Apply the database configuration testing to the documentation module

Author: vladmihalcea

documentation/documentation.gradle

@@ -1,3 +1,4 @@
+import org.apache.tools.ant.filters.ReplaceTokens
 import org.asciidoctor.gradle.AsciidoctorTask
 /*
  * Hibernate, Relational Persistence for Idiomatic Java
@@ -69,8 +70,27 @@ dependencies {
 testCompile( project(path: ':hibernate-entitymanager', configuration: 'tests') )
 
 testRuntime( libraries.h2 )
+testRuntime( libraries.hsqldb )
+testRuntime( libraries.postgresql )
+testRuntime( libraries.mysql )
 }
 
+processTestResources.doLast( {
+copy {
+from( sourceSets.test.java.srcDirs ) {
+include '**/*.properties'
+include '**/*.xml'
+}
+into sourceSets.test.output.classesDir
+}
+copy {
+ext.targetDir = file( "${buildDir}/resources/test" )
+from file('src/test/resources')
+into targetDir
+filter( ReplaceTokens, tokens: dbBundle[db] );
+}
+} )
+
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // grouping tasks - declaration, see below for task dependency definitions
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

documentation/src/test/resources/hibernate.properties

@@ -5,10 +5,11 @@
 # See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 #
 
-hibernate.dialect org.hibernate.dialect.H2Dialect
-hibernate.connection.driver_class org.h2.Driver
-hibernate.connection.url jdbc:h2:mem:db1;DB_CLOSE_DELAY=-1;LOCK_TIMEOUT=10000
-hibernate.connection.username sa
+hibernate.dialect @db.dialect@
+hibernate.connection.driver_class @jdbc.driver@
+hibernate.connection.url @jdbc.url@
+hibernate.connection.username @jdbc.user@
+hibernate.connection.password @jdbc.pass@
 
 hibernate.connection.pool_size 5