Source Code Cross Referenced for AddingChecksTest.java in  » Development » OVal » net » sf » oval » test » guard » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Development » OVal » net.sf.oval.test.guard 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * Portions created by Sebastian Thomschke are copyright (c) 2005-2007 Sebastian
003:         * Thomschke.
004:         * 
005:         * All Rights Reserved. This program and the accompanying materials
006:         * are made available under the terms of the Eclipse Public License v1.0
007:         * which accompanies this distribution, and is available at
008:         * http://www.eclipse.org/legal/epl-v10.html
009:         * 
010:         * Contributors:
011:         *     Sebastian Thomschke - initial implementation.
012:         *******************************************************************************/package net.sf.oval.test.guard;
013:
014:        import java.lang.reflect.Constructor;
015:        import java.lang.reflect.Field;
016:        import java.lang.reflect.Method;
017:        import java.util.List;
018:
019:        import junit.framework.TestCase;
020:        import net.sf.oval.ConstraintViolation;
021:        import net.sf.oval.constraint.NotNullCheck;
022:        import net.sf.oval.context.ConstructorParameterContext;
023:        import net.sf.oval.context.MethodParameterContext;
024:        import net.sf.oval.exception.ConstraintsViolatedException;
025:        import net.sf.oval.exception.InvalidConfigurationException;
026:        import net.sf.oval.guard.Guard;
027:        import net.sf.oval.guard.Guarded;
028:
029:        /**
030:         * @author Sebastian Thomschke
031:         */
032:        public class AddingChecksTest extends TestCase {
033:            @Guarded
034:            protected static class TestEntity1 {
035:                protected String name;
036:
037:                private TestEntity1(String name) {
038:                    this .name = name;
039:                }
040:
041:                /**
042:                 * @param name the name to set
043:                 */
044:                public void setName(String name) {
045:                    this .name = name;
046:                }
047:            }
048:
049:            @Guarded
050:            protected static class TestEntity2 {
051:                protected String name;
052:
053:                private TestEntity2(String name) {
054:                    this .name = name;
055:                }
056:
057:                /**
058:                 * @param name the name to set
059:                 */
060:                public void setName(String name) {
061:                    this .name = name;
062:                }
063:            }
064:
065:            @Guarded()
066:            protected static class TestEntity3 {
067:                protected String name;
068:
069:                private TestEntity3(String name) {
070:                    this .name = name;
071:                }
072:
073:                /**
074:                 * @param name the name to set
075:                 */
076:                public void setName(String name) {
077:                    this .name = name;
078:                }
079:            }
080:
081:            /**
082:             * try to programmatically add a NotNull constraint to the setter parameter
083:             */
084:            public void addConstraintToMethodParameter() {
085:                Guard guard = TestGuardAspect.aspectOf().getGuard();
086:
087:                try {
088:                    Method setter = TestEntity1.class.getDeclaredMethod(
089:                            "setName", new Class<?>[] { String.class });
090:                    NotNullCheck notNullCheck = new NotNullCheck();
091:                    notNullCheck.setMessage("NOT_NULL");
092:
093:                    // testing without constraint
094:                    try {
095:                        TestEntity1 entity = new TestEntity1("blabla");
096:                        entity.setName(null);
097:                    } catch (ConstraintsViolatedException e) {
098:                        fail();
099:                    }
100:
101:                    // adding a constraint
102:                    guard.addChecks(setter, 0, notNullCheck);
103:                    try {
104:                        TestEntity1 entity = new TestEntity1("blabla");
105:                        entity.setName(null);
106:                        fail();
107:                    } catch (ConstraintsViolatedException e) {
108:                        ConstraintViolation[] violations = e
109:                                .getConstraintViolations();
110:                        assertTrue(violations.length == 1);
111:                        assertTrue(violations[0].getContext() instanceof  MethodParameterContext);
112:                        assertTrue(violations[0].getMessage()
113:                                .equals("NOT_NULL"));
114:                    }
115:
116:                    // removing the constraint
117:                    guard.removeChecks(setter, 0, notNullCheck);
118:                    try {
119:                        TestEntity1 entity = new TestEntity1("blabla");
120:                        entity.setName(null);
121:                    } catch (ConstraintsViolatedException e) {
122:                        fail();
123:                    }
124:                } catch (InvalidConfigurationException e) {
125:                    fail();
126:                } catch (SecurityException e) {
127:                    e.printStackTrace();
128:                    fail();
129:                } catch (NoSuchMethodException e) {
130:                    e.printStackTrace();
131:                    fail();
132:                }
133:            }
134:
135:            /**
136:             * try to programmatically add a NotNull constraint to the constructor parameter
137:             */
138:            public void testAddConstraintToConstructorParameter()
139:                    throws Exception {
140:                final Guard guard = new Guard();
141:                TestGuardAspect.aspectOf().setGuard(guard);
142:
143:                Constructor constructor = TestEntity2.class
144:                        .getDeclaredConstructor(new Class<?>[] { String.class });
145:                NotNullCheck notNullCheck = new NotNullCheck();
146:                notNullCheck.setMessage("NOT_NULL");
147:
148:                // testing without constraint
149:                new TestEntity2(null);
150:
151:                // adding a constraint
152:                guard.addChecks(constructor, 0, notNullCheck);
153:                try {
154:                    new TestEntity2(null);
155:                    fail();
156:                } catch (ConstraintsViolatedException e) {
157:                    ConstraintViolation[] violations = e
158:                            .getConstraintViolations();
159:                    assertTrue(violations.length == 1);
160:                    assertTrue(violations[0].getContext() instanceof  ConstructorParameterContext);
161:                    assertTrue(violations[0].getMessage().equals("NOT_NULL"));
162:                }
163:
164:                // removing the constraint
165:                guard.removeChecks(constructor, 0, notNullCheck);
166:
167:                new TestEntity2(null);
168:            }
169:
170:            /**
171:             * programmatically add a NotNull constraint to the name field
172:             */
173:            public void testAddConstraintToField() throws Exception {
174:                final Guard guard = new Guard();
175:                TestGuardAspect.aspectOf().setGuard(guard);
176:
177:                TestEntity3 entity = new TestEntity3(null);
178:                assertEquals(0, guard.validate(entity).size());
179:
180:                Field field = TestEntity3.class.getDeclaredField("name");
181:                NotNullCheck notNullCheck = new NotNullCheck();
182:                notNullCheck.setMessage("NOT_NULL");
183:
184:                // testing without constraint
185:                {
186:                    List<ConstraintViolation> violations = guard
187:                            .validate(entity);
188:                    assertTrue(violations.size() == 0);
189:                }
190:
191:                // adding a constraint
192:                {
193:                    guard.addChecks(field, notNullCheck);
194:
195:                    List<ConstraintViolation> violations = TestGuardAspect
196:                            .aspectOf().getGuard().validate(entity);
197:                    assertTrue(violations.size() == 1);
198:                    assertTrue(violations.get(0).getMessage()
199:                            .equals("NOT_NULL"));
200:                }
201:
202:                // removing the constraint
203:                {
204:                    guard.removeChecks(field, notNullCheck);
205:
206:                    List<ConstraintViolation> violations = TestGuardAspect
207:                            .aspectOf().getGuard().validate(entity);
208:                    assertTrue(violations.size() == 0);
209:                }
210:            }
211:        }
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