added databasecomponent and now using Derby in the unit tests.

As a result, no external Mysql database must be setup before running
the unit tests. It is now checkout and go!!

diff --git a/support/general/src/test/java/org/wamblee/persistence/Database.java b/support/general/src/test/java/org/wamblee/persistence/Database.java
index 39dffed1f39e43dd6223bb492b7242e941230e79..5b0ae98cb476d390f552590b0c8c0fec5388f7ff 100644 (file)
--- a/support/general/src/test/java/org/wamblee/persistence/Database.java
+++ b/support/general/src/test/java/org/wamblee/persistence/Database.java
@@ -12,66 +12,68 @@
  * 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.persistence;
 
 import java.sql.Connection;
 import java.sql.SQLException;
 
-
 /**
  * Represents a database.
- *
+ * 
  * @author Erik Brakkee
  */
 public interface Database {
     /**
-     * Starts a database. This call should not block and return
-     * as soon as the database has been started.
-     * @throws Exception
+     * Starts a database. This call should not block and return as soon as the
+     * database has been started.
      */
-    void start(  ) throws Exception;
+    void start();
 
     /**
      * Gets the Jdbc Url to connect to this database.
+     * 
      * @return Jdbc Url.
      */
-    String getJdbcUrl(  );
-    
+    String getJdbcUrl();
+
     /**
-     * Gets the external Jdbc URL to connect to this database from other JVMs. 
+     * Gets the external Jdbc URL to connect to this database from other JVMs.
      */
     String getExternalJdbcUrl();
-    
+
     /**
-     * Gets the driver class name used to connect to the database from another JVM.  
-     * @return Driver class name. 
+     * Gets the driver class name used to connect to the database from another
+     * JVM.
+     * 
+     * @return Driver class name.
      */
-    String getDriverClassName(); 
-    
+    String getDriverClassName();
+
     /**
-     * Gets the username to connect to the database. 
-     * @return username. 
+     * Gets the username to connect to the database.
+     * 
+     * @return username.
      */
-    String getUsername(); 
-    
+    String getUsername();
+
     /**
-     * Gets the password to connect to the database. 
-     * @return password. 
+     * Gets the password to connect to the database.
+     * 
+     * @return password.
      */
-    String getPassword(); 
+    String getPassword();
 
     /**
-     * Creates a new database connection. It is the caller's
-     * responsibility to close this connection.
-     *
+     * Creates a new database connection. It is the caller's responsibility to
+     * close this connection.
+     * 
      * @return Newly created database connection.
      */
-    Connection createConnection(  ) throws SQLException;
+    Connection createConnection() throws SQLException;
 
     /**
      * Stops a database.
-     * @throws Exception
      */
-    void stop(  ) throws Exception;
+    void stop();
 }

diff --git a/support/general/src/test/java/org/wamblee/persistence/DerbyDatabase.java b/support/general/src/test/java/org/wamblee/persistence/DerbyDatabase.java
index 1385defd1c0cab3646ec0feb871e2732547cf132..86d9bc5c98022cdabef0954f9ceacd543694f0d8 100644 (file)
--- a/support/general/src/test/java/org/wamblee/persistence/DerbyDatabase.java
+++ b/support/general/src/test/java/org/wamblee/persistence/DerbyDatabase.java
@@ -12,7 +12,7 @@
  * 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.persistence;
 
 import java.io.File;
@@ -30,28 +30,30 @@ import org.apache.derby.jdbc.EmbeddedDriver;
 import org.apache.log4j.Logger;
 import org.wamblee.io.FileSystemUtils;
 
-
 /**
- * Derby database setup.
- * The external JDBC url used to connect to a running instance is
+ * Derby database setup. The external JDBC url used to connect to a running
+ * instance is
+ * 
  * <pre>
  *     jdbc:derby:net://localhost:1527/testdb 
  * </pre>
+ * 
  * and the driver class is
+ * 
  * <pre>
- *     com.ibm.db2.jcc.DB2Driver
+ * com.ibm.db2.jcc.DB2Driver
  * </pre>
- * The following jars will have to be used
- * <code>db2jcc.jar</code> and <code>db2jcc_license_c.jar</code>.
+ * 
+ * The following jars will have to be used <code>db2jcc.jar</code> and
+ * <code>db2jcc_license_c.jar</code>.
  */
 public class DerbyDatabase implements Database {
-    
+
     /**
      * Logger.
      */
-    private static final Logger LOGGER 
-        = Logger.getLogger( DerbyDatabase.class );
-    
+    private static final Logger LOGGER = Logger.getLogger(DerbyDatabase.class);
+
     /**
      * Database user name.
      */
@@ -87,167 +89,175 @@ public class DerbyDatabase implements Database {
      * {@link #DATABASE_PATH}.
      */
     private static final String SYSTEM_PATH_PROPERTY = "derby.system.home";
-    
+
     /**
-     * Constructs derby database class to allow creation of derby
-     * database instances.
+     * Constructs derby database class to allow creation of derby database
+     * instances.
      */
-    public DerbyDatabase(  ) {
+    public DerbyDatabase() {
         // Empty
     }
 
     /*
      * (non-Javadoc)
+     * 
      * @see org.wamblee.persistence.Database#start()
      */
-    public void start(  ) throws Exception {
-        // just in case a previous run was killed without the 
-        // cleanup
-        cleanPersistentStorage(  );
-
-        // set database path.
-        Properties lProperties = System.getProperties(  );
-        lProperties.put( SYSTEM_PATH_PROPERTY, DATABASE_PATH );
-        
-        Class.forName( "org.apache.derby.jdbc.EmbeddedDriver" ).newInstance(  );
-        
-        runDatabase(  );
-
-        waitUntilStartedOrStopped( true );
-
-        // Force creation of the database.
-        Connection lConnection = createConnection(  );
-        lConnection.close(  );
+    public void start() {
+        try {
+            // just in case a previous run was killed without the
+            // cleanup
+            cleanPersistentStorage();
+
+            // set database path.
+            Properties lProperties = System.getProperties();
+            lProperties.put(SYSTEM_PATH_PROPERTY, DATABASE_PATH);
+
+            Class.forName("org.apache.derby.jdbc.EmbeddedDriver").newInstance();
+
+            runDatabase();
+
+            waitUntilStartedOrStopped(true);
+
+            // Force creation of the database.
+            Connection lConnection = createConnection();
+            lConnection.close();
+        } catch (Exception e) {
+            throw new RuntimeException("Problem starting database", e);
+        }
     }
 
     /**
      * Waits until the database server has started or stopped.
-     *
+     * 
      * @param aStarted
      *            If true, waits until the server is up, if false, waits until
      *            the server is down.
      * @throws InterruptedException
      */
-    private void waitUntilStartedOrStopped( boolean aStarted )
-        throws InterruptedException {
+    private void waitUntilStartedOrStopped(boolean aStarted)
+            throws InterruptedException {
         long lWaited = 0;
 
-        while ( aStarted != isStarted(  ) ) {
-            Thread.sleep( POLL_INTERVAL );
+        while (aStarted != isStarted()) {
+            Thread.sleep(POLL_INTERVAL);
             lWaited += POLL_INTERVAL;
 
-            if ( lWaited > MAX_WAIT_TIME ) {
-                throw new RuntimeException( 
-                    "Derby database did not start within " + MAX_WAIT_TIME
-                    + "ms" );
+            if (lWaited > MAX_WAIT_TIME) {
+                throw new RuntimeException(
+                        "Derby database did not start within " + MAX_WAIT_TIME
+                                + "ms");
             }
         }
     }
 
     /**
      * Checks if the database server has started or not.
-     *
+     * 
      * @return True if started, false otherwise.
      */
-    private boolean isStarted(  ) {
+    private boolean isStarted() {
         try {
-            getControl(  ).ping(  );
+            getControl().ping();
 
             return true;
-        } catch ( Exception e ) {
+        } catch (Exception e) {
             return false;
         }
     }
 
     /**
      * Gets the controller for the database server.
-     *
+     * 
      * @return Controller.
      * @throws Exception
      */
-    private NetworkServerControl getControl(  ) throws Exception {
-        return new NetworkServerControl(  );
+    private NetworkServerControl getControl() throws Exception {
+        return new NetworkServerControl();
     }
 
     /**
      * Runs the database.
-     *
+     * 
      */
-    private void runDatabase(  ) {
+    private void runDatabase() {
         try {
-            getControl(  ).start( new PrintWriter( System.out ) );
-        } catch ( Exception e ) {
-            throw new RuntimeException( e );
+            getControl().start(new PrintWriter(System.out));
+        } catch (Exception e) {
+            throw new RuntimeException(e);
         }
     }
 
-   /*
-    * (non-Javadoc)
-    * @see org.wamblee.persistence.Database#getJdbcUrl()
-    */
-    public String getJdbcUrl(  ) {
-        return getBaseJdbcUrl(  )
-        + ";create=true;retrieveMessagesFromServerOnGetMessage=true;";
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.wamblee.persistence.Database#getJdbcUrl()
+     */
+    public String getJdbcUrl() {
+        return getBaseJdbcUrl()
+                + ";create=true;retrieveMessagesFromServerOnGetMessage=true;";
     }
 
-    private String getBaseJdbcUrl(  ) {
+    private String getBaseJdbcUrl() {
         return "jdbc:derby:" + DATABASE_NAME;
     }
-    
+
     /*
      * (non-Javadoc)
+     * 
      * @see org.wamblee.persistence.Database#getExternalJdbcUrl()
      */
-    public String getExternalJdbcUrl( ) {
+    public String getExternalJdbcUrl() {
         return "jdbc:derby:net://localhost:1527/" + DATABASE_NAME;
     }
 
     /**
      * Shuts down the derby database and cleans up all created files.
-     *
+     * 
      */
-    private void shutdownDerby(  ) {
+    private void shutdownDerby() {
         try {
-            DriverManager.getConnection( "jdbc:derby:;shutdown=true" );
-            throw new RuntimeException( 
-                "Derby did not shutdown, " 
-                    + " should always throw exception at shutdown" );
-        } catch ( Exception e ) {
-            LOGGER.info( "Derby has been shut down." );
+            DriverManager.getConnection("jdbc:derby:;shutdown=true");
+            throw new RuntimeException("Derby did not shutdown, "
+                    + " should always throw exception at shutdown");
+        } catch (Exception e) {
+            LOGGER.info("Derby has been shut down.");
         }
     }
-    
-   /*
-    * (non-Javadoc)
-    * @see org.wamblee.persistence.Database#getDriverClassName()
-    */
-    public String getDriverClassName( ) {
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.wamblee.persistence.Database#getDriverClassName()
+     */
+    public String getDriverClassName() {
         return ClientDriver.class.getName();
     }
 
     /**
      * Gets the user name.
      */
-    public String getUsername(  ) {
+    public String getUsername() {
         return USERNAME;
     }
 
     /**
      * Gets the password.
+     * 
      * @return
      */
-    public String getPassword(  ) {
+    public String getPassword() {
         return PASSWORD;
     }
 
-   /*
-    * (non-Javadoc)
-    * @see org.wamblee.persistence.Database#createConnection()
-    */
-    public Connection createConnection(  ) throws SQLException {
-        Connection c =
-            DriverManager.getConnection( getJdbcUrl(  ), getUsername(  ),
-                getPassword(  ) );
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.wamblee.persistence.Database#createConnection()
+     */
+    public Connection createConnection() throws SQLException {
+        Connection c = DriverManager.getConnection(getJdbcUrl(), getUsername(),
+                getPassword());
 
         return c;
     }
@@ -255,31 +265,35 @@ public class DerbyDatabase implements Database {
     /**
      * Stops the derby database and cleans up all derby files.
      */
-    public void stop(  ) throws Exception {
-        // shutdown network server.
-        getControl(  ).shutdown(  );
-        waitUntilStartedOrStopped( false );
-
-        // shutdown inmemory access.
-        shutdownDerby(  );
-        cleanPersistentStorage(  );
+    public void stop() {
+        try {
+            // shutdown network server.
+            getControl().shutdown();
+            waitUntilStartedOrStopped(false);
+
+            // shutdown inmemory access.
+            shutdownDerby();
+            cleanPersistentStorage();
+        } catch (Exception e) {
+            LOGGER.warn("Problem stopping database", e);
+        }
     }
 
     /**
      * Cleans up persistent storage of Derby.
      */
-    private void cleanPersistentStorage(  ) {
-        File lFile = new File( DATABASE_PATH );
+    private void cleanPersistentStorage() {
+        File lFile = new File(DATABASE_PATH);
 
-        if ( lFile.isFile(  ) ) {
-            TestCase.fail( "A regular file by the name " + DATABASE_PATH
-                + " exists, clean this up first" );
+        if (lFile.isFile()) {
+            TestCase.fail("A regular file by the name " + DATABASE_PATH
+                    + " exists, clean this up first");
         }
 
-        if ( !lFile.isDirectory(  ) ) {
-            return; // no-op already cleanup up. 
+        if (!lFile.isDirectory()) {
+            return; // no-op already cleanup up.
         }
 
-        FileSystemUtils.deleteDirRecursively( DATABASE_PATH );
+        FileSystemUtils.deleteDirRecursively(DATABASE_PATH);
     }
 }

diff --git a/support/general/src/test/java/org/wamblee/persistence/OracleDatabase.java b/support/general/src/test/java/org/wamblee/persistence/OracleDatabase.java
index a091dbcb1a58787372b1f01f522a98bd4606558a..6b82c6320770e63e8d40b40f65d5f38190f7efff 100644 (file)
--- a/support/general/src/test/java/org/wamblee/persistence/OracleDatabase.java
+++ b/support/general/src/test/java/org/wamblee/persistence/OracleDatabase.java
@@ -12,47 +12,47 @@
  * 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.persistence;
 
 import java.sql.Connection;
 import java.sql.SQLException;
 
 public class OracleDatabase implements Database {
-    
+
     public OracleDatabase() {
         super();
     }
 
-    public void start( ) throws Exception {
-       System.out.println("Oracle must be started externally");
+    public void start() {
+        System.out.println("Oracle must be started externally");
     }
 
-    public String getJdbcUrl( ) {
+    public String getJdbcUrl() {
         return null;
     }
 
-    public String getExternalJdbcUrl( ) {
+    public String getExternalJdbcUrl() {
         return null;
     }
 
-    public String getDriverClassName( ) {
+    public String getDriverClassName() {
         return null;
     }
 
-    public String getUsername( ) {
+    public String getUsername() {
         return null;
     }
 
-    public String getPassword( ) {
+    public String getPassword() {
         return null;
     }
 
-    public Connection createConnection( ) throws SQLException {
+    public Connection createConnection() throws SQLException {
         return null;
     }
 
-    public void stop( ) throws Exception {
+    public void stop() {
         System.out.println("Oracle must be stopped externally");
     }