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1
17
18
19 package org.apache.commons.digester.xmlrules;
20
21
22 import java.io.InputStream  ;
23 import java.io.StringReader ;
24 import java.net.URL ;
25 import java.util.ArrayList ;
26
27 import junit.framework.TestCase;
28 import junit.framework.TestSuite;
29
30 import org.apache.commons.digester.Address;
31 import org.apache.commons.digester.Digester;
32 import org.apache.commons.digester.TestObjectCreationFactory;
33
34 import org.xml.sax.InputSource ;
35
36
42
43 public class DigesterLoaderTest extends TestCase {
44
45 public DigesterLoaderTest(java.lang.String testName) {
46 super(testName);
47 }
48
49 public static void main(java.lang.String [] args) {
50 junit.textui.TestRunner.run(suite());
51 }
52
53 public static junit.framework.Test suite() {
54 TestSuite suite = new TestSuite(DigesterLoaderTest.class);
55
56 return suite;
57 }
58
59
64 public void testCreateDigester() throws Exception {
65 URL rules = ClassLoader.getSystemResource("org/apache/commons/digester/xmlrules/testrules.xml");
66 URL input = ClassLoader.getSystemResource("org/apache/commons/digester/xmlrules/test.xml");
67 assertNotNull("The test could not locate testrules.xml", rules);
68 assertNotNull("The test could not locate test.xml", input);
69 Digester digester = DigesterLoader.createDigester(rules);
70 digester.push(new ArrayList ());
71 Object root = digester.parse(input.openStream());
72 assertEquals("[foo1 baz1 foo2, foo3 foo4]",root.toString());
73 }
74
75
80 public void testLoad1() throws Exception {
81 ClassLoader classLoader = getClass().getClassLoader();
82 URL rules = classLoader.getResource("org/apache/commons/digester/xmlrules/testrules.xml");
83 URL input = classLoader.getResource("org/apache/commons/digester/xmlrules/test.xml");
84 assertNotNull("The test could not locate testrules.xml", rules);
85 assertNotNull("The test could not locate test.xml", input);
86 Object root = DigesterLoader.load(rules, classLoader, input, new ArrayList ());
87 if (!(root instanceof ArrayList )) {
88 fail("Unexpected object returned from DigesterLoader. Expected ArrayList; got " + root.getClass().getName());
89 }
90 assertEquals( "[foo1 baz1 foo2, foo3 foo4]",root.toString());
91
92 ArrayList al = (ArrayList )root;
93 Object obj = al.get(0);
94 if (! (obj instanceof TestObject)) {
95 fail("Unexpected object returned from DigesterLoader. Expected TestObject; got " + obj.getClass().getName());
96 }
97 TestObject to = (TestObject)obj;
98 assertEquals(new Long (555),to.getLongValue());
99 assertEquals( "foo", to.getMapValue( "test1" ) );
100 assertEquals( "bar", to.getMapValue( "test2" ) );
101 }
102
103
107 public void testLoad2() throws Exception {
108 URL rules = ClassLoader.getSystemResource("org/apache/commons/digester/xmlrules/testrules.xml");
109 InputStream input = ClassLoader.getSystemResource("org/apache/commons/digester/xmlrules/test.xml").openStream();
110 Object root = DigesterLoader.load(rules, getClass().getClassLoader(), input, new ArrayList ());
111 if (!(root instanceof ArrayList )) {
112 fail("Unexpected object returned from DigesterLoader. Expected ArrayList; got " + root.getClass().getName());
113 }
114 ArrayList list = (ArrayList ) root;
115 assertEquals(root.toString(), "[foo1 baz1 foo2, foo3 foo4]");
116 assertEquals("Wrong number of classes created", 2 , list.size());
117 assertEquals("Pushed first", true , ((TestObject)list.get(0)).isPushed());
118 assertEquals("Didn't push second", false , ((TestObject)list.get(1)).isPushed());
119 assertTrue("Property was set properly", ((TestObject)list.get(0)).getProperty().equals("I am a property!") );
120 }
121
122
123
126 public void testCircularInclude1() {
127 URL rules = ClassLoader.getSystemResource("org/apache/commons/digester/xmlrules/testCircularRules.xml");
128 try {
129 Digester digester = DigesterLoader.createDigester(rules);
130 } catch (Exception ex) {
131 return;
132 }
133 fail("Creating a digester with circular rules should have thrown CircularIncludeException.");
134 }
135
136
137
139 public void testSetCustomProperties() throws Exception {
140 URL rules = ClassLoader.getSystemResource
141 ("org/apache/commons/digester/xmlrules/testPropertyAliasRules.xml");
142 InputStream input = ClassLoader.getSystemResource
143 ("org/apache/commons/digester/Test7.xml").openStream();
144
145 Object obj = DigesterLoader.load(
146 rules,
147 getClass().getClassLoader(),
148 input,
149 new ArrayList ());
150
151 if (!(obj instanceof ArrayList )) {
152 fail(
153 "Unexpected object returned from DigesterLoader. Expected ArrayList; got "
154 + obj.getClass().getName());
155 }
156
157 ArrayList root = (ArrayList ) obj;
158
159 assertEquals("Wrong array size", 4, root.size());
160
161
163 obj = root.get(0);
164 assertTrue("(1) Should be an Address ", obj instanceof Address);
165 Address addressOne = (Address) obj;
166 assertEquals("(1) Street attribute", "New Street", addressOne.getStreet());
167 assertEquals("(1) City attribute", "Las Vegas", addressOne.getCity());
168 assertEquals("(1) State attribute", "Nevada", addressOne.getState());
169
170 obj = root.get(1);
171 assertTrue("(2) Should be an Address ", obj instanceof Address);
172 Address addressTwo = (Address) obj;
173 assertEquals("(2) Street attribute", "Old Street", addressTwo.getStreet());
174 assertEquals("(2) City attribute", "Portland", addressTwo.getCity());
175 assertEquals("(2) State attribute", "Oregon", addressTwo.getState());
176
177 obj = root.get(2);
178 assertTrue("(3) Should be an Address ", obj instanceof Address);
179 Address addressThree = (Address) obj;
180 assertEquals("(3) Street attribute", "4th Street", addressThree.getStreet());
181 assertEquals("(3) City attribute", "Dayton", addressThree.getCity());
182 assertEquals("(3) State attribute", "US" , addressThree.getState());
183
184 obj = root.get(3);
185 assertTrue("(4) Should be an Address ", obj instanceof Address);
186 Address addressFour = (Address) obj;
187 assertEquals("(4) Street attribute", "6th Street", addressFour.getStreet());
188 assertEquals("(4) City attribute", "Cleveland", addressFour.getCity());
189 assertEquals("(4) State attribute", "Ohio", addressFour.getState());
190
191 }
192
193 public void testFactoryCreateRule() throws Exception {
194 URL rules = ClassLoader.getSystemResource
195 ("org/apache/commons/digester/xmlrules/testfactory.xml");
196
197 String xml = "<?xml version='1.0' ?><root one='good' two='bad' three='ugly'><foo/></root>";
198 Object obj = DigesterLoader.load(
199 rules,
200 getClass().getClassLoader(),
201 new StringReader (xml),
202 new ArrayList ());
203
204 if (!(obj instanceof ArrayList )) {
205 fail(
206 "Unexpected object returned from DigesterLoader. Expected ArrayList; got "
207 + obj.getClass().getName());
208 }
209
210 ArrayList list = (ArrayList ) obj;
211
212 assertEquals("List should contain only the factory object", list.size() , 1);
213 TestObjectCreationFactory factory = (TestObjectCreationFactory) list.get(0);
214 assertEquals("Object create not called(1)", factory.called , true);
215 assertEquals(
216 "Attribute not passed (1)",
217 factory.attributes.getValue("one"),
218 "good");
219 assertEquals(
220 "Attribute not passed (2)",
221 factory.attributes.getValue("two"),
222 "bad");
223 assertEquals(
224 "Attribute not passed (3)",
225 factory.attributes.getValue("three"),
226 "ugly");
227
228
229 rules = ClassLoader.getSystemResource
230 ("org/apache/commons/digester/xmlrules/testfactoryignore.xml");
231
232 xml = "<?xml version='1.0' ?><root one='good' two='bad' three='ugly'><foo/></root>";
233 try {
234 DigesterLoader.load(
235 rules,
236 getClass().getClassLoader(),
237 new StringReader (xml));
238 } catch (Exception e) {
239 fail("This exception should have been ignored: " + e.getClass().getName());
240 }
241
242 rules = ClassLoader.getSystemResource
243 ("org/apache/commons/digester/xmlrules/testfactorynoignore.xml");
244
245 xml = "<?xml version='1.0' ?><root one='good' two='bad' three='ugly'><foo/></root>";
246 try {
247 DigesterLoader.load(
248 rules,
249 getClass().getClassLoader(),
250 new StringReader (xml));
251 fail("Exception should have been propagated from create method.");
252 } catch (Exception e) {
253
254 assertEquals(org.xml.sax.SAXParseException .class, e.getClass());
255 }
256 }
257
258 public void testCallParamRule() throws Exception {
259
260 URL rules = ClassLoader.getSystemResource
261 ("org/apache/commons/digester/xmlrules/test-call-param-rules.xml");
262
263 String xml = "<?xml version='1.0' ?>"
264 + "<root><foo attr='long'><bar>short</bar><foobar><ping>tosh</ping></foobar></foo></root>";
265
266 CallParamTestObject testObject = new CallParamTestObject();
267
268 DigesterLoader.load(
269 rules,
270 getClass().getClassLoader(),
271 new StringReader (xml),
272 testObject);
273
274 assertEquals("Incorrect left value", "long", testObject.getLeft());
275 assertEquals("Incorrect middle value", "short", testObject.getMiddle());
276 assertEquals("Incorrect right value", "", testObject.getRight());
277 }
278
279 public void testInputSourceLoader() throws Exception {
280 String rulesXml = "<?xml version='1.0'?>"
281 + "<digester-rules>"
282 + " <pattern value='root'>"
283 + " <pattern value='foo'>"
284 + " <call-method-rule methodname='triple' paramcount='3'"
285 + " paramtypes='java.lang.String,java.lang.String,java.lang.String'/>"
286 + " <call-param-rule paramnumber='0' attrname='attr'/>"
287 + " <pattern value='bar'>"
288 + " <call-param-rule paramnumber='1' from-stack='false'/>"
289 + " </pattern>"
290 + " <pattern value='foobar'>"
291 + " <object-create-rule classname='java.lang.String'/>"
292 + " <pattern value='ping'>"
293 + " <call-param-rule paramnumber='2' from-stack='true'/>"
294 + " </pattern>"
295 + " </pattern>"
296 + " </pattern>"
297 + " </pattern>"
298 + "</digester-rules>";
299
300 String xml = "<?xml version='1.0' ?>"
301 + "<root><foo attr='long'><bar>short</bar><foobar><ping>tosh</ping></foobar></foo></root>";
302
303 CallParamTestObject testObject = new CallParamTestObject();
304
305 Digester digester = DigesterLoader.createDigester(new InputSource (new StringReader (rulesXml)));
306 digester.push(testObject);
307 digester.parse(new StringReader (xml));
308
309 assertEquals("Incorrect left value", "long", testObject.getLeft());
310 assertEquals("Incorrect middle value", "short", testObject.getMiddle());
311 assertEquals("Incorrect right value", "", testObject.getRight());
312 }
313 }
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