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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 | // SPDX-License-Identifier: GPL-2.0+ /* * Tests for JSON utilities including parser and FDT converter * * Copyright (C) 2025 Canonical Ltd * Written by Simon Glass <simon.glass@canonical.com> */ #include <dm/ofnode.h> #include <fdt_support.h> #include <image.h> #include <json.h> #include <linux/libfdt.h> #include <test/lib.h> #include <test/test.h> #include <test/ut.h> static int lib_test_json_simple_object(struct unit_test_state *uts) { const char *json = "{\"name\":\"value\"}"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline(" \"name\": \"value\""); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_simple_object, UTF_CONSOLE); static int lib_test_json_simple_array(struct unit_test_state *uts) { const char *json = "[1,2,3]"; json_print_pretty(json, strlen(json)); ut_assert_nextline("["); ut_assert_nextline(" 1,"); ut_assert_nextline(" 2,"); ut_assert_nextline(" 3"); ut_assert_nextline("]"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_simple_array, UTF_CONSOLE); static int lib_test_json_nested_object(struct unit_test_state *uts) { const char *json = "{\"outer\":{\"inner\":\"value\"}}"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline(" \"outer\": {"); ut_assert_nextline(" \"inner\": \"value\""); ut_assert_nextline(" }"); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_nested_object, UTF_CONSOLE); static int lib_test_json_nested_array(struct unit_test_state *uts) { const char *json = "[[1,2],[3,4]]"; json_print_pretty(json, strlen(json)); ut_assert_nextline("["); ut_assert_nextline(" ["); ut_assert_nextline(" 1,"); ut_assert_nextline(" 2"); ut_assert_nextline(" ],"); ut_assert_nextline(" ["); ut_assert_nextline(" 3,"); ut_assert_nextline(" 4"); ut_assert_nextline(" ]"); ut_assert_nextline("]"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_nested_array, UTF_CONSOLE); static int lib_test_json_mixed_nested(struct unit_test_state *uts) { const char *json = "{\"array\":[1,{\"nested\":\"obj\"}]}"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline(" \"array\": ["); ut_assert_nextline(" 1,"); ut_assert_nextline(" {"); ut_assert_nextline(" \"nested\": \"obj\""); ut_assert_nextline(" }"); ut_assert_nextline(" ]"); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_mixed_nested, UTF_CONSOLE); static int lib_test_json_string_with_colon(struct unit_test_state *uts) { const char *json = "{\"url\":\"http://example.com\"}"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline(" \"url\": \"http://example.com\""); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_string_with_colon, UTF_CONSOLE); static int lib_test_json_string_with_comma(struct unit_test_state *uts) { const char *json = "{\"name\":\"last, first\"}"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline(" \"name\": \"last, first\""); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_string_with_comma, UTF_CONSOLE); static int lib_test_json_string_with_braces(struct unit_test_state *uts) { const char *json = "{\"text\":\"some {braces} here\"}"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline(" \"text\": \"some {braces} here\""); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_string_with_braces, UTF_CONSOLE); static int lib_test_json_escaped_quote(struct unit_test_state *uts) { const char *json = "{\"quote\":\"He said \\\"hello\\\"\"}"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline(" \"quote\": \"He said \\\"hello\\\"\""); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_escaped_quote, UTF_CONSOLE); static int lib_test_json_multiple_fields(struct unit_test_state *uts) { const char *json = "{\"name\":\"test\",\"age\":25,\"active\":true}"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline(" \"name\": \"test\","); ut_assert_nextline(" \"age\": 25,"); ut_assert_nextline(" \"active\": true"); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_multiple_fields, UTF_CONSOLE); static int lib_test_json_empty_object(struct unit_test_state *uts) { const char *json = "{}"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_empty_object, UTF_CONSOLE); static int lib_test_json_empty_array(struct unit_test_state *uts) { const char *json = "[]"; json_print_pretty(json, strlen(json)); ut_assert_nextline("["); ut_assert_nextline("]"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_empty_array, UTF_CONSOLE); static int lib_test_json_whitespace(struct unit_test_state *uts) { const char *json = "{ \"name\" : \"value\" , \"num\" : 42 }"; json_print_pretty(json, strlen(json)); ut_assert_nextline("{"); ut_assert_nextline(" \"name\": \"value\","); ut_assert_nextline(" \"num\": 42"); ut_assert_nextline("}"); ut_assert_console_end(); return 0; } LIB_TEST(lib_test_json_whitespace, UTF_CONSOLE); /* JSON to FDT conversion tests */ static int lib_test_json_to_fdt_simple(struct unit_test_state *uts) { const char *json = "{\"name\":\"test\",\"value\":42}"; struct abuf buf; void *fdt_buf; ut_assertok(json_to_fdt(json, &buf)); fdt_buf = abuf_data(&buf); /* Verify FDT is valid */ ut_assertok(fdt_check_header(fdt_buf)); /* Check string property */ ut_asserteq_str("test", fdt_getprop(fdt_buf, 0, "name", NULL)); /* Check integer property */ ut_asserteq(42, fdtdec_get_int(fdt_buf, 0, "value", 0)); abuf_uninit(&buf); return 0; } LIB_TEST(lib_test_json_to_fdt_simple, 0); static int lib_test_json_to_fdt_nested(struct unit_test_state *uts) { const char *json = "{\"outer\":{\"inner\":\"value\"}}"; struct abuf buf; void *fdt_buf; int node; ut_assertok(json_to_fdt(json, &buf)); fdt_buf = abuf_data(&buf); /* Verify FDT is valid */ ut_assertok(fdt_check_header(fdt_buf)); /* Find nested node */ node = fdt_path_offset(fdt_buf, "/outer"); ut_assert(node >= 0); /* Check property in nested node */ ut_asserteq_str("value", fdt_getprop(fdt_buf, node, "inner", NULL)); abuf_uninit(&buf); return 0; } LIB_TEST(lib_test_json_to_fdt_nested, 0); static int lib_test_json_to_fdt_array(struct unit_test_state *uts) { const char *json = "{\"numbers\":[1,2,3]}"; struct abuf buf; void *fdt_buf; u32 arr[8]; int size; oftree tree; ofnode root; ut_assertok(json_to_fdt(json, &buf)); fdt_buf = abuf_data(&buf); /* Verify FDT is valid */ ut_assertok(fdt_check_header(fdt_buf)); /* Create oftree from FDT */ tree = oftree_from_fdt(fdt_buf); ut_assert(oftree_valid(tree)); root = oftree_root(tree); ut_assert(ofnode_valid(root)); /* Check array property */ ut_assertnonnull(ofnode_get_property(root, "numbers", &size)); size /= sizeof(u32); ut_asserteq(3, size); ut_assertok(ofnode_read_u32_array(root, "numbers", arr, size)); ut_asserteq(1, arr[0]); ut_asserteq(2, arr[1]); ut_asserteq(3, arr[2]); abuf_uninit(&buf); return 0; } LIB_TEST(lib_test_json_to_fdt_array, 0); static int lib_test_json_to_fdt_string_array(struct unit_test_state *uts) { char json[] = "{\"tags\":[\"first\",\"second\",\"third\"]}"; struct abuf buf; void *fdt_buf; const char *str; ofnode root; oftree tree; ut_assertok(json_to_fdt(json, &buf)); fdt_buf = abuf_data(&buf); /* Verify FDT is valid */ ut_assertok(fdt_check_header(fdt_buf)); /* Create oftree from FDT */ tree = oftree_from_fdt(fdt_buf); ut_assert(oftree_valid(tree)); root = oftree_root(tree); ut_assert(ofnode_valid(root)); /* Check string array property */ ut_assertok(ofnode_read_string_index(root, "tags", 0, &str)); ut_asserteq_str("first", str); ut_assertok(ofnode_read_string_index(root, "tags", 1, &str)); ut_asserteq_str("second", str); ut_assertok(ofnode_read_string_index(root, "tags", 2, &str)); ut_asserteq_str("third", str); abuf_uninit(&buf); return 0; } LIB_TEST(lib_test_json_to_fdt_string_array, 0); static int lib_test_json_to_fdt_bool(struct unit_test_state *uts) { const char *json = "{\"enabled\":true,\"disabled\":false}"; struct abuf buf; void *fdt_buf; ut_assertok(json_to_fdt(json, &buf)); fdt_buf = abuf_data(&buf); /* Verify FDT is valid */ ut_assertok(fdt_check_header(fdt_buf)); /* Check boolean properties */ ut_asserteq(1, fdtdec_get_int(fdt_buf, 0, "enabled", 0)); ut_asserteq(0, fdtdec_get_int(fdt_buf, 0, "disabled", 0)); abuf_uninit(&buf); return 0; } LIB_TEST(lib_test_json_to_fdt_bool, 0); /* Test with realistic LUKS2 JSON metadata using ofnode API */ static int lib_test_json_to_fdt_luks2(struct unit_test_state *uts) { /* Simplified LUKS2 JSON metadata structure */ const char *luks2_json = "{" " \"keyslots\": {" " \"0\": {" " \"type\": \"luks2\"," " \"key_size\": 32," " \"area\": {" " \"type\": \"raw\"," " \"offset\": \"32768\"," " \"size\": \"258048\"" " }," " \"kdf\": {" " \"type\": \"pbkdf2\"," " \"hash\": \"sha256\"," " \"iterations\": 1000," " \"salt\": \"aGVsbG93b3JsZA==\"" " }" " }," " \"1\": {" " \"type\": \"luks2\"," " \"key_size\": 32," " \"area\": {" " \"type\": \"raw\"," " \"offset\": \"290816\"," " \"size\": \"258048\"" " }," " \"kdf\": {" " \"type\": \"pbkdf2\"," " \"hash\": \"sha256\"," " \"iterations\": 2000," " \"salt\": \"YW5vdGhlcnNhbHQ=\"" " }" " }" " }," " \"segments\": {" " \"0\": {" " \"type\": \"crypt\"," " \"offset\": \"16777216\"," " \"size\": \"dynamic\"," " \"iv_tweak\": \"0\"," " \"encryption\": \"aes-cbc-essiv:sha256\"," " \"sector_size\": 512" " }" " }," " \"digests\": {" " \"0\": {" " \"type\": \"pbkdf2\"," " \"keyslots\": [0, 1]," " \"segments\": [0]," " \"hash\": \"sha256\"," " \"iterations\": 1000," " \"salt\": \"c2FsdHlzYWx0\"" " }" " }," " \"config\": {" " \"json_size\": \"12288\"," " \"keyslots_size\": \"3145728\"" " }" "}"; ofnode segments, segment0, digests, digest0, config; ofnode root, keyslots, keyslot0, kdf; struct abuf buf; u32 arr[8]; int size; void *fdt_buf; oftree tree; ut_assertok(json_to_fdt(luks2_json, &buf)); /* Verify FDT is valid */ fdt_buf = abuf_data(&buf); ut_assertok(fdt_check_header(fdt_buf)); /* Create oftree from FDT */ tree = oftree_from_fdt(fdt_buf); ut_assert(oftree_valid(tree)); /* Get root node */ root = oftree_root(tree); ut_assert(ofnode_valid(root)); /* Navigate to keyslots node */ keyslots = ofnode_find_subnode(root, "keyslots"); ut_assert(ofnode_valid(keyslots)); /* Navigate to keyslot 0 */ keyslot0 = ofnode_find_subnode(keyslots, "0"); ut_assert(ofnode_valid(keyslot0)); /* Check keyslot type */ ut_asserteq_str("luks2", ofnode_read_string(keyslot0, "type")); /* Check key_size */ ut_asserteq(32, ofnode_read_u32_default(keyslot0, "key_size", 0)); /* Navigate to KDF node */ kdf = ofnode_find_subnode(keyslot0, "kdf"); ut_assert(ofnode_valid(kdf)); /* Check KDF type */ ut_asserteq_str("pbkdf2", ofnode_read_string(kdf, "type")); /* Check KDF hash */ ut_asserteq_str("sha256", ofnode_read_string(kdf, "hash")); /* Check iterations */ ut_asserteq(1000, ofnode_read_u32_default(kdf, "iterations", 0)); /* Check salt (base64 string) */ ut_asserteq_str("aGVsbG93b3JsZA==", ofnode_read_string(kdf, "salt")); /* Navigate to segments node */ segments = ofnode_find_subnode(root, "segments"); ut_assert(ofnode_valid(segments)); /* Navigate to segment 0 */ segment0 = ofnode_find_subnode(segments, "0"); ut_assert(ofnode_valid(segment0)); /* Check segment type */ ut_asserteq_str("crypt", ofnode_read_string(segment0, "type")); /* Check encryption */ ut_asserteq_str("aes-cbc-essiv:sha256", ofnode_read_string(segment0, "encryption")); /* Check offset (stored as string in JSON) */ ut_asserteq_str("16777216", ofnode_read_string(segment0, "offset")); /* Check sector_size */ ut_asserteq(512, ofnode_read_u32_default(segment0, "sector_size", 0)); /* Navigate to digests node */ digests = ofnode_find_subnode(root, "digests"); ut_assert(ofnode_valid(digests)); /* Navigate to digest 0 */ digest0 = ofnode_find_subnode(digests, "0"); ut_assert(ofnode_valid(digest0)); /* Check digest type */ ut_asserteq_str("pbkdf2", ofnode_read_string(digest0, "type")); /* Check keyslots array */ ut_assertnonnull(ofnode_get_property(digest0, "keyslots", &size)); size /= sizeof(u32); ut_asserteq(2, size); ut_assertok(ofnode_read_u32_array(digest0, "keyslots", arr, size)); ut_asserteq(0, arr[0]); ut_asserteq(1, arr[1]); /* Check segments array */ ut_assertnonnull(ofnode_get_property(digest0, "segments", &size)); ut_asserteq(4, size); size /= sizeof(u32); ut_assertok(ofnode_read_u32_array(digest0, "segments", arr, size)); ut_asserteq(0, arr[0]); /* Navigate to config node */ config = ofnode_find_subnode(root, "config"); ut_assert(ofnode_valid(config)); /* Check json_size (stored as string in JSON) */ ut_asserteq_str("12288", ofnode_read_string(config, "json_size")); /* Check keyslots_size (stored as string in JSON) */ ut_asserteq_str("3145728", ofnode_read_string(config, "keyslots_size")); abuf_uninit(&buf); return 0; } LIB_TEST(lib_test_json_to_fdt_luks2, 0); |