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1
51 package org.apache.avalon.framework.configuration.test;
52
53 import java.io.ByteArrayInputStream  ;
54 import java.io.File ;
55 import java.io.FileWriter ;
56 import java.io.InputStream ;
57 import junit.framework.TestCase;
58 import org.apache.avalon.framework.configuration.Configuration;
59 import org.apache.avalon.framework.configuration.ConfigurationException;
60 import org.apache.avalon.framework.configuration.DefaultConfigurationBuilder;
61 import org.xml.sax.SAXException ;
62
63
71 public final class DefaultConfigurationBuilderTestCase
72 extends TestCase
73 {
74
75 private DefaultConfigurationBuilder m_builder;
76 private DefaultConfigurationBuilder m_nsBuilder;
77 private File m_file;
78 private File m_nsFile;
79 private File m_testDirectory;
80 private final String m_simpleFileName = "config_simple.xml";
81 private final String m_nsFileName = "config_namespaces.xml";
82 private final String m_path = "test/framework/io/";
83
84 private final String simpleXML =
85 "<?xml version=\"1.0\" ?>"+
86 "<config boolAttr=\"true\" floatAttr=\"1.32\">"+
87 " <elements-a>"+
88 " <element name=\"a\"/>"+
89 " </elements-a>"+
90 " <elements-b>"+
91 " <element name=\"b\"/> "+
92 " </elements-b>"+
93 " <elements-b type=\"type-b\"/>"+
94 " <elements-c>"+
95 " true"+
96 " </elements-c>"+
97 "</config>";
98
99
104 private void simpleAssertions(Configuration conf)
105 throws ConfigurationException
106 {
107 assertEquals( "config", conf.getName() );
108 assertEquals( "getNamespace() should default to \"\"", "", conf.getNamespace() );
109 try {
110 String value = conf.getValue();
111 fail( "Should throw a ConfigurationException, as this element"+
112 "contains child elements, not a value" );
113 } catch ( ConfigurationException e )
114 {}
115
116 Configuration[] children;
117 children = conf.getChildren();
118 assertEquals( 4, children.length );
119 assertEquals( "elements-a", children[0].getName() );
120 assertEquals( "elements-b", children[1].getName() );
121 assertEquals( "b", children[1].getChild("element", false).getAttribute("name") );
122 assertEquals( "elements-b", children[2].getName() );
123 assertEquals( "elements-c", children[3].getName() );
124
125 final String [] attrNames = conf.getAttributeNames();
126 assertEquals( 2, attrNames.length );
127 assertEquals( "default", conf.getAttribute("nonexistent", "default") );
128 assertEquals( true, conf.getAttributeAsBoolean("boolAttr") );
129 assertEquals( (float)1.32, conf.getAttributeAsFloat("floatAttr"), 0.0 );
130
131 assertEquals(
133 "When a non-existent child is requested, a blank node should be created",
134 "nonexistent",
135 conf.getChild( "nonexistent" ).getName()
136 );
137 assertEquals(
138 "When a non-existent child is requested, a blank node should be created",
139 "baz",
140 conf.getChild( "foo" ).getChild("bar").getChild("baz").getName()
141 );
142 try {
143 String value = conf.getChild("nonexistent").getValue();
144 fail( "Auto-created child nodes should not have a value" );
145 } catch ( ConfigurationException e )
146 {}
147 assertEquals( "Turning auto-node-creation off failed", null, conf.getChild( "nonexistent", false )
148 );
149 assertEquals( "Standard getChild() lookup failed", "elements-b", conf.getChild( "elements-b", false ).getName() );
150 assertEquals( "Boolean value surrounded by whitespace failed", true, conf.getChild("elements-c").getValueAsBoolean( false ) );
151 assertEquals( "A value-containing element should have no child nodes", 0, conf.getChild("elements-c").getChildren().length );
152 }
153
154 private final String nsXML =
155 "<?xml version=\"1.0\" ?>"+
156 "<conf:config"+
157 " boolAttr=\"true\" floatAttr=\"1.32\""+
158 " xmlns:conf=\"http://conf.com\" xmlns:a=\"http://a.com\" xmlns:b=\"http://b.com\" xmlns:c=\"http://c.com\" xmlns:d=\"http://d.com\" xmlns:e=\"http://e.com\">"+
159 " <a:elements-a>"+
160 " <c:element name=\"a\"/>"+
161 " </a:elements-a>"+
162 " <elements-b xmlns=\"http://defaultns.com\">"+
163 " <element name=\"b\"/> "+
164 " </elements-b>"+
165 " <b:elements-b type=\"type-b\"/>"+
166 " <elements-c>"+
167 " true"+
168 " </elements-c>"+
169 " <d:element>d:element</d:element>"+
170 " <e:element>e:element</e:element>"+
171 "</conf:config>";
172
179
180
185 private void simpleAssertionsNS(Configuration conf)
186 throws ConfigurationException
187 {
188 assertEquals( "conf:config", conf.getName() );
189 assertEquals( "getNamespace() should default to \"\"", "", conf.getNamespace() );
190 try {
191 String value = conf.getValue();
192 fail( "Should throw a ConfigurationException, as this element"+
193 "contains child elements, not a value" );
194 } catch ( ConfigurationException e )
195 {}
196
197 Configuration[] children;
198 children = conf.getChildren();
199 assertEquals( 6, children.length );
200 assertEquals( "a:elements-a", children[0].getName() );
201 assertEquals( "elements-b", children[1].getName() );
202 assertEquals( "b", children[1].getChild("element", false).getAttribute("name") );
203 assertEquals( "b:elements-b", children[2].getName() );
204 assertEquals( "elements-c", children[3].getName() );
205
206 final String [] attrNames = conf.getAttributeNames();
207 assertEquals( 8, attrNames.length );
208 assertEquals( "true", conf.getAttribute("boolAttr", null) );
209 assertEquals( true, conf.getAttributeAsBoolean("boolAttr") );
210 assertEquals( (float)1.32, conf.getAttributeAsFloat("floatAttr"), 0.0 );
211 assertEquals( "http://conf.com", conf.getAttribute("xmlns:conf") );
212 assertEquals( "http://a.com", conf.getAttribute("xmlns:a") );
213 assertEquals( "http://b.com", conf.getAttribute("xmlns:b") );
214 assertEquals( "http://c.com", conf.getAttribute("xmlns:c") );
215
216 assertEquals(
218 "When a non-existent child is requested, a blank node should be created",
219 "nonexistent",
220 conf.getChild( "nonexistent" ).getName()
221 );
222 assertEquals(
223 "When a non-existent child is requested, a blank node should be created",
224 "baz",
225 conf.getChild( "foo" ).getChild("bar").getChild("baz").getName()
226 );
227 try {
228 String value = conf.getChild("nonexistent").getValue();
229 fail( "Auto-created child nodes should not have a value" );
230 } catch ( ConfigurationException e )
231 {}
232 assertEquals( "Turning auto-node-creation off failed", null, conf.getChild( "nonexistent", false )
233 );
234 assertEquals( "Standard getChild() lookup failed", "b:elements-b", conf.getChild( "b:elements-b", false ).getName() );
235 assertEquals( "Boolean value surrounded by whitespace failed", true, conf.getChild("elements-c").getValueAsBoolean( false ) );
236 assertEquals( "A value-containing element should have no child nodes", 0, conf.getChild("elements-c").getChildren().length );
237
238 assertEquals( "d:element", conf.getChild("d:element").getValue() );
239 assertEquals( "e:element", conf.getChild("e:element").getValue() );
240 }
241
242
243
248 private void nsAssertions(Configuration conf)
249 throws ConfigurationException
250 {
251 assertEquals( "config", conf.getName() );
252 assertEquals( "Namespace not set correctly", "http://conf.com", conf.getNamespace() );
253 try {
254 String value = conf.getValue();
255 fail( "Should throw a ConfigurationException, as this element"+
256 "contains child elements, not a value" );
257 } catch ( ConfigurationException e )
258 {}
259
260 Configuration[] children;
261 children = conf.getChildren();
262 assertEquals( 6, children.length );
263 assertEquals( "elements-a", children[0].getName() );
264 assertEquals( "http://a.com", children[0].getNamespace() );
265 assertEquals( "elements-b", children[1].getName() );
266 assertEquals( "http://defaultns.com", children[1].getNamespace() );
267 assertEquals( "b", children[1].getChild("element", false).getAttribute("name") );
268 assertEquals( "elements-b", children[2].getName() );
269 assertEquals( "http://b.com", children[2].getNamespace() );
270 assertEquals( "elements-c", children[3].getName() );
271 assertEquals( "", children[3].getNamespace() );
272
273 final String [] attrNames = conf.getAttributeNames();
274 assertEquals( 2, attrNames.length ); assertEquals( "true", conf.getAttribute("boolAttr", null) );
276 assertEquals( true, conf.getAttributeAsBoolean("boolAttr") );
277 assertEquals( (float)1.32, conf.getAttributeAsFloat("floatAttr"), 0.0 );
278
279 assertEquals(
281 "When a non-existent child is requested, a blank node should be created",
282 "nonexistent",
283 conf.getChild( "nonexistent" ).getName()
284 );
285 assertEquals(
286 "When a non-existent child is requested, a blank node should be created",
287 "baz",
288 conf.getChild( "foo" ).getChild("bar").getChild("baz").getName()
289 );
290 try {
291 String value = conf.getChild("nonexistent").getValue();
292 fail( "Auto-created child nodes should not have a value" );
293 } catch ( ConfigurationException e )
294 {}
295 assertEquals( "Turning auto-node-creation off failed", null, conf.getChild( "nonexistent", false )
296 );
297 assertEquals( "Standard getChild() lookup failed", "elements-b", conf.getChild( "elements-b", false ).getName() );
298 assertEquals( "Boolean value surrounded by whitespace failed", true, conf.getChild("elements-c").getValueAsBoolean( false ) );
299 assertEquals( "A value-containing element should have no child nodes", 0, conf.getChild("elements-c").getChildren().length );
300 }
301
302
303 public DefaultConfigurationBuilderTestCase()
304 {
305 this("DefaultConfigurationBuilder Test Case");
306 }
307
308 public DefaultConfigurationBuilderTestCase( final String name )
309 {
310 super( name );
311 m_testDirectory = (new File ( m_path)).getAbsoluteFile();
312 if( !m_testDirectory.exists() )
313 {
314 m_testDirectory.mkdirs();
315 }
316 }
317
318 protected void setUp()
319 throws Exception
320 {
321 m_file = new File ( m_testDirectory, m_simpleFileName );
322 m_nsFile = new File ( m_testDirectory, m_nsFileName );
323 FileWriter writer = new FileWriter ( m_file );
324 writer.write( simpleXML );
325 writer.close();
326 writer = new FileWriter ( m_nsFile );
327 writer.write( nsXML );
328 writer.close();
329
330 }
331
332 protected void tearDown()
333 throws Exception
334 {
335
341 m_builder = null;
342 m_nsBuilder = null;
343 }
344
345
346 public void testBuildFromFileName()
347 throws Exception
348 {
349 m_builder = new DefaultConfigurationBuilder();
350 m_nsBuilder = new DefaultConfigurationBuilder(true); Configuration conf = m_builder.buildFromFile( m_path + m_simpleFileName );
352 simpleAssertions( conf );
353 conf = m_builder.buildFromFile( m_path + m_nsFileName );
354 simpleAssertionsNS( conf );
355 conf = m_nsBuilder.buildFromFile( m_path + m_nsFileName );
356 nsAssertions( conf );
357 }
358
359 public void testBuildFromFile()
360 throws Exception
361 {
362 m_builder = new DefaultConfigurationBuilder();
363 m_nsBuilder = new DefaultConfigurationBuilder(true); Configuration conf = m_builder.buildFromFile( m_file );
365 simpleAssertions( conf );
366 conf = m_builder.buildFromFile( m_nsFile );
367 simpleAssertionsNS( conf );
368 conf = m_nsBuilder.buildFromFile( m_nsFile );
369 nsAssertions( conf );
370 }
371
372 public void testBuild()
373 throws Exception
374 {
375 m_builder = new DefaultConfigurationBuilder();
376 m_nsBuilder = new DefaultConfigurationBuilder(true); Configuration conf = m_builder.build( m_file.toURL().toString() );
378 simpleAssertions( conf );
379 conf = m_builder.buildFromFile( m_nsFile );
380 simpleAssertionsNS( conf );
381 conf = m_nsBuilder.buildFromFile( m_nsFile );
382 nsAssertions( conf );
383 }
384
385 private final String spaceTrimmingCheckXML =
386 "<?xml version=\"1.0\" ?>"+
387 " <config>"+
388 " <trimmed-item>\n"+
389 " value \n"+
390 " </trimmed-item>\n"+
391 " <preserved-item xml:space='preserve'>\n"+
392 " a space a CR, then a trailing space </preserved-item>\n"+
393 " <first-level-item xml:space='preserve'>\n"+
394 " <second-level-preserved> whitespace around </second-level-preserved>\n"+
395 " </first-level-item>\n"+
396 " <trimmed-again-item>\n"+
397 " value \n"+
398 " </trimmed-again-item>\n"+
399 "</config>";
400
401
405 public void testSpaceTrimming()
406 throws Exception
407 {
408 DefaultConfigurationBuilder builder = new DefaultConfigurationBuilder();
409 InputStream in = new ByteArrayInputStream ( spaceTrimmingCheckXML.getBytes() );
410 Configuration conf = builder.build( in );
411 assertEquals( "Value is trimmed by default",
412 "value",
413 conf.getChild( "trimmed-item" ).getValue() );
414 assertEquals( "After trimming turned off value is preserved",
415 "\n a space\r a CR, then a trailing space ",
416 conf.getChild( "preserved-item" ).getValue() );
417 assertEquals( "Trimming two levels deep works too",
418 " whitespace around ",
419 conf.getChild( "first-level-item" )
420 .getChild( "second-level-preserved" ).getValue() );
421 assertEquals( "Trimming turned back on",
422 "value",
423 conf.getChild( "trimmed-again-item" ).getValue() );
424 }
425
426
427 private final String mixedContentXML =
428 "<?xml version=\"1.0\" ?>"+
429 "<a>a<a/></a>"
430 ;
431 public void testMixedContentDetection()
432 throws Exception
433 {
434 DefaultConfigurationBuilder builder = new DefaultConfigurationBuilder();
435 InputStream in = new ByteArrayInputStream ( mixedContentXML.getBytes() );
436 try
437 {
438 builder.build( in );
439 fail ("Must fail on mixed content");
440 } catch ( SAXException e )
441 {}
442 }
443 }
444 |
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