Source Code Cross Referenced for TestJNDIConfiguration.java in  » Library » Apache-commons-configuration-1.4-src » org » apache » commons » configuration » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Library » Apache commons configuration 1.4 src » org.apache.commons.configuration 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         */
017:
018:        package org.apache.commons.configuration;
019:
020:        import junit.framework.TestCase;
021:
022:        import javax.naming.Context;
023:        import javax.naming.InitialContext;
024:        import javax.naming.NamingException;
025:
026:        import org.apache.commons.configuration.event.ConfigurationErrorEvent;
027:        import org.apache.commons.configuration.event.ConfigurationErrorListener;
028:
029:        /**
030:         * Test to see if the JNDIConfiguration works properly.
031:         *
032:         * @version $Id: TestJNDIConfiguration.java 506128 2007-02-11 20:43:08Z oheger $
033:         */
034:        public class TestJNDIConfiguration extends TestCase {
035:
036:            public static final String CONTEXT_FACTORY = MockInitialContextFactory.class
037:                    .getName();
038:
039:            private JNDIConfiguration conf;
040:            private NonStringTestHolder nonStringTestHolder;
041:
042:            /** A test error listener for counting internal errors.*/
043:            private TestErrorListener listener;
044:
045:            public void setUp() throws Exception {
046:
047:                System.setProperty("java.naming.factory.initial",
048:                        CONTEXT_FACTORY);
049:
050:                conf = new PotentialErrorJNDIConfiguration();
051:
052:                nonStringTestHolder = new NonStringTestHolder();
053:                nonStringTestHolder.setConfiguration(conf);
054:
055:                listener = new TestErrorListener();
056:                conf.addErrorListener(listener);
057:            }
058:
059:            /**
060:             * Clears the test environment. If an error listener is defined, checks
061:             * whether no error event was received.
062:             */
063:            protected void tearDown() throws Exception {
064:                if (listener != null) {
065:                    listener.verify();
066:                }
067:                super .tearDown();
068:            }
069:
070:            public void testBoolean() throws Exception {
071:                nonStringTestHolder.testBoolean();
072:            }
073:
074:            public void testBooleanDefaultValue() throws Exception {
075:                nonStringTestHolder.testBooleanDefaultValue();
076:            }
077:
078:            public void testByte() throws Exception {
079:                nonStringTestHolder.testByte();
080:            }
081:
082:            public void testDouble() throws Exception {
083:                nonStringTestHolder.testDouble();
084:            }
085:
086:            public void testDoubleDefaultValue() throws Exception {
087:                nonStringTestHolder.testDoubleDefaultValue();
088:            }
089:
090:            public void testFloat() throws Exception {
091:                nonStringTestHolder.testFloat();
092:            }
093:
094:            public void testFloatDefaultValue() throws Exception {
095:                nonStringTestHolder.testFloatDefaultValue();
096:            }
097:
098:            public void testInteger() throws Exception {
099:                nonStringTestHolder.testInteger();
100:            }
101:
102:            public void testIntegerDefaultValue() throws Exception {
103:                nonStringTestHolder.testIntegerDefaultValue();
104:            }
105:
106:            public void testLong() throws Exception {
107:                nonStringTestHolder.testLong();
108:            }
109:
110:            public void testLongDefaultValue() throws Exception {
111:                nonStringTestHolder.testLongDefaultValue();
112:            }
113:
114:            public void testShort() throws Exception {
115:                nonStringTestHolder.testShort();
116:            }
117:
118:            public void testShortDefaultValue() throws Exception {
119:                nonStringTestHolder.testShortDefaultValue();
120:            }
121:
122:            public void testListMissing() throws Exception {
123:                nonStringTestHolder.testListMissing();
124:            }
125:
126:            public void testSubset() throws Exception {
127:                nonStringTestHolder.testSubset();
128:            }
129:
130:            public void testProperties() throws Exception {
131:                Object o = conf.getProperty("test.boolean");
132:                assertNotNull(o);
133:                assertEquals("true", o.toString());
134:            }
135:
136:            public void testContainsKey() {
137:                String key = "test.boolean";
138:                assertTrue("'" + key + "' not found", conf.containsKey(key));
139:
140:                conf.clearProperty(key);
141:                assertFalse("'" + key + "' still found", conf.containsKey(key));
142:            }
143:
144:            public void testChangePrefix() {
145:                assertEquals("'test.boolean' property", "true", conf
146:                        .getString("test.boolean"));
147:                assertEquals("'boolean' property", null, conf
148:                        .getString("boolean"));
149:
150:                // change the prefix
151:                conf.setPrefix("test");
152:                assertEquals("'test.boolean' property", null, conf
153:                        .getString("test.boolean"));
154:                assertEquals("'boolean' property", "true", conf
155:                        .getString("boolean"));
156:            }
157:
158:            public void testResetRemovedProperties() throws Exception {
159:                assertEquals("'test.boolean' property", "true", conf
160:                        .getString("test.boolean"));
161:
162:                // remove the property
163:                conf.clearProperty("test.boolean");
164:                assertEquals("'test.boolean' property", null, conf
165:                        .getString("test.boolean"));
166:
167:                // change the context
168:                conf.setContext(new InitialContext());
169:
170:                // get the property
171:                assertEquals("'test.boolean' property", "true", conf
172:                        .getString("test.boolean"));
173:            }
174:
175:            public void testConstructor() throws Exception {
176:                // test the constructor accepting a context
177:                conf = new JNDIConfiguration(new InitialContext());
178:
179:                assertEquals("'test.boolean' property", "true", conf
180:                        .getString("test.boolean"));
181:
182:                // test the constructor accepting a context and a prefix
183:                conf = new JNDIConfiguration(new InitialContext(), "test");
184:
185:                assertEquals("'boolean' property", "true", conf
186:                        .getString("boolean"));
187:            }
188:
189:            /**
190:             * Configures the test config to throw an exception.
191:             */
192:            private PotentialErrorJNDIConfiguration setUpErrorConfig() {
193:                ((PotentialErrorJNDIConfiguration) conf).failOnGetCtx = true;
194:                conf.removeErrorListener((ConfigurationErrorListener) conf
195:                        .getErrorListeners().iterator().next());
196:                return (PotentialErrorJNDIConfiguration) conf;
197:            }
198:
199:            /**
200:             * Tests whether the expected error events have been received.
201:             *
202:             * @param type the expected event type
203:             * @param propName the name of the property
204:             * @param propValue the property value
205:             */
206:            private void checkErrorListener(int type, String propName,
207:                    Object propValue) {
208:                listener.verify(type, propName, propValue);
209:                listener = null;
210:            }
211:
212:            /**
213:             * Tests whether a JNDI configuration registers an error log listener.
214:             */
215:            public void testLogListener() throws NamingException {
216:                conf = new JNDIConfiguration();
217:                assertEquals("No error log listener registered", 1, conf
218:                        .getErrorListeners().size());
219:            }
220:
221:            /**
222:             * Tests handling of errors in getKeys().
223:             */
224:            public void testGetKeysError() {
225:                assertFalse("Iteration not empty", setUpErrorConfig().getKeys()
226:                        .hasNext());
227:                checkErrorListener(AbstractConfiguration.EVENT_READ_PROPERTY,
228:                        null, null);
229:            }
230:
231:            /**
232:             * Tests handling of errors in isEmpty().
233:             */
234:            public void testIsEmptyError() throws NamingException {
235:                assertTrue("Error config not empty", setUpErrorConfig()
236:                        .isEmpty());
237:                checkErrorListener(AbstractConfiguration.EVENT_READ_PROPERTY,
238:                        null, null);
239:            }
240:
241:            /**
242:             * Tests handling of errors in the containsKey() method.
243:             */
244:            public void testContainsKeyError() {
245:                assertFalse("Key contained after error", setUpErrorConfig()
246:                        .containsKey("key"));
247:                checkErrorListener(AbstractConfiguration.EVENT_READ_PROPERTY,
248:                        "key", null);
249:            }
250:
251:            /**
252:             * Tests handling of errors in getProperty().
253:             */
254:            public void testGetPropertyError() {
255:                assertNull("Wrong property value after error",
256:                        setUpErrorConfig().getProperty("key"));
257:                checkErrorListener(AbstractConfiguration.EVENT_READ_PROPERTY,
258:                        "key", null);
259:            }
260:
261:            /**
262:             * A special JNDI configuration implementation that can be configured to
263:             * throw an exception when accessing the base context. Used for testing the
264:             * exception handling.
265:             */
266:            static class PotentialErrorJNDIConfiguration extends
267:                    JNDIConfiguration {
268:                /** A flag whether an exception should be thrown. */
269:                boolean failOnGetCtx;
270:
271:                public PotentialErrorJNDIConfiguration() throws NamingException {
272:                    super ();
273:                }
274:
275:                public Context getBaseContext() throws NamingException {
276:                    if (failOnGetCtx) {
277:                        throw new NamingException("Simulated JNDI exception!");
278:                    }
279:                    return super .getBaseContext();
280:                }
281:            }
282:
283:            /**
284:             * A test listener implementation that is used for counting and testing
285:             * internal errors.
286:             */
287:            static class TestErrorListener implements 
288:                    ConfigurationErrorListener {
289:                /** Stores the last received error event. */
290:                ConfigurationErrorEvent event;
291:
292:                /** Stores the number of calls. */
293:                int errorCount;
294:
295:                public void configurationError(ConfigurationErrorEvent event) {
296:                    this .event = event;
297:                    errorCount++;
298:                }
299:
300:                /**
301:                 * Checks whether no error event was received.
302:                 */
303:                public void verify() {
304:                    assertEquals("Error events received", 0, errorCount);
305:                }
306:
307:                /**
308:                 * Checks whether an expected error event was received.
309:                 *
310:                 * @param type the type of the event
311:                 * @param propName the name of the property
312:                 * @param propValue the value of the property
313:                 */
314:                public void verify(int type, String propName, Object propValue) {
315:                    assertEquals("Wrong number of error events", 1, errorCount);
316:                    assertEquals("Wrong event type", type, event.getType());
317:                    assertTrue(
318:                            "Wrong property name",
319:                            (propName == null) ? event.getPropertyName() == null
320:                                    : propName.equals(event.getPropertyName()));
321:                    assertTrue(
322:                            "Wrong property value",
323:                            (propValue == null) ? event.getPropertyValue() == null
324:                                    : propValue
325:                                            .equals(event.getPropertyValue()));
326:                    assertTrue("Wrong exception class",
327:                            event.getCause() instanceof  NamingException);
328:                }
329:            }
330:        }
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