package liquibase.serializer;
import liquibase.serializer.core.string.StringChangeLogSerializer;
import liquibase.serializer.core.xml.XMLChangeLogSerializer;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
import java.util.Map;
public class ChangeLogSerializerFactoryTest {
@Before
public void setup() {
ChangeLogSerializerFactory.reset();
}
@Test
public void getInstance() {
assertNotNull(ChangeLogSerializerFactory.getInstance());
assertTrue(ChangeLogSerializerFactory.getInstance() == ChangeLogSerializerFactory.getInstance());
}
@Test
public void register() {
ChangeLogSerializerFactory.getInstance().getSerializers().clear();
assertEquals(0, ChangeLogSerializerFactory.getInstance().getSerializers().size());
ChangeLogSerializerFactory.getInstance().register(new MockChangeLogSerializer("mock"));
assertEquals(1, ChangeLogSerializerFactory.getInstance().getSerializers().size());
}
@Test
public void unregister_instance() {
ChangeLogSerializerFactory factory = ChangeLogSerializerFactory.getInstance();
factory.getSerializers().clear();
assertEquals(0, factory.getSerializers().size());
XMLChangeLogSerializer changeLogSerializer = new XMLChangeLogSerializer();
factory.register(new StringChangeLogSerializer());
factory.register(changeLogSerializer);
assertEquals(2, factory.getSerializers().size());
factory.unregister(changeLogSerializer);
assertEquals(1, factory.getSerializers().size());
}
@Test
public void reset() {
ChangeLogSerializerFactory instance1 = ChangeLogSerializerFactory.getInstance();
ChangeLogSerializerFactory.reset();
assertFalse(instance1 == ChangeLogSerializerFactory.getInstance());
}
@SuppressWarnings("unchecked")
@Test
public void builtInGeneratorsAreFound() {
Map<String, ChangeLogSerializer> generators = ChangeLogSerializerFactory.getInstance().getSerializers();
assertEquals(5, generators.size());
}
@Test
public void getSerializers() {
ChangeLogSerializer serializer = ChangeLogSerializerFactory.getInstance().getSerializer("xml");
assertNotNull(serializer);
assertTrue(serializer instanceof XMLChangeLogSerializer);
}
}