X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.slc.spring%2Fext%2Ftest%2Forg%2Fargeo%2Fslc%2Fcore%2Ftest%2Fcontext%2FAbstractInternalSpringTestCase.java;fp=org.argeo.slc.spring%2Fext%2Ftest%2Forg%2Fargeo%2Fslc%2Fcore%2Ftest%2Fcontext%2FAbstractInternalSpringTestCase.java;h=61eb3b2b3352fe75a0c8a2a12e943c759f6f1c23;hb=e14154d2baba78852915304d51cbb56bed1d3d3e;hp=0000000000000000000000000000000000000000;hpb=aba0f1135009d9014c42368ecea338088e6d2be1;p=gpl%2Fargeo-slc.git

diff --git a/org.argeo.slc.spring/ext/test/org/argeo/slc/core/test/context/AbstractInternalSpringTestCase.java b/org.argeo.slc.spring/ext/test/org/argeo/slc/core/test/context/AbstractInternalSpringTestCase.java
new file mode 100644
index 000000000..61eb3b2b3
--- /dev/null
+++ b/org.argeo.slc.spring/ext/test/org/argeo/slc/core/test/context/AbstractInternalSpringTestCase.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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.argeo.slc.core.test.context;
+
+import java.util.Map;
+
+import junit.framework.TestCase;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.slc.SlcException;
+import org.springframework.beans.factory.BeanFactoryUtils;
+import org.springframework.beans.factory.ListableBeanFactory;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/** Helper for tests using a Spring application context. */
+public abstract class AbstractInternalSpringTestCase extends TestCase {
+	protected final Log log = LogFactory.getLog(getClass());
+	private ConfigurableApplicationContext context;
+
+	/**
+	 * Gets (and create if necessary) the application context to use. Default
+	 * implementation uses a class path xml application context and calls
+	 * {@link #getApplicationContextLocation()}.
+	 */
+	protected ConfigurableApplicationContext getContext() {
+		if (context == null) {
+			context = new ClassPathXmlApplicationContext(
+					getApplicationContextLocation());
+		}
+		return context;
+	}
+
+	/** Returns a bean from the underlying context */
+	@SuppressWarnings(value = { "unchecked" })
+	protected <T> T getBean(String beanId) {
+		return (T) getContext().getBean(beanId);
+	}
+
+	protected <T> T getBean(Class<? extends T> clss) {
+		T bean = loadSingleFromContext(getContext(), clss);
+		if (bean == null) {
+			throw new SlcException("Cannot retrieve a unique bean of type "
+					+ clss);
+		} else {
+			return bean;
+		}
+	}
+
+	/**
+	 * Th location of the application to load. The default implementation
+	 * returns <i>applicationContext.xml</i> found in the same package as the
+	 * test.
+	 */
+	protected String getApplicationContextLocation() {
+		return inPackage("applicationContext.xml");
+	}
+
+	/**
+	 * Prefixes the package of the class after converting the '.' to '/' in
+	 * order to have a resource path.
+	 */
+	protected String inPackage(String suffix) {
+		String prefix = getClass().getPackage().getName().replace('.', '/');
+		return prefix + '/' + suffix;
+	}
+
+	@SuppressWarnings(value = { "unchecked" })
+	protected <T> T loadSingleFromContext(ListableBeanFactory context,
+			Class<T> clss) {
+		Map<String, T> beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(
+				context, clss, false, false);
+		if (beans.size() == 1) {
+			return beans.values().iterator().next();
+		} else if (beans.size() > 1) {
+			if (log.isDebugEnabled()) {
+				log
+						.debug(("Found more that on bean for type " + clss
+								+ ": " + beans.keySet()));
+			}
+			return null;
+		} else {
+			return null;
+		}
+	}
+
+}