assertEquals(e.getResult(), null);
        assertEquals(e.isTracked(), false);
        final Object[] parameters = e.getParameters();
        assertEquals(parameters.length, 3);
        assertEquals(parameters[0], param1);
        assertEquals(parameters[1], param2);
        assertEquals(parameters[2], param3);
    }
}

Example 5 with TransactionCompletedEvent

use of arez.spy.TransactionCompletedEvent in project arez by arez.

the class ArezContextTest method track_function.

@Test
public void track_function() throws Throwable {
    final ArezContext context = new ArezContext();
    assertFalse(context.isTransactionActive());
    final String expectedValue = ValueUtil.randomString();
    final AtomicInteger callCount = new AtomicInteger();
    final Observer tracker = context.tracker(true, callCount::incrementAndGet);
    final Observable<?> observable = newObservable(context);
    assertEquals(observable.getObservers().size(), 0);
    final int nextNodeId = context.currentNextTransactionId();
    final String param1 = "";
    final Object param2 = null;
    final int param3 = 3;
    final TestSpyEventHandler handler = new TestSpyEventHandler();
    context.getSpy().addSpyEventHandler(handler);
    final String v0 = context.track(tracker, () -> {
        assertTrue(context.isTransactionActive());
        final Transaction transaction = context.getTransaction();
        assertEquals(transaction.getName(), tracker.getName());
        assertEquals(transaction.getMode(), tracker.getMode());
        assertEquals(observable.getObservers().size(), 0);
        assertNotEquals(nextNodeId, observable.getLastTrackerTransactionId());
        observable.reportObserved();
        // Tracking so state updated
        final ArrayList<Observable<?>> observables = transaction.getObservables();
        assertNotNull(observables);
        assertEquals(observables.size(), 1);
        assertEquals(observable.getObservers().size(), 0);
        assertEquals(observable.getLastTrackerTransactionId(), nextNodeId);
        return expectedValue;
    }, param1, param2, param3);
    assertFalse(context.isTransactionActive());
    context.getSpy().removeSpyEventHandler(handler);
    assertEquals(v0, expectedValue);
    assertEquals(observable.getLastTrackerTransactionId(), 0);
    assertEquals(observable.getObservers().size(), 1);
    assertEquals(tracker.getDependencies().size(), 1);
    // Reaction not called as the function sets up initial tracking
    assertEquals(callCount.get(), 0);
    context.action(observable::reportChanged);
    assertEquals(callCount.get(), 1);
    assertEquals(observable.getObservers().size(), 1);
    assertEquals(tracker.getDependencies().size(), 1);
    handler.assertEventCount(4);
    {
        final ActionStartedEvent e = handler.assertEvent(ActionStartedEvent.class, 0);
        assertEquals(e.isTracked(), true);
        final Object[] parameters = e.getParameters();
        assertEquals(parameters.length, 3);
        assertEquals(parameters[0], param1);
        assertEquals(parameters[1], param2);
        assertEquals(parameters[2], param3);
    }
    {
        final TransactionStartedEvent e = handler.assertEvent(TransactionStartedEvent.class, 1);
        assertEquals(e.isMutation(), true);
        final ObserverInfo info = e.getTracker();
        assertNotNull(info);
        assertEquals(info.getName(), tracker.getName());
    }
    {
        final TransactionCompletedEvent e = handler.assertEvent(TransactionCompletedEvent.class, 2);
        assertEquals(e.isMutation(), true);
        final ObserverInfo info = e.getTracker();
        assertNotNull(info);
        assertEquals(info.getName(), tracker.getName());
    }
    {
        final ActionCompletedEvent e = handler.assertEvent(ActionCompletedEvent.class, 3);
        assertEquals(e.getThrowable(), null);
        assertEquals(e.returnsResult(), true);
        assertEquals(e.getResult(), v0);
        assertEquals(e.isTracked(), true);
        final Object[] parameters = e.getParameters();
        assertEquals(parameters.length, 3);
        assertEquals(parameters[0], param1);
        assertEquals(parameters[1], param2);
        assertEquals(parameters[2], param3);
    }
}