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Diffstat (limited to 'israfil-foundation-container/src/test/java/net/israfil/foundation/container/DefaultContainerTest.java')
| -rw-r--r-- | israfil-foundation-container/src/test/java/net/israfil/foundation/container/DefaultContainerTest.java | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/israfil-foundation-container/src/test/java/net/israfil/foundation/container/DefaultContainerTest.java b/israfil-foundation-container/src/test/java/net/israfil/foundation/container/DefaultContainerTest.java new file mode 100644 index 0000000..1d108b0 --- /dev/null +++ b/israfil-foundation-container/src/test/java/net/israfil/foundation/container/DefaultContainerTest.java @@ -0,0 +1,263 @@ +/* + * Copyright (c) 2008 Israfil Consulting Services Corporation + * Copyright (c) 2008 Christian Edward Gruber + * All Rights Reserved + * + * This software is licensed under the Berkeley Standard Distribution license, + * (BSD license), as defined below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of Israfil Consulting Services nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * $Id: Copyright.java 618 2008-04-14 14:03:03Z christianedwardgruber $ + */ +package net.israfil.foundation.container; + + +import net.israfil.foundation.container.adapters.AbstractAutoWiringAdapter; +import net.israfil.foundation.container.adapters.IndependentAutoWiringAdapter; +import net.israfil.foundation.container.error.ComponentAlreadyRegisteredError; +import net.israfil.foundation.container.error.CouldNotCreateComponentError; +import net.israfil.foundation.container.error.UnsatisfiedDependencyError; + +import org.testng.Assert; +import org.testng.annotations.Test; + +public class DefaultContainerTest { + + + public DefaultContainer createContainer() { return new DefaultContainer(); } + public DefaultContainer createContainer(boolean tf) { return new DefaultContainer(tf); } + public DefaultContainer createContainer(Container c) { return new DefaultContainer(c); } + public DefaultContainer createContainer(Container c, boolean tf) { return new DefaultContainer(c,tf); } + public TestableContainer createTestableContainer() { return new TestableDefaultContainer(); } + + @Test + public void testAutoWiringContainer() { + TestableContainer container = createTestableContainer(); + container.registerType(A.class, A1.class); + container.registerType(B.class,B.adapter); + container.registerType(D.class,D.adapter); // out of order + container.registerType(C.class, new AbstractAutoWiringAdapter( + C.class, + new Object[] {A.class} + ) { + public Object create(Object[] param) throws IllegalAccessException, InstantiationException { + return new C((A)param[0]); + } + }); + container.start(); + Assert.assertFalse(container.isStored(A.class)); + Assert.assertNotNull(container.getComponent(A.class)); + Assert.assertTrue(container.isStored(A.class)); + Assert.assertFalse(container.isStored(B.class)); + Assert.assertNotNull(container.getComponent(B.class)); + Assert.assertTrue(container.isStored(B.class)); + Assert.assertFalse(container.isStored(C.class)); + Assert.assertFalse(container.isStored(D.class)); + Assert.assertNotNull(container.getComponent(D.class)); + Assert.assertTrue(container.isStored(C.class)); + Assert.assertTrue(container.isStored(D.class)); + } + + @Test(expectedExceptions=UnsatisfiedDependencyError.class) + public void testMissingDependenciesFailingLate() { + AutoWiringAdaptableContainer container = createContainer(); + container.registerType(B.class,B.adapter); + container.start(); + Assert.assertTrue(container.isRunning()); + container.getComponent(B.class); + } + + @Test + public void testDelayedFailureWithMissingDependencies() { + AutoWiringAdaptableContainer container = createContainer(); + container.registerType(B.class,B.adapter); + container.start(); + } + + @Test(expectedExceptions=UnsatisfiedDependencyError.class) + public void testMissingDependenciesFailingEarly() { + AutoWiringAdaptableContainer container = createContainer(true); + container.registerType(B.class,B.adapter); + container.start(); + } + + @Test + public void testMultipleStartups() { + AutoWiringAdaptableContainer container = createContainer(true); + container.registerType(A.class,A1.class); + container.registerType(B.class,B.adapter); + container.start(); + Assert.assertTrue(container.isRunning()); + container.start(); // no error. + } + + @Test(expectedExceptions=RuntimeException.class) + public void testStartupWithUnstartedParent() { + AutoWiringAdaptableContainer parent = createContainer(); + AutoWiringAdaptableContainer child = createContainer(parent); + parent.registerType(A.class,A1.class); + child.registerType(B.class,B.adapter); + child.start(); // failed to start parent. + } + + @Test(expectedExceptions=ComponentAlreadyRegisteredError.class) + public void testDuplicateRegistration() { + AutoWiringAdaptableContainer container = createContainer(); + container.registerType(A.class,A1.class); + container.registerType(A.class,new AutoWiringAdapter() { + public Object create(Object[] parameters) throws IllegalAccessException, InstantiationException { + return null; + } + public Object[] dependencies() { return null; } + public Class getType() { return null; } + }); + } + + @Test(expectedExceptions=RuntimeException.class) + public void testRegistryFailureAfterStart() { + AutoWiringAdaptableContainer container = createContainer(); + container.registerType(A.class,A1.class); + container.registerType(B.class,B.adapter); + container.start(); + container.registerType(D.class,D.adapter); + } + + @Test(expectedExceptions=CouldNotCreateComponentError.class) + public void testIllegalAccessDuringConstruction() { + AutoWiringAdaptableContainer container = createContainer(true); + container.registerType(ComponentWithProtectedConstructor.class,ComponentWithProtectedConstructor.class); + container.start(); + } + + @Test(expectedExceptions=CouldNotCreateComponentError.class) + public void testInstantiationErrorDuringConstruction() { + AutoWiringAdaptableContainer container = createContainer(true); + container.registerType(A.class,A.class); + container.start(); + } + + @Test(expectedExceptions=CouldNotCreateComponentError.class) + public void testNullComponentCreation() { + AutoWiringAdaptableContainer container = createContainer(true); + container.registerType(A.class,new IndependentAutoWiringAdapter(A.class) { + public Object create(Object[] param) throws IllegalAccessException, InstantiationException { + return null; + } + }); + container.start(); + } + + @Test(expectedExceptions=CouldNotCreateComponentError.class) + public void testArbitraryErrorInComponentCreation() { + AutoWiringAdaptableContainer container = createContainer(true); + container.registerType(A.class,new IndependentAutoWiringAdapter(A.class) { + public Object create(Object[] param) throws IllegalAccessException, InstantiationException { + throw new RuntimeException("Random error"); + } + }); + container.start(); + } + + + @Test + public void testAutowiringWithDependencyInParentContainerWithEarlyInstantiation() { + AutoWiringAdaptableContainer parent = createContainer(true); + AutoWiringAdaptableContainer child = createContainer(parent,true); + parent.registerType(A.class,A1.class); + child.registerType(B.class,B.adapter); + parent.start(); + child.start(); + Assert.assertNotNull(child.getComponent(B.class)); + } + + @Test + public void testAutowiringWithDependencyInParentContainerWithLateIntantiation() { + AutoWiringAdaptableContainer parent = createContainer(); + AutoWiringAdaptableContainer child = createContainer(parent); + parent.registerType(A.class,A1.class); + child.registerType(B.class,B.adapter); + parent.start(); + child.start(); + Assert.assertNotNull(child.getComponent(B.class)); + } + + public static abstract class A { + } + public static class A1 extends A { + } + public static class B { + private final A a; + public B(A a) { + if (a==null) throw new IllegalArgumentException("B cannot support null constructor arguments."); + this.a = a; + } + public static final AutoWiringAdapter adapter = new AbstractAutoWiringAdapter( + B.class, + new Object[] {A.class} + ) { + public Object create(Object[] param) throws IllegalAccessException, InstantiationException { + return new B((A)param[0]); + } + }; + } + public static class C { + private final A a; + public C(A a) { + if (a==null) throw new IllegalArgumentException("C cannot support null constructor arguments."); + this.a = a; + } + } + public static class D { + private final C c; + public D(C c) { + if (c==null) throw new IllegalArgumentException("D cannot support null constructor arguments."); + this.c = c; + } + public static final AutoWiringAdapter adapter = new AbstractAutoWiringAdapter( + D.class, + new Object[] {C.class} + ) { + public Object create(Object[] param) throws IllegalAccessException, InstantiationException { + return new D((C)param[0]); + } + }; + } + + public static class ComponentWithProtectedConstructor { + protected ComponentWithProtectedConstructor() {} + } + + public static interface TestableContainer extends AutoWiringAdaptableContainer { + public boolean isStored(Object key); + } + + public static class TestableDefaultContainer extends DefaultContainer implements TestableContainer { + public boolean isStored(Object key) { + return super.isStored(key); + } + } + + +} |
