CCM NG: Tests and fixed bugs found by tests

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@3442 8810af33-2d31-482b-a856-94f89814c4df

ccm-core/src/main/java/org/libreccm/core/GroupMembership.java

@@ -88,7 +88,7 @@ public class GroupMembership implements Serializable {
         if (obj == null) {
             return false;
         }
-        if (getClass() != obj.getClass()) {
+        if (!(obj instanceof GroupMembership)) {
             return false;
         }
         final GroupMembership other = (GroupMembership) obj;

ccm-core/src/main/java/org/libreccm/core/Party.java

@@ -61,8 +61,12 @@ public class Party extends CcmObject implements Serializable {
     }
 
     public List<EmailAddress> getEmailAddresses() {
+        if (emailAddresses == null) {
+            return null;
+        } else {
             return Collections.unmodifiableList(emailAddresses);
         }
+    }
 
     protected void setEmailAddresses(final List<EmailAddress> eMailAddresses) {
         this.emailAddresses = eMailAddresses;
@@ -80,7 +84,8 @@ public class Party extends CcmObject implements Serializable {
         return Collections.unmodifiableList(grantedPermissions);
     }
 
-    protected void setGrantedPermissions(final List<Permission> grantedPermissions) {
+    protected void setGrantedPermissions(
+        final List<Permission> grantedPermissions) {
         this.grantedPermissions = grantedPermissions;
     }
 
@@ -95,7 +100,7 @@ public class Party extends CcmObject implements Serializable {
     @Override
     public int hashCode() {
         int hash = super.hashCode();
-        hash = 41 * hash + Objects.hashCode(this.emailAddresses);
+        hash = 41 * hash + Objects.hashCode(emailAddresses);
         return hash;
     }
 
@@ -108,7 +113,7 @@ public class Party extends CcmObject implements Serializable {
         if (obj == null) {
             return false;
         }
-        if (getClass() != obj.getClass()) {
+        if (!(obj instanceof Party)) {
             return false;
         }
         final Party other = (Party) obj;
@@ -116,7 +121,7 @@ public class Party extends CcmObject implements Serializable {
             return false;
         }
 
-        return Objects.equals(this.emailAddresses, other.getEmailAddresses());
+        return Objects.equals(emailAddresses, other.getEmailAddresses());
     }
 
     @Override

ccm-core/src/main/java/org/libreccm/core/Permission.java

@@ -113,8 +113,12 @@ public class Permission implements Serializable {
     }
 
     public Date getCreationDate() {
+        if (creationDate == null) {
+            return null;
+        } else {
             return new Date(creationDate.getTime());
         }
+    }
 
     public void setCreationDate(final Date creationDate) {
         this.creationDate = new Date(creationDate.getTime());
@@ -148,7 +152,7 @@ public class Permission implements Serializable {
             return false;
         }
 
-        if (getClass() != obj.getClass()) {
+        if (!(obj instanceof Permission)) {
             return false;
         }
         final Permission other = (Permission) obj;
@@ -201,4 +205,5 @@ public class Permission implements Serializable {
                              creationDate,
                              creationIp);
     }
+
 }

ccm-core/src/main/java/org/libreccm/core/PersonName.java

@@ -109,7 +109,7 @@ public class PersonName implements Serializable {
         if (obj == null) {
             return false;
         }
-        if (getClass() != obj.getClass()) {
+        if (!(obj instanceof PersonName)) {
             return false;
         }
         final PersonName other = (PersonName) obj;

ccm-core/src/main/java/org/libreccm/core/Privilege.java

@@ -33,7 +33,7 @@ import javax.persistence.Table;
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @Entity
-@Table(name = "privileges")
+@Table(name = "ccm_privileges")
 public class Privilege implements Serializable {
 
     private static final long serialVersionUID = -3986038536996049440L;
@@ -75,7 +75,7 @@ public class Privilege implements Serializable {
         if (obj == null) {
             return false;
         }
-        if (getClass() != obj.getClass()) {
+        if (!(obj instanceof Privilege)) {
             return false;
         }
         final Privilege other = (Privilege) obj;

ccm-core/src/main/java/org/libreccm/core/Resource.java

@@ -102,7 +102,6 @@ public class Resource extends CcmObject implements Serializable {
 
 //    @Column(name = "resource_type")
 //    private String resourceType;
-
     public LocalizedString getTitle() {
         return title;
     }
@@ -120,8 +119,12 @@ public class Resource extends CcmObject implements Serializable {
     }
 
     public Date getCreated() {
+        if (created == null) {
+            return null;
+        } else {
             return new Date(created.getTime());
         }
+    }
 
     public void setCreated(final Date created) {
         this.created = new Date(created.getTime());
@@ -158,7 +161,6 @@ public class Resource extends CcmObject implements Serializable {
 //    public void setResourceType(final String resourceType) {
 //        this.resourceType = resourceType;
 //    }
-
     @Override
     public int hashCode() {
         int hash = 5;
@@ -174,7 +176,7 @@ public class Resource extends CcmObject implements Serializable {
         if (obj == null) {
             return false;
         }
-        if (getClass() != obj.getClass()) {
+        if (!(obj instanceof Resource)) {
             return false;
         }
         final Resource other = (Resource) obj;
@@ -205,7 +207,7 @@ public class Resource extends CcmObject implements Serializable {
         return super.toString(
             String.format(", title = %s, "
                               + "created = %tF %<tT%s",
-                          title.toString(),
+                          Objects.toString(title),
                           created,
                           data));
     }

ccm-core/src/main/java/org/libreccm/core/Role.java

@@ -118,7 +118,7 @@ public class Role implements Serializable {
         if (obj == null) {
             return false;
         }
-        if (getClass() != obj.getClass()) {
+        if (!(obj instanceof Role)) {
             return false;
         }
         final Role other = (Role) obj;
@@ -126,7 +126,7 @@ public class Role implements Serializable {
             return false;
         }
 
-        if (this.roleId != other.roleId) {
+        if (this.roleId != other.getRoleId()) {
             return false;
         }
         if (!Objects.equals(this.name, other.getName())) {
@@ -156,8 +156,8 @@ public class Role implements Serializable {
                              super.toString(),
                              roleId,
                              name,
-                             sourceGroup.toString(),
+                             Objects.toString(sourceGroup),
-                             implicitGroup.toString());
+                             Objects.toString(implicitGroup));
     }
 
 }

ccm-core/src/main/java/org/libreccm/core/User.java

@@ -192,7 +192,7 @@ public class User extends Party implements Serializable {
         if (obj == null) {
             return false;
         }
-        if (getClass() != obj.getClass()) {
+        if (!(obj instanceof User)) {
             return false;
         }
         final User other = (User) obj;

ccm-core/src/main/java/org/libreccm/core/UserGroup.java

@@ -66,8 +66,12 @@ public class UserGroup extends Party implements Serializable {
     }
 
     public List<Role> getRoles() {
+        if (roles == null) {
+            return null;
+        } else {
             return Collections.unmodifiableList(roles);
         }
+    }
 
     protected void setRoles(final List<Role> roles) {
         this.roles = roles;
@@ -82,8 +86,12 @@ public class UserGroup extends Party implements Serializable {
     }
 
     public List<GroupMembership> getMembers() {
+        if (members == null) {
+            return null;
+        } else {
             return Collections.unmodifiableList(members);
         }
+    }
 
     protected void setMembers(final List<GroupMembership> members) {
         this.members = members;
@@ -99,7 +107,7 @@ public class UserGroup extends Party implements Serializable {
 
     @Override
     public int hashCode() {
-        int hash = 5;
+        int hash = super.hashCode();
         hash = 83 * hash + Objects.hashCode(this.name);
         hash = 83 * hash + Objects.hashCode(this.roles);
         return hash;
@@ -114,7 +122,7 @@ public class UserGroup extends Party implements Serializable {
         if (obj == null) {
             return false;
         }
-        if (getClass() != obj.getClass()) {
+        if (!(obj instanceof UserGroup)) {
             return false;
         }
         final UserGroup other = (UserGroup) obj;
@@ -128,7 +136,8 @@ public class UserGroup extends Party implements Serializable {
         return Objects.equals(this.roles, other.getRoles());
     }
 
-    public boolean canEquals(final Object obj) {
+    @Override
+    public boolean canEqual(final Object obj) {
         return obj instanceof UserGroup;
     }
 

ccm-core/src/test/java/org/libreccm/categorization/EqualsAndHashCodeTest.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2015 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.categorization;
+
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.libreccm.jpautils.EqualsVerifier;
+import org.libreccm.tests.categories.UnitTest;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RunWith(Parameterized.class)
+@org.junit.experimental.categories.Category(UnitTest.class)
+public class EqualsAndHashCodeTest extends EqualsVerifier {
+
+    @Parameterized.Parameters(name = "{0}")
+    public static Collection<Class<?>> data() {
+        return Arrays.asList(new Class<?>[]{
+            Categorization.class,
+            org.libreccm.categorization.Category.class,
+            Domain.class,
+            DomainOwnership.class});
+    }
+
+    public EqualsAndHashCodeTest(final Class<?> entitiesClass) {
+        super(entitiesClass);
+    }
+
+}

ccm-core/src/test/java/org/libreccm/categorization/ToStringTest.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2015 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.categorization;
+
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.libreccm.jpautils.ToStringVerifier;
+import org.libreccm.tests.categories.UnitTest;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RunWith(Parameterized.class)
+@org.junit.experimental.categories.Category(UnitTest.class)
+public class ToStringTest extends ToStringVerifier {
+    
+    @Parameterized.Parameters(name = "{0}")
+    public static Collection<Class<?>> data() {
+        return Arrays.asList(new Class<?>[]{
+            Categorization.class,
+            org.libreccm.categorization.Category.class,
+            Domain.class,
+            DomainOwnership.class});
+    }
+
+    public ToStringTest(final Class<?> entitiesClass) {
+        super(entitiesClass);
+    }
+
+}

ccm-core/src/test/java/org/libreccm/core/CategorizationEntitiesTest.java

@@ -1,39 +0,0 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-package org.libreccm.core;
-
-import java.util.Arrays;
-import java.util.Collection;
-import org.junit.experimental.categories.Category;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.libreccm.categorization.Categorization;
-import org.libreccm.categorization.Domain;
-import org.libreccm.categorization.DomainOwnership;
-import org.libreccm.tests.categories.UnitTest;
-
-/**
- *
- * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
- */
-@RunWith(Parameterized.class)
-@Category(UnitTest.class)
-public class CategorizationEntitiesTest extends EntitiesTestCore {
-
-    @Parameterized.Parameters
-    public static Collection<Class<?>> data() {
-        return Arrays.asList(new Class<?>[]{
-            Categorization.class,
-            org.libreccm.categorization.Category.class,
-            Domain.class,
-            DomainOwnership.class});
-    }
-
-    public CategorizationEntitiesTest(final Class<?> entitiesClass) {
-        super(entitiesClass);
-    }
-
-}

ccm-core/src/test/java/org/libreccm/core/CcmCoreEntitiesTest.java

@@ -1,45 +0,0 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-package org.libreccm.core;
-
-import java.util.Arrays;
-import java.util.Collection;
-import org.junit.experimental.categories.Category;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.libreccm.tests.categories.UnitTest;
-
-/**
- * The tests in this class are used to verify the implementations of the
- * {@code equals}, {@code hashCode} and {@code toString} methods of the entities
- * in the {@code org.libreccm.core} package.
- *
- * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
- */
-@RunWith(Parameterized.class)
-@Category(UnitTest.class)
-public class CcmCoreEntitiesTest extends EntitiesTestCore {
-
-    @Parameterized.Parameters(name = "{0}")
-    public static Collection<Class<?>> data() {
-        return Arrays.asList(new Class<?>[]{
-            CcmObject.class,
-            EmailAddress.class,
-            GroupMembership.class,
-            Party.class,
-            Permission.class,
-            PersonName.class,
-            Privilege.class,
-            Resource.class,
-            Role.class,
-            User.class,
-            UserGroup.class});
-    }
-
-    public CcmCoreEntitiesTest(final Class<?> entityClass) {
-        super(entityClass);
-    }
-}

ccm-core/src/test/java/org/libreccm/core/EntitiesTestCore.java

@@ -10,15 +10,11 @@ import nl.jqno.equalsverifier.Warning;
 import org.junit.Assert;
 import org.junit.Test;
 
-import java.beans.BeanInfo;
 import java.beans.IntrospectionException;
-import java.beans.Introspector;
-import java.beans.PropertyDescriptor;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 
 /**
@@ -38,6 +34,7 @@ public class EntitiesTestCore {
         EqualsVerifier
             .forClass(entityClass)
             .suppress(Warning.STRICT_INHERITANCE)
+            .suppress(Warning.NONFINAL_FIELDS)
             .withRedefinedSuperclass()
             .verify();
     }
@@ -49,14 +46,7 @@ public class EntitiesTestCore {
                                         IllegalArgumentException,
                                         InvocationTargetException {
         final Object obj = entityClass.newInstance();
-//        final BeanInfo beanInfo = Introspector.getBeanInfo(entityClass);
-//
-//        final PropertyDescriptor[] properties = beanInfo
-//            .getPropertyDescriptors();
-//        for (PropertyDescriptor property : properties) {
-//            final Method setter = property.getWriteMethod();
 
-//            setter.invoke(obj, new Object[]{null});
         final Field[] fields = entityClass.getDeclaredFields();
         for (Field field : fields) {
             if (!Modifier.isStatic(field.getModifiers())

ccm-core/src/test/java/org/libreccm/core/EqualsAndHashCodeTest.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2015 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.core;
+
+import org.junit.experimental.categories.Category;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.libreccm.jpautils.EqualsVerifier;
+import org.libreccm.tests.categories.UnitTest;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RunWith(Parameterized.class)
+@Category(UnitTest.class)
+public class EqualsAndHashCodeTest extends EqualsVerifier {
+    
+    @Parameterized.Parameters(name = "{0}")
+    public static Collection<Class<?>> data() {
+        return Arrays.asList(new Class<?>[]{
+            CcmObject.class,
+            EmailAddress.class,
+            GroupMembership.class,
+            Party.class,
+            Permission.class,
+            PersonName.class,
+            Privilege.class,
+            Role.class,
+            User.class,
+            UserGroup.class});
+    }
+
+    public EqualsAndHashCodeTest(final Class<?> entityClass) {
+        super(entityClass);
+    }
+    
+}

ccm-core/src/test/java/org/libreccm/core/EqualsTest.java

@@ -1,156 +0,0 @@
-/*
- * Copyright (C) 2015 LibreCCM Foundation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301  USA
- */
-package org.libreccm.core;
-
-import nl.jqno.equalsverifier.EqualsVerifier;
-import nl.jqno.equalsverifier.Warning;
-import org.junit.After;
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.junit.experimental.categories.Category;
-import org.libreccm.tests.categories.UnitTest;
-
-/**
- *
- * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
- */
-@Category(UnitTest.class)
-public class EqualsTest {
-
-    public EqualsTest() {
-    }
-
-    @BeforeClass
-    public static void setUpClass() {
-    }
-
-    @AfterClass
-    public static void tearDownClass() {
-    }
-
-    @Before
-    public void setUp() {
-    }
-
-    @After
-    public void tearDown() {
-    }
-
-    @Test
-    public void verifyCcmObject() {
-        EqualsVerifier
-            .forClass(CcmObject.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyEmailAddress() {
-        EqualsVerifier
-            .forClass(EmailAddress.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyGroupMembership() {
-        EqualsVerifier
-            .forClass(GroupMembership.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyParty() {
-        EqualsVerifier
-            .forClass(Party.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyPermission() {
-        EqualsVerifier
-            .forClass(Permission.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyPersonName() {
-        EqualsVerifier
-            .forClass(PersonName.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyPrivilege() {
-        EqualsVerifier
-            .forClass(Privilege.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyResource() {
-        EqualsVerifier
-            .forClass(Resource.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyRole() {
-        EqualsVerifier
-            .forClass(Role.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyUser() {
-        EqualsVerifier
-            .forClass(User.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-    @Test
-    public void verifyUserGroup() {
-        EqualsVerifier
-            .forClass(UserGroup.class)
-            .suppress(Warning.STRICT_INHERITANCE)
-            .withRedefinedSuperclass()
-            .verify();
-    }
-
-}

ccm-core/src/test/java/org/libreccm/core/ResourceEntityTest.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2015 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.core;
+
+import nl.jqno.equalsverifier.EqualsVerifier;
+import nl.jqno.equalsverifier.Warning;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.libreccm.l10n.LocalizedString;
+import org.libreccm.tests.categories.UnitTest;
+
+import java.util.Locale;
+
+
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@Category(UnitTest.class)
+public class ResourceEntityTest {
+    
+    public ResourceEntityTest() {
+    }
+    
+    @BeforeClass
+    public static void setUpClass() {
+    }
+    
+    @AfterClass
+    public static void tearDownClass() {
+    }
+    
+    @Before
+    public void setUp() {
+    }
+    
+    @After
+    public void tearDown() {
+    }
+    
+    @Test
+    public void verifyEqualsAndHashCode() {
+        final Resource resource1 = new Resource();
+        final LocalizedString title1 = new LocalizedString();
+        title1.addValue(Locale.ENGLISH, "Resource 1");
+        resource1.setTitle(title1);
+        
+        final Resource resource2 = new Resource();
+        final LocalizedString title2 = new LocalizedString();
+        title2.addValue(Locale.ENGLISH, "Resource 2");
+        resource2.setTitle(title2);
+        
+        EqualsVerifier
+            .forClass(Resource.class)
+            .suppress(Warning.STRICT_INHERITANCE)
+            .suppress(Warning.NONFINAL_FIELDS)
+            .withPrefabValues(Resource.class, resource1, resource2)
+            .withRedefinedSuperclass()
+            .verify();
+    }
+}

ccm-core/src/test/java/org/libreccm/core/ToStringTest.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2015 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.core;
+
+import org.junit.experimental.categories.Category;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.libreccm.jpautils.ToStringVerifier;
+import org.libreccm.tests.categories.UnitTest;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RunWith(Parameterized.class)
+@Category(UnitTest.class)
+public class ToStringTest extends ToStringVerifier {
+    
+    @Parameterized.Parameters(name = "{0}")
+    public static Collection<Class<?>> data() {
+        return Arrays.asList(new Class<?>[]{
+            CcmObject.class,
+            EmailAddress.class,
+            GroupMembership.class,
+            Party.class,
+            Permission.class,
+            PersonName.class,
+            Privilege.class,
+            Resource.class,
+            Role.class,
+            User.class,
+            UserGroup.class});
+    }
+
+    public ToStringTest(final Class<?> entityClass) {
+        super(entityClass);
+    }
+    
+
+}

ccm-core/src/test/java/org/libreccm/jpautils/EqualsVerifier.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2015 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.jpautils;
+
+import nl.jqno.equalsverifier.Warning;
+import org.junit.Test;
+import org.junit.runners.Parameterized;
+
+/**
+ * A base class for verifying the implementations of the {@code equals()}
+ * and {@code hashCode} methods of an object using the {@link Parameterized}
+ * test runner from JUnit.
+ * 
+ * To use this class create a new JUnit test class which extends this class
+ * and which uses the {@link Parameterized} test runner. The class must have a
+ * static method which provides the classes to be tested. Example for testing
+ * the classes {@code Foo} and {@code Bar} (imports have been omitted):
+ * 
+ * <pre>
+ * @RunWith(Parameterized.class)
+ * @Category(UnitTest.class)
+ * public class FooBarTest extends EqualsVerifier {
+ * 
+ *     @Parameterized.Parameters(name = "{0}")
+ *     public static Collection<Class<?>> data() {
+ *         return Arrays.asList(new Class<?>[] {
+ *             Foo.class,
+ *             Bar.class
+ *         }); 
+ *     }
+ * 
+ *     public FooBarTest(final Class<?> entityClass) {
+ *         super(entityClass);
+ *     }
+ * }
+ * </pre>
+ * 
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class EqualsVerifier {
+    
+    private final Class<?> entityClass;
+    
+    public EqualsVerifier(final Class<?> entityClass) {
+        this.entityClass = entityClass;
+    }
+    
+    @Test
+    public void verifyEqualsAndHashCode() {
+        nl.jqno.equalsverifier.EqualsVerifier
+            .forClass(entityClass)
+            .suppress(Warning.STRICT_INHERITANCE)
+            .suppress(Warning.NONFINAL_FIELDS)
+            .withRedefinedSuperclass()
+            .verify();
+    }
+}

ccm-core/src/test/java/org/libreccm/jpautils/ToStringVerifier.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2015 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.jpautils;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runners.Parameterized;
+
+import java.beans.IntrospectionException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Modifier;
+
+/**
+ * A base class for verifying the implementation of the {@code toString()}
+ * method of an object using the {@link Parameterized}
+ * test runner from JUnit.
+ * 
+ * To use this class create a new JUnit test class which extends this class
+ * and which uses the {@link Parameterized} test runner. The class must have a
+ * static method which provides the classes to be tested. Example for testing
+ * the classes {@code Foo} and {@code Bar} (imports have been omitted):
+ * 
+ * <pre>
+ * @RunWith(Parameterized.class)
+ * @Category(UnitTest.class)
+ * public class FooBarTest extends ToStringVerifier {
+ * 
+ *     @Parameterized.Parameters(name = "{0}")
+ *     public static Collection<Class<?>> data() {
+ *         return Arrays.asList(new Class<?>[] {
+ *             Foo.class,
+ *             Bar.class
+ *         }); 
+ *     }
+ * 
+ *     public FooBarTest(final Class<?> entityClass) {
+ *         super(entityClass);
+ *     }
+ * }
+ * </pre>
+ * 
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class ToStringVerifier {
+    
+    private final Class<?> entityClass;
+    
+    public ToStringVerifier(final Class<?> entityClass) {
+        this.entityClass = entityClass;
+    }
+    
+    @Test
+    public void verifyToString() throws IntrospectionException,
+                                        InstantiationException,
+                                        IllegalAccessException,
+                                        IllegalArgumentException,
+                                        InvocationTargetException {
+        final Object obj = entityClass.newInstance();
+
+        final Field[] fields = entityClass.getDeclaredFields();
+        for (Field field : fields) {
+            if (!Modifier.isStatic(field.getModifiers())
+                    && !field.getType().isPrimitive()) {
+                field.setAccessible(true);
+                field.set(obj, null);
+            }
+        }
+
+        try {
+            obj.toString();
+        } catch (NullPointerException ex) {
+            final StringWriter strWriter = new StringWriter();
+            final PrintWriter writer = new PrintWriter(strWriter);
+            ex.printStackTrace(writer);
+            Assert.fail(String.format(
+                "toString() implemention of class \"%s\" "
+                    + "is not null safe:\n %s",
+                entityClass.getName(),
+                strWriter.toString()));
+
+        }
+    }
+    
+}