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test-driver.c
author Kristian H?gsberg <krh@redhat.com>
Sun Apr 06 19:24:07 2008 -0400 (2008-04-06)
changeset 190 d8b7dd11813d
parent 154 229fb0caa092
child 192 55b177b689c0
permissions -rw-r--r--
Hide a bunch of depsolver internals in razor.c. 
     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 

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

    64 	int n_install_pkgs, n_remove_pkgs;

    65 

    66 	int unsat;

    67 	int in_result;

    68 

    69 	int debug, errors;

    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,

   198 			     enum razor_property_type type,

   199 			     const char *name,

   200 			     enum razor_version_relation rel,

   201 			     const char *version)

   202 {

   203 	if (!version)

   204 		version = "";

   205 

   206 	if (razor_transaction_unsatisfied_property(ctx->trans,

   207 						   name, rel, version))

   208 		return;

   209 

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

   211 		name, razor_version_relations[rel], version);

   212 	ctx->errors++;

   213 }

   214 

   215 static void

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

   217 {

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

   219 	enum razor_version_relation rel;

   220 

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

   222 	if (name == NULL) {

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

   224 		exit(1);

   225 	}

   226 	if (version) {

   227 		rel = parse_relation(rel_str);

   228 		if (rel == -1) {

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

   230 			exit(1);

   231 		}

   232 	} else

   233 		rel = RAZOR_VERSION_EQUAL;

   234 	

   235 	if (ctx->unsat)

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

   237 	else

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

   239 }

   240 

   241 static void

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

   243 {

   244 	ctx->n_install_pkgs = 0;

   245 	ctx->n_remove_pkgs = 0;

   246 }

   247 

   248 static void

   249 end_transaction(struct test_context *ctx)

   250 {

   251 	int errors;

   252 

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

   254 					      ctx->n_install_pkgs,

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

   256 					      ctx->n_remove_pkgs,

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

   258 	errors = razor_transaction_describe(ctx->trans);

   259 	printf("\n");

   260 

   261 	while (ctx->n_install_pkgs--)

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

   263 	while (ctx->n_remove_pkgs--)

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

   265 

   266 	if (!errors) {

   267 		struct razor_set *new;

   268 		new = razor_transaction_run(ctx->trans);

   269 		razor_set_destroy(ctx->system_set);

   270 		ctx->system_set = new;

   271 	}

   272 }

   273 

   274 static void

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

   276 {

   277 	const char *name = NULL;

   278 

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

   280 	if (!name) {

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

   282 		exit(1);

   283 	}

   284 

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

   286 }

   287 

   288 static void

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

   290 {

   291 	const char *name = NULL;

   292 

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

   294 	if (!name) {

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

   296 		exit(1);

   297 	}

   298 

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

   300 }

   301 

   302 static void

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

   304 {

   305 	ctx->in_result = 1;

   306 }

   307 

   308 static void

   309 diff_callback(const char *name,

   310 	      const char *old_version, const char *new_version,

   311 	      void *data)

   312 {

   313 	struct test_context *ctx = data;

   314 

   315 	ctx->errors++;

   316 	if (old_version) {

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

   318 			name, old_version);

   319 	} else {

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

   321 			name, new_version);

   322 	}

   323 }

   324 

   325 static void

   326 end_result(struct test_context *ctx)

   327 {

   328 	ctx->in_result = 0;

   329 

   330 	if (ctx->result_set) {

   331 		if (!ctx->system_set)

   332 			ctx->system_set = razor_set_create();

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

   334 			       diff_callback, ctx);

   335 	}

   336 }

   337 

   338 static void

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

   340 {

   341 	if (ctx->result_set) {

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

   343 		exit(1);

   344 	}

   345 

   346 	ctx->unsat = 1;

   347 }

   348 

   349 static void

   350 end_unsatisfiable(struct test_context *ctx)

   351 {

   352 	ctx->unsat = 0;

   353 }

   354 

   355 static void

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

   357 {

   358 	struct test_context *ctx = data;

   359 

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

   361 		;

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

   363 		start_test(ctx, atts);

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

   365 		start_set(ctx, atts);

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

   367 		start_transaction(ctx, atts);

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

   369 		start_install_or_update(ctx, atts);

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

   371 		start_install_or_update(ctx, atts);

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

   373 		start_remove(ctx, atts);

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

   375 		start_result(ctx, atts);

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

   377 		start_unsatisfiable(ctx, atts);

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

   379 		start_package(ctx, atts);

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

   381 		start_property(ctx, RAZOR_PROPERTY_REQUIRES, atts);

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

   383 		start_property(ctx, RAZOR_PROPERTY_PROVIDES, atts);

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

   385 		start_property(ctx, RAZOR_PROPERTY_CONFLICTS, atts);

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

   387 		start_property(ctx, RAZOR_PROPERTY_OBSOLETES, atts);

   388 	} else {

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

   390 		exit(1);

   391 	}

   392 }

   393 

   394 static void

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

   396 {

   397 	struct test_context *ctx = data;

   398 

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

   400 		end_test(ctx);

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

   402 		end_set(ctx);

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

   404 		end_package(ctx);

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

   406 		end_transaction(ctx);

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

   408 		end_result(ctx);

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

   410 		end_unsatisfiable(ctx);

   411 	}

   412 }

   413 

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

   415 {

   416 	struct test_context ctx;

   417 	const char *test_file;

   418 

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

   420 

   421 	if (argc > 3) {

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

   423 		exit(-1);			

   424 	}

   425 

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

   427 		ctx.debug = 1;

   428 		argc--;

   429 		argv++;

   430 	}

   431 	if (argc == 2)

   432 		test_file = argv[1];

   433 	else

   434 		test_file = "test.xml";

   435 

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

   437 

   438 	if (ctx.errors) {

   439 		fprintf(stderr, "\n%d errors\n", ctx.errors);

   440 		return 1;

   441 	} else

   442 		return 0;

   443 }
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