summaryrefslogtreecommitdiff
path: root/israfil-foundation-container/src/test/java/net/israfil/foundation/container/DefaultContainerTest.java
diff options
context:
space:
mode:
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.java263
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);
+ }
+ }
+
+
+}