OPENJPA-2876 unit test to show wrong SQL

sqlAction=refresh right now also generates the full DB.
diff --git a/openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/src/test/java/org/apache/openjpa/tools/maven/test/ModifyDatabaseTest.java b/openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/src/test/java/org/apache/openjpa/tools/maven/test/ModifyDatabaseTest.java
deleted file mode 100644
index 4e8b408..0000000
--- a/openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/src/test/java/org/apache/openjpa/tools/maven/test/ModifyDatabaseTest.java
+++ /dev/null
@@ -1,70 +0,0 @@
-package org.apache.openjpa.tools.maven.test;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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.
- */
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.util.Arrays;
-
-import javax.persistence.EntityManager;
-import javax.persistence.EntityManagerFactory;
-import javax.persistence.Persistence;
-
-import org.apache.openjpa.enhance.PersistenceCapable;
-import org.apache.openjpa.tools.maven.testentity.TestEntity;
-
-import junit.framework.TestCase;
-
-public class ModifyDatabaseTest extends TestCase {
-
-
-    /**
-     * check if the generated classes have been enhanced.
-     * @throws Exception
-     */
-    public void testDatabaseWrite() throws Exception
-    {
-        EntityManagerFactory emf = Persistence.createEntityManagerFactory( "TestUnit" );
-        assertNotNull( emf );
-
-        EntityManager em = emf.createEntityManager();
-        assertNotNull( em );
-
-        try
-        {
-            em.getTransaction().begin();
-
-            TestEntity entity = new TestEntity();
-            entity.setInt1( 4711 );
-            entity.setString1( "myVal" );
-
-            em.persist( entity );
-            em.getTransaction().commit();
-        }
-        finally
-        {
-            em.close();
-        }
-    }
-
-}
diff --git a/openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/pom.xml.disabled b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/pom.xml
similarity index 64%
rename from openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/pom.xml.disabled
rename to openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/pom.xml
index 26fe129..2ec2d61 100644
--- a/openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/pom.xml.disabled
+++ b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/pom.xml
@@ -24,14 +24,17 @@
 
     <modelVersion>4.0.0</modelVersion>
 
+
     <groupId>org.apache.openjpa.tools.openjpa-maven-plugin.testing</groupId>
     <artifactId>modifyDatabase</artifactId>
     <version>1.0-SNAPSHOT</version>
+
     <dependencies>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.2</version>
+            <version>4.13.2</version>
+            <scope>test</scope>
         </dependency>
 
         <dependency>
@@ -41,16 +44,23 @@
         </dependency>
 
         <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.11</version>
+            <groupId>org.hsqldb</groupId>
+            <artifactId>hsqldb</artifactId>
+            <version>@hsqldb.version@</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-dbcp2</artifactId>
+            <version>@dbcp2.version@</version>
         </dependency>
     </dependencies>
 
     <build>
         <plugins>
             <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.5.1</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>
@@ -60,10 +70,10 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>sql-maven-plugin</artifactId>
-                <version>1.4</version>
+                <version>1.5</version>
                 <executions>
                     <execution>
-                        <id>dropdatabase</id>
+                        <id>initialdb</id>
                         <phase>process-resources</phase>
                         <goals>
                             <goal>execute</goal>
@@ -71,17 +81,20 @@
                     </execution>
                 </executions>
                 <configuration>
-                    <driver>com.mysql.jdbc.Driver</driver>
-                    <url>jdbc:mysql://localhost/testdb</url>
-                    <username>root</username>
-                    <enableAnonymousPassword>true</enableAnonymousPassword>
-                    <sqlCommand>DROP TABLE TestEntity;</sqlCommand>
+                    <driver>org.hsqldb.jdbcDriver</driver>
+                    <url>jdbc:hsqldb:file:target/openjpa-hsqldb;hsqldb.lock_file=false</url>
+                    <username>SA</username>
+                    <password></password>
+                    <srcFiles>
+                        <srcFile>src/main/sql/database.sql</srcFile>
+                    </srcFiles>
+                    <escapeProcessing>false</escapeProcessing>
                 </configuration>
                 <dependencies>
                     <dependency>
-                        <groupId>mysql</groupId>
-                        <artifactId>mysql-connector-java</artifactId>
-                        <version>5.1.11</version>
+                        <groupId>org.hsqldb</groupId>
+                        <artifactId>hsqldb</artifactId>
+                        <version>@hsqldb.version@</version>
                     </dependency>
                 </dependencies>
             </plugin>
@@ -96,14 +109,16 @@
                         org/apache/openjpa/tools/maven/testentity/TestEntity.class
                     </include>
                     <sqlAction>refresh</sqlAction>
-                    <modifyDatabase>true</modifyDatabase>
+                    <connectionDriverName>org.apache.commons.dbcp2.BasicDataSource</connectionDriverName>
                     <connectionProperties>
-                        driverClass=com.mysql.jdbc.Driver,
-                        jdbcUrl=jdbc:mysql://localhost/testdb,
-                        user=root,
+                        driverClassName=org.hsqldb.jdbcDriver,
+                        url=jdbc:hsqldb:file:target/openjpa-hsqldb;hsqldb.lock_file=false,
+                        username=SA,
                         password=
                     </connectionProperties>
-
+                    <toolProperties>
+                        <DBDictionary>org.apache.openjpa.jdbc.sql.HSQLDictionary</DBDictionary>
+                    </toolProperties>
                 </configuration>
                 <executions>
                     <execution>
@@ -117,9 +132,14 @@
                 </executions>
                 <dependencies>
                     <dependency>
-                        <groupId>mysql</groupId>
-                        <artifactId>mysql-connector-java</artifactId>
-                        <version>5.1.11</version>
+                        <groupId>org.hsqldb</groupId>
+                        <artifactId>hsqldb</artifactId>
+                        <version>@hsqldb.version@</version>
+                    </dependency>
+                    <dependency>
+                        <groupId>org.apache.commons</groupId>
+                        <artifactId>commons-dbcp2</artifactId>
+                        <version>@dbcp2.version@</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/src/main/java/org/apache/openjpa/tools/maven/testentity/TestEntity.java b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/main/java/org/apache/openjpa/tools/maven/testentity/TestEntity.java
similarity index 87%
rename from openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/src/main/java/org/apache/openjpa/tools/maven/testentity/TestEntity.java
rename to openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/main/java/org/apache/openjpa/tools/maven/testentity/TestEntity.java
index f008ad9..285324b 100644
--- a/openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/src/main/java/org/apache/openjpa/tools/maven/testentity/TestEntity.java
+++ b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/main/java/org/apache/openjpa/tools/maven/testentity/TestEntity.java
@@ -19,18 +19,25 @@
  * under the License.
  */
 
+import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.Id;
+import javax.persistence.Table;
 
 
 @Entity
+@Table(name="TEST_ENTITY")
 public class TestEntity {
 
   @Id
   private int xint1;
 
+  @Column(name="SOME_VALUE")
   private String string1;
 
+  @Column(name="VAL2", length=100)
+  private String val2;
+
   public int getInt1() {
     return xint1;
   }
diff --git a/openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/src/main/resources/META-INF/persistence.xml b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/main/resources/META-INF/persistence.xml
similarity index 83%
rename from openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/src/main/resources/META-INF/persistence.xml
rename to openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/main/resources/META-INF/persistence.xml
index e4bfd7e..6bdeabb 100644
--- a/openjpa-tools/openjpa-maven-plugin/src/it/modifyDatabase/src/main/resources/META-INF/persistence.xml
+++ b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/main/resources/META-INF/persistence.xml
@@ -19,15 +19,15 @@
 
     <!-- simply all annotated persistent entities will be part of this unit-->
     <persistence-unit name="TestUnit">
-
+        <class>org.apache.openjpa.tools.maven.testentity.TestEntity</class>
+<!-- TODO REMOVE
         <properties>
-            <property name="openjpa.jdbc.DBDictionary" value="mysql" />
-            <property name="openjpa.ConnectionDriverName" value="com.mysql.jdbc.Driver" />
-            <property name="openjpa.ConnectionURL" value="jdbc:mysql://localhost/testdb" />
-            <property name="openjpa.ConnectionUserName" value="root" />
+            <property name="openjpa.ConnectionDriverName" value="org.hsqldb.jdbcDriver" />
+            <property name="openjpa.ConnectionURL" value="jdbc:hsqldb:file:openjpa-hsqldb" />
+            <property name="openjpa.ConnectionUserName" value="SA" />
             <property name="openjpa.ConnectionPassword" value="" />
-
         </properties>
+-->
 
     </persistence-unit>
 
diff --git a/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/main/sql/database.sql b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/main/sql/database.sql
new file mode 100644
index 0000000..3aa8daa
--- /dev/null
+++ b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/main/sql/database.sql
@@ -0,0 +1,2 @@
+CREATE TABLE TEST_ENTITY -- TestEntity
+(xint1 INTEGER NOT NULL, SOME_VALUE VARCHAR(255), PRIMARY KEY (xint1));
diff --git a/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/test/java/org/apache/openjpa/tools/maven/test/ItRefreshSchemaTest.java b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/test/java/org/apache/openjpa/tools/maven/test/ItRefreshSchemaTest.java
new file mode 100644
index 0000000..d89037b
--- /dev/null
+++ b/openjpa-tools/openjpa-maven-plugin/src/it/sqlActionRefresh/src/test/java/org/apache/openjpa/tools/maven/test/ItRefreshSchemaTest.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.openjpa.tools.maven.test;
+
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+public class ItRefreshSchemaTest {
+
+    /** contains the directory where all generated results are placed */
+    private final static String TARGET_DIR = "target";
+
+    /** the file containing the generated SQL syntax */
+    private final static String SQL_FILE = "database.sql";
+
+    /** if the SQL generation has been successful, the following result should be in the SQL file */
+    private final static String VALID_SQL = "ALTER TABLE TEST_ENTITY ADD COLUMN VAL2 VARCHAR(100);";
+
+    /**
+     * check if the generated SQL script is correct.
+     * @throws Exception
+     */
+    @Test
+    public void testSqlGeneration() throws Exception
+    {
+        File sqlFile = new File( TARGET_DIR, SQL_FILE );
+        BufferedReader in = new BufferedReader( new FileReader( sqlFile ) );
+        String sqlIn = in.readLine();
+        assertEquals( VALID_SQL, sqlIn );
+        sqlIn = in.readLine();
+        assertTrue(sqlIn == null || sqlIn.trim().length() == 0);
+    }
+
+}
diff --git a/pom.xml b/pom.xml
index 3591c5e..90f61ba 100644
--- a/pom.xml
+++ b/pom.xml
@@ -86,7 +86,7 @@
         <mssql.connector.version>9.2.1.jre8</mssql.connector.version>
 
         <!-- other common versions -->
-        <kubernetes-client.version>4.7.0</kubernetes-client.version>
+        <kubernetes-client.version>5.4.1</kubernetes-client.version>
         <slf4j.version>1.7.23</slf4j.version>
         <!-- Compile Java source/target class level -->
         <compile.class.source>${java.class.version}</compile.class.source>
@@ -105,6 +105,7 @@
 
         <jmock.version>2.9.0</jmock.version>
         <automatic-module-name>-SUBMODULES-NEED-TO-OVERRIDE-THIS-</automatic-module-name>
+        <dbcp2.version>2.8.0</dbcp2.version>
     </properties>
 
     <licenses>
@@ -1786,7 +1787,7 @@
             <dependency>
                 <groupId>org.apache.commons</groupId>
                 <artifactId>commons-dbcp2</artifactId>
-                <version>2.8.0</version>
+                <version>${dbcp2.version}</version>
             </dependency>
             <dependency>
                 <groupId>javax.xml.bind</groupId>