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test-driver.c
author Dan Winship <danw@gnome.org>
Wed Mar 05 19:01:51 2008 -0500 (2008-03-05)
changeset 146 1d4043c9f869
parent 137 4722cd3437cb
child 154 229fb0caa092
permissions -rw-r--r--
move razor_set_diff so it's not in the middle of the transaction code 
     1 #include <stdio.h>

     2 #include <string.h>

     3 #include <stdarg.h>

     4 #include <unistd.h>

     5 #include <fcntl.h>

     6 #include <errno.h>

     7 #include <expat.h>

     8 

     9 #include "razor.h"

    10 

    11 #define XML_BUFFER_SIZE 4096

    12 

    13 static void

    14 parse_xml_file(const char *filename,

    15 	       XML_StartElementHandler start,

    16 	       XML_EndElementHandler end,

    17 	       void *data)

    18 {

    19 	XML_Parser parser;

    20 	char *buffer;

    21 	int fd, len, err;

    22 

    23 	parser = XML_ParserCreate(NULL);

    24 	XML_SetElementHandler(parser, start, end);

    25 	XML_SetUserData(parser, data);

    26 

    27 	fd = open(filename, O_RDONLY);

    28 	if (fd < 0) {

    29 		fprintf(stderr, "failed to open %s: %m\n", filename);

    30 		exit(-1);

    31 	}

    32 

    33 	while (1) {

    34 		buffer = XML_GetBuffer(parser, XML_BUFFER_SIZE);

    35 		len = read(fd, buffer, XML_BUFFER_SIZE);

    36 		if (len == 0)

    37 			break;

    38 		err = XML_ParseBuffer(parser, len, len == 0);

    39 		if (err == XML_STATUS_ERROR) {

    40 			fprintf(stderr, "parse error at line %lu:\n%s\n",

    41 				XML_GetCurrentLineNumber(parser),

    42 				XML_ErrorString(XML_GetErrorCode(parser)));

    43 			exit(-1);

    44 		}

    45 	}

    46 

    47 	if (fd < 0) {

    48 		fprintf(stderr, "read: %m\n");

    49 		exit(-1);

    50 	}

    51 

    52 	close(fd);

    53 }

    54 

    55 struct test_context {

    56 	struct razor_set *system_set, *repo_set, *result_set;

    57 

    58 	struct razor_importer *importer;

    59 	struct razor_set **importer_set;

    60 

    61 	struct razor_transaction *trans;

    62 	struct razor_transaction_package *unsat;

    63 

    64 	char *install_pkgs[3], *remove_pkgs[3];

    65 	int n_install_pkgs, n_remove_pkgs;

    66 

    67 	int in_result, result_errors;

    68 

    69 	int debug;

    70 };

    71 

    72 static void

    73 get_atts(const char **atts, ...)

    74 {

    75 	va_list ap;

    76 	const char *name, **ptr;

    77 	int i;

    78 

    79 	va_start(ap, atts);

    80 	while (name = va_arg(ap, const char *), name != NULL) {

    81 		ptr = va_arg(ap, const char **);

    82 		*ptr = NULL;

    83 		for (i = 0; atts[i]; i += 2) {

    84 			if (strcmp(atts[i], name) == 0)

    85 				*ptr = atts[i + 1];

    86 		}

    87 	}

    88 	va_end(ap);

    89 }

    90 

    91 static enum razor_version_relation

    92 parse_relation (const char *rel_str)

    93 {

    94 	if (!rel_str)

    95 		return -1;

    96 	if (rel_str[0] == 'L')

    97 		return rel_str[1] == 'E' ? RAZOR_VERSION_LESS_OR_EQUAL : RAZOR_VERSION_LESS;

    98 	else if (rel_str[0] == 'G')

    99 		return rel_str[1] == 'E' ? RAZOR_VERSION_GREATER_OR_EQUAL : RAZOR_VERSION_GREATER;

   100 	else if (rel_str[0] == 'E' || rel_str[1] == 'Q')

   101 		return RAZOR_VERSION_EQUAL;

   102 	else

   103 		return -1;

   104 }

   105 

   106 static void

   107 start_test(struct test_context *ctx, const char **atts)

   108 {

   109 	const char *name = NULL;

   110 

   111 	get_atts(atts, "name", &name, NULL);

   112 	if (!name) {

   113 		fprintf(stderr, "Test with no name\n");

   114 		exit(1);

   115 	}

   116 	printf("%s\n", name);

   117 }

   118 

   119 static void

   120 end_test(struct test_context *ctx)

   121 {

   122 	if (ctx->system_set) {

   123 		razor_set_destroy(ctx->system_set);

   124 		ctx->system_set = NULL;

   125 	}

   126 	if (ctx->repo_set) {

   127 		razor_set_destroy(ctx->repo_set);

   128 		ctx->repo_set = NULL;

   129 	}

   130 	if (ctx->result_set) {

   131 		razor_set_destroy(ctx->result_set);

   132 		ctx->result_set = NULL;

   133 	}

   134 	if (ctx->trans) {

   135 		razor_transaction_destroy(ctx->trans);

   136 		ctx->trans = NULL;

   137 	}

   138 }

   139 

   140 static void

   141 start_set(struct test_context *ctx, const char **atts)

   142 {

   143 	const char *name = NULL;

   144 

   145 	ctx->importer = razor_importer_new();

   146 	get_atts(atts, "name", &name, NULL);

   147 	if (!name)

   148 		ctx->importer_set = &ctx->result_set;

   149 	else if (!strcmp(name, "system"))

   150 		ctx->importer_set = &ctx->system_set;

   151 	else if (!strcmp(name, "repo"))

   152 		ctx->importer_set = &ctx->repo_set;

   153 	else {

   154 		fprintf(stderr, "  bad set name '%s'\n", name);

   155 		exit(1);

   156 	}

   157 }

   158 

   159 static void

   160 end_set(struct test_context *ctx)

   161 {

   162 	*ctx->importer_set = razor_importer_finish(ctx->importer);

   163 	ctx->importer = NULL;

   164 }

   165 

   166 static void

   167 start_package(struct test_context *ctx, const char **atts)

   168 {

   169 	const char *name = NULL, *version = NULL, *arch = NULL;

   170 

   171 	get_atts(atts, "name", &name, "version", &version, "arch", &arch, NULL);

   172 	if (!name) {

   173 		fprintf(stderr, "  package with no name\n");

   174 		exit(1);

   175 	}

   176 

   177 	razor_importer_begin_package(ctx->importer, name, version);

   178 	razor_importer_add_property(ctx->importer, name,

   179 				    RAZOR_VERSION_EQUAL, version,

   180 				    RAZOR_PROPERTY_PROVIDES);

   181 }

   182 

   183 static void

   184 end_package(struct test_context *ctx)

   185 {

   186 	razor_importer_finish_package(ctx->importer);

   187 }

   188 

   189 static void

   190 add_property(struct test_context *ctx, enum razor_property_type type, const char *name, enum razor_version_relation rel, const char *version)

   191 {

   192 	razor_importer_add_property(ctx->importer, name,

   193 				    rel, version, type);

   194 }

   195 

   196 static void

   197 check_unsatisfiable_property(struct test_context *ctx, enum razor_property_type type, const char *name, enum razor_version_relation rel, const char *version)

   198 {

   199 	if (!version)

   200 		version = "";

   201 

   202 	for (; ctx->unsat < ctx->trans->packages + ctx->trans->package_count; ctx->unsat++) {

   203 		if (ctx->unsat->state != RAZOR_PACKAGE_UNSATISFIABLE)

   204 			continue;

   205 		if (strcmp(name, ctx->unsat->dep_property) != 0 ||

   206 		    rel != ctx->unsat->dep_relation ||

   207 		    strcmp(version, ctx->unsat->dep_version) != 0)

   208 			continue;

   209 

   210 		/* OK, found it, so skip over it and continue */

   211 		ctx->unsat++;

   212 		return;

   213 	}

   214 

   215 	fprintf(stderr, "  didn't get unsatisfiable '%s %s %s'\n",

   216 		name, razor_version_relations[rel], version);

   217 	exit(1);

   218 }

   219 

   220 static void

   221 start_property(struct test_context *ctx, enum razor_property_type type, const char **atts)

   222 {

   223 	const char *name = NULL, *rel_str = NULL, *version = NULL;

   224 	enum razor_version_relation rel;

   225 

   226 	get_atts(atts, "name", &name, "relation", &rel_str, "version", &version, NULL);

   227 	if (name == NULL) {

   228 		fprintf(stderr, "  no name specified for property\n");

   229 		exit(1);

   230 	}

   231 	if (version) {

   232 		rel = parse_relation(rel_str);

   233 		if (rel == -1) {

   234 			fprintf(stderr, "  bad or missing version relation for property %s\n", name);

   235 			exit(1);

   236 		}

   237 	} else

   238 		rel = RAZOR_VERSION_EQUAL;

   239 	

   240 	if (ctx->unsat)

   241 		check_unsatisfiable_property(ctx, type, name, rel, version);

   242 	else

   243 		add_property(ctx, type, name, rel, version);

   244 }

   245 

   246 static void

   247 start_transaction(struct test_context *ctx, const char **atts)

   248 {

   249 	ctx->n_install_pkgs = 0;

   250 	ctx->n_remove_pkgs = 0;

   251 }

   252 

   253 static void

   254 end_transaction(struct test_context *ctx)

   255 {

   256 	ctx->trans = razor_transaction_create(ctx->system_set, ctx->repo_set,

   257 					      ctx->n_install_pkgs,

   258 					      (const char **)ctx->install_pkgs,

   259 					      ctx->n_remove_pkgs,

   260 					      (const char **)ctx->remove_pkgs);

   261 	if (ctx->debug) {

   262 		razor_transaction_describe(ctx->trans);

   263 		printf("\n");

   264 	}

   265 

   266 	while (ctx->n_install_pkgs--)

   267 		free(ctx->install_pkgs[ctx->n_install_pkgs]);

   268 	while (ctx->n_remove_pkgs--)

   269 		free(ctx->remove_pkgs[ctx->n_remove_pkgs]);

   270 

   271 	if (!ctx->trans->errors) {

   272 		struct razor_set *new;

   273 		new = razor_transaction_run(ctx->trans);

   274 		razor_set_destroy(ctx->system_set);

   275 		ctx->system_set = new;

   276 	}

   277 }

   278 

   279 static void

   280 start_install_or_update(struct test_context *ctx, const char **atts)

   281 {

   282 	const char *name = NULL;

   283 

   284 	get_atts(atts, "name", &name, NULL);

   285 	if (!name) {

   286 		fprintf(stderr, "  install/update with no name\n");

   287 		exit(1);

   288 	}

   289 

   290 	ctx->install_pkgs[ctx->n_install_pkgs++] = strdup(name);

   291 }

   292 

   293 static void

   294 start_remove(struct test_context *ctx, const char **atts)

   295 {

   296 	const char *name = NULL;

   297 

   298 	get_atts(atts, "name", &name, NULL);

   299 	if (!name) {

   300 		fprintf(stderr, "  remove with no name\n");

   301 		exit(1);

   302 	}

   303 

   304 	ctx->remove_pkgs[ctx->n_remove_pkgs++] = strdup(name);

   305 }

   306 

   307 static void

   308 start_result(struct test_context *ctx, const char **atts)

   309 {

   310 	ctx->in_result = 1;

   311 }

   312 

   313 static void

   314 diff_callback(const char *name,

   315 	      const char *old_version, const char *new_version,

   316 	      void *data)

   317 {

   318 	struct test_context *ctx = data;

   319 

   320 	ctx->result_errors++;

   321 	if (old_version) {

   322 		fprintf(stderr, "  result set should not contain %s %s\n",

   323 			name, old_version);

   324 	} else {

   325 		fprintf(stderr, "  result set should contain %s %s\n",

   326 			name, new_version);

   327 	}

   328 }

   329 

   330 static void

   331 end_result(struct test_context *ctx)

   332 {

   333 	ctx->in_result = 0;

   334 

   335 	if (ctx->result_set) {

   336 		if (!ctx->system_set)

   337 			ctx->system_set = razor_set_create();

   338 		ctx->result_errors = 0;

   339 		razor_set_diff(ctx->system_set, ctx->result_set,

   340 			       diff_callback, ctx);

   341 		if (ctx->result_errors)

   342 			exit(1);

   343 	}

   344 }

   345 

   346 static void

   347 start_unsatisfiable(struct test_context *ctx, const char **atts)

   348 {

   349 	if (ctx->result_set) {

   350 		fprintf(stderr, "Expected to fail, but didn't\n");

   351 		exit(1);

   352 	}

   353 

   354 	ctx->unsat = ctx->trans->packages;

   355 }

   356 

   357 static void

   358 end_unsatisfiable(struct test_context *ctx)

   359 {

   360 	ctx->unsat = NULL;

   361 }

   362 

   363 static void

   364 start_test_element(void *data, const char *element, const char **atts)

   365 {

   366 	struct test_context *ctx = data;

   367 

   368 	if (strcmp(element, "tests") == 0) {

   369 		;

   370 	} else if (strcmp(element, "test") == 0) {

   371 		start_test(ctx, atts);

   372 	} else if (strcmp(element, "set") == 0) {

   373 		start_set(ctx, atts);

   374 	} else if (strcmp(element, "transaction") == 0) {

   375 		start_transaction(ctx, atts);

   376 	} else if (strcmp(element, "install") == 0) {

   377 		start_install_or_update(ctx, atts);

   378 	} else if (strcmp(element, "install") == 0) {

   379 		start_install_or_update(ctx, atts);

   380 	} else if (strcmp(element, "remove") == 0) {

   381 		start_remove(ctx, atts);

   382 	} else if (strcmp(element, "result") == 0) {

   383 		start_result(ctx, atts);

   384 	} else if (strcmp(element, "unsatisfiable") == 0) {

   385 		start_unsatisfiable(ctx, atts);

   386 	} else if (strcmp(element, "package") == 0) {

   387 		start_package(ctx, atts);

   388 	} else if (strcmp(element, "requires") == 0) {

   389 		start_property(ctx, RAZOR_PROPERTY_REQUIRES, atts);

   390 	} else if (strcmp(element, "provides") == 0) {

   391 		start_property(ctx, RAZOR_PROPERTY_PROVIDES, atts);

   392 	} else if (strcmp(element, "conflicts") == 0) {

   393 		start_property(ctx, RAZOR_PROPERTY_CONFLICTS, atts);

   394 	} else if (strcmp(element, "obsoletes") == 0) {

   395 		start_property(ctx, RAZOR_PROPERTY_OBSOLETES, atts);

   396 	} else {

   397 		fprintf(stderr, "Unrecognized element '%s'\n", element);

   398 		exit(1);

   399 	}

   400 }

   401 

   402 static void

   403 end_test_element (void *data, const char *element)

   404 {

   405 	struct test_context *ctx = data;

   406 

   407 	if (strcmp(element, "test") == 0) {

   408 		end_test(ctx);

   409 	} else if (strcmp(element, "set") == 0) {

   410 		end_set(ctx);

   411 	} else if (strcmp(element, "package") == 0) {

   412 		end_package(ctx);

   413 	} else if (strcmp(element, "transaction") == 0) {

   414 		end_transaction(ctx);

   415 	} else if (strcmp(element, "result") == 0) {

   416 		end_result(ctx);

   417 	} else if (strcmp(element, "unsatisfiable") == 0) {

   418 		end_unsatisfiable(ctx);

   419 	}

   420 }

   421 

   422 int main(int argc, char *argv[])

   423 {

   424 	struct test_context ctx;

   425 	const char *test_file;

   426 

   427 	memset(&ctx, 0, sizeof ctx);

   428 

   429 	if (argc > 3) {

   430 		fprintf(stderr, "usage: %s [-d] [TESTS-FILE]\n", argv[0]);

   431 		exit(-1);			

   432 	}

   433 

   434 	if (argc >= 2 && !strcmp (argv[1], "-d")) {

   435 		ctx.debug = 1;

   436 		argc--;

   437 		argv++;

   438 	}

   439 	if (argc == 2)

   440 		test_file = argv[1];

   441 	else

   442 		test_file = "test.xml";

   443 

   444 	parse_xml_file(test_file, start_test_element, end_test_element, &ctx);

   445 

   446 	return 0;

   447 }
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