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[utils] / support / general / src / test / java / org / wamblee / ioc / BeanKernelTest.java

diff --git a/support/general/src/test/java/org/wamblee/ioc/BeanKernelTest.java b/support/general/src/test/java/org/wamblee/ioc/BeanKernelTest.java
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+/*
+ * Copyright 2005-2010 the original author or authors.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */ 
+package org.wamblee.ioc;
+
+
+import junit.framework.TestCase;
+
+/**
+ * Tests the bean kernel. The lookup of the bean factory itself can be tested
+ * only partially. Using a global property file for all test cases would tie all
+ * test cases together therefore no global property file is used.
+ * 
+ * @author Erik Brakkee
+ */
+public class BeanKernelTest extends TestCase {
+    /**
+     * Loads the bean factory based on a property file configuration. Verifies
+     * the correct bean factory is loaded.
+     * 
+     */
+    public void testLoadBeanFactoryFromProperties() {
+        BeanFactory factory = BeanKernel
+            .lookupBeanFactory("org/wamblee/general/beankernel.properties");
+        assertTrue(factory instanceof TestBeanFactory);
+    }
+
+    /**
+     * Loads the bean factory based on a non-existing property file. Verifies
+     * that BeanFactoryException is thrown.
+     * 
+     */
+    public void testNonExistentPropertyFile() {
+        try {
+            BeanKernel
+                .lookupBeanFactory("org/wamblee/general/beankernel-nonexistent.properties");
+        } catch (BeanFactoryException e) {
+            return; // ok
+        }
+
+        fail();
+    }
+
+    /**
+     * Loads the bean factory based on a property file with a non-existing bean
+     * factory defined in it. Verifies that BeanFactoryException is thrown.
+     * 
+     */
+    public void testNonExistentBeanFactory() {
+        try {
+            BeanKernel
+                .lookupBeanFactory("org/wamblee/general/beankernel-wrong.properties");
+        } catch (BeanFactoryException e) {
+            return; // ok
+        }
+
+        fail();
+    }
+
+    /**
+     * Retrieves a bean factory throug the bean kernel. Verifies that beans can
+     * be retrieved.
+     * 
+     */
+    public void testRetrieveFactory() {
+        BeanKernel.overrideBeanFactory(new TestBeanFactory()); // bypass
+        // default
+        // property
+        // lookup
+
+        BeanFactory factory = BeanKernel.getBeanFactory();
+        assertNotNull(factory);
+        assertEquals("hello", factory.find(String.class));
+    }
+}