Examples of org.apache.cayenne.unit.util.ThreadedTestHelper

org.apache.cayenne.unit.util.ThreadedTestHelper
Helper class allowing unit tests to wait till a code in question executes in a separate thread. There is still some element of uncertainty remains, since this implementation simply tries to give other threads enough time to execute, instead of watching for threads activity.
Note that result sampling is done every 300 ms., so if the test succeeds earlier, test case wouldn't have to wait for the whole time period specified by timeout.

        a1.addToPaintingArray(py1);
        assertEquals(1, a2.getPaintingArray().size());
        assertFalse(a2.getPaintingArray().contains(py2));
        peer1.commitChangesToParent();
        // pause to let the context events propagate
        new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertEquals(2, a2.getPaintingArray().size());
                assertTrue(a2.getPaintingArray().contains(py2));

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        a1.setName("Y");
        assertEquals("X", a2.getName());
        parentContext2.commitChangesToParent();


        new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertEquals("Y", a2.getName());

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                .getCachedSnapshot(a2.getObjectId());
        assertNotNull("No snapshot for artist", freshSnapshot);
        assertEquals(NEW_NAME, freshSnapshot.get("ARTIST_NAME"));


        // check peer artist
        ThreadedTestHelper helper = new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertEquals(
                        "Snapshot change is not propagated: " + freshSnapshot,
                        NEW_NAME,
                        a2.getArtistName());
            }
        };
        helper.assertWithTimeout(3000);
    }

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        artist.setArtistName("version2");
        context.commitChanges();


        // assert that delegate was consulted when an object store
        // was refreshed
        ThreadedTestHelper helper = new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertTrue("Delegate was not consulted", methodInvoked[0]);
            }
        };
        helper.assertWithTimeout(3000);
    }

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        context.deleteObjects(artist);
        context.commitChanges();


        // assert that delegate was consulted when an object store
        // was refreshed
        ThreadedTestHelper helper = new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertTrue("Delegate was not consulted", methodInvoked[0]);
            }
        };
        helper.assertWithTimeout(3000);
    }

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        context.deleteObjects(artist);
        context.commitChanges();


        // assert that delegate was consulted when an object store
        // was refreshed, and actually blocked object expulsion
        ThreadedTestHelper helper = new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertTrue("Delegate was not consulted", methodInvoked[0]);
            }
        };
        helper.assertWithTimeout(3000);
        assertEquals(PersistenceState.COMMITTED, altArtist.getPersistenceState());
        assertNotNull(altArtist.getObjectContext());
    }

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            test.setName("SoftDeleteBatchQueryBuilderTest");
            context.commitChanges();


            final SelectQuery query = new SelectQuery(SoftTest.class);


            new ThreadedTestHelper() {


                @Override
                protected void assertResult() throws Exception {
                    query
                            .setQualifier(ExpressionFactory.matchExp("name", test
                                    .getName()));
                    assertEquals(1, context.performQuery(query).size());


                    query.andQualifier(ExpressionFactory.matchDbExp("DELETED", true));
                    assertEquals(0, context.performQuery(query).size());
                }
            }.assertWithTimeout(200);


            context.deleteObjects(test);
            assertEquals(test.getPersistenceState(), PersistenceState.DELETED);
            context.commitChanges();


            new ThreadedTestHelper() {


                @Override
                protected void assertResult() throws Exception {
                    query
                            .setQualifier(ExpressionFactory.matchExp("name", test

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        // check that event was received and that subject was injected...


        // since bridge is notified asynchronously by default,
        // we must wait till notification is received
        ThreadedTestHelper helper = new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertTrue(bridge.lastLocalEvent instanceof SnapshotEvent);
                assertEquals(local, bridge.lastLocalEvent.getSubject());
            }
        };


        helper.assertWithTimeout(5000);


        final SnapshotEvent eventWithSubject = new SnapshotEvent(
                this,
                this,
                null,
                null,
                null,
                null);
        eventWithSubject.setSubject(local);
        manager.postEvent(eventWithNoSubject, local);


        // check that event was received and that subject was injected...


        // since bridge is notified asynchronously by default,
        // we must wait till notification is received
        ThreadedTestHelper helper1 = new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertTrue(bridge.lastLocalEvent instanceof SnapshotEvent);
                assertEquals(local, bridge.lastLocalEvent.getSubject());
            }
        };


        helper1.assertWithTimeout(5000);
    }

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    // allows just enough time for the event threads to run
    private static void assertReceivedEvents(
            final int expected,
            final DefaultEventManagerTest listener) throws Exception {


        ThreadedTestHelper helper = new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertEquals(expected, listener.numberOfReceivedEvents);
            }
        };
        helper.assertWithTimeout(5000);
    }

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        helper.assertWithTimeout(5000);
    }


    // allows just enough time for the event threads to run
    private static void assertReceivedEventsForClass(final int expected) throws Exception {
        ThreadedTestHelper helper = new ThreadedTestHelper() {


            @Override
            protected void assertResult() throws Exception {
                assertEquals(expected, numberOfReceivedEventsForClass);
            }
        };
        helper.assertWithTimeout(5000);
    }

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org.apache.cayenne.access.DataContextDataChannelEventsTest

org.apache.cayenne.access.DataContextDelegateSharedCacheTest

org.apache.cayenne.access.DataContextSharedCacheEmpiricTest

org.apache.cayenne.access.DataContextSharedCacheTest

org.apache.cayenne.access.jdbc.SoftDeleteBatchQueryBuilderTest

org.apache.cayenne.access.NestedDataContextParentEventsTest

org.apache.cayenne.access.NestedDataContextParentPeerEventsTest

org.apache.cayenne.access.NestedDataContextPeerEventsTest

org.apache.cayenne.access.ObjectStoreGCTest

org.apache.cayenne.CayenneContextWithDataContextTest

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