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package org.apache.cayenne;
import static org.mockito.Mockito.mock;
import java.util.Map;
import junit.framework.TestCase;
import org.apache.cayenne.cache.QueryCache;
import org.apache.cayenne.configuration.CayenneRuntime;
import org.apache.cayenne.di.Binder;
import org.apache.cayenne.di.DIBootstrap;
import org.apache.cayenne.di.Injector;
import org.apache.cayenne.di.Key;
import org.apache.cayenne.di.Module;
public class BaseContextTest extends TestCase {
public void testUserPropertiesLazyInit() {
BaseContext context = new MockBaseContext();
assertNull(context.userProperties);
Map<String, Object> properties = context.getUserProperties();
assertNotNull(properties);
assertSame(properties, context.getUserProperties());
}
public void testAttachToRuntimeIfNeeded() {
final DataChannel channel = mock(DataChannel.class);
final QueryCache cache = mock(QueryCache.class);
Module testModule = new Module() {
public void configure(Binder binder) {
binder.bind(DataChannel.class).toInstance(channel);
Key<QueryCache> cacheKey = Key.get(
QueryCache.class,
BaseContext.QUERY_CACHE_INJECTION_KEY);
binder.bind(cacheKey).toInstance(cache);
}
};
Injector injector = DIBootstrap.createInjector(testModule);
BaseContext context = new MockBaseContext();
assertNull(context.channel);
assertNull(context.queryCache);
Injector oldInjector = CayenneRuntime.getThreadInjector();
try {
CayenneRuntime.bindThreadInjector(injector);
assertTrue(context.attachToRuntimeIfNeeded());
assertSame(channel, context.channel);
assertSame(cache, context.queryCache);
assertFalse(context.attachToRuntimeIfNeeded());
assertFalse(context.attachToRuntimeIfNeeded());
}
finally {
CayenneRuntime.bindThreadInjector(oldInjector);
}
}
public void testAttachToRuntimeIfNeeded_NoStack() {
BaseContext context = new MockBaseContext();
assertNull(context.channel);
assertNull(context.queryCache);
try {
context.attachToRuntimeIfNeeded();
fail("No thread stack, must have thrown");
}
catch (CayenneRuntimeException e) {
// expected
}
}
}