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1 /*
2  * runsuite.c: C program to run libxml2 againts published testsuites
3  *
4  * See Copyright for the status of this software.
5  *
6  * daniel@veillard.com
7  */
8 
9 #include "libxml.h"
10 #include <stdio.h>
11 
12 #ifdef LIBXML_XPATH_ENABLED
13 
14 #if !defined(_WIN32) || defined(__CYGWIN__)
15 #include <unistd.h>
16 #endif
17 #include <string.h>
18 #include <sys/types.h>
19 #include <sys/stat.h>
20 #include <fcntl.h>
21 
22 #include <libxml/parser.h>
23 #include <libxml/parserInternals.h>
24 #include <libxml/tree.h>
25 #include <libxml/uri.h>
26 #include <libxml/xmlreader.h>
27 
28 #include <libxml/xpath.h>
29 #include <libxml/xpathInternals.h>
30 
31 #define LOGFILE "runxmlconf.log"
32 static FILE *logfile = NULL;
33 static int verbose = 0;
34 
35 #define NB_EXPECTED_ERRORS 15
36 
37 
38 const char *skipped_tests[] = {
39 /* http://lists.w3.org/Archives/Public/public-xml-testsuite/2008Jul/0000.html */
40     "rmt-ns10-035",
41     NULL
42 };
43 
44 /************************************************************************
45  *									*
46  *		File name and path utilities				*
47  *									*
48  ************************************************************************/
49 
checkTestFile(const char * filename)50 static int checkTestFile(const char *filename) {
51     struct stat buf;
52 
53     if (stat(filename, &buf) == -1)
54         return(0);
55 
56 #if defined(_WIN32) && !defined(__CYGWIN__)
57     if (!(buf.st_mode & _S_IFREG))
58         return(0);
59 #else
60     if (!S_ISREG(buf.st_mode))
61         return(0);
62 #endif
63 
64     return(1);
65 }
66 
composeDir(const xmlChar * dir,const xmlChar * path)67 static xmlChar *composeDir(const xmlChar *dir, const xmlChar *path) {
68     char buf[500];
69 
70     if (dir == NULL) return(xmlStrdup(path));
71     if (path == NULL) return(NULL);
72 
73     snprintf(buf, 500, "%s/%s", (const char *) dir, (const char *) path);
74     return(xmlStrdup((const xmlChar *) buf));
75 }
76 
77 /************************************************************************
78  *									*
79  *		Libxml2 specific routines				*
80  *									*
81  ************************************************************************/
82 
83 static int nb_skipped = 0;
84 static int nb_tests = 0;
85 static int nb_errors = 0;
86 static int nb_leaks = 0;
87 
88 /*
89  * We need to trap calls to the resolver to not account memory for the catalog
90  * and not rely on any external resources.
91  */
92 static xmlParserInputPtr
testExternalEntityLoader(const char * URL,const char * ID ATTRIBUTE_UNUSED,xmlParserCtxtPtr ctxt)93 testExternalEntityLoader(const char *URL, const char *ID ATTRIBUTE_UNUSED,
94 			 xmlParserCtxtPtr ctxt) {
95     xmlParserInputPtr ret;
96 
97     ret = xmlNewInputFromFile(ctxt, (const char *) URL);
98 
99     return(ret);
100 }
101 
102 /*
103  * Trapping the error messages at the generic level to grab the equivalent of
104  * stderr messages on CLI tools.
105  */
106 static char testErrors[32769];
107 static int testErrorsSize = 0;
108 static int nbError = 0;
109 static int nbFatal = 0;
110 
test_log(const char * msg,...)111 static void test_log(const char *msg, ...) {
112     va_list args;
113     if (logfile != NULL) {
114         fprintf(logfile, "\n------------\n");
115 	va_start(args, msg);
116 	vfprintf(logfile, msg, args);
117 	va_end(args);
118 	fprintf(logfile, "%s", testErrors);
119 	testErrorsSize = 0; testErrors[0] = 0;
120     }
121     if (verbose) {
122 	va_start(args, msg);
123 	vfprintf(stderr, msg, args);
124 	va_end(args);
125     }
126 }
127 
128 static void
testErrorHandler(void * userData ATTRIBUTE_UNUSED,xmlErrorPtr error)129 testErrorHandler(void *userData ATTRIBUTE_UNUSED, xmlErrorPtr error) {
130     int res;
131 
132     if (testErrorsSize >= 32768)
133         return;
134     res = snprintf(&testErrors[testErrorsSize],
135                     32768 - testErrorsSize,
136 		   "%s:%d: %s\n", (error->file ? error->file : "entity"),
137 		   error->line, error->message);
138     if (error->level == XML_ERR_FATAL)
139         nbFatal++;
140     else if (error->level == XML_ERR_ERROR)
141         nbError++;
142     if (testErrorsSize + res >= 32768) {
143         /* buffer is full */
144 	testErrorsSize = 32768;
145 	testErrors[testErrorsSize] = 0;
146     } else {
147         testErrorsSize += res;
148     }
149     testErrors[testErrorsSize] = 0;
150 }
151 
152 static xmlXPathContextPtr ctxtXPath;
153 
154 static void
initializeLibxml2(void)155 initializeLibxml2(void) {
156     xmlGetWarningsDefaultValue = 0;
157     xmlPedanticParserDefault(0);
158 
159     xmlMemSetup(xmlMemFree, xmlMemMalloc, xmlMemRealloc, xmlMemoryStrdup);
160     xmlInitParser();
161     xmlSetExternalEntityLoader(testExternalEntityLoader);
162     ctxtXPath = xmlXPathNewContext(NULL);
163     /*
164     * Deactivate the cache if created; otherwise we have to create/free it
165     * for every test, since it will confuse the memory leak detection.
166     * Note that normally this need not be done, since the cache is not
167     * created until set explicitely with xmlXPathContextSetCache();
168     * but for test purposes it is sometimes usefull to activate the
169     * cache by default for the whole library.
170     */
171     if (ctxtXPath->cache != NULL)
172 	xmlXPathContextSetCache(ctxtXPath, 0, -1, 0);
173     xmlSetStructuredErrorFunc(NULL, testErrorHandler);
174 }
175 
176 /************************************************************************
177  *									*
178  *		Run the xmlconf test if found				*
179  *									*
180  ************************************************************************/
181 
182 static int
xmlconfTestInvalid(const char * id,const char * filename,int options)183 xmlconfTestInvalid(const char *id, const char *filename, int options) {
184     xmlDocPtr doc;
185     xmlParserCtxtPtr ctxt;
186     int ret = 1;
187 
188     ctxt = xmlNewParserCtxt();
189     if (ctxt == NULL) {
190         test_log("test %s : %s out of memory\n",
191 	         id, filename);
192         return(0);
193     }
194     doc = xmlCtxtReadFile(ctxt, filename, NULL, options);
195     if (doc == NULL) {
196         test_log("test %s : %s invalid document turned not well-formed too\n",
197 	         id, filename);
198     } else {
199     /* invalidity should be reported both in the context and in the document */
200         if ((ctxt->valid != 0) || (doc->properties & XML_DOC_DTDVALID)) {
201 	    test_log("test %s : %s failed to detect invalid document\n",
202 		     id, filename);
203 	    nb_errors++;
204 	    ret = 0;
205 	}
206 	xmlFreeDoc(doc);
207     }
208     xmlFreeParserCtxt(ctxt);
209     return(ret);
210 }
211 
212 static int
xmlconfTestValid(const char * id,const char * filename,int options)213 xmlconfTestValid(const char *id, const char *filename, int options) {
214     xmlDocPtr doc;
215     xmlParserCtxtPtr ctxt;
216     int ret = 1;
217 
218     ctxt = xmlNewParserCtxt();
219     if (ctxt == NULL) {
220         test_log("test %s : %s out of memory\n",
221 	         id, filename);
222         return(0);
223     }
224     doc = xmlCtxtReadFile(ctxt, filename, NULL, options);
225     if (doc == NULL) {
226         test_log("test %s : %s failed to parse a valid document\n",
227 	         id, filename);
228         nb_errors++;
229 	ret = 0;
230     } else {
231     /* validity should be reported both in the context and in the document */
232         if ((ctxt->valid == 0) || ((doc->properties & XML_DOC_DTDVALID) == 0)) {
233 	    test_log("test %s : %s failed to validate a valid document\n",
234 		     id, filename);
235 	    nb_errors++;
236 	    ret = 0;
237 	}
238 	xmlFreeDoc(doc);
239     }
240     xmlFreeParserCtxt(ctxt);
241     return(ret);
242 }
243 
244 static int
xmlconfTestNotNSWF(const char * id,const char * filename,int options)245 xmlconfTestNotNSWF(const char *id, const char *filename, int options) {
246     xmlDocPtr doc;
247     int ret = 1;
248 
249     /*
250      * In case of Namespace errors, libxml2 will still parse the document
251      * but log a Namesapce error.
252      */
253     doc = xmlReadFile(filename, NULL, options);
254     if (doc == NULL) {
255         test_log("test %s : %s failed to parse the XML\n",
256 	         id, filename);
257         nb_errors++;
258 	ret = 0;
259     } else {
260 	if ((xmlLastError.code == XML_ERR_OK) ||
261 	    (xmlLastError.domain != XML_FROM_NAMESPACE)) {
262 	    test_log("test %s : %s failed to detect namespace error\n",
263 		     id, filename);
264 	    nb_errors++;
265 	    ret = 0;
266 	}
267 	xmlFreeDoc(doc);
268     }
269     return(ret);
270 }
271 
272 static int
xmlconfTestNotWF(const char * id,const char * filename,int options)273 xmlconfTestNotWF(const char *id, const char *filename, int options) {
274     xmlDocPtr doc;
275     int ret = 1;
276 
277     doc = xmlReadFile(filename, NULL, options);
278     if (doc != NULL) {
279         test_log("test %s : %s failed to detect not well formedness\n",
280 	         id, filename);
281         nb_errors++;
282 	xmlFreeDoc(doc);
283 	ret = 0;
284     }
285     return(ret);
286 }
287 
288 static int
xmlconfTestItem(xmlDocPtr doc,xmlNodePtr cur)289 xmlconfTestItem(xmlDocPtr doc, xmlNodePtr cur) {
290     int ret = -1;
291     xmlChar *type = NULL;
292     xmlChar *filename = NULL;
293     xmlChar *uri = NULL;
294     xmlChar *base = NULL;
295     xmlChar *id = NULL;
296     xmlChar *rec = NULL;
297     xmlChar *version = NULL;
298     xmlChar *entities = NULL;
299     xmlChar *edition = NULL;
300     int options = 0;
301     int nstest = 0;
302     int mem, final;
303     int i;
304 
305     testErrorsSize = 0; testErrors[0] = 0;
306     nbError = 0;
307     nbFatal = 0;
308     id = xmlGetProp(cur, BAD_CAST "ID");
309     if (id == NULL) {
310         test_log("test missing ID, line %ld\n", xmlGetLineNo(cur));
311 	goto error;
312     }
313     for (i = 0;skipped_tests[i] != NULL;i++) {
314         if (!strcmp(skipped_tests[i], (char *) id)) {
315 	    test_log("Skipping test %s from skipped list\n", (char *) id);
316 	    ret = 0;
317 	    nb_skipped++;
318 	    goto error;
319 	}
320     }
321     type = xmlGetProp(cur, BAD_CAST "TYPE");
322     if (type == NULL) {
323         test_log("test %s missing TYPE\n", (char *) id);
324 	goto error;
325     }
326     uri = xmlGetProp(cur, BAD_CAST "URI");
327     if (uri == NULL) {
328         test_log("test %s missing URI\n", (char *) id);
329 	goto error;
330     }
331     base = xmlNodeGetBase(doc, cur);
332     filename = composeDir(base, uri);
333     if (!checkTestFile((char *) filename)) {
334         test_log("test %s missing file %s \n", id,
335 	         (filename ? (char *)filename : "NULL"));
336 	goto error;
337     }
338 
339     version = xmlGetProp(cur, BAD_CAST "VERSION");
340 
341     entities = xmlGetProp(cur, BAD_CAST "ENTITIES");
342     if (!xmlStrEqual(entities, BAD_CAST "none")) {
343         options |= XML_PARSE_DTDLOAD;
344         options |= XML_PARSE_NOENT;
345     }
346     rec = xmlGetProp(cur, BAD_CAST "RECOMMENDATION");
347     if ((rec == NULL) ||
348         (xmlStrEqual(rec, BAD_CAST "XML1.0")) ||
349 	(xmlStrEqual(rec, BAD_CAST "XML1.0-errata2e")) ||
350 	(xmlStrEqual(rec, BAD_CAST "XML1.0-errata3e")) ||
351 	(xmlStrEqual(rec, BAD_CAST "XML1.0-errata4e"))) {
352 	if ((version != NULL) && (!xmlStrEqual(version, BAD_CAST "1.0"))) {
353 	    test_log("Skipping test %s for %s\n", (char *) id,
354 	             (char *) version);
355 	    ret = 0;
356 	    nb_skipped++;
357 	    goto error;
358 	}
359 	ret = 1;
360     } else if ((xmlStrEqual(rec, BAD_CAST "NS1.0")) ||
361 	       (xmlStrEqual(rec, BAD_CAST "NS1.0-errata1e"))) {
362 	ret = 1;
363 	nstest = 1;
364     } else {
365         test_log("Skipping test %s for REC %s\n", (char *) id, (char *) rec);
366 	ret = 0;
367 	nb_skipped++;
368 	goto error;
369     }
370     edition = xmlGetProp(cur, BAD_CAST "EDITION");
371     if ((edition != NULL) && (xmlStrchr(edition, '5') == NULL)) {
372         /* test limited to all versions before 5th */
373 	options |= XML_PARSE_OLD10;
374     }
375 
376     /*
377      * Reset errors and check memory usage before the test
378      */
379     xmlResetLastError();
380     testErrorsSize = 0; testErrors[0] = 0;
381     mem = xmlMemUsed();
382 
383     if (xmlStrEqual(type, BAD_CAST "not-wf")) {
384         if (nstest == 0)
385 	    xmlconfTestNotWF((char *) id, (char *) filename, options);
386         else
387 	    xmlconfTestNotNSWF((char *) id, (char *) filename, options);
388     } else if (xmlStrEqual(type, BAD_CAST "valid")) {
389         options |= XML_PARSE_DTDVALID;
390 	xmlconfTestValid((char *) id, (char *) filename, options);
391     } else if (xmlStrEqual(type, BAD_CAST "invalid")) {
392         options |= XML_PARSE_DTDVALID;
393 	xmlconfTestInvalid((char *) id, (char *) filename, options);
394     } else if (xmlStrEqual(type, BAD_CAST "error")) {
395         test_log("Skipping error test %s \n", (char *) id);
396 	ret = 0;
397 	nb_skipped++;
398 	goto error;
399     } else {
400         test_log("test %s unknown TYPE value %s\n", (char *) id, (char *)type);
401 	ret = -1;
402 	goto error;
403     }
404 
405     /*
406      * Reset errors and check memory usage after the test
407      */
408     xmlResetLastError();
409     final = xmlMemUsed();
410     if (final > mem) {
411         test_log("test %s : %s leaked %d bytes\n",
412 	         id, filename, final - mem);
413         nb_leaks++;
414 	xmlMemDisplayLast(logfile, final - mem);
415     }
416     nb_tests++;
417 
418 error:
419     if (type != NULL)
420         xmlFree(type);
421     if (entities != NULL)
422         xmlFree(entities);
423     if (edition != NULL)
424         xmlFree(edition);
425     if (version != NULL)
426         xmlFree(version);
427     if (filename != NULL)
428         xmlFree(filename);
429     if (uri != NULL)
430         xmlFree(uri);
431     if (base != NULL)
432         xmlFree(base);
433     if (id != NULL)
434         xmlFree(id);
435     if (rec != NULL)
436         xmlFree(rec);
437     return(ret);
438 }
439 
440 static int
xmlconfTestCases(xmlDocPtr doc,xmlNodePtr cur,int level)441 xmlconfTestCases(xmlDocPtr doc, xmlNodePtr cur, int level) {
442     xmlChar *profile;
443     int ret = 0;
444     int tests = 0;
445     int output = 0;
446 
447     if (level == 1) {
448 	profile = xmlGetProp(cur, BAD_CAST "PROFILE");
449 	if (profile != NULL) {
450 	    output = 1;
451 	    level++;
452 	    printf("Test cases: %s\n", (char *) profile);
453 	    xmlFree(profile);
454 	}
455     }
456     cur = cur->children;
457     while (cur != NULL) {
458         /* look only at elements we ignore everything else */
459         if (cur->type == XML_ELEMENT_NODE) {
460 	    if (xmlStrEqual(cur->name, BAD_CAST "TESTCASES")) {
461 	        ret += xmlconfTestCases(doc, cur, level);
462 	    } else if (xmlStrEqual(cur->name, BAD_CAST "TEST")) {
463 	        if (xmlconfTestItem(doc, cur) >= 0)
464 		    ret++;
465 		tests++;
466 	    } else {
467 	        fprintf(stderr, "Unhandled element %s\n", (char *)cur->name);
468 	    }
469 	}
470         cur = cur->next;
471     }
472     if (output == 1) {
473 	if (tests > 0)
474 	    printf("Test cases: %d tests\n", tests);
475     }
476     return(ret);
477 }
478 
479 static int
xmlconfTestSuite(xmlDocPtr doc,xmlNodePtr cur)480 xmlconfTestSuite(xmlDocPtr doc, xmlNodePtr cur) {
481     xmlChar *profile;
482     int ret = 0;
483 
484     profile = xmlGetProp(cur, BAD_CAST "PROFILE");
485     if (profile != NULL) {
486         printf("Test suite: %s\n", (char *) profile);
487 	xmlFree(profile);
488     } else
489         printf("Test suite\n");
490     cur = cur->children;
491     while (cur != NULL) {
492         /* look only at elements we ignore everything else */
493         if (cur->type == XML_ELEMENT_NODE) {
494 	    if (xmlStrEqual(cur->name, BAD_CAST "TESTCASES")) {
495 	        ret += xmlconfTestCases(doc, cur, 1);
496 	    } else {
497 	        fprintf(stderr, "Unhandled element %s\n", (char *)cur->name);
498 	    }
499 	}
500         cur = cur->next;
501     }
502     return(ret);
503 }
504 
505 static void
xmlconfInfo(void)506 xmlconfInfo(void) {
507     fprintf(stderr, "  you need to fetch and extract the\n");
508     fprintf(stderr, "  latest XML Conformance Test Suites\n");
509     fprintf(stderr, "  http://www.w3.org/XML/Test/xmlts20080827.tar.gz\n");
510     fprintf(stderr, "  see http://www.w3.org/XML/Test/ for informations\n");
511 }
512 
513 static int
xmlconfTest(void)514 xmlconfTest(void) {
515     const char *confxml = "xmlconf/xmlconf.xml";
516     xmlDocPtr doc;
517     xmlNodePtr cur;
518     int ret = 0;
519 
520     if (!checkTestFile(confxml)) {
521         fprintf(stderr, "%s is missing \n", confxml);
522 	xmlconfInfo();
523 	return(-1);
524     }
525     doc = xmlReadFile(confxml, NULL, XML_PARSE_NOENT);
526     if (doc == NULL) {
527         fprintf(stderr, "%s is corrupted \n", confxml);
528 	xmlconfInfo();
529 	return(-1);
530     }
531 
532     cur = xmlDocGetRootElement(doc);
533     if ((cur == NULL) || (!xmlStrEqual(cur->name, BAD_CAST "TESTSUITE"))) {
534         fprintf(stderr, "Unexpected format %s\n", confxml);
535 	xmlconfInfo();
536 	ret = -1;
537     } else {
538         ret = xmlconfTestSuite(doc, cur);
539     }
540     xmlFreeDoc(doc);
541     return(ret);
542 }
543 
544 /************************************************************************
545  *									*
546  *		The driver for the tests				*
547  *									*
548  ************************************************************************/
549 
550 int
main(int argc ATTRIBUTE_UNUSED,char ** argv ATTRIBUTE_UNUSED)551 main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) {
552     int ret = 0;
553     int old_errors, old_tests, old_leaks;
554 
555     logfile = fopen(LOGFILE, "w");
556     if (logfile == NULL) {
557         fprintf(stderr,
558 	        "Could not open the log file, running in verbose mode\n");
559 	verbose = 1;
560     }
561     initializeLibxml2();
562 
563     if ((argc >= 2) && (!strcmp(argv[1], "-v")))
564         verbose = 1;
565 
566 
567     old_errors = nb_errors;
568     old_tests = nb_tests;
569     old_leaks = nb_leaks;
570     xmlconfTest();
571     if ((nb_errors == old_errors) && (nb_leaks == old_leaks))
572 	printf("Ran %d tests, no errors\n", nb_tests - old_tests);
573     else
574 	printf("Ran %d tests, %d errors, %d leaks\n",
575 	       nb_tests - old_tests,
576 	       nb_errors - old_errors,
577 	       nb_leaks - old_leaks);
578     if ((nb_errors == 0) && (nb_leaks == 0)) {
579         ret = 0;
580 	printf("Total %d tests, no errors\n",
581 	       nb_tests);
582     } else {
583 	ret = 1;
584 	printf("Total %d tests, %d errors, %d leaks\n",
585 	       nb_tests, nb_errors, nb_leaks);
586 	printf("See %s for detailed output\n", LOGFILE);
587 	if ((nb_leaks == 0) && (nb_errors == NB_EXPECTED_ERRORS)) {
588 	    printf("%d errors were expected\n", nb_errors);
589 	    ret = 0;
590 	}
591     }
592     xmlXPathFreeContext(ctxtXPath);
593     xmlCleanupParser();
594     xmlMemoryDump();
595 
596     if (logfile != NULL)
597         fclose(logfile);
598     return(ret);
599 }
600 
601 #else /* ! LIBXML_XPATH_ENABLED */
602 #include <stdio.h>
603 int
main(int argc,char ** argv)604 main(int argc, char **argv) {
605     fprintf(stderr, "%s need XPath support\n", argv[0]);
606 }
607 #endif
608