@Test
public void should_sanitize_pico_exception_on_start_failure() {
ComponentContainer container = new ComponentContainer();
container.add(UnstartableComponent.class);
// do not expect a PicoException
thrown.expect(IllegalStateException.class);
container.startComponents();
}
@Test
public void testChild() {
ComponentContainer parent = new ComponentContainer();
parent.startComponents();
ComponentContainer child = parent.createChild();
child.addSingleton(StartableComponent.class);
child.startComponents();
assertThat(child.getParent()).isSameAs(parent);
assertThat(parent.getChild()).isSameAs(child);
assertThat(child.getComponentByType(ComponentContainer.class)).isSameAs(child);
assertThat(parent.getComponentByType(ComponentContainer.class)).isSameAs(parent);
assertThat(child.getComponentByType(StartableComponent.class)).isNotNull();
assertThat(parent.getComponentByType(StartableComponent.class)).isNull();
parent.stopComponents();
}
@Test
public void testRemoveChild() {
ComponentContainer parent = new ComponentContainer();
parent.startComponents();
ComponentContainer child = parent.createChild();
assertThat(parent.getChild()).isSameAs(child);
parent.removeChild();
assertThat(parent.getChild()).isNull();
}
@Test
public void display_plugin_name_when_failing_to_add_extension() {
ComponentContainer container = new ComponentContainer();
PluginInfo plugin = mock(PluginInfo.class);
container.startComponents();
thrown.expect(IllegalStateException.class);
thrown.expectMessage(
"Unable to register extension org.sonar.core.platform.ComponentContainerTest$UnstartableComponent");
container.addExtension(plugin, UnstartableComponent.class);
}
@Test
public void should_start_and_stop() {
ComponentContainer container = spy(new ComponentContainer());
container.addSingleton(StartableComponent.class);
container.startComponents();
assertThat(container.getComponentByType(StartableComponent.class).started).isTrue();
assertThat(container.getComponentByType(StartableComponent.class).stopped).isFalse();
verify(container).doBeforeStart();
verify(container).doAfterStart();
container.stopComponents();
assertThat(container.getComponentByType(StartableComponent.class).stopped).isTrue();
}
@Test
public void shouldForwardStartAndStopToDescendants() {
ComponentContainer grandParent = new ComponentContainer();
ComponentContainer parent = grandParent.createChild();
ComponentContainer child = parent.createChild();
child.addSingleton(StartableComponent.class);
grandParent.startComponents();
StartableComponent component = child.getComponentByType(StartableComponent.class);
assertTrue(component.started);
parent.stopComponents();
assertTrue(component.stopped);
}