Add unit tests for the LogKitLogger.

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/logging/trunk@381234 13f79535-47bb-0310-9956-ffa450edef68

src/test/org/apache/commons/logging/logkit/StandardTestCase.java

@@ -0,0 +1,156 @@
+/*
+ * Copyright 2006 The Apache Software Foundation.
+ * 
+ * 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.apache.commons.logging.logkit;
+
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.commons.logging.PathableClassLoader;
+import org.apache.commons.logging.PathableTestSuite;
+import org.apache.commons.logging.impl.LogKitLogger;
+
+/**
+ * Basic tests for Avalon LogKit logger adapter.
+ */
+
+public class StandardTestCase extends TestCase {
+
+
+    // ----------------------------------------------------- Instance Variables
+
+
+    /**
+     * <p>The {@link LogFactory} implementation we have selected.</p>
+     */
+    protected LogFactory factory = null;
+
+
+    /**
+     * <p>The {@link Log} implementation we have selected.</p>
+     */
+    protected Log log = null;
+
+
+    // ------------------------------------------- JUnit Infrastructure Methods
+
+
+    /**
+     * Return the tests included in this test suite.
+     */
+    public static Test suite() throws Exception {
+        Class thisClass = StandardTestCase.class;
+
+        PathableClassLoader loader = new PathableClassLoader(null);
+        loader.useSystemLoader("junit.");
+        loader.addLogicalLib("testclasses");
+        loader.addLogicalLib("commons-logging");
+        loader.addLogicalLib("logkit");
+
+        Class testClass = loader.loadClass(thisClass.getName());
+        return new PathableTestSuite(testClass, loader);
+    }
+
+    /**
+     * Set up instance variables required by this test case.
+     */
+    public void setUp() throws Exception {
+        LogFactory.releaseAll();
+
+        System.setProperty(
+                "org.apache.commons.logging.Log",
+                "org.apache.commons.logging.impl.LogKitLogger");
+
+        factory = LogFactory.getFactory();
+        log = LogFactory.getLog("TestLogger");
+    }
+
+    /**
+     * Tear down instance variables required by this test case.
+     */
+    public void tearDown() {
+        log = null;
+        factory = null;
+        LogFactory.releaseAll();
+    }
+
+    // ----------------------------------------------------------- Test Methods
+
+    // Test pristine LogFactory instance
+    public void testPristineFactory() {
+
+        assertNotNull("LogFactory exists", factory);
+        assertEquals("LogFactory class",
+                     "org.apache.commons.logging.impl.LogFactoryImpl",
+                     factory.getClass().getName());
+
+        String names[] = factory.getAttributeNames();
+        assertNotNull("Names exists", names);
+        assertEquals("Names empty", 0, names.length);
+    }
+
+    // Test pristine Log instance
+    public void testPristineLog() {
+        checkStandard();
+    }
+
+    // Test Serializability of standard instance
+    public void testSerializable() throws Exception {
+        checkStandard();
+
+        // Serialize and deserialize the instance
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        ObjectOutputStream oos = new ObjectOutputStream(baos);
+        oos.writeObject(log);
+        oos.close();
+        ByteArrayInputStream bais =
+            new ByteArrayInputStream(baos.toByteArray());
+        ObjectInputStream ois = new ObjectInputStream(bais);
+        log = (Log) ois.readObject();
+        ois.close();
+
+        checkStandard();
+    }
+
+
+    // -------------------------------------------------------- Support Methods
+
+    // Check the standard log instance
+    protected void checkStandard() {
+
+        assertNotNull("Log exists", log);
+        assertEquals("Log class",
+                     "org.apache.commons.logging.impl.LogKitLogger",
+                     log.getClass().getName());
+
+        // Can we call level checkers with no exceptions?
+        // Note that by default *everything* is enabled for LogKit
+        assertTrue(log.isTraceEnabled());
+        assertTrue(log.isDebugEnabled());
+        assertTrue(log.isInfoEnabled());
+        assertTrue(log.isWarnEnabled());
+        assertTrue(log.isErrorEnabled());
+        assertTrue(log.isFatalEnabled());
+    }
+}