| 1 | /* |
| 2 | * test_plugin.c |
| 3 | * |
| 4 | * CTF IR Reference Count test |
| 5 | * |
| 6 | * Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; under version 2 of the License. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | */ |
| 21 | |
| 22 | #include <babeltrace/plugin/plugin.h> |
| 23 | #include <babeltrace/ref.h> |
| 24 | #include <babeltrace/values.h> |
| 25 | #include <babeltrace/graph/component.h> |
| 26 | #include <babeltrace/graph/graph.h> |
| 27 | #include <stdlib.h> |
| 28 | #include <string.h> |
| 29 | #include <stdio.h> |
| 30 | #include <assert.h> |
| 31 | #include <glib.h> |
| 32 | #include "tap/tap.h" |
| 33 | #include "common.h" |
| 34 | |
| 35 | #define NR_TESTS 58 |
| 36 | #define NON_EXISTING_PATH "/this/hopefully/does/not/exist/5bc75f8d-0dba-4043-a509-d7984b97e42b.so" |
| 37 | |
| 38 | /* Those symbols are written to by some test plugins */ |
| 39 | static int check_env_var(const char *name) |
| 40 | { |
| 41 | const char *val = getenv(name); |
| 42 | |
| 43 | if (!val) { |
| 44 | return -1; |
| 45 | } |
| 46 | |
| 47 | return atoi(val); |
| 48 | } |
| 49 | |
| 50 | static void reset_test_plugin_env_vars(void) |
| 51 | { |
| 52 | g_setenv("BT_TEST_PLUGIN_INIT_CALLED", "0", 1); |
| 53 | g_setenv("BT_TEST_PLUGIN_EXIT_CALLED", "0", 1); |
| 54 | } |
| 55 | |
| 56 | static char *get_test_plugin_path(const char *plugin_dir, |
| 57 | const char *plugin_name) |
| 58 | { |
| 59 | GString *path = g_string_new(plugin_dir); |
| 60 | char *ret; |
| 61 | |
| 62 | assert(path); |
| 63 | g_string_append_printf(path, "/plugin-%s.so", plugin_name); |
| 64 | ret = path->str; |
| 65 | g_string_free(path, FALSE); |
| 66 | return ret; |
| 67 | } |
| 68 | |
| 69 | static void test_invalid(const char *plugin_dir) |
| 70 | { |
| 71 | struct bt_plugin_set *plugin_set; |
| 72 | |
| 73 | plugin_set = bt_plugin_create_all_from_file(NON_EXISTING_PATH); |
| 74 | ok(!plugin_set, "bt_plugin_create_all_from_file() fails with a non-existing file"); |
| 75 | |
| 76 | plugin_set = bt_plugin_create_all_from_file(plugin_dir); |
| 77 | ok(!plugin_set, "bt_plugin_create_all_from_file() fails with a directory"); |
| 78 | |
| 79 | ok(!bt_plugin_create_all_from_file(NULL), |
| 80 | "bt_plugin_create_all_from_file() handles NULL correctly"); |
| 81 | ok(!bt_plugin_create_all_from_dir(NULL, BT_FALSE), |
| 82 | "bt_plugin_create_all_from_dir() handles NULL correctly"); |
| 83 | ok(!bt_plugin_get_name(NULL), |
| 84 | "bt_plugin_get_name() handles NULL correctly"); |
| 85 | ok(!bt_plugin_get_description(NULL), |
| 86 | "bt_plugin_get_description() handles NULL correctly"); |
| 87 | ok(bt_plugin_get_version(NULL, NULL, NULL, NULL, NULL) != |
| 88 | BT_PLUGIN_STATUS_OK, |
| 89 | "bt_plugin_get_version() handles NULL correctly"); |
| 90 | ok(!bt_plugin_get_author(NULL), |
| 91 | "bt_plugin_get_author() handles NULL correctly"); |
| 92 | ok(!bt_plugin_get_license(NULL), |
| 93 | "bt_plugin_get_license() handles NULL correctly"); |
| 94 | ok(!bt_plugin_get_path(NULL), |
| 95 | "bt_plugin_get_path() handles NULL correctly"); |
| 96 | ok(bt_plugin_get_component_class_count(NULL) < 0, |
| 97 | "bt_plugin_get_component_class_count() handles NULL correctly"); |
| 98 | ok(!bt_plugin_get_component_class_by_index(NULL, 0), |
| 99 | "bt_plugin_get_component_class_by_index() handles NULL correctly"); |
| 100 | ok(!bt_plugin_get_component_class_by_name_and_type(NULL, NULL, 0), |
| 101 | "bt_plugin_get_component_class_by_name_and_type() handles NULL correctly"); |
| 102 | } |
| 103 | |
| 104 | static void test_minimal(const char *plugin_dir) |
| 105 | { |
| 106 | struct bt_plugin_set *plugin_set; |
| 107 | struct bt_plugin *plugin; |
| 108 | char *minimal_path = get_test_plugin_path(plugin_dir, "minimal"); |
| 109 | |
| 110 | assert(minimal_path); |
| 111 | diag("minimal plugin test below"); |
| 112 | |
| 113 | reset_test_plugin_env_vars(); |
| 114 | plugin_set = bt_plugin_create_all_from_file(minimal_path); |
| 115 | ok(plugin_set && bt_plugin_set_get_plugin_count(plugin_set) == 1, |
| 116 | "bt_plugin_create_all_from_file() succeeds with a valid file"); |
| 117 | ok(check_env_var("BT_TEST_PLUGIN_INIT_CALLED") == 1, |
| 118 | "plugin's initialization function is called during bt_plugin_create_all_from_file()"); |
| 119 | ok(bt_plugin_set_get_plugin_count(plugin_set) == 1, |
| 120 | "bt_plugin_create_all_from_file() returns the expected number of plugins"); |
| 121 | plugin = bt_plugin_set_get_plugin(plugin_set, 0); |
| 122 | ok(strcmp(bt_plugin_get_name(plugin), "test_minimal") == 0, |
| 123 | "bt_plugin_get_name() returns the expected name"); |
| 124 | ok(strcmp(bt_plugin_get_description(plugin), |
| 125 | "Minimal Babeltrace plugin with no component classes") == 0, |
| 126 | "bt_plugin_get_description() returns the expected description"); |
| 127 | ok(bt_plugin_get_version(plugin, NULL, NULL, NULL, NULL) != |
| 128 | BT_PLUGIN_STATUS_OK, |
| 129 | "bt_plugin_get_version() fails when there's no version"); |
| 130 | ok(strcmp(bt_plugin_get_author(plugin), "Janine Sutto") == 0, |
| 131 | "bt_plugin_get_author() returns the expected author"); |
| 132 | ok(strcmp(bt_plugin_get_license(plugin), "Beerware") == 0, |
| 133 | "bt_plugin_get_license() returns the expected license"); |
| 134 | ok(strcmp(bt_plugin_get_path(plugin), minimal_path) == 0, |
| 135 | "bt_plugin_get_path() returns the expected path"); |
| 136 | ok(bt_plugin_get_component_class_count(plugin) == 0, |
| 137 | "bt_plugin_get_component_class_count() returns the expected value"); |
| 138 | bt_put(plugin); |
| 139 | bt_put(plugin_set); |
| 140 | ok(check_env_var("BT_TEST_PLUGIN_EXIT_CALLED") == 1, |
| 141 | "plugin's exit function is called when the plugin is destroyed"); |
| 142 | |
| 143 | free(minimal_path); |
| 144 | } |
| 145 | |
| 146 | static void test_sfs(const char *plugin_dir) |
| 147 | { |
| 148 | struct bt_plugin_set *plugin_set; |
| 149 | struct bt_plugin *plugin; |
| 150 | struct bt_component_class *sink_comp_class; |
| 151 | struct bt_component_class *source_comp_class; |
| 152 | struct bt_component_class *filter_comp_class; |
| 153 | struct bt_component *sink_component; |
| 154 | char *sfs_path = get_test_plugin_path(plugin_dir, "sfs"); |
| 155 | unsigned int major, minor, patch; |
| 156 | const char *extra; |
| 157 | struct bt_value *params; |
| 158 | struct bt_value *results; |
| 159 | struct bt_value *object; |
| 160 | struct bt_value *res_params; |
| 161 | struct bt_graph *graph; |
| 162 | const char *object_str; |
| 163 | enum bt_value_status value_ret; |
| 164 | enum bt_graph_status graph_ret; |
| 165 | |
| 166 | assert(sfs_path); |
| 167 | diag("sfs plugin test below"); |
| 168 | |
| 169 | plugin_set = bt_plugin_create_all_from_file(sfs_path); |
| 170 | assert(plugin_set && bt_plugin_set_get_plugin_count(plugin_set) == 1); |
| 171 | plugin = bt_plugin_set_get_plugin(plugin_set, 0); |
| 172 | ok(bt_plugin_get_version(plugin, &major, &minor, &patch, &extra) == |
| 173 | BT_PLUGIN_STATUS_OK, |
| 174 | "bt_plugin_get_version() succeeds when there's a version"); |
| 175 | ok(major == 1, |
| 176 | "bt_plugin_get_version() returns the expected major version"); |
| 177 | ok(minor == 2, |
| 178 | "bt_plugin_get_version() returns the expected minor version"); |
| 179 | ok(patch == 3, |
| 180 | "bt_plugin_get_version() returns the expected patch version"); |
| 181 | ok(strcmp(extra, "yes") == 0, |
| 182 | "bt_plugin_get_version() returns the expected extra version"); |
| 183 | ok(bt_plugin_get_component_class_count(plugin) == 3, |
| 184 | "bt_plugin_get_component_class_count() returns the expected value"); |
| 185 | |
| 186 | source_comp_class = bt_plugin_get_component_class_by_name_and_type( |
| 187 | plugin, "source", BT_COMPONENT_CLASS_TYPE_SOURCE); |
| 188 | ok(source_comp_class, |
| 189 | "bt_plugin_get_component_class_by_name_and_type() finds a source component class"); |
| 190 | |
| 191 | sink_comp_class = bt_plugin_get_component_class_by_name_and_type( |
| 192 | plugin, "sink", BT_COMPONENT_CLASS_TYPE_SINK); |
| 193 | ok(sink_comp_class, |
| 194 | "bt_plugin_get_component_class_by_name_and_type() finds a sink component class"); |
| 195 | ok(strcmp(bt_component_class_get_help(sink_comp_class), |
| 196 | "Bacon ipsum dolor amet strip steak cupim pastrami venison shoulder.\n" |
| 197 | "Prosciutto beef ribs flank meatloaf pancetta brisket kielbasa drumstick\n" |
| 198 | "venison tenderloin cow tail. Beef short loin shoulder meatball, sirloin\n" |
| 199 | "ground round brisket salami cupim pork bresaola turkey bacon boudin.\n") == 0, |
| 200 | "bt_component_class_get_help() returns the expected help text"); |
| 201 | |
| 202 | filter_comp_class = bt_plugin_get_component_class_by_name_and_type( |
| 203 | plugin, "filter", BT_COMPONENT_CLASS_TYPE_FILTER); |
| 204 | ok(filter_comp_class, |
| 205 | "bt_plugin_get_component_class_by_name_and_type() finds a filter component class"); |
| 206 | ok(!bt_plugin_get_component_class_by_name_and_type(plugin, "filter", |
| 207 | BT_COMPONENT_CLASS_TYPE_SOURCE), |
| 208 | "bt_plugin_get_component_class_by_name_and_type() does not find a component class given the wrong type"); |
| 209 | params = bt_value_integer_create_init(23); |
| 210 | assert(params); |
| 211 | ok (!bt_component_class_query(NULL, "get-something", params), |
| 212 | "bt_component_class_query() handles NULL (component class)"); |
| 213 | ok (!bt_component_class_query(filter_comp_class, NULL, params), |
| 214 | "bt_component_class_query() handles NULL (object)"); |
| 215 | ok (!bt_component_class_query(filter_comp_class, "get-something", NULL), |
| 216 | "bt_component_class_query() handles NULL (parameters)"); |
| 217 | results = bt_component_class_query(filter_comp_class, |
| 218 | "get-something", params); |
| 219 | ok(results, "bt_component_class_query() succeeds"); |
| 220 | assert(bt_value_is_array(results) && bt_value_array_size(results) == 2); |
| 221 | object = bt_value_array_get(results, 0); |
| 222 | assert(object && bt_value_is_string(object)); |
| 223 | value_ret = bt_value_string_get(object, &object_str); |
| 224 | assert(value_ret == BT_VALUE_STATUS_OK); |
| 225 | ok(strcmp(object_str, "get-something") == 0, |
| 226 | "bt_component_class_query() receives the expected object name"); |
| 227 | res_params = bt_value_array_get(results, 1); |
| 228 | ok(res_params == params, |
| 229 | "bt_component_class_query() receives the expected parameters"); |
| 230 | |
| 231 | diag("> putting the plugin object here"); |
| 232 | BT_PUT(plugin); |
| 233 | graph = bt_graph_create(); |
| 234 | assert(graph); |
| 235 | graph_ret = bt_graph_add_component(graph, sink_comp_class, "the-sink", |
| 236 | NULL, &sink_component); |
| 237 | ok(graph_ret == BT_GRAPH_STATUS_OK && sink_component, |
| 238 | "bt_graph_add_component() still works after the plugin object is destroyed"); |
| 239 | BT_PUT(sink_component); |
| 240 | BT_PUT(source_comp_class); |
| 241 | bt_put(graph); |
| 242 | graph = bt_graph_create(); |
| 243 | assert(graph); |
| 244 | graph_ret = bt_graph_add_component(graph, sink_comp_class, "the-sink", |
| 245 | NULL, &sink_component); |
| 246 | ok(graph_ret == BT_GRAPH_STATUS_OK && sink_component, |
| 247 | "bt_graph_add_component() still works after the source component class object is destroyed"); |
| 248 | BT_PUT(sink_component); |
| 249 | BT_PUT(filter_comp_class); |
| 250 | bt_put(graph); |
| 251 | graph = bt_graph_create(); |
| 252 | assert(graph); |
| 253 | graph_ret = bt_graph_add_component(graph, sink_comp_class, "the-sink", |
| 254 | NULL, &sink_component); |
| 255 | ok(graph_ret == BT_GRAPH_STATUS_OK && sink_component, |
| 256 | "bt_graph_add_component() still works after the filter component class object is destroyed"); |
| 257 | BT_PUT(sink_comp_class); |
| 258 | BT_PUT(sink_component); |
| 259 | |
| 260 | free(sfs_path); |
| 261 | bt_put(graph); |
| 262 | bt_put(plugin_set); |
| 263 | bt_put(object); |
| 264 | bt_put(res_params); |
| 265 | bt_put(results); |
| 266 | bt_put(params); |
| 267 | } |
| 268 | |
| 269 | static void test_create_all_from_dir(const char *plugin_dir) |
| 270 | { |
| 271 | struct bt_plugin_set *plugin_set; |
| 272 | |
| 273 | diag("create from all test below"); |
| 274 | |
| 275 | plugin_set = bt_plugin_create_all_from_dir(NON_EXISTING_PATH, BT_FALSE); |
| 276 | ok(!plugin_set, |
| 277 | "bt_plugin_create_all_from_dir() fails with an invalid path"); |
| 278 | |
| 279 | plugin_set = bt_plugin_create_all_from_dir(plugin_dir, BT_FALSE); |
| 280 | ok(plugin_set, "bt_plugin_create_all_from_dir() succeeds with a valid path"); |
| 281 | |
| 282 | /* 2 or 4, if `.la` files are considered or not */ |
| 283 | ok(bt_plugin_set_get_plugin_count(plugin_set) == 2 || |
| 284 | bt_plugin_set_get_plugin_count(plugin_set) == 4, |
| 285 | "bt_plugin_create_all_from_dir() returns the expected number of plugin objects"); |
| 286 | |
| 287 | bt_put(plugin_set); |
| 288 | } |
| 289 | |
| 290 | static void test_find(const char *plugin_dir) |
| 291 | { |
| 292 | int ret; |
| 293 | struct bt_plugin *plugin; |
| 294 | struct bt_component_class *comp_cls_sink; |
| 295 | struct bt_component_class *comp_cls_source; |
| 296 | char *plugin_path; |
| 297 | |
| 298 | ok(!bt_plugin_find(NULL), |
| 299 | "bt_plugin_find() handles NULL"); |
| 300 | ok(!bt_plugin_find(NON_EXISTING_PATH), |
| 301 | "bt_plugin_find() returns NULL with an unknown plugin name"); |
| 302 | ret = asprintf(&plugin_path, "%s:/ec1d09e5-696c-442e-b1c3-f9c6cf7f5958:::%s:8db46494-a398-466a-9649-c765ae077629:", |
| 303 | NON_EXISTING_PATH, plugin_dir); |
| 304 | assert(ret > 0 && plugin_path); |
| 305 | g_setenv("BABELTRACE_PLUGIN_PATH", plugin_path, 1); |
| 306 | plugin = bt_plugin_find("test_minimal"); |
| 307 | ok(plugin, |
| 308 | "bt_plugin_find() succeeds with a plugin name it can find"); |
| 309 | ok(strcmp(bt_plugin_get_author(plugin), "Janine Sutto") == 0, |
| 310 | "bt_plugin_find() finds the correct plugin for a given name"); |
| 311 | BT_PUT(plugin); |
| 312 | comp_cls_sink = bt_plugin_find_component_class(NULL, "sink", |
| 313 | BT_COMPONENT_CLASS_TYPE_SINK); |
| 314 | ok(!comp_cls_sink, "bt_plugin_find_component_class() handles NULL (plugin name)"); |
| 315 | comp_cls_sink = bt_plugin_find_component_class("test_sfs", NULL, |
| 316 | BT_COMPONENT_CLASS_TYPE_SINK); |
| 317 | ok(!comp_cls_sink, "bt_plugin_find_component_class() handles NULL (component class name)"); |
| 318 | comp_cls_sink = bt_plugin_find_component_class("test_sfs", "sink2", |
| 319 | BT_COMPONENT_CLASS_TYPE_SINK); |
| 320 | ok(!comp_cls_sink, "bt_plugin_find_component_class() fails with an unknown component class name"); |
| 321 | comp_cls_sink = bt_plugin_find_component_class("test_sfs", "sink", |
| 322 | BT_COMPONENT_CLASS_TYPE_SINK); |
| 323 | ok(comp_cls_sink, "bt_plugin_find_component_class() succeeds with valid parameters"); |
| 324 | ok(strcmp(bt_component_class_get_name(comp_cls_sink), "sink") == 0, |
| 325 | "bt_plugin_find_component_class() returns the appropriate component class (sink)"); |
| 326 | comp_cls_source = bt_plugin_find_component_class("test_sfs", "source", |
| 327 | BT_COMPONENT_CLASS_TYPE_SOURCE); |
| 328 | ok(comp_cls_sink, "bt_plugin_find_component_class() succeeds with another component class name (same plugin)"); |
| 329 | ok(strcmp(bt_component_class_get_name(comp_cls_source), "source") == 0, |
| 330 | "bt_plugin_find_component_class() returns the appropriate component class (source)"); |
| 331 | BT_PUT(comp_cls_sink); |
| 332 | BT_PUT(comp_cls_source); |
| 333 | free(plugin_path); |
| 334 | } |
| 335 | |
| 336 | int main(int argc, char **argv) |
| 337 | { |
| 338 | int ret; |
| 339 | const char *plugin_dir; |
| 340 | |
| 341 | if (argc != 2) { |
| 342 | puts("Usage: test_plugin plugin_directory"); |
| 343 | ret = 1; |
| 344 | goto end; |
| 345 | } |
| 346 | |
| 347 | plugin_dir = argv[1]; |
| 348 | plan_tests(NR_TESTS); |
| 349 | test_invalid(plugin_dir); |
| 350 | test_minimal(plugin_dir); |
| 351 | test_sfs(plugin_dir); |
| 352 | test_create_all_from_dir(plugin_dir); |
| 353 | test_find(plugin_dir); |
| 354 | ret = exit_status(); |
| 355 | end: |
| 356 | return ret; |
| 357 | } |