ebul-cmp/src/test/java/info/ebenoit/ebul/cmp/TestComponentState.java

847 lines
26 KiB
Java

package info.ebenoit.ebul.cmp;
import java.lang.reflect.Field;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
/** Tests for {@link ComponentState} */
public class TestComponentState
{
/**
* A "fake" {@link ComponentRegistry} whose initialisation, activation and failure state can be modified manually
*/
private static class FakeRegistry
extends ComponentRegistry
{
private boolean initialised;
private boolean active;
private boolean failed;
@Override
public boolean isInitialised( )
{
return this.initialised;
}
@Override
public boolean isActive( )
{
return this.active;
}
@Override
public boolean hasFailed( )
{
return this.failed;
}
}
/** Class used to test name provider handling */
private static class PCmpTest
{
private final String componentName;
public PCmpTest( final String componentName )
{
super( );
this.componentName = componentName;
}
public String getComponentName( )
{
return this.componentName;
}
}
/** Class used to test registry-aware components */
private static class RACmpTest
implements RegistryAware
{
private ComponentRegistry registry;
@Override
public void setComponentRegistry( ComponentRegistry registry )
{
this.registry = registry;
}
}
/** Class used to test methods that affect the component's lifecycle */
private static class LCATest
{
private LifecycleStage stage;
}
/** Class used to test {@link ComponentState#restart()} */
private static class RestartTest
{
private boolean stopped;
private boolean started;
private static ComponentState get( final ComponentRegistry reg , final boolean active )
{
return TestComponentState.makeState( RestartTest.getDef( ) , reg , true , active );
}
private static NewComponentInfo< RestartTest > getDef( )
{
return new NewComponentInfo< >( new RestartTest( ) ) //
.setLifecycleAction( LifecycleStage.START , o -> {
o.started = true;
} ) //
.setLifecycleAction( LifecycleStage.STOP , o -> {
o.stopped = true;
} );
}
}
private static ComponentState makeState( final NewComponentInfo< ? > ci , final ComponentRegistry reg ,
final boolean initialised , final boolean active )
{
final ComponentState cs = new ComponentState( reg , ci );
try {
if ( initialised ) {
Field f = ComponentState.class.getDeclaredField( "initialised" );
f.setAccessible( true );
f.setBoolean( cs , true );
}
if ( active ) {
Field f = ComponentState.class.getDeclaredField( "active" );
f.setAccessible( true );
f.setBoolean( cs , true );
}
} catch ( NoSuchFieldException | IllegalAccessException e ) {
throw new RuntimeException( e );
}
return cs;
}
private FakeRegistry reg;
@Before
public void setup( )
{
this.reg = new FakeRegistry( );
}
/** Test: initialising a {@link ComponentState} using an existing object */
@Test
public void testInitialiseWithObject( )
{
final Object object = new Object( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( object );
final ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertSame( object , cs.getComponent( ) );
}
/** Test: initialising a {@link ComponentState} using a component supplier */
@Test
public void testInitialiseWithSupplier( )
{
final Object object = new Object( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( ( ) -> object );
final ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertSame( object , cs.getComponent( ) );
}
/**
* Test: initialising a {@link ComponentState} using a component supplier that throws an exception throws a
* {@link ComponentCreationException}
*/
@Test( expected = ComponentCreationException.class )
public void testInitialiseWithFailingSupplier( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( ( ) -> {
throw new Exception( "failing" );
} );
new ComponentState( this.reg , ci );
}
/** Test: initialising a {@link ComponentState} with a <code>null</code> name */
@Test
public void testInitialiseNullName( )
{
final Object object = new Object( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( object );
final ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertNull( cs.getName( ) );
}
/** Test: initialising a {@link ComponentState} with an automatic name */
@Test
public void testInitialiseAutoName( )
{
final Object object = new Object( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( object ) //
.setName( "" );
final ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertEquals( "Object" , cs.getName( ) );
}
/** Test: initialising a {@link ComponentState} with a supplied name */
@Test
public void testInitialiseWithName( )
{
final Object object = new Object( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( object ).setName( "Test" );
final ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertEquals( "Test" , cs.getName( ) );
}
/** Test: initialising a {@link ComponentState} with a name provider */
@Test
public void testInitialiseWithParametricComponent( )
{
final PCmpTest object = new PCmpTest( "ParametricName" );
final NewComponentInfo< PCmpTest > ci = new NewComponentInfo< PCmpTest >( object ) //
.setNameProvider( o -> o.getComponentName( ) );
final ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertEquals( "ParametricName" , cs.getName( ) );
}
/** Test: initialising a {@link ComponentState} with a name provider overrides any configured name */
@Test
public void testInitialiseWithParametricComponentAndName( )
{
final PCmpTest object = new PCmpTest( "ParametricName" );
final NewComponentInfo< PCmpTest > ci = new NewComponentInfo< PCmpTest >( object ) //
.setNameProvider( o -> o.getComponentName( ) ) //
.setName( "Test" );
final ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertEquals( "ParametricName" , cs.getName( ) );
}
/** Test: initialising a {@link ComponentState} that implements {@link RegistryAware} */
@Test
public void testInitialiseRegistryAware( )
{
final RACmpTest object = new RACmpTest( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( object );
new ComponentState( this.reg , ci );
Assert.assertSame( this.reg , object.registry );
}
/** Test: {@link ComponentState} copies autostart flag */
@Test
public void testInitialiseAutostart( )
{
final Object object = new Object( );
NewComponentInfo< Object > ci = new NewComponentInfo< Object >( object );
ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertFalse( cs.hasAutostart( ) );
ci = new NewComponentInfo< Object >( object ).setAutostart( true );
cs = new ComponentState( this.reg , ci );
Assert.assertTrue( cs.hasAutostart( ) );
}
/** Test: {@link ComponentState#toString()} on anonymous components */
@Test
public void testToStringAnon( )
{
final Object object = new Object( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( object );
final ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertEquals( "anonymous component of type " + Object.class.getCanonicalName( ) , cs.toString( ) );
}
/** Test: {@link ComponentState#toString()} on named components */
@Test
public void testToStringNamed( )
{
final Object object = new Object( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( object ).setName( "Test" );
final ComponentState cs = new ComponentState( this.reg , ci );
Assert.assertEquals( "component 'Test' of type " + Object.class.getCanonicalName( ) , cs.toString( ) );
}
/** Test: {@link ComponentState#addDependency(ComponentState)} adds the specified dependency */
@Test
public void testAddDependency( )
{
final Object object = new Object( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( object );
final ComponentState cs1 = new ComponentState( this.reg , ci );
final ComponentState cs2 = new ComponentState( this.reg , ci );
cs1.addDependency( cs2 );
Assert.assertEquals( 1 , cs1.getDependencies( ).size( ) );
Assert.assertTrue( cs1.getDependencies( ).contains( cs2 ) );
Assert.assertEquals( 1 , cs2.getReverseDependencies( ).size( ) );
Assert.assertTrue( cs2.getReverseDependencies( ).contains( cs1 ) );
}
/** Test: {@link ComponentState#init()} with no lifecycle action runs without a hitch */
@Test
public void testInitNoAction( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs = makeState( ci , reg , false , false );
cs.init( );
Assert.assertTrue( cs.isInitialised( ) );
}
/** Test: {@link ComponentState#init()} runs the initialisation action */
@Test
public void testInitAction( )
{
final LCATest lcaTest = new LCATest( );
final NewComponentInfo< LCATest > ci = new NewComponentInfo< LCATest >( lcaTest ) //
.setLifecycleAction( LifecycleStage.INITIALISE , ( o ) -> {
o.stage = LifecycleStage.INITIALISE;
} );
final ComponentState cs = makeState( ci , reg , false , false );
cs.init( );
Assert.assertSame( LifecycleStage.INITIALISE , lcaTest.stage );
Assert.assertTrue( cs.isInitialised( ) );
}
/** Test: {@link ComponentState#init()} on an initialised component does nothing */
@Test
public void testInitAlreadyInitialised( )
{
final LCATest lcaTest = new LCATest( );
final NewComponentInfo< LCATest > ci = new NewComponentInfo< LCATest >( lcaTest ) //
.setLifecycleAction( LifecycleStage.INITIALISE , ( o ) -> {
o.stage = LifecycleStage.INITIALISE;
} );
final ComponentState cs = makeState( ci , reg , true , false );
cs.init( );
Assert.assertNull( lcaTest.stage );
}
/** Test: {@link ComponentState#init()} re-throws {@link ComponentInitialisationException} */
@Test
public void testInitActionExceptionPassthrough( )
{
final ComponentInitialisationException failure = new ComponentInitialisationException( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) ) //
.setLifecycleAction( LifecycleStage.INITIALISE , ( o ) -> {
throw failure;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , false , false );
try {
cs.init( );
} catch ( final ComponentInitialisationException e ) {
Assert.assertFalse( cs.isInitialised( ) );
Assert.assertSame( failure , e );
return;
}
Assert.fail( "no ComponentInitialisationException" );
}
/**
* Test: {@link ComponentState#init()} transmits other exceptions using a {@link ComponentInitialisationException}
*/
@Test
public void testInitActionExceptionTransmit( )
{
final Exception failure = new Exception( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) ) //
.setLifecycleAction( LifecycleStage.INITIALISE , ( o ) -> {
throw failure;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , false , false );
try {
cs.init( );
} catch ( final ComponentInitialisationException e ) {
Assert.assertFalse( cs.isInitialised( ) );
Assert.assertSame( failure , e.getCause( ) );
return;
}
Assert.fail( "no ComponentInitialisationException" );
}
/** Test: {@link ComponentState#init()} attempts to initialise a component's dependencies */
@Test
public void testInitDependencies( )
{
final LCATest lcaTest = new LCATest( );
final NewComponentInfo< LCATest > ci1 = new NewComponentInfo< LCATest >( lcaTest ) //
.setLifecycleAction( LifecycleStage.INITIALISE , ( o ) -> {
o.stage = LifecycleStage.INITIALISE;
} );
final ComponentState cs1 = TestComponentState.makeState( ci1 , this.reg , false , false );
final NewComponentInfo< Object > ci2 = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs2 = TestComponentState.makeState( ci2 , this.reg , false , false );
cs2.addDependency( cs1 );
cs2.init( );
Assert.assertSame( LifecycleStage.INITIALISE , lcaTest.stage );
}
/** Test: {@link ComponentState#destroy()} throws {@link IllegalStateException} if the component is active */
@Test( expected = IllegalStateException.class )
public void testDestroyActive( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , true );
cs.destroy( );
}
/** Test: {@link ComponentState#destroy()} with no configured action works */
@Test
public void testDestroyNoAction( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , false );
cs.destroy( );
Assert.assertFalse( cs.isInitialised( ) );
}
/** Test: {@link ComponentState#destroy()} executes the configured destruction action */
@Test
public void testDestroyAction( )
{
final LCATest lcaTest = new LCATest( );
final NewComponentInfo< LCATest > ci = new NewComponentInfo< LCATest >( lcaTest ) //
.setLifecycleAction( LifecycleStage.DESTROY , ( o ) -> {
o.stage = LifecycleStage.DESTROY;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , false );
cs.destroy( );
Assert.assertFalse( cs.isInitialised( ) );
Assert.assertSame( LifecycleStage.DESTROY , lcaTest.stage );
}
/** Test: {@link ComponentState#destroy()} re-throws {@link ComponentDestructionException} */
@Test
public void testDestroyActionExceptionPassthrough( )
{
final ComponentDestructionException failure = new ComponentDestructionException( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) ) //
.setLifecycleAction( LifecycleStage.DESTROY , ( o ) -> {
throw failure;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , false );
try {
cs.destroy( );
} catch ( final ComponentDestructionException e ) {
Assert.assertTrue( cs.isInitialised( ) );
Assert.assertSame( failure , e );
return;
}
Assert.fail( "no ComponentDestructionException" );
}
/**
* Test: {@link ComponentState#destroy()} transmits other exceptions using a {@link ComponentDestructionException}
*/
@Test
public void testDestroyActionExceptionTransmit( )
{
final Exception failure = new Exception( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) ) //
.setLifecycleAction( LifecycleStage.DESTROY , ( o ) -> {
throw failure;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , false );
try {
cs.destroy( );
} catch ( final ComponentDestructionException e ) {
Assert.assertTrue( cs.isInitialised( ) );
Assert.assertSame( failure , e.getCause( ) );
return;
}
Assert.fail( "no ComponentDestructionException" );
}
/** Test: {@link ComponentState#destroy()} destroys reverse dependencies */
@Test
public void testDestroyReverseDeps( )
{
final NewComponentInfo< Object > ci1 = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs1 = TestComponentState.makeState( ci1 , this.reg , true , false );
final NewComponentInfo< Object > ci2 = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs2 = TestComponentState.makeState( ci2 , this.reg , true , false );
cs2.addDependency( cs1 );
cs1.destroy( );
Assert.assertFalse( cs2.isInitialised( ) );
}
/** Test: {@link ComponentState#start()} on uninitialised components throws {@link IllegalStateException} */
@Test( expected = IllegalStateException.class )
public void testStartUninitialised( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs = new ComponentState( this.reg , ci );
this.reg.active = true;
cs.start( );
}
/** Test: {@link ComponentState#start()} with a failed registry throws {@link IllegalStateException} */
@Test( expected = IllegalStateException.class )
public void testStartFailedRegistry( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs = makeState( ci , reg , true , false );
this.reg.failed = true;
cs.start( );
}
/** Test: {@link ComponentState#start()} with an inactive registry throws {@link IllegalStateException} */
@Test( expected = IllegalStateException.class )
public void testStartInactiveRegistry( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs = makeState( ci , reg , true , false );
cs.start( );
}
/** Test: {@link ComponentState#start()} with no lifecycle action runs without a hitch */
@Test
public void testStartNoAction( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs = makeState( ci , reg , true , false );
this.reg.active = true;
cs.start( );
Assert.assertTrue( cs.isActive( ) );
}
/** Test: {@link ComponentState#start()} runs the startup action */
@Test
public void testStartStartupAction( )
{
final LCATest lcaTest = new LCATest( );
final NewComponentInfo< LCATest > ci = new NewComponentInfo< LCATest >( lcaTest ) //
.setLifecycleAction( LifecycleStage.START , ( o ) -> {
o.stage = LifecycleStage.START;
} );
final ComponentState cs = makeState( ci , reg , true , false );
this.reg.active = true;
cs.start( );
Assert.assertSame( LifecycleStage.START , lcaTest.stage );
Assert.assertTrue( cs.isActive( ) );
}
/** Test: {@link ComponentState#start()} on an active component does nothing */
@Test
public void testStartStartupAlreadyActive( )
{
final LCATest lcaTest = new LCATest( );
final NewComponentInfo< LCATest > ci = new NewComponentInfo< LCATest >( lcaTest ) //
.setLifecycleAction( LifecycleStage.START , ( o ) -> {
o.stage = LifecycleStage.START;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , true );
this.reg.active = true;
cs.start( );
Assert.assertNull( lcaTest.stage );
}
/** Test: {@link ComponentState#start()} re-throws {@link ComponentStartupException} */
@Test
public void testStartStartupActionExceptionPassthrough( )
{
final ComponentStartupException failure = new ComponentStartupException( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) ) //
.setLifecycleAction( LifecycleStage.START , ( o ) -> {
throw failure;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , false );
this.reg.active = true;
try {
cs.start( );
} catch ( final ComponentStartupException e ) {
Assert.assertFalse( cs.isActive( ) );
Assert.assertSame( failure , e );
return;
}
Assert.fail( "no ComponentStartupException" );
}
/** Test: {@link ComponentState#start()} transmits other exceptions using a {@link ComponentStartupException} */
@Test
public void testStartStartupActionExceptionTransmit( )
{
final Exception failure = new Exception( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) ) //
.setLifecycleAction( LifecycleStage.START , ( o ) -> {
throw failure;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , false );
this.reg.active = true;
try {
cs.start( );
} catch ( final ComponentStartupException e ) {
Assert.assertFalse( cs.isActive( ) );
Assert.assertSame( failure , e.getCause( ) );
return;
}
Assert.fail( "no ComponentStartupException" );
}
/** Test: {@link ComponentState#start()} attempts to start a component's dependencies */
@Test
public void testStartDependencies( )
{
final LCATest lcaTest = new LCATest( );
final NewComponentInfo< LCATest > ci1 = new NewComponentInfo< LCATest >( lcaTest ) //
.setLifecycleAction( LifecycleStage.START , ( o ) -> {
o.stage = LifecycleStage.START;
} );
final ComponentState cs1 = TestComponentState.makeState( ci1 , this.reg , true , false );
final NewComponentInfo< Object > ci2 = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs2 = TestComponentState.makeState( ci2 , this.reg , true , false );
cs2.addDependency( cs1 );
this.reg.active = true;
cs2.start( );
Assert.assertSame( LifecycleStage.START , lcaTest.stage );
}
/** Test: {@link ComponentState#stop()} with a failed registry throws {@link IllegalStateException} */
@Test( expected = IllegalStateException.class )
public void testStopFailedRegistry( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , true );
this.reg.failed = true;
cs.stop( );
}
/** Test: {@link ComponentState#stop()} with no configured action works */
@Test
public void testStopNoAction( )
{
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , true );
this.reg.active = true;
cs.stop( );
Assert.assertFalse( cs.isActive( ) );
}
/** Test: {@link ComponentState#stop()} executes the configured stop action */
@Test
public void testStopAction( )
{
final LCATest lcaTest = new LCATest( );
final NewComponentInfo< LCATest > ci = new NewComponentInfo< LCATest >( lcaTest ) //
.setLifecycleAction( LifecycleStage.STOP , ( o ) -> {
o.stage = LifecycleStage.STOP;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , true );
this.reg.active = true;
cs.stop( );
Assert.assertFalse( cs.isActive( ) );
Assert.assertSame( LifecycleStage.STOP , lcaTest.stage );
}
/** Test: {@link ComponentState#stop()} transmits an exception thrown by the configured stop action */
@Test
public void testStopActionFailure( )
{
final ComponentShutdownException failure = new ComponentShutdownException( );
final NewComponentInfo< Object > ci = new NewComponentInfo< Object >( new Object( ) ) //
.setLifecycleAction( LifecycleStage.STOP , ( o ) -> {
throw failure;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , true );
this.reg.active = true;
try {
cs.stop( );
} catch ( ComponentShutdownException e ) {
Assert.assertSame( failure , e );
Assert.assertTrue( cs.isActive( ) );
return;
}
Assert.fail( "expected ComponentShutdownException" );
}
/** Test: {@link ComponentState#stop()} stops reverse dependencies */
@Test
public void testStopReverseDeps( )
{
final NewComponentInfo< Object > ci1 = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs1 = TestComponentState.makeState( ci1 , this.reg , true , true );
final NewComponentInfo< Object > ci2 = new NewComponentInfo< Object >( new Object( ) );
final ComponentState cs2 = TestComponentState.makeState( ci2 , this.reg , true , true );
cs2.addDependency( cs1 );
this.reg.active = true;
cs1.stop( );
Assert.assertFalse( cs2.isActive( ) );
}
/** Test: {@link ComponentState#restart()} with a failed registry throws {@link IllegalStateException} */
@Test( expected = IllegalStateException.class )
public void testRestartFailedRegistry( )
{
final NewComponentInfo< RestartTest > ci = new NewComponentInfo< >( new RestartTest( ) );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , true );
this.reg.failed = true;
cs.restart( );
}
/** Test: {@link ComponentState#restart()} on a stopped component does nothing */
@Test
public void testRestartInactive( )
{
final ComponentState cs = RestartTest.get( this.reg , false );
final RestartTest rt = (RestartTest) cs.getComponent( );
this.reg.active = true;
cs.restart( );
Assert.assertFalse( rt.stopped );
Assert.assertFalse( rt.started );
}
/** Test: {@link ComponentState#restart()} on an active component restarts it */
@Test
public void testRestartActive( )
{
final ComponentState cs = RestartTest.get( this.reg , true );
final RestartTest rt = (RestartTest) cs.getComponent( );
this.reg.active = true;
cs.restart( );
Assert.assertTrue( rt.stopped );
Assert.assertTrue( rt.started );
}
/** Test: {@link ComponentState#restart()} throws a {@link ComponentShutdownException} when stop fails */
@Test
public void testRestartWhenStopFails( )
{
final Exception failure = new Exception( );
final NewComponentInfo< RestartTest > ci = RestartTest.getDef( );
ci.setLifecycleAction( LifecycleStage.STOP , ( o ) -> {
throw failure;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , true );
this.reg.active = true;
try {
cs.restart( );
} catch ( final ComponentShutdownException e ) {
Assert.assertSame( failure , e.getCause( ) );
Assert.assertTrue( cs.isActive( ) );
return;
}
Assert.fail( "no ComponentShutdownException" );
}
/** Test: {@link ComponentState#restart()} throws a {@link ComponentStartupException} when start fails */
@Test
public void testRestartWhenStartFails( )
{
final Exception failure = new Exception( );
final NewComponentInfo< RestartTest > ci = RestartTest.getDef( );
ci.setLifecycleAction( LifecycleStage.START , ( o ) -> {
throw failure;
} );
final ComponentState cs = TestComponentState.makeState( ci , this.reg , true , true );
this.reg.active = true;
try {
cs.restart( );
} catch ( final ComponentStartupException e ) {
Assert.assertSame( failure , e.getCause( ) );
Assert.assertFalse( cs.isActive( ) );
return;
}
Assert.fail( "no ComponentStartupException" );
}
/** Test: {@link ComponentState#restart()} restarts active reverse dependencies */
@Test
public void testRestartActiveReverseDeps( )
{
final ComponentState cs1 = TestComponentState.makeState( RestartTest.getDef( ) , this.reg , true , true );
final ComponentState cs2 = TestComponentState.makeState( RestartTest.getDef( ) , this.reg , true , true );
cs2.addDependency( cs1 );
this.reg.active = true;
cs1.restart( );
final RestartTest rt = (RestartTest) cs2.getComponent( );
Assert.assertTrue( rt.stopped );
Assert.assertTrue( rt.started );
}
/** Test: {@link ComponentState#restart()} does not start inactive reverse dependencies */
@Test
public void testRestartInactiveReverseDeps( )
{
final ComponentState cs1 = TestComponentState.makeState( RestartTest.getDef( ) , this.reg , true , true );
final ComponentState cs2 = TestComponentState.makeState( RestartTest.getDef( ) , this.reg , true , false );
cs2.addDependency( cs1 );
this.reg.active = true;
cs1.restart( );
final RestartTest rt = (RestartTest) cs2.getComponent( );
Assert.assertFalse( rt.stopped );
Assert.assertFalse( rt.started );
}
}