components/json_schema/json_schema_validator_unittest_base.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/json_schema/json_schema_validator_unittest_base.h"
   6
   7 #include <cfloat>
   8 #include <cmath>
   9 #include <limits>
  10
  11 #include "base/base_paths.h"
  12 #include "base/file_util.h"
  13 #include "base/json/json_file_value_serializer.h"
  14 #include "base/logging.h"
  15 #include "base/memory/scoped_ptr.h"
  16 #include "base/path_service.h"
  17 #include "base/strings/stringprintf.h"
  18 #include "base/values.h"
  19 #include "components/json_schema/json_schema_constants.h"
  20 #include "components/json_schema/json_schema_validator.h"
  21
  22 namespace schema = json_schema_constants;
  23
  24 namespace {
  25
  26 #define TEST_SOURCE base::StringPrintf("%s:%i", __FILE__, __LINE__)
  27
  28 base::Value* LoadValue(const std::string& filename) {
  29   base::FilePath path;
  30   PathService::Get(base::DIR_SOURCE_ROOT, &path);
  31   path = path.AppendASCII("components")
  32              .AppendASCII("test")
  33              .AppendASCII("data")
  34              .AppendASCII("json_schema")
  35              .AppendASCII(filename);
  36   EXPECT_TRUE(base::PathExists(path));
  37
  38   std::string error_message;
  39   JSONFileValueSerializer serializer(path);
  40   base::Value* result = serializer.Deserialize(NULL, &error_message);
  41   if (!result)
  42     ADD_FAILURE() << "Could not parse JSON: " << error_message;
  43   return result;
  44 }
  45
  46 base::Value* LoadValue(const std::string& filename, base::Value::Type type) {
  47   scoped_ptr<base::Value> result(LoadValue(filename));
  48   if (!result.get())
  49     return NULL;
  50   if (!result->IsType(type)) {
  51     ADD_FAILURE() << "Expected type " << type << ", got: " << result->GetType();
  52     return NULL;
  53   }
  54   return result.release();
  55 }
  56
  57 base::ListValue* LoadList(const std::string& filename) {
  58   return static_cast<base::ListValue*>(
  59       LoadValue(filename, base::Value::TYPE_LIST));
  60 }
  61
  62 base::DictionaryValue* LoadDictionary(const std::string& filename) {
  63   return static_cast<base::DictionaryValue*>(
  64       LoadValue(filename, base::Value::TYPE_DICTIONARY));
  65 }
  66
  67 }  // namespace
  68
  69
  70 JSONSchemaValidatorTestBase::JSONSchemaValidatorTestBase() {
  71 }
  72
  73 void JSONSchemaValidatorTestBase::RunTests() {
  74   TestComplex();
  75   TestStringPattern();
  76   TestEnum();
  77   TestChoices();
  78   TestExtends();
  79   TestObject();
  80   TestTypeReference();
  81   TestArrayTuple();
  82   TestArrayNonTuple();
  83   TestString();
  84   TestNumber();
  85   TestTypeClassifier();
  86   TestTypes();
  87 }
  88
  89 void JSONSchemaValidatorTestBase::TestComplex() {
  90   scoped_ptr<base::DictionaryValue> schema(
  91       LoadDictionary("complex_schema.json"));
  92   scoped_ptr<base::ListValue> instance(LoadList("complex_instance.json"));
  93
  94   ASSERT_TRUE(schema.get());
  95   ASSERT_TRUE(instance.get());
  96
  97   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
  98   instance->Remove(instance->GetSize() - 1, NULL);
  99   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 100   instance->Append(new base::DictionaryValue());
 101   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "1",
 102                  JSONSchemaValidator::FormatErrorMessage(
 103                      JSONSchemaValidator::kInvalidType,
 104                      schema::kNumber,
 105                      schema::kObject));
 106   instance->Remove(instance->GetSize() - 1, NULL);
 107
 108   base::DictionaryValue* item = NULL;
 109   ASSERT_TRUE(instance->GetDictionary(0, &item));
 110   item->SetString("url", "xxxxxxxxxxx");
 111
 112   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL,
 113                  "0.url",
 114                  JSONSchemaValidator::FormatErrorMessage(
 115                      JSONSchemaValidator::kStringMaxLength, "10"));
 116 }
 117
 118 void JSONSchemaValidatorTestBase::TestStringPattern() {
 119   scoped_ptr<base::DictionaryValue> schema(new base::DictionaryValue());
 120   schema->SetString(schema::kType, schema::kString);
 121   schema->SetString(schema::kPattern, "foo+");
 122
 123   ExpectValid(TEST_SOURCE,
 124               scoped_ptr<base::Value>(new base::StringValue("foo")).get(),
 125               schema.get(), NULL);
 126   ExpectValid(TEST_SOURCE,
 127               scoped_ptr<base::Value>(new base::StringValue("foooooo")).get(),
 128               schema.get(), NULL);
 129   ExpectNotValid(TEST_SOURCE,
 130                  scoped_ptr<base::Value>(new base::StringValue("bar")).get(),
 131                  schema.get(),
 132                  NULL,
 133                  std::string(),
 134                  JSONSchemaValidator::FormatErrorMessage(
 135                      JSONSchemaValidator::kStringPattern, "foo+"));
 136 }
 137
 138 void JSONSchemaValidatorTestBase::TestEnum() {
 139   scoped_ptr<base::DictionaryValue> schema(LoadDictionary("enum_schema.json"));
 140
 141   ExpectValid(TEST_SOURCE,
 142               scoped_ptr<base::Value>(new base::StringValue("foo")).get(),
 143               schema.get(), NULL);
 144   ExpectValid(TEST_SOURCE,
 145               scoped_ptr<base::Value>(new base::FundamentalValue(42)).get(),
 146               schema.get(), NULL);
 147   ExpectValid(TEST_SOURCE,
 148               scoped_ptr<base::Value>(new base::FundamentalValue(false)).get(),
 149               schema.get(), NULL);
 150
 151   ExpectNotValid(TEST_SOURCE,
 152                  scoped_ptr<base::Value>(new base::StringValue("42")).get(),
 153                  schema.get(),
 154                  NULL,
 155                  std::string(),
 156                  JSONSchemaValidator::kInvalidEnum);
 157   ExpectNotValid(TEST_SOURCE,
 158                  scoped_ptr<base::Value>(base::Value::CreateNullValue()).get(),
 159                  schema.get(),
 160                  NULL,
 161                  std::string(),
 162                  JSONSchemaValidator::kInvalidEnum);
 163 }
 164
 165 void JSONSchemaValidatorTestBase::TestChoices() {
 166   scoped_ptr<base::DictionaryValue> schema(
 167       LoadDictionary("choices_schema.json"));
 168
 169   ExpectValid(TEST_SOURCE,
 170               scoped_ptr<base::Value>(base::Value::CreateNullValue()).get(),
 171               schema.get(), NULL);
 172   ExpectValid(TEST_SOURCE,
 173               scoped_ptr<base::Value>(new base::FundamentalValue(42)).get(),
 174               schema.get(), NULL);
 175
 176   scoped_ptr<base::DictionaryValue> instance(new base::DictionaryValue());
 177   instance->SetString("foo", "bar");
 178   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 179
 180   ExpectNotValid(TEST_SOURCE,
 181                  scoped_ptr<base::Value>(new base::StringValue("foo")).get(),
 182                  schema.get(),
 183                  NULL,
 184                  std::string(),
 185                  JSONSchemaValidator::kInvalidChoice);
 186   ExpectNotValid(TEST_SOURCE,
 187                  scoped_ptr<base::Value>(new base::ListValue()).get(),
 188                  schema.get(),
 189                  NULL,
 190                  std::string(),
 191                  JSONSchemaValidator::kInvalidChoice);
 192
 193   instance->SetInteger("foo", 42);
 194   ExpectNotValid(TEST_SOURCE,
 195                  instance.get(),
 196                  schema.get(),
 197                  NULL,
 198                  std::string(),
 199                  JSONSchemaValidator::kInvalidChoice);
 200 }
 201
 202 void JSONSchemaValidatorTestBase::TestExtends() {
 203   // TODO(aa): JS only
 204 }
 205
 206 void JSONSchemaValidatorTestBase::TestObject() {
 207   scoped_ptr<base::DictionaryValue> schema(new base::DictionaryValue());
 208   schema->SetString(schema::kType, schema::kObject);
 209   schema->SetString("properties.foo.type", schema::kString);
 210   schema->SetString("properties.bar.type", schema::kInteger);
 211
 212   scoped_ptr<base::DictionaryValue> instance(new base::DictionaryValue());
 213   instance->SetString("foo", "foo");
 214   instance->SetInteger("bar", 42);
 215
 216   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 217
 218   instance->SetBoolean("extra", true);
 219   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL,
 220                  "extra", JSONSchemaValidator::kUnexpectedProperty);
 221   instance->Remove("extra", NULL);
 222
 223   instance->Remove("bar", NULL);
 224   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "bar",
 225                  JSONSchemaValidator::kObjectPropertyIsRequired);
 226
 227   instance->SetString("bar", "42");
 228   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "bar",
 229                  JSONSchemaValidator::FormatErrorMessage(
 230                      JSONSchemaValidator::kInvalidType,
 231                      schema::kInteger,
 232                      schema::kString));
 233   instance->SetInteger("bar", 42);
 234
 235   // Test "patternProperties".
 236   instance->SetInteger("extra", 42);
 237   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL,
 238                  "extra", JSONSchemaValidator::kUnexpectedProperty);
 239   schema->SetString("patternProperties.extra+.type",
 240                     schema::kInteger);
 241   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 242   instance->Remove("extra", NULL);
 243   instance->SetInteger("extraaa", 42);
 244   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 245   instance->Remove("extraaa", NULL);
 246   instance->SetInteger("extr", 42);
 247   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL,
 248                  "extr", JSONSchemaValidator::kUnexpectedProperty);
 249   instance->Remove("extr", NULL);
 250   schema->Remove(schema::kPatternProperties, NULL);
 251
 252   // Test "patternProperties" and "properties" schemas are both checked if
 253   // applicable.
 254   schema->SetString("patternProperties.fo+.type", schema::kInteger);
 255   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "foo",
 256                  JSONSchemaValidator::FormatErrorMessage(
 257                      JSONSchemaValidator::kInvalidType,
 258                      schema::kInteger,
 259                      schema::kString));
 260   instance->SetInteger("foo", 123);
 261   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "foo",
 262                  JSONSchemaValidator::FormatErrorMessage(
 263                      JSONSchemaValidator::kInvalidType,
 264                      schema::kString,
 265                      schema::kInteger));
 266   instance->SetString("foo", "foo");
 267   schema->Remove(schema::kPatternProperties, NULL);
 268
 269   // Test additional properties.
 270   base::DictionaryValue* additional_properties = new base::DictionaryValue();
 271   additional_properties->SetString(schema::kType, schema::kAny);
 272   schema->Set(schema::kAdditionalProperties, additional_properties);
 273
 274   instance->SetBoolean("extra", true);
 275   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 276
 277   instance->SetString("extra", "foo");
 278   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 279
 280   additional_properties->SetString(schema::kType, schema::kBoolean);
 281   instance->SetBoolean("extra", true);
 282   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 283
 284   instance->SetString("extra", "foo");
 285   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL,
 286                  "extra", JSONSchemaValidator::FormatErrorMessage(
 287                      JSONSchemaValidator::kInvalidType,
 288                      schema::kBoolean,
 289                      schema::kString));
 290   instance->Remove("extra", NULL);
 291
 292   base::DictionaryValue* properties = NULL;
 293   base::DictionaryValue* bar_property = NULL;
 294   ASSERT_TRUE(schema->GetDictionary(schema::kProperties, &properties));
 295   ASSERT_TRUE(properties->GetDictionary("bar", &bar_property));
 296
 297   bar_property->SetBoolean(schema::kOptional, true);
 298   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 299   instance->Remove("bar", NULL);
 300   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 301   instance->Set("bar", base::Value::CreateNullValue());
 302   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL,
 303                  "bar", JSONSchemaValidator::FormatErrorMessage(
 304                      JSONSchemaValidator::kInvalidType,
 305                      schema::kInteger,
 306                      schema::kNull));
 307   instance->SetString("bar", "42");
 308   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL,
 309                  "bar", JSONSchemaValidator::FormatErrorMessage(
 310                      JSONSchemaValidator::kInvalidType,
 311                      schema::kInteger,
 312                      schema::kString));
 313
 314   // Verify that JSON parser handles dot in "patternProperties" well.
 315   schema.reset(LoadDictionary("pattern_properties_dot.json"));
 316   ASSERT_TRUE(schema->GetDictionary(schema::kPatternProperties, &properties));
 317   ASSERT_TRUE(properties->HasKey("^.$"));
 318
 319   instance.reset(new base::DictionaryValue());
 320   instance->SetString("a", "whatever");
 321   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 322   instance->SetString("foo", "bar");
 323   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL,
 324                  "foo", JSONSchemaValidator::kUnexpectedProperty);
 325 }
 326
 327 void JSONSchemaValidatorTestBase::TestTypeReference() {
 328   scoped_ptr<base::ListValue> types(LoadList("reference_types.json"));
 329   ASSERT_TRUE(types.get());
 330
 331   scoped_ptr<base::DictionaryValue> schema(new base::DictionaryValue());
 332   schema->SetString(schema::kType, schema::kObject);
 333   schema->SetString("properties.foo.type", schema::kString);
 334   schema->SetString("properties.bar.$ref", "Max10Int");
 335   schema->SetString("properties.baz.$ref", "MinLengthString");
 336
 337   scoped_ptr<base::DictionaryValue> schema_inline(new base::DictionaryValue());
 338   schema_inline->SetString(schema::kType, schema::kObject);
 339   schema_inline->SetString("properties.foo.type", schema::kString);
 340   schema_inline->SetString("properties.bar.id", "NegativeInt");
 341   schema_inline->SetString("properties.bar.type", schema::kInteger);
 342   schema_inline->SetInteger("properties.bar.maximum", 0);
 343   schema_inline->SetString("properties.baz.$ref", "NegativeInt");
 344
 345   scoped_ptr<base::DictionaryValue> instance(new base::DictionaryValue());
 346   instance->SetString("foo", "foo");
 347   instance->SetInteger("bar", 4);
 348   instance->SetString("baz", "ab");
 349
 350   scoped_ptr<base::DictionaryValue> instance_inline(
 351       new base::DictionaryValue());
 352   instance_inline->SetString("foo", "foo");
 353   instance_inline->SetInteger("bar", -4);
 354   instance_inline->SetInteger("baz", -2);
 355
 356   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), types.get());
 357   ExpectValid(TEST_SOURCE, instance_inline.get(), schema_inline.get(), NULL);
 358
 359   // Validation failure, but successful schema reference.
 360   instance->SetString("baz", "a");
 361   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), types.get(),
 362                  "baz", JSONSchemaValidator::FormatErrorMessage(
 363                      JSONSchemaValidator::kStringMinLength, "2"));
 364
 365   instance_inline->SetInteger("bar", 20);
 366   ExpectNotValid(TEST_SOURCE, instance_inline.get(), schema_inline.get(), NULL,
 367                  "bar", JSONSchemaValidator::FormatErrorMessage(
 368                      JSONSchemaValidator::kNumberMaximum, "0"));
 369
 370   // Remove MinLengthString type.
 371   types->Remove(types->GetSize() - 1, NULL);
 372   instance->SetString("baz", "ab");
 373   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), types.get(),
 374                  "bar", JSONSchemaValidator::FormatErrorMessage(
 375                      JSONSchemaValidator::kUnknownTypeReference,
 376                      "Max10Int"));
 377
 378   // Remove internal type "NegativeInt".
 379   schema_inline->Remove("properties.bar", NULL);
 380   instance_inline->Remove("bar", NULL);
 381   ExpectNotValid(TEST_SOURCE, instance_inline.get(), schema_inline.get(), NULL,
 382                  "baz", JSONSchemaValidator::FormatErrorMessage(
 383                      JSONSchemaValidator::kUnknownTypeReference,
 384                      "NegativeInt"));
 385 }
 386
 387 void JSONSchemaValidatorTestBase::TestArrayTuple() {
 388   scoped_ptr<base::DictionaryValue> schema(
 389       LoadDictionary("array_tuple_schema.json"));
 390   ASSERT_TRUE(schema.get());
 391
 392   scoped_ptr<base::ListValue> instance(new base::ListValue());
 393   instance->Append(new base::StringValue("42"));
 394   instance->Append(new base::FundamentalValue(42));
 395
 396   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 397
 398   instance->Append(new base::StringValue("anything"));
 399   ExpectNotValid(TEST_SOURCE,
 400                  instance.get(),
 401                  schema.get(),
 402                  NULL,
 403                  std::string(),
 404                  JSONSchemaValidator::FormatErrorMessage(
 405                      JSONSchemaValidator::kArrayMaxItems, "2"));
 406
 407   instance->Remove(1, NULL);
 408   instance->Remove(1, NULL);
 409   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "1",
 410                  JSONSchemaValidator::kArrayItemRequired);
 411
 412   instance->Set(0, new base::FundamentalValue(42));
 413   instance->Append(new base::FundamentalValue(42));
 414   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "0",
 415                  JSONSchemaValidator::FormatErrorMessage(
 416                      JSONSchemaValidator::kInvalidType,
 417                      schema::kString,
 418                      schema::kInteger));
 419
 420   base::DictionaryValue* additional_properties = new base::DictionaryValue();
 421   additional_properties->SetString(schema::kType, schema::kAny);
 422   schema->Set(schema::kAdditionalProperties, additional_properties);
 423   instance->Set(0, new base::StringValue("42"));
 424   instance->Append(new base::StringValue("anything"));
 425   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 426   instance->Set(2, new base::ListValue());
 427   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 428
 429   additional_properties->SetString(schema::kType, schema::kBoolean);
 430   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "2",
 431                  JSONSchemaValidator::FormatErrorMessage(
 432                      JSONSchemaValidator::kInvalidType,
 433                      schema::kBoolean,
 434                      schema::kArray));
 435   instance->Set(2, new base::FundamentalValue(false));
 436   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 437
 438   base::ListValue* items_schema = NULL;
 439   base::DictionaryValue* item0_schema = NULL;
 440   ASSERT_TRUE(schema->GetList(schema::kItems, &items_schema));
 441   ASSERT_TRUE(items_schema->GetDictionary(0, &item0_schema));
 442   item0_schema->SetBoolean(schema::kOptional, true);
 443   instance->Remove(2, NULL);
 444   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 445   // TODO(aa): I think this is inconsistent with the handling of NULL+optional
 446   // for objects.
 447   instance->Set(0, base::Value::CreateNullValue());
 448   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 449   instance->Set(0, new base::FundamentalValue(42));
 450   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "0",
 451                  JSONSchemaValidator::FormatErrorMessage(
 452                      JSONSchemaValidator::kInvalidType,
 453                      schema::kString,
 454                      schema::kInteger));
 455 }
 456
 457 void JSONSchemaValidatorTestBase::TestArrayNonTuple() {
 458   scoped_ptr<base::DictionaryValue> schema(new base::DictionaryValue());
 459   schema->SetString(schema::kType, schema::kArray);
 460   schema->SetString("items.type", schema::kString);
 461   schema->SetInteger(schema::kMinItems, 2);
 462   schema->SetInteger(schema::kMaxItems, 3);
 463
 464   scoped_ptr<base::ListValue> instance(new base::ListValue());
 465   instance->Append(new base::StringValue("x"));
 466   instance->Append(new base::StringValue("x"));
 467
 468   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 469   instance->Append(new base::StringValue("x"));
 470   ExpectValid(TEST_SOURCE, instance.get(), schema.get(), NULL);
 471
 472   instance->Append(new base::StringValue("x"));
 473   ExpectNotValid(TEST_SOURCE,
 474                  instance.get(),
 475                  schema.get(),
 476                  NULL,
 477                  std::string(),
 478                  JSONSchemaValidator::FormatErrorMessage(
 479                      JSONSchemaValidator::kArrayMaxItems, "3"));
 480   instance->Remove(1, NULL);
 481   instance->Remove(1, NULL);
 482   instance->Remove(1, NULL);
 483   ExpectNotValid(TEST_SOURCE,
 484                  instance.get(),
 485                  schema.get(),
 486                  NULL,
 487                  std::string(),
 488                  JSONSchemaValidator::FormatErrorMessage(
 489                      JSONSchemaValidator::kArrayMinItems, "2"));
 490
 491   instance->Remove(1, NULL);
 492   instance->Append(new base::FundamentalValue(42));
 493   ExpectNotValid(TEST_SOURCE, instance.get(), schema.get(), NULL, "1",
 494                  JSONSchemaValidator::FormatErrorMessage(
 495                      JSONSchemaValidator::kInvalidType,
 496                      schema::kString,
 497                      schema::kInteger));
 498 }
 499
 500 void JSONSchemaValidatorTestBase::TestString() {
 501   scoped_ptr<base::DictionaryValue> schema(new base::DictionaryValue());
 502   schema->SetString(schema::kType, schema::kString);
 503   schema->SetInteger(schema::kMinLength, 1);
 504   schema->SetInteger(schema::kMaxLength, 10);
 505
 506   ExpectValid(TEST_SOURCE,
 507               scoped_ptr<base::Value>(new base::StringValue("x")).get(),
 508               schema.get(), NULL);
 509   ExpectValid(TEST_SOURCE,
 510               scoped_ptr<base::Value>(
 511                   new base::StringValue("xxxxxxxxxx")).get(),
 512               schema.get(), NULL);
 513
 514   ExpectNotValid(
 515       TEST_SOURCE,
 516       scoped_ptr<base::Value>(new base::StringValue(std::string())).get(),
 517       schema.get(),
 518       NULL,
 519       std::string(),
 520       JSONSchemaValidator::FormatErrorMessage(
 521           JSONSchemaValidator::kStringMinLength, "1"));
 522   ExpectNotValid(
 523       TEST_SOURCE,
 524       scoped_ptr<base::Value>(new base::StringValue("xxxxxxxxxxx")).get(),
 525       schema.get(),
 526       NULL,
 527       std::string(),
 528       JSONSchemaValidator::FormatErrorMessage(
 529           JSONSchemaValidator::kStringMaxLength, "10"));
 530 }
 531
 532 void JSONSchemaValidatorTestBase::TestNumber() {
 533   scoped_ptr<base::DictionaryValue> schema(new base::DictionaryValue());
 534   schema->SetString(schema::kType, schema::kNumber);
 535   schema->SetInteger(schema::kMinimum, 1);
 536   schema->SetInteger(schema::kMaximum, 100);
 537   schema->SetInteger("maxDecimal", 2);
 538
 539   ExpectValid(TEST_SOURCE,
 540               scoped_ptr<base::Value>(new base::FundamentalValue(1)).get(),
 541               schema.get(), NULL);
 542   ExpectValid(TEST_SOURCE,
 543               scoped_ptr<base::Value>(new base::FundamentalValue(50)).get(),
 544               schema.get(), NULL);
 545   ExpectValid(TEST_SOURCE,
 546               scoped_ptr<base::Value>(new base::FundamentalValue(100)).get(),
 547               schema.get(), NULL);
 548   ExpectValid(TEST_SOURCE,
 549               scoped_ptr<base::Value>(new base::FundamentalValue(88.88)).get(),
 550               schema.get(), NULL);
 551
 552   ExpectNotValid(TEST_SOURCE,
 553                  scoped_ptr<base::Value>(new base::FundamentalValue(0.5)).get(),
 554                  schema.get(),
 555                  NULL,
 556                  std::string(),
 557                  JSONSchemaValidator::FormatErrorMessage(
 558                      JSONSchemaValidator::kNumberMinimum, "1"));
 559   ExpectNotValid(
 560       TEST_SOURCE,
 561       scoped_ptr<base::Value>(new base::FundamentalValue(100.1)).get(),
 562       schema.get(),
 563       NULL,
 564       std::string(),
 565       JSONSchemaValidator::FormatErrorMessage(
 566           JSONSchemaValidator::kNumberMaximum, "100"));
 567 }
 568
 569 void JSONSchemaValidatorTestBase::TestTypeClassifier() {
 570   EXPECT_EQ(std::string(schema::kBoolean),
 571             JSONSchemaValidator::GetJSONSchemaType(
 572                 scoped_ptr<base::Value>(
 573                     new base::FundamentalValue(true)).get()));
 574   EXPECT_EQ(std::string(schema::kBoolean),
 575             JSONSchemaValidator::GetJSONSchemaType(
 576                 scoped_ptr<base::Value>(
 577                     new base::FundamentalValue(false)).get()));
 578
 579   // It doesn't matter whether the C++ type is 'integer' or 'real'. If the
 580   // number is integral and within the representable range of integers in
 581   // double, it's classified as 'integer'.
 582   EXPECT_EQ(std::string(schema::kInteger),
 583             JSONSchemaValidator::GetJSONSchemaType(
 584                 scoped_ptr<base::Value>(new base::FundamentalValue(42)).get()));
 585   EXPECT_EQ(std::string(schema::kInteger),
 586             JSONSchemaValidator::GetJSONSchemaType(
 587                 scoped_ptr<base::Value>(new base::FundamentalValue(0)).get()));
 588   EXPECT_EQ(std::string(schema::kInteger),
 589             JSONSchemaValidator::GetJSONSchemaType(
 590                 scoped_ptr<base::Value>(new base::FundamentalValue(42)).get()));
 591   EXPECT_EQ(std::string(schema::kInteger),
 592             JSONSchemaValidator::GetJSONSchemaType(scoped_ptr<base::Value>(
 593                 new base::FundamentalValue(pow(2.0, DBL_MANT_DIG))).get()));
 594   EXPECT_EQ(std::string(schema::kInteger),
 595             JSONSchemaValidator::GetJSONSchemaType(scoped_ptr<base::Value>(
 596                 new base::FundamentalValue(pow(-2.0, DBL_MANT_DIG))).get()));
 597
 598   // "number" is only used for non-integral numbers, or numbers beyond what
 599   // double can accurately represent.
 600   EXPECT_EQ(std::string(schema::kNumber),
 601             JSONSchemaValidator::GetJSONSchemaType(
 602                 scoped_ptr<base::Value>(
 603                     new base::FundamentalValue(88.8)).get()));
 604   EXPECT_EQ(std::string(schema::kNumber),
 605             JSONSchemaValidator::GetJSONSchemaType(scoped_ptr<base::Value>(
 606                 new base::FundamentalValue(pow(2.0, DBL_MANT_DIG) * 2)).get()));
 607   EXPECT_EQ(std::string(schema::kNumber),
 608             JSONSchemaValidator::GetJSONSchemaType(scoped_ptr<base::Value>(
 609                 new base::FundamentalValue(
 610                     pow(-2.0, DBL_MANT_DIG) * 2)).get()));
 611
 612   EXPECT_EQ(std::string(schema::kString),
 613             JSONSchemaValidator::GetJSONSchemaType(
 614                 scoped_ptr<base::Value>(new base::StringValue("foo")).get()));
 615   EXPECT_EQ(std::string(schema::kArray),
 616             JSONSchemaValidator::GetJSONSchemaType(
 617                 scoped_ptr<base::Value>(new base::ListValue()).get()));
 618   EXPECT_EQ(std::string(schema::kObject),
 619             JSONSchemaValidator::GetJSONSchemaType(
 620                 scoped_ptr<base::Value>(new base::DictionaryValue()).get()));
 621   EXPECT_EQ(std::string(schema::kNull),
 622             JSONSchemaValidator::GetJSONSchemaType(
 623                 scoped_ptr<base::Value>(base::Value::CreateNullValue()).get()));
 624 }
 625
 626 void JSONSchemaValidatorTestBase::TestTypes() {
 627   scoped_ptr<base::DictionaryValue> schema(new base::DictionaryValue());
 628
 629   // valid
 630   schema->SetString(schema::kType, schema::kObject);
 631   ExpectValid(TEST_SOURCE,
 632               scoped_ptr<base::Value>(new base::DictionaryValue()).get(),
 633               schema.get(), NULL);
 634
 635   schema->SetString(schema::kType, schema::kArray);
 636   ExpectValid(TEST_SOURCE, scoped_ptr<base::Value>(new base::ListValue()).get(),
 637               schema.get(), NULL);
 638
 639   schema->SetString(schema::kType, schema::kString);
 640   ExpectValid(TEST_SOURCE,
 641               scoped_ptr<base::Value>(new base::StringValue("foobar")).get(),
 642               schema.get(), NULL);
 643
 644   schema->SetString(schema::kType, schema::kNumber);
 645   ExpectValid(TEST_SOURCE,
 646               scoped_ptr<base::Value>(new base::FundamentalValue(88.8)).get(),
 647               schema.get(), NULL);
 648   ExpectValid(TEST_SOURCE,
 649               scoped_ptr<base::Value>(new base::FundamentalValue(42)).get(),
 650               schema.get(), NULL);
 651   ExpectValid(TEST_SOURCE,
 652               scoped_ptr<base::Value>(new base::FundamentalValue(42)).get(),
 653               schema.get(), NULL);
 654   ExpectValid(TEST_SOURCE,
 655               scoped_ptr<base::Value>(new base::FundamentalValue(0)).get(),
 656               schema.get(), NULL);
 657
 658   schema->SetString(schema::kType, schema::kInteger);
 659   ExpectValid(TEST_SOURCE,
 660               scoped_ptr<base::Value>(new base::FundamentalValue(42)).get(),
 661               schema.get(), NULL);
 662   ExpectValid(TEST_SOURCE,
 663               scoped_ptr<base::Value>(new base::FundamentalValue(42)).get(),
 664               schema.get(), NULL);
 665   ExpectValid(TEST_SOURCE,
 666               scoped_ptr<base::Value>(new base::FundamentalValue(0)).get(),
 667               schema.get(), NULL);
 668   ExpectValid(TEST_SOURCE,
 669               scoped_ptr<base::Value>(
 670                   new base::FundamentalValue(pow(2.0, DBL_MANT_DIG))).get(),
 671               schema.get(), NULL);
 672   ExpectValid(TEST_SOURCE,
 673               scoped_ptr<base::Value>(
 674                   new base::FundamentalValue(pow(-2.0, DBL_MANT_DIG))).get(),
 675               schema.get(), NULL);
 676
 677   schema->SetString(schema::kType, schema::kBoolean);
 678   ExpectValid(TEST_SOURCE,
 679               scoped_ptr<base::Value>(new base::FundamentalValue(false)).get(),
 680               schema.get(), NULL);
 681   ExpectValid(TEST_SOURCE,
 682               scoped_ptr<base::Value>(new base::FundamentalValue(true)).get(),
 683               schema.get(), NULL);
 684
 685   schema->SetString(schema::kType, schema::kNull);
 686   ExpectValid(TEST_SOURCE,
 687               scoped_ptr<base::Value>(base::Value::CreateNullValue()).get(),
 688               schema.get(), NULL);
 689
 690   // not valid
 691   schema->SetString(schema::kType, schema::kObject);
 692   ExpectNotValid(
 693       TEST_SOURCE,
 694       scoped_ptr<base::Value>(new base::ListValue()).get(),
 695       schema.get(),
 696       NULL,
 697       std::string(),
 698       JSONSchemaValidator::FormatErrorMessage(
 699           JSONSchemaValidator::kInvalidType, schema::kObject, schema::kArray));
 700
 701   schema->SetString(schema::kType, schema::kObject);
 702   ExpectNotValid(
 703       TEST_SOURCE,
 704       scoped_ptr<base::Value>(base::Value::CreateNullValue()).get(),
 705       schema.get(),
 706       NULL,
 707       std::string(),
 708       JSONSchemaValidator::FormatErrorMessage(
 709           JSONSchemaValidator::kInvalidType, schema::kObject, schema::kNull));
 710
 711   schema->SetString(schema::kType, schema::kArray);
 712   ExpectNotValid(
 713       TEST_SOURCE,
 714       scoped_ptr<base::Value>(new base::FundamentalValue(42)).get(),
 715       schema.get(),
 716       NULL,
 717       std::string(),
 718       JSONSchemaValidator::FormatErrorMessage(
 719           JSONSchemaValidator::kInvalidType, schema::kArray, schema::kInteger));
 720
 721   schema->SetString(schema::kType, schema::kString);
 722   ExpectNotValid(
 723       TEST_SOURCE,
 724       scoped_ptr<base::Value>(new base::FundamentalValue(42)).get(),
 725       schema.get(),
 726       NULL,
 727       std::string(),
 728       JSONSchemaValidator::FormatErrorMessage(JSONSchemaValidator::kInvalidType,
 729                                               schema::kString,
 730                                               schema::kInteger));
 731
 732   schema->SetString(schema::kType, schema::kNumber);
 733   ExpectNotValid(
 734       TEST_SOURCE,
 735       scoped_ptr<base::Value>(new base::StringValue("42")).get(),
 736       schema.get(),
 737       NULL,
 738       std::string(),
 739       JSONSchemaValidator::FormatErrorMessage(
 740           JSONSchemaValidator::kInvalidType, schema::kNumber, schema::kString));
 741
 742   schema->SetString(schema::kType, schema::kInteger);
 743   ExpectNotValid(
 744       TEST_SOURCE,
 745       scoped_ptr<base::Value>(new base::FundamentalValue(88.8)).get(),
 746       schema.get(),
 747       NULL,
 748       std::string(),
 749       JSONSchemaValidator::kInvalidTypeIntegerNumber);
 750
 751   schema->SetString(schema::kType, schema::kBoolean);
 752   ExpectNotValid(
 753       TEST_SOURCE,
 754       scoped_ptr<base::Value>(new base::FundamentalValue(1)).get(),
 755       schema.get(),
 756       NULL,
 757       std::string(),
 758       JSONSchemaValidator::FormatErrorMessage(JSONSchemaValidator::kInvalidType,
 759                                               schema::kBoolean,
 760                                               schema::kInteger));
 761
 762   schema->SetString(schema::kType, schema::kNull);
 763   ExpectNotValid(
 764       TEST_SOURCE,
 765       scoped_ptr<base::Value>(new base::FundamentalValue(false)).get(),
 766       schema.get(),
 767       NULL,
 768       std::string(),
 769       JSONSchemaValidator::FormatErrorMessage(
 770           JSONSchemaValidator::kInvalidType, schema::kNull, schema::kBoolean));
 771 }