Added a validator for JSON v3 schemas.

chrome/common/json_schema/json_schema_validator_unittest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/values.h"
 #include "chrome/common/json_schema/json_schema_validator.h"
 #include "chrome/common/json_schema/json_schema_validator_unittest_base.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class JSONSchemaValidatorCPPTest : public JSONSchemaValidatorTestBase {
@@ skipping 32 matching lines @@
     ASSERT_EQ(1u, validator.errors().size()) << test_source;
     EXPECT_EQ(expected_error_path, validator.errors()[0].path) << test_source;
     EXPECT_EQ(expected_error_message, validator.errors()[0].message)
         << test_source;
   }
 };
 
 TEST_F(JSONSchemaValidatorCPPTest, Test) {
   RunTests();
 }
+
+TEST(JSONSchemaValidator, IsValidSchema) {
+  std::string error;
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema("", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema("\0", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema("string", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema("\"string\"", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema("[]", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema("{}", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema(
+      "{ \"type\": 123 }", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema(
+      "{ \"type\": \"invalid\" }", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema(
+      "{"
+      "  \"type\": \"object\","
+      "  \"properties\": []"  // Invalid properties type.
+      "}", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema(
+      "{"
+      "  \"type\": \"string\","
+      "  \"maxLength\": -1"  // Must be >= 0.
+      "}", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema(
+      "{"
+      "  \"type\": \"string\","
+      "  \"enum\": [ {} ],"  // "enum" must contain simple values.
+      "}", &error));
+  EXPECT_FALSE(JSONSchemaValidator::IsValidSchema(
+      "{"
+      "  \"type\": \"array\","
+      "  \"items\": [ 123 ],"  // "items" must contain a schema or schemas.
+      "}", &error));
+  EXPECT_TRUE(JSONSchemaValidator::IsValidSchema(
+      "{ \"type\": \"object\" }", &error)) << error;
+  EXPECT_TRUE(JSONSchemaValidator::IsValidSchema(
+      "{ \"type\": [\"object\", \"array\"] }", &error)) << error;

[not at google - send to devlin, 2013/05/16 17:08:20]

test a list of items?

[Joao da Silva, 2013/05/19 13:16:29]

Done.

+  EXPECT_TRUE(JSONSchemaValidator::IsValidSchema(
+      "{"
+      "  \"type\": [\"object\", \"array\"],"
+      "  \"properties\": {"
+      "    \"string\": {"
+      "      \"type\": \"string\","
+      "      \"minLength\": 1,"
+      "      \"maxLength\": 100"
+      "    },"
+      "    \"integer\": {"
+      "      \"type\": \"number\","
+      "      \"minimum\": 1000.0,"
+      "      \"maximum\": 9999.0"
+      "    },"
+      "    \"enum\": {"
+      "      \"type\": \"integer\","
+      "      \"enum\": [0, 1, 10, 100]"
+      "    }"
+      "  },"
+      "  \"additionalProperties\": {"
+      "    \"type\": \"any\""
+      "  },"
+      "  \"items\": {"
+      "    \"type\": \"string\""
+      "  },"
+      "  \"unknown_key\": \"is ignored\""

[not at google - send to devlin, 2013/05/16 17:08:20]

hmm...

[Joao da Silva, 2013/05/19 13:16:29]

Removed :-)

+      "}", &error)) << error;
+}