package ro.isdc.wro.manager.factory;
import static org.junit.Assert.assertEquals;
import static org.mockito.MockitoAnnotations.initMocks;
import java.io.InputStream;
import java.util.Properties;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import ro.isdc.wro.WroRuntimeException;
import ro.isdc.wro.config.Context;
import ro.isdc.wro.config.jmx.ConfigConstants;
import ro.isdc.wro.config.jmx.WroConfiguration;
import ro.isdc.wro.model.factory.ConfigurableModelFactory;
import ro.isdc.wro.model.factory.XmlModelFactory;
/**
* @author Alex Objelean
*/
public class TestDefaultWroManagerFactory {
@Mock
private HttpServletRequest request;
@Mock
private HttpServletResponse response;
@Mock
private FilterConfig filterConfig;
@Mock
private ServletContext servletContext;
private DefaultWroManagerFactory victim;
@Before
public void setUp()
throws Exception {
initMocks(this);
victim = DefaultWroManagerFactory.create(new WroConfiguration());
Mockito.when(filterConfig.getServletContext()).thenReturn(servletContext);
Mockito.when(servletContext.getResourceAsStream(Mockito.anyString())).then(createValidModelStreamAnswer());
Context.set(Context.webContext(request, response, filterConfig));
}
@After
public void tearDown() {
Context.unset();
}
private Answer<InputStream> createValidModelStreamAnswer()
throws Exception {
return new Answer<InputStream>() {
public InputStream answer(final InvocationOnMock invocation)
throws Throwable {
return ClassLoader.getSystemResourceAsStream("wro.xml");
}
};
}
@Test(expected = NullPointerException.class)
public void cannotAcceptNullConfiguration() {
final WroConfiguration config = null;
DefaultWroManagerFactory.create(config);
}
@Test
public void shouldCreateADefaultManagerFactory() {
assertEquals(BaseWroManagerFactory.class, victim.getFactory().getClass());
}
@Test
public void shouldCreateOverridenManagerFactory() {
victim = new DefaultWroManagerFactory(new Properties()) {
@Override
protected WroManagerFactory newManagerFactory() {
return new ConfigurableWroManagerFactory();
}
};
assertEquals(ConfigurableWroManagerFactory.class, victim.getFactory().getClass());
}
@Test
public void shouldCreateManagerFactory() {
final WroConfiguration config = new WroConfiguration();
config.setWroManagerClassName(NoProcessorsWroManagerFactory.class.getName());
victim = DefaultWroManagerFactory.create(config);
assertEquals(NoProcessorsWroManagerFactory.class, victim.getFactory().getClass());
}
@Test(expected = WroRuntimeException.class)
public void cannotCreateInvalidConfiguredManagerFactory() {
final WroConfiguration config = new WroConfiguration();
config.setWroManagerClassName("invalid.class.name.ManagerFactory");
victim = DefaultWroManagerFactory.create(config);
}
@Test
public void shouldInvokeListenerMethods() {
final WroManagerFactory mockManagerFactory = Mockito.mock(WroManagerFactory.class);
victim = new DefaultWroManagerFactory(new Properties()) {
@Override
protected WroManagerFactory newManagerFactory() {
return mockManagerFactory;
}
};
victim.onCachePeriodChanged(0);
Mockito.verify(mockManagerFactory).onCachePeriodChanged(0);
victim.onModelPeriodChanged(0);
Mockito.verify(mockManagerFactory).onModelPeriodChanged(0);
}
@Test(expected = NullPointerException.class)
public void cannotAcceptNullProperty() {
final Properties props = null;
new DefaultWroManagerFactory(props);
}
@Test(expected = WroRuntimeException.class)
public void cannotAcceptInvalidManagerClassConfiguredInProperties() {
final Properties props = propsForWroManagerClassName("invalid");
new DefaultWroManagerFactory(props);
}
@Test
public void shouldLoadValidManagerClassConfiguredInProperties() {
final Properties props = propsForWroManagerClassName(NoProcessorsWroManagerFactory.class.getName());
final DefaultWroManagerFactory victim = new DefaultWroManagerFactory(props);
assertEquals(NoProcessorsWroManagerFactory.class, victim.getFactory().getClass());
}
private Properties propsForWroManagerClassName(final String className) {
final Properties props = new Properties();
props.setProperty(ConfigConstants.managerFactoryClassName.name(), className);
return props;
}
@Test
public void shouldCreateOverridenManagerFactoryWhenManagerClassPropertyIsMissing() {
victim = new DefaultWroManagerFactory(new Properties()) {
@Override
protected WroManagerFactory newManagerFactory() {
return new ConfigurableWroManagerFactory();
}
};
assertEquals(ConfigurableWroManagerFactory.class, victim.getFactory().getClass());
}
/**
* Exceptional flow for issue751.
*/
@Test(expected = WroRuntimeException.class)
public void shouldFailWhenInvalidModelIsProvidedWhenUsingConfigurableWroManagerFactory() {
useModelFactoryWithAlias("invalidModel");
}
/**
* Happy flow for issue751.
*/
@Test
public void shouldUseValidModelIsProvidedWhenUsingConfigurableWroManagerFactory() {
useModelFactoryWithAlias(XmlModelFactory.ALIAS);
}
private void useModelFactoryWithAlias(final String modelFactoryAlias) {
final Properties properties = propsForWroManagerClassName(ConfigurableWroManagerFactory.class.getName());
properties.setProperty(ConfigurableModelFactory.KEY, modelFactoryAlias);
victim = new DefaultWroManagerFactory(properties);
victim.create().getModelFactory().create();
}
}