import java.io.IOException;
import java.io.Serializable;
+import java.util.ArrayList;
import java.util.Arrays;
+import java.util.List;
import junit.framework.TestCase;
import org.easymock.classextension.ConstructorArgs;
import org.easymock.classextension.EasyMock;
import org.easymock.classextension.IMocksControl;
+import org.wamblee.general.Pair;
import org.wamblee.test.AssertionUtils;
import org.wamblee.test.EasyMockMatchers;
import org.wamblee.test.EventTracker;
public class ContainerTest extends TestCase {
- private EventTracker<String> _tracker;
-
- @Override
- protected void setUp() throws Exception {
- super.setUp();
- _tracker = new EventTracker<String>();
- }
-
- private static class MyMultiple implements Serializable, Runnable {
- @Override
- public void run() {
- // Empty
- }
- }
-
- public void testFilterProvided() {
- RequiredInterface req1 = new DefaultRequiredInterface("name",
- Runnable.class);
- RequiredInterface req2 = new DefaultRequiredInterface("name",
- Serializable.class);
- ProvidedInterface prov1 = new DefaultProvidedInterface("name",
- Runnable.class);
- ProvidedInterface prov2 = new DefaultProvidedInterface("name",
- Serializable.class);
- ProvidedInterface prov3 = new DefaultProvidedInterface("name",
- MyMultiple.class);
-
- AssertionUtils.assertEquals(new RequiredInterface[] { req1 }, Container
- .filterRequiredServices(prov1, Arrays
- .asList(new RequiredInterface[] { req1 })));
- AssertionUtils.assertEquals(new RequiredInterface[] { req1 }, Container
- .filterRequiredServices(prov1, Arrays
- .asList(new RequiredInterface[] { req1, req2 })));
- AssertionUtils.assertEquals(new RequiredInterface[] { req1, req2 },
- Container.filterRequiredServices(prov3, Arrays
- .asList(new RequiredInterface[] { req1, req2 })));
-
- AssertionUtils.assertEquals(new ProvidedInterface[] { prov1 },
- Container.filterProvidedServices(req1, Arrays
- .asList(new ProvidedInterface[] { prov1 })));
- AssertionUtils.assertEquals(new ProvidedInterface[] { prov1 },
- Container.filterProvidedServices(req1, Arrays
- .asList(new ProvidedInterface[] { prov1, prov2 })));
- AssertionUtils.assertEquals(new ProvidedInterface[] { prov1, prov3 },
- Container.filterProvidedServices(req1, Arrays
- .asList(new ProvidedInterface[] { prov1, prov3 })));
- }
-
- public void testEnvironmentApplication() {
- Environment environment = new Environment(_tracker);
- Application application = new Application(_tracker);
- Container container = new Container("root", new Component[] {
- environment, application }, new ProvidedInterface[0],
- new RequiredInterface[0]);
- Scope scope = container.start();
- assertTrue(container.isSealed());
- AssertionUtils.assertEquals(new String[] { "start.environment",
- "start.application" }, _tracker.getEvents(
- Thread.currentThread()).toArray(new String[0]));
- assertEquals(0, scope.getProvidedInterfaces().length);
-
- assertEquals(environment.getString(), application.getString());
- assertEquals(environment.getInteger(), application.getInteger());
-
- }
-
- public void testEnvironmentApplicationSimpleConstructor() {
- Environment environment = new Environment(_tracker);
- Application application = new Application(_tracker);
- Container container = new Container("root").
- addComponent(environment).addComponent(application);
-
- Scope scope = container.start();
- AssertionUtils.assertEquals(new String[] { "start.environment",
- "start.application" }, _tracker.getEvents(
- Thread.currentThread()).toArray(new String[0]));
- assertEquals(0, scope.getProvidedInterfaces().length);
-
- assertEquals(environment.getString(), application.getString());
- assertEquals(environment.getInteger(), application.getInteger());
-
- }
-
- public void testApplicationEnvironment() {
- try {
- Component environment = new Environment();
- Component application = new Application();
- Container container = new Container("root", new Component[] {
- application, environment }, new ProvidedInterface[0],
- new RequiredInterface[0]);
- container.start();
- } catch (SystemAssemblyException e) {
- // e.printStackTrace();
- return;
- }
- fail();
- }
-
- public void testComposite() {
- Component environment = new Environment(_tracker);
- Component application = new Application(_tracker);
- assertEquals(0, _tracker.getEventCount());
-
- Container system = new Container("all", new Component[] { environment,
- application }, new ProvidedInterface[0],
- new RequiredInterface[0]);
- Scope runtime = system.start();
- RequiredInterface[] required = system.getRequiredInterfaces();
- assertEquals(0, required.length);
- ProvidedInterface[] provided = system.getProvidedInterfaces();
- assertEquals(0, provided.length);
-
- AssertionUtils.assertEquals(new String[] { "start.environment",
- "start.application" }, _tracker.getEvents(
- Thread.currentThread()).toArray(new String[0]));
- _tracker.clear();
-
- system.stop(runtime);
- AssertionUtils.assertEquals(new String[] { "stop.application",
- "stop.environment" }, _tracker
- .getEvents(Thread.currentThread()).toArray(new String[0]));
-
- }
-
- public void testCompositeWithWrongProvidedInfo() {
- try {
- Component environment = new Environment();
- Component application = new Application();
- Container system = new Container("all", new Component[] {
- environment, application },
- new ProvidedInterface[] { new DefaultProvidedInterface(
- "float", Float.class) },
- new DefaultRequiredInterface[0]);
- system.validate();
- } catch (SystemAssemblyException e) {
- return;
- }
- fail();
- }
-
- public void testCompositeRequiredInterfaceNotProvided() {
- try {
- Component environment = new Environment();
- Component application = new Application();
- Container system = new Container("all", new Component[] {
- environment, application }, new ProvidedInterface[0],
- new RequiredInterface[] { new DefaultRequiredInterface(
- "string", String.class) });
- system.start();
- } catch (SystemAssemblyException e) {
- return;
- }
- fail();
- }
-
- public void testCompositeWithSuperfluousRequiredInfo() {
- Component environment = new Environment();
- Component application = new Application();
- Container system = new Container("all", new Component[] { environment,
- application }, new ProvidedInterface[0],
- new RequiredInterface[] { new DefaultRequiredInterface(
- "float", Float.class) });
- system.getRequiredInterfaces()[0]
- .setProvider(new DefaultProvidedInterface("hallo", Float.class));
- system.start();
- RequiredInterface[] required = system.getRequiredInterfaces();
- assertEquals(1, required.length);
- ProvidedInterface[] provided = system.getProvidedInterfaces();
- assertEquals(0, provided.length);
- }
-
- public void testCompositeWithExternalDependencesNotProvided() {
- try {
- Component environment = new Environment();
- Component application = new Application();
- Container system = new Container("all",
- new Component[] { application }, new ProvidedInterface[0],
- application.getRequiredInterfaces());
- system.start();
- } catch (SystemAssemblyException e) {
- return;
- }
- fail();
-
- }
-
- public void testDuplicateComponent() {
- try {
- Component comp1 = new Application();
- Component comp2 = new Application();
- Container system = new Container("top");
- system.addComponent(comp1).addComponent(comp2);
- } catch (SystemAssemblyException e) {
- return;
- }
- fail();
- }
-
-
- public void testInconsistentHierarchy() {
- try {
- Component comp = new Application();
- Container system = new Container("top").addComponent(comp);
- Container system2 = new Container("top2").addComponent(comp);
- } catch (SystemAssemblyException e) {
- return;
- }
- fail();
- }
-
- public void testCompositeWithExternalDependencesProvided() {
-
- Component environment = new Environment();
- Component application = new Application();
- Container system = new Container("all",
- new Component[] { application }, new ProvidedInterface[0],
- application.getRequiredInterfaces());
- environment.start(new DefaultScope(new ProvidedInterface[0]));
- system.getRequiredInterfaces()[0].setProvider(environment
- .getProvidedInterfaces()[0]);
- system.getRequiredInterfaces()[1].setProvider(environment
- .getProvidedInterfaces()[1]);
-
- system.start();
- RequiredInterface[] required = system.getRequiredInterfaces();
- assertEquals(2, required.length);
- ProvidedInterface[] provided = system.getProvidedInterfaces();
- assertEquals(0, provided.length);
-
- }
-
- public void testAmbiguousInterfaces() {
- try {
- Component environment1 = new Environment();
- Component environment2 = new Environment();
- Component application = new Application();
- Container container = new Container("root", new Component[] {
- environment1, environment2, application },
- new ProvidedInterface[0], new RequiredInterface[0]);
- container.start();
-
- } catch (SystemAssemblyException e) {
- return;
- }
- fail();
- }
-
- public void testIncompleteRequirements() {
- try {
- Component application = new Application();
- Container system = new Container("all",
- new Component[] { application }, new ProvidedInterface[0],
- new RequiredInterface[0]);
- system.start();
- } catch (SystemAssemblyException e) {
- return;
- }
- fail();
- }
-
- public void testEnvironmentApplicationRollbackOnException()
- throws Exception {
- IMocksControl control = EasyMock.createStrictControl();
-
- Environment environment = new Environment(_tracker);
- Application application = control.createMock(Application.class,
- new ConstructorArgs(Application.class.getConstructor()),
- Application.class.getDeclaredMethod("doStart", Scope.class));
-
- application.doStart(EasyMockMatchers.anyObject(Scope.class));
- EasyMock.expectLastCall().andThrow(new RuntimeException());
- control.replay();
-
- try {
- Container container = new Container("root", new Component[] {
- environment, application }, new ProvidedInterface[0],
- new RequiredInterface[0]);
-
- container.start();
- } catch (RuntimeException e) {
- AssertionUtils.assertEquals(new String[] { "start.environment",
- "stop.environment" }, _tracker.getEvents(
- Thread.currentThread()).toArray(new String[0]));
- return;
- }
- fail();
- }
-
- public void testEnvironmentApplicationRollbackOnExceptionWithExceptionOnStop()
- throws Exception {
- IMocksControl control = EasyMock.createControl();
-
- Environment environment = new Environment(_tracker);
- // Application 1 will throw an exception while stopping.
- Application application1 = control.createMock(Application.class,
- new ConstructorArgs(Application.class.getConstructor()),
- Application.class.getDeclaredMethod("doStop", Object.class));
-
- application1.doStop(EasyMock.anyObject());
- EasyMock.expectLastCall().andThrow(new RuntimeException());
-
- // application 2 will throw an exception while starting
- Application application2 = control.createMock(Application.class,
- new ConstructorArgs(Application.class.getConstructor(String.class), "application2"),
- Application.class.getDeclaredMethod("doStart", Scope.class));
-
- application2.doStart(EasyMockMatchers.anyObject(Scope.class));
- EasyMock.expectLastCall().andThrow(new RuntimeException());
-
- control.replay();
-
- try {
- Container container = new Container("root", new Component[] {
- environment, application1, application2 }, new ProvidedInterface[0],
- new RequiredInterface[0]);
-
- container.start();
- } catch (RuntimeException e) {
- AssertionUtils.assertEquals(new String[] { "start.environment",
- "stop.environment" }, _tracker.getEvents(
- Thread.currentThread()).toArray(new String[0]));
- return;
- }
- fail();
- }
-
- public void testOptionalRequiredInterfaceProvidedOptionalInternal() {
- Application application = new Application(true);
- Container container = new Container("top", new Component[] { application },
- new ProvidedInterface[0], Application.required(true));
- Environment env = new Environment();
- container.getRequiredInterfaces()[0].setProvider(
- env.getProvidedInterfaces()[0]);
- container.getRequiredInterfaces()[1].setProvider(
- env.getProvidedInterfaces()[1]);
- Scope external = new DefaultScope(env.getProvidedInterfaces());
- env.start(external);
-
- container.start(external);
- assertSame(env.getProvidedInterfaces()[0], container.getRequiredInterfaces()[0].getProvider());
- assertSame(env.getProvidedInterfaces()[1], container.getRequiredInterfaces()[1].getProvider());
- assertSame(env.getProvidedInterfaces()[0], application.getRequiredInterfaces()[0].getProvider());
- assertSame(env.getProvidedInterfaces()[1], application.getRequiredInterfaces()[1].getProvider());
- }
-
- public void testOptionalRequiredInterfaceNotProvidedOptionalInternal() {
- Application application = new Application(true);
- Container container = new Container("top", new Component[] { application },
- new ProvidedInterface[0], Application.required(true));
- Environment env = new Environment();
- container.getRequiredInterfaces()[0].setProvider(
- env.getProvidedInterfaces()[0]);
- Scope external = new DefaultScope(new ProvidedInterface[0]);
- external.publishInterface(env.getProvidedInterfaces()[0], env.getString());
- container.start(external);
- assertSame(env.getProvidedInterfaces()[0], container.getRequiredInterfaces()[0].getProvider());
- assertNull(container.getRequiredInterfaces()[1].getProvider());
- assertSame(env.getProvidedInterfaces()[0], application.getRequiredInterfaces()[0].getProvider());
- assertNull(application.getRequiredInterfaces()[1].getProvider());
- }
-
- public void testOptionalRequiredInterfaceProvidedMandatoryInternal() {
- Application application = new Application();
- Container container = new Container("top", new Component[] { application },
- new ProvidedInterface[0], Application.required(true));
- Environment env = new Environment();
- container.getRequiredInterfaces()[0].setProvider(
- env.getProvidedInterfaces()[0]);
- container.getRequiredInterfaces()[1].setProvider(
- env.getProvidedInterfaces()[1]);
- container.start();
- assertSame(env.getProvidedInterfaces()[0], container.getRequiredInterfaces()[0].getProvider());
- assertSame(env.getProvidedInterfaces()[1], container.getRequiredInterfaces()[1].getProvider());
- assertSame(env.getProvidedInterfaces()[0], application.getRequiredInterfaces()[0].getProvider());
- assertSame(env.getProvidedInterfaces()[1], application.getRequiredInterfaces()[1].getProvider());
- }
-
- public void testSealed() {
- final Container container = new Container("xx");
- assertFalse(container.isSealed());
- container.start();
- assertTrue(container.isSealed());
-
- AssertionUtils.assertException(new AssertionUtils.ErroneousCode() {
- @Override
- public void run() throws Exception {
- container.addComponent(new Application());
- }
- }, SystemAssemblyException.class);
-
- AssertionUtils.assertException(new AssertionUtils.ErroneousCode() {
- @Override
- public void run() throws Exception {
- container.addProvidedInterface(new DefaultProvidedInterface("xx", String.class));
- }
- }, SystemAssemblyException.class);
-
- AssertionUtils.assertException(new AssertionUtils.ErroneousCode() {
- @Override
- public void run() throws Exception {
- container.addRequiredInterface(new DefaultRequiredInterface("xx", String.class));
- }
- }, SystemAssemblyException.class);
- }
+ private EventTracker<String> _tracker;
+
+ @Override
+ protected void setUp() throws Exception {
+ super.setUp();
+ _tracker = new EventTracker<String>();
+ }
+
+ private static class MyMultiple implements Serializable, Runnable {
+ @Override
+ public void run() {
+ // Empty
+ }
+ }
+
+ private List<Pair<ProvidedInterface, Component>> createProvidedInput(
+ ProvidedInterface[] aProvided, Component aProvider) {
+ List<Pair<ProvidedInterface, Component>> result = new ArrayList<Pair<ProvidedInterface, Component>>();
+ for (ProvidedInterface provided : aProvided) {
+ result.add(new Pair<ProvidedInterface, Component>(provided,
+ aProvider));
+ }
+ return result;
+ }
+
+ public void testFilterProvided() {
+ RequiredInterface req1 = new DefaultRequiredInterface("name",
+ Runnable.class);
+ RequiredInterface req2 = new DefaultRequiredInterface("name",
+ Serializable.class);
+ ProvidedInterface prov1 = new DefaultProvidedInterface("name",
+ Runnable.class);
+ ProvidedInterface prov2 = new DefaultProvidedInterface("name",
+ Serializable.class);
+ ProvidedInterface prov3 = new DefaultProvidedInterface("name",
+ MyMultiple.class);
+
+ Component client = new Application("client");
+ Component dummy = new Application("dummy");
+
+ InterfaceRestriction noRestriction = new InterfaceRestriction() {
+ @Override
+ public boolean isViolated(Component aClient,
+ RequiredInterface aRequired, Component aServer,
+ ProvidedInterface aProvided) {
+ return false;
+ }
+ };
+
+ AssertionUtils.assertEquals(new ProvidedInterface[] { prov1 },
+ Container.filterProvidedServices(client, req1,
+ createProvidedInput(new ProvidedInterface[] { prov1 }, dummy), noRestriction));
+ AssertionUtils.assertEquals(new ProvidedInterface[] { prov1 },
+ Container.filterProvidedServices(client, req1,
+ createProvidedInput(new ProvidedInterface[] { prov1, prov2 }, dummy), noRestriction));
+ AssertionUtils.assertEquals(new ProvidedInterface[] { prov1, prov3 },
+ Container.filterProvidedServices(client, req1,
+ createProvidedInput(new ProvidedInterface[] { prov1, prov3 }, dummy), noRestriction));
+
+ InterfaceRestriction everything = new InterfaceRestriction() {
+ @Override
+ public boolean isViolated(Component aClient,
+ RequiredInterface aRequired, Component aServer,
+ ProvidedInterface aProvided) {
+ return true;
+ }
+ };
+ AssertionUtils.assertEquals(new ProvidedInterface[0],
+ Container.filterProvidedServices(client, req1,
+ createProvidedInput(new ProvidedInterface[] { prov1, prov3 }, dummy), everything));
+
+ }
+
+ public void testEnvironmentApplication() {
+ Environment environment = new Environment(_tracker);
+ Application application = new Application(_tracker);
+ Container container = new Container("root", new Component[] {
+ environment, application }, new ProvidedInterface[0],
+ new RequiredInterface[0]);
+ Scope scope = container.start();
+ assertTrue(container.isSealed());
+ AssertionUtils.assertEquals(new String[] { "start.environment",
+ "start.application" }, _tracker.getEvents(
+ Thread.currentThread()).toArray(new String[0]));
+ assertEquals(0, scope.getProvidedInterfaces().length);
+
+ assertEquals(environment.getString(), application.getString());
+ assertEquals(environment.getInteger(), application.getInteger());
+
+ }
+
+ public void testEnvironmentApplicationSimpleConstructor() {
+ Environment environment = new Environment(_tracker);
+ Application application = new Application(_tracker);
+ Container container = new Container("root").addComponent(environment)
+ .addComponent(application);
+
+ Scope scope = container.start();
+ AssertionUtils.assertEquals(new String[] { "start.environment",
+ "start.application" }, _tracker.getEvents(
+ Thread.currentThread()).toArray(new String[0]));
+ assertEquals(0, scope.getProvidedInterfaces().length);
+
+ assertEquals(environment.getString(), application.getString());
+ assertEquals(environment.getInteger(), application.getInteger());
+
+ }
+
+ public void testApplicationEnvironment() {
+ try {
+ Component environment = new Environment();
+ Component application = new Application();
+ Container container = new Container("root", new Component[] {
+ application, environment }, new ProvidedInterface[0],
+ new RequiredInterface[0]);
+ container.start();
+ } catch (SystemAssemblyException e) {
+ // e.printStackTrace();
+ return;
+ }
+ fail();
+ }
+
+ public void testComposite() {
+ Component environment = new Environment(_tracker);
+ Component application = new Application(_tracker);
+ assertEquals(0, _tracker.getEventCount());
+
+ Container system = new Container("all", new Component[] { environment,
+ application }, new ProvidedInterface[0],
+ new RequiredInterface[0]);
+ Scope runtime = system.start();
+ RequiredInterface[] required = system.getRequiredInterfaces();
+ assertEquals(0, required.length);
+ ProvidedInterface[] provided = system.getProvidedInterfaces();
+ assertEquals(0, provided.length);
+
+ AssertionUtils.assertEquals(new String[] { "start.environment",
+ "start.application" }, _tracker.getEvents(
+ Thread.currentThread()).toArray(new String[0]));
+ _tracker.clear();
+
+ system.stop(runtime);
+ AssertionUtils.assertEquals(new String[] { "stop.application",
+ "stop.environment" }, _tracker
+ .getEvents(Thread.currentThread()).toArray(new String[0]));
+
+ }
+
+ public void testCompositeWithWrongProvidedInfo() {
+ try {
+ Component environment = new Environment();
+ Component application = new Application();
+ Container system = new Container("all", new Component[] {
+ environment, application },
+ new ProvidedInterface[] { new DefaultProvidedInterface(
+ "float", Float.class) },
+ new DefaultRequiredInterface[0]);
+ system.validate();
+ } catch (SystemAssemblyException e) {
+ return;
+ }
+ fail();
+ }
+
+ public void testCompositeRequiredInterfaceNotProvided() {
+ try {
+ Component environment = new Environment();
+ Component application = new Application();
+ Container system = new Container("all", new Component[] {
+ environment, application }, new ProvidedInterface[0],
+ new RequiredInterface[] { new DefaultRequiredInterface(
+ "string", String.class) });
+ system.start();
+ } catch (SystemAssemblyException e) {
+ return;
+ }
+ fail();
+ }
+
+ public void testCompositeWithSuperfluousRequiredInfo() {
+ Component environment = new Environment();
+ Component application = new Application();
+ Container system = new Container("all", new Component[] { environment,
+ application }, new ProvidedInterface[0],
+ new RequiredInterface[] { new DefaultRequiredInterface("float",
+ Float.class) });
+ system.getRequiredInterfaces()[0]
+ .setProvider(new DefaultProvidedInterface("hallo", Float.class));
+ system.start();
+ RequiredInterface[] required = system.getRequiredInterfaces();
+ assertEquals(1, required.length);
+ ProvidedInterface[] provided = system.getProvidedInterfaces();
+ assertEquals(0, provided.length);
+ }
+
+ public void testCompositeWithExternalDependencesNotProvided() {
+ try {
+ Component environment = new Environment();
+ Component application = new Application();
+ Container system = new Container("all",
+ new Component[] { application }, new ProvidedInterface[0],
+ application.getRequiredInterfaces());
+ system.start();
+ } catch (SystemAssemblyException e) {
+ return;
+ }
+ fail();
+
+ }
+
+ public void testDuplicateComponent() {
+ try {
+ Component comp1 = new Application();
+ Component comp2 = new Application();
+ Container system = new Container("top");
+ system.addComponent(comp1).addComponent(comp2);
+ } catch (SystemAssemblyException e) {
+ return;
+ }
+ fail();
+ }
+
+ public void testInconsistentHierarchy() {
+ try {
+ Component comp = new Application();
+ Container system = new Container("top").addComponent(comp);
+ Container system2 = new Container("top2").addComponent(comp);
+ } catch (SystemAssemblyException e) {
+ return;
+ }
+ fail();
+ }
+
+ public void testCompositeWithExternalDependencesProvided() {
+
+ Component environment = new Environment();
+ Component application = new Application();
+ Container system = new Container("all",
+ new Component[] { application }, new ProvidedInterface[0],
+ application.getRequiredInterfaces());
+ environment.start(new DefaultScope(new ProvidedInterface[0]));
+ system.getRequiredInterfaces()[0].setProvider(environment
+ .getProvidedInterfaces()[0]);
+ system.getRequiredInterfaces()[1].setProvider(environment
+ .getProvidedInterfaces()[1]);
+
+ system.start();
+ RequiredInterface[] required = system.getRequiredInterfaces();
+ assertEquals(2, required.length);
+ ProvidedInterface[] provided = system.getProvidedInterfaces();
+ assertEquals(0, provided.length);
+
+ }
+
+ public void testAmbiguousInterfaces() {
+ try {
+ Component environment1 = new Environment();
+ Component environment2 = new Environment();
+ Component application = new Application();
+ Container container = new Container("root", new Component[] {
+ environment1, environment2, application },
+ new ProvidedInterface[0], new RequiredInterface[0]);
+ container.start();
+
+ } catch (SystemAssemblyException e) {
+ return;
+ }
+ fail();
+ }
+
+ public void testIncompleteRequirements() {
+ try {
+ Component application = new Application();
+ Container system = new Container("all",
+ new Component[] { application }, new ProvidedInterface[0],
+ new RequiredInterface[0]);
+ system.start();
+ } catch (SystemAssemblyException e) {
+ return;
+ }
+ fail();
+ }
+
+ public void testEnvironmentApplicationRollbackOnException()
+ throws Exception {
+ IMocksControl control = EasyMock.createStrictControl();
+
+ Environment environment = new Environment(_tracker);
+ Application application = control.createMock(Application.class,
+ new ConstructorArgs(Application.class.getConstructor()),
+ Application.class.getDeclaredMethod("doStart", Scope.class));
+
+ application.doStart(EasyMockMatchers.anyObject(Scope.class));
+ EasyMock.expectLastCall().andThrow(new RuntimeException());
+ control.replay();
+
+ try {
+ Container container = new Container("root", new Component[] {
+ environment, application }, new ProvidedInterface[0],
+ new RequiredInterface[0]);
+
+ container.start();
+ } catch (RuntimeException e) {
+ AssertionUtils.assertEquals(new String[] { "start.environment",
+ "stop.environment" }, _tracker.getEvents(
+ Thread.currentThread()).toArray(new String[0]));
+ return;
+ }
+ fail();
+ }
+
+ public void testEnvironmentApplicationRollbackOnExceptionWithExceptionOnStop()
+ throws Exception {
+ IMocksControl control = EasyMock.createControl();
+
+ Environment environment = new Environment(_tracker);
+ // Application 1 will throw an exception while stopping.
+ Application application1 = control.createMock(Application.class,
+ new ConstructorArgs(Application.class.getConstructor()),
+ Application.class.getDeclaredMethod("doStop", Object.class));
+
+ application1.doStop(EasyMock.anyObject());
+ EasyMock.expectLastCall().andThrow(new RuntimeException());
+
+ // application 2 will throw an exception while starting
+ Application application2 = control.createMock(Application.class,
+ new ConstructorArgs(Application.class
+ .getConstructor(String.class), "application2"),
+ Application.class.getDeclaredMethod("doStart", Scope.class));
+
+ application2.doStart(EasyMockMatchers.anyObject(Scope.class));
+ EasyMock.expectLastCall().andThrow(new RuntimeException());
+
+ control.replay();
+
+ try {
+ Container container = new Container("root", new Component[] {
+ environment, application1, application2 },
+ new ProvidedInterface[0], new RequiredInterface[0]);
+
+ container.start();
+ } catch (RuntimeException e) {
+ AssertionUtils.assertEquals(new String[] { "start.environment",
+ "stop.environment" }, _tracker.getEvents(
+ Thread.currentThread()).toArray(new String[0]));
+ return;
+ }
+ fail();
+ }
+
+ public void testOptionalRequiredInterfaceProvidedOptionalInternal() {
+ Application application = new Application(true);
+ Container container = new Container("top",
+ new Component[] { application }, new ProvidedInterface[0],
+ Application.required(true));
+ Environment env = new Environment();
+ container.getRequiredInterfaces()[0].setProvider(env
+ .getProvidedInterfaces()[0]);
+ container.getRequiredInterfaces()[1].setProvider(env
+ .getProvidedInterfaces()[1]);
+ Scope external = new DefaultScope(env.getProvidedInterfaces());
+ env.start(external);
+
+ container.start(external);
+ assertSame(env.getProvidedInterfaces()[0], container
+ .getRequiredInterfaces()[0].getProvider());
+ assertSame(env.getProvidedInterfaces()[1], container
+ .getRequiredInterfaces()[1].getProvider());
+ assertSame(env.getProvidedInterfaces()[0], application
+ .getRequiredInterfaces()[0].getProvider());
+ assertSame(env.getProvidedInterfaces()[1], application
+ .getRequiredInterfaces()[1].getProvider());
+ }
+
+ public void testOptionalRequiredInterfaceNotProvidedOptionalInternal() {
+ Application application = new Application(true);
+ Container container = new Container("top",
+ new Component[] { application }, new ProvidedInterface[0],
+ Application.required(true));
+ Environment env = new Environment();
+ container.getRequiredInterfaces()[0].setProvider(env
+ .getProvidedInterfaces()[0]);
+ Scope external = new DefaultScope(new ProvidedInterface[0]);
+ external.publishInterface(env.getProvidedInterfaces()[0], env
+ .getString());
+ container.start(external);
+ assertSame(env.getProvidedInterfaces()[0], container
+ .getRequiredInterfaces()[0].getProvider());
+ assertNull(container.getRequiredInterfaces()[1].getProvider());
+ assertSame(env.getProvidedInterfaces()[0], application
+ .getRequiredInterfaces()[0].getProvider());
+ assertNull(application.getRequiredInterfaces()[1].getProvider());
+ }
+
+ public void testOptionalRequiredInterfaceProvidedMandatoryInternal() {
+ Application application = new Application();
+ Container container = new Container("top",
+ new Component[] { application }, new ProvidedInterface[0],
+ Application.required(true));
+ Environment env = new Environment();
+ container.getRequiredInterfaces()[0].setProvider(env
+ .getProvidedInterfaces()[0]);
+ container.getRequiredInterfaces()[1].setProvider(env
+ .getProvidedInterfaces()[1]);
+ container.start();
+ assertSame(env.getProvidedInterfaces()[0], container
+ .getRequiredInterfaces()[0].getProvider());
+ assertSame(env.getProvidedInterfaces()[1], container
+ .getRequiredInterfaces()[1].getProvider());
+ assertSame(env.getProvidedInterfaces()[0], application
+ .getRequiredInterfaces()[0].getProvider());
+ assertSame(env.getProvidedInterfaces()[1], application
+ .getRequiredInterfaces()[1].getProvider());
+ }
+
+ public void testSealed() {
+ final Container container = new Container("xx");
+ assertFalse(container.isSealed());
+ container.start();
+ assertTrue(container.isSealed());
+
+ AssertionUtils.assertException(new AssertionUtils.ErroneousCode() {
+ @Override
+ public void run() throws Exception {
+ container.addComponent(new Application());
+ }
+ }, SystemAssemblyException.class);
+
+ AssertionUtils.assertException(new AssertionUtils.ErroneousCode() {
+ @Override
+ public void run() throws Exception {
+ container.addRestriction(new InterfaceRestriction() {
+ @Override
+ public boolean isViolated(Component aClient,
+ RequiredInterface aRequired, Component aServer,
+ ProvidedInterface aProvided) {
+ return false;
+ }
+ });
+ }
+ }, SystemAssemblyException.class);
+ AssertionUtils.assertException(new AssertionUtils.ErroneousCode() {
+ @Override
+ public void run() throws Exception {
+ container.addProvidedInterface(new DefaultProvidedInterface(
+ "xx", String.class));
+ }
+ }, SystemAssemblyException.class);
+
+ AssertionUtils.assertException(new AssertionUtils.ErroneousCode() {
+ @Override
+ public void run() throws Exception {
+ container.addRequiredInterface(new DefaultRequiredInterface(
+ "xx", String.class));
+ }
+ }, SystemAssemblyException.class);
+ }
+
+ public void testRestriction() {
+ Environment env1 = new Environment("env1");
+ Environment env2 = new Environment("env2");
+ Application app = new Application("app");
+ Container container = new Container("top").addComponent(env1)
+ .addComponent(env2).addComponent(app);
+ container.addRestriction(new DefaultInterfaceRestriction("app", null,
+ "env1", null));
+ container.start();
+ assertEquals(env1.getString(), app.getString());
+ assertFalse(env2.getString().equals(app.getString()));
+ }
}