2 * Copyright 2017 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 // Copyright 2004-present Facebook. All Rights Reserved.
18 #include <folly/experimental/JSONSchema.h>
19 #include <folly/json.h>
20 #include <folly/portability/GTest.h>
23 using folly::parseJson;
24 using namespace folly::jsonschema;
27 bool check(const dynamic& schema, const dynamic& value, bool check = true) {
29 auto schemavalidator = makeSchemaValidator();
30 auto ew = schemavalidator->try_validate(schema);
36 auto validator = makeValidator(schema);
37 auto ew = validator->try_validate(value);
38 if (validator->try_validate(value)) {
44 TEST(JSONSchemaTest, TestMultipleOfInt) {
45 dynamic schema = dynamic::object("multipleOf", 2);
46 ASSERT_TRUE(check(schema, "invalid"));
47 ASSERT_TRUE(check(schema, 30));
48 ASSERT_TRUE(check(schema, 24.0));
49 ASSERT_FALSE(check(schema, 5));
50 ASSERT_FALSE(check(schema, 2.01));
53 TEST(JSONSchemaTest, TestMultipleOfDouble) {
54 dynamic schema = dynamic::object("multipleOf", 1.5);
55 ASSERT_TRUE(check(schema, "invalid"));
56 ASSERT_TRUE(check(schema, 30));
57 ASSERT_TRUE(check(schema, 24.0));
58 ASSERT_FALSE(check(schema, 5));
59 ASSERT_FALSE(check(schema, 2.01));
61 schema = dynamic::object("multipleOf", 0.0001);
62 ASSERT_TRUE(check(schema, 0.0075));
65 TEST(JSONSchemaTest, TestMinimumIntInclusive) {
66 dynamic schema = dynamic::object("minimum", 2);
67 ASSERT_TRUE(check(schema, "invalid"));
68 ASSERT_TRUE(check(schema, 30));
69 ASSERT_TRUE(check(schema, 24.0));
70 ASSERT_TRUE(check(schema, 2));
71 ASSERT_FALSE(check(schema, 1));
72 ASSERT_FALSE(check(schema, 1.9999));
75 TEST(JSONSchemaTest, TestMinimumIntExclusive) {
76 dynamic schema = dynamic::object("minimum", 2)("exclusiveMinimum", true);
77 ASSERT_FALSE(check(schema, 2));
80 TEST(JSONSchemaTest, TestMaximumIntInclusive) {
81 dynamic schema = dynamic::object("maximum", 12);
82 ASSERT_TRUE(check(schema, "invalid"));
83 ASSERT_TRUE(check(schema, 3));
84 ASSERT_TRUE(check(schema, 3.1));
85 ASSERT_TRUE(check(schema, 12));
86 ASSERT_FALSE(check(schema, 13));
87 ASSERT_FALSE(check(schema, 12.0001));
90 TEST(JSONSchemaTest, TestMaximumIntExclusive) {
91 dynamic schema = dynamic::object("maximum", 2)("exclusiveMaximum", true);
92 ASSERT_FALSE(check(schema, 2));
95 TEST(JSONSchemaTest, TestMinimumDoubleInclusive) {
96 dynamic schema = dynamic::object("minimum", 1.75);
97 ASSERT_TRUE(check(schema, "invalid"));
98 ASSERT_TRUE(check(schema, 30));
99 ASSERT_TRUE(check(schema, 24.0));
100 ASSERT_TRUE(check(schema, 1.75));
101 ASSERT_FALSE(check(schema, 1));
102 ASSERT_FALSE(check(schema, 1.74));
105 TEST(JSONSchemaTest, TestMinimumDoubleExclusive) {
106 dynamic schema = dynamic::object("minimum", 1.75)("exclusiveMinimum", true);
107 ASSERT_FALSE(check(schema, 1.75));
110 TEST(JSONSchemaTest, TestMaximumDoubleInclusive) {
111 dynamic schema = dynamic::object("maximum", 12.75);
112 ASSERT_TRUE(check(schema, "invalid"));
113 ASSERT_TRUE(check(schema, 3));
114 ASSERT_TRUE(check(schema, 3.1));
115 ASSERT_TRUE(check(schema, 12.75));
116 ASSERT_FALSE(check(schema, 13));
117 ASSERT_FALSE(check(schema, 12.76));
120 TEST(JSONSchemaTest, TestMaximumDoubleExclusive) {
121 dynamic schema = dynamic::object("maximum", 12.75)("exclusiveMaximum", true);
122 ASSERT_FALSE(check(schema, 12.75));
125 TEST(JSONSchemaTest, TestInvalidSchema) {
126 dynamic schema = dynamic::object("multipleOf", "invalid");
127 // don't check the schema since it's meant to be invalid
128 ASSERT_TRUE(check(schema, 30, false));
130 schema = dynamic::object("minimum", "invalid")("maximum", "invalid");
131 ASSERT_TRUE(check(schema, 2, false));
133 schema = dynamic::object("minLength", "invalid")("maxLength", "invalid");
134 ASSERT_TRUE(check(schema, 2, false));
135 ASSERT_TRUE(check(schema, "foo", false));
138 TEST(JSONSchemaTest, TestMinimumStringLength) {
139 dynamic schema = dynamic::object("minLength", 3);
140 ASSERT_TRUE(check(schema, "abcde"));
141 ASSERT_TRUE(check(schema, "abc"));
142 ASSERT_FALSE(check(schema, "a"));
145 TEST(JSONSchemaTest, TestMaximumStringLength) {
146 dynamic schema = dynamic::object("maxLength", 3);
147 ASSERT_FALSE(check(schema, "abcde"));
148 ASSERT_TRUE(check(schema, "abc"));
149 ASSERT_TRUE(check(schema, "a"));
152 TEST(JSONSchemaTest, TestStringPattern) {
153 dynamic schema = dynamic::object("pattern", "[1-9]+");
154 ASSERT_TRUE(check(schema, "123"));
155 ASSERT_FALSE(check(schema, "abc"));
158 TEST(JSONSchemaTest, TestMinimumArrayItems) {
159 dynamic schema = dynamic::object("minItems", 3);
160 ASSERT_TRUE(check(schema, dynamic::array(1, 2, 3, 4, 5)));
161 ASSERT_TRUE(check(schema, dynamic::array(1, 2, 3)));
162 ASSERT_FALSE(check(schema, dynamic::array(1)));
165 TEST(JSONSchemaTest, TestMaximumArrayItems) {
166 dynamic schema = dynamic::object("maxItems", 3);
167 ASSERT_FALSE(check(schema, dynamic::array(1, 2, 3, 4, 5)));
168 ASSERT_TRUE(check(schema, dynamic::array(1, 2, 3)));
169 ASSERT_TRUE(check(schema, dynamic::array(1)));
170 ASSERT_TRUE(check(schema, "foobar"));
173 TEST(JSONSchemaTest, TestArrayUniqueItems) {
174 dynamic schema = dynamic::object("uniqueItems", true);
175 ASSERT_TRUE(check(schema, dynamic::array(1, 2, 3)));
176 ASSERT_FALSE(check(schema, dynamic::array(1, 2, 3, 1)));
177 ASSERT_FALSE(check(schema, dynamic::array("cat", "dog", 1, 2, "cat")));
181 dynamic::object("foo", "bar"), dynamic::object("foo", "baz"))));
183 schema = dynamic::object("uniqueItems", false);
184 ASSERT_TRUE(check(schema, dynamic::array(1, 2, 3, 1)));
187 TEST(JSONSchemaTest, TestArrayItems) {
188 dynamic schema = dynamic::object("items", dynamic::object("minimum", 2));
189 ASSERT_TRUE(check(schema, dynamic::array(2, 3, 4)));
190 ASSERT_FALSE(check(schema, dynamic::array(3, 4, 1)));
193 TEST(JSONSchemaTest, TestArrayAdditionalItems) {
194 dynamic schema = dynamic::object(
197 dynamic::object("minimum", 2), dynamic::object("minimum", 1)))(
198 "additionalItems", dynamic::object("minimum", 3));
199 ASSERT_TRUE(check(schema, dynamic::array(2, 1, 3, 3, 3, 3, 4)));
200 ASSERT_FALSE(check(schema, dynamic::array(2, 1, 3, 3, 3, 3, 1)));
203 TEST(JSONSchemaTest, TestArrayNoAdditionalItems) {
205 dynamic::object("items", dynamic::array(dynamic::object("minimum", 2)))(
206 "additionalItems", false);
207 ASSERT_FALSE(check(schema, dynamic::array(3, 3, 3)));
210 TEST(JSONSchemaTest, TestArrayItemsNotPresent) {
211 dynamic schema = dynamic::object("additionalItems", false);
212 ASSERT_TRUE(check(schema, dynamic::array(3, 3, 3)));
215 TEST(JSONSchemaTest, TestRef) {
216 dynamic schema = dynamic::object(
218 dynamic::object("positiveInteger",
219 dynamic::object("minimum", 1)("type", "integer")))(
220 "items", dynamic::object("$ref", "#/definitions/positiveInteger"));
221 ASSERT_TRUE(check(schema, dynamic::array(1, 2, 3, 4)));
222 ASSERT_FALSE(check(schema, dynamic::array(4, -5)));
225 TEST(JSONSchemaTest, TestRecursiveRef) {
226 dynamic schema = dynamic::object(
227 "properties", dynamic::object("more", dynamic::object("$ref", "#")));
228 dynamic d = dynamic::object;
229 ASSERT_TRUE(check(schema, d));
230 d["more"] = dynamic::object;
231 ASSERT_TRUE(check(schema, d));
232 d["more"]["more"] = dynamic::object;
233 ASSERT_TRUE(check(schema, d));
234 d["more"]["more"]["more"] = dynamic::object;
235 ASSERT_TRUE(check(schema, d));
238 TEST(JSONSchemaTest, TestDoubleRecursiveRef) {
240 dynamic::object("properties",
241 dynamic::object("more", dynamic::object("$ref", "#"))(
242 "less", dynamic::object("$ref", "#")));
243 dynamic d = dynamic::object;
244 ASSERT_TRUE(check(schema, d));
245 d["more"] = dynamic::object;
246 d["less"] = dynamic::object;
247 ASSERT_TRUE(check(schema, d));
248 d["more"]["less"] = dynamic::object;
249 d["less"]["mode"] = dynamic::object;
250 ASSERT_TRUE(check(schema, d));
253 TEST(JSONSchemaTest, TestInfinitelyRecursiveRef) {
254 dynamic schema = dynamic::object("not", dynamic::object("$ref", "#"));
255 auto validator = makeValidator(schema);
256 ASSERT_THROW(validator->validate(dynamic::array(1, 2)), std::runtime_error);
259 TEST(JSONSchemaTest, TestRequired) {
260 dynamic schema = dynamic::object("required", dynamic::array("foo", "bar"));
261 ASSERT_FALSE(check(schema, dynamic::object("foo", 123)));
262 ASSERT_FALSE(check(schema, dynamic::object("bar", 123)));
263 ASSERT_TRUE(check(schema, dynamic::object("bar", 123)("foo", 456)));
266 TEST(JSONSchemaTest, TestMinMaxProperties) {
267 dynamic schema = dynamic::object("minProperties", 1)("maxProperties", 3);
268 dynamic d = dynamic::object;
269 ASSERT_FALSE(check(schema, d));
271 ASSERT_TRUE(check(schema, d));
273 ASSERT_TRUE(check(schema, d));
275 ASSERT_TRUE(check(schema, d));
277 ASSERT_FALSE(check(schema, d));
280 TEST(JSONSchemaTest, TestProperties) {
281 dynamic schema = dynamic::object(
282 "properties", dynamic::object("p1", dynamic::object("minimum", 1)))(
283 "patternProperties", dynamic::object("[0-9]+", dynamic::object))(
284 "additionalProperties", dynamic::object("maximum", 5));
285 ASSERT_TRUE(check(schema, dynamic::object("p1", 1)));
286 ASSERT_FALSE(check(schema, dynamic::object("p1", 0)));
287 ASSERT_TRUE(check(schema, dynamic::object("123", "anything")));
288 ASSERT_TRUE(check(schema, dynamic::object("123", 500)));
289 ASSERT_TRUE(check(schema, dynamic::object("other_property", 4)));
290 ASSERT_FALSE(check(schema, dynamic::object("other_property", 6)));
292 TEST(JSONSchemaTest, TestPropertyAndPattern) {
293 dynamic schema = dynamic::object
294 ("properties", dynamic::object("p1", dynamic::object("minimum", 1)))
295 ("patternProperties", dynamic::object("p.", dynamic::object("maximum", 5)));
296 ASSERT_TRUE(check(schema, dynamic::object("p1", 3)));
297 ASSERT_FALSE(check(schema, dynamic::object("p1", 0)));
298 ASSERT_FALSE(check(schema, dynamic::object("p1", 6)));
301 TEST(JSONSchemaTest, TestPropertyDependency) {
302 dynamic schema = dynamic::object(
303 "dependencies", dynamic::object("p1", dynamic::array("p2")));
304 ASSERT_TRUE(check(schema, dynamic::object));
305 ASSERT_TRUE(check(schema, dynamic::object("p1", 1)("p2", 1)));
306 ASSERT_FALSE(check(schema, dynamic::object("p1", 1)));
309 TEST(JSONSchemaTest, TestSchemaDependency) {
310 dynamic schema = dynamic::object(
312 dynamic::object("p1", dynamic::object("required", dynamic::array("p2"))));
313 ASSERT_TRUE(check(schema, dynamic::object));
314 ASSERT_TRUE(check(schema, dynamic::object("p1", 1)("p2", 1)));
315 ASSERT_FALSE(check(schema, dynamic::object("p1", 1)));
318 TEST(JSONSchemaTest, TestEnum) {
319 dynamic schema = dynamic::object("enum", dynamic::array("a", 1));
320 ASSERT_TRUE(check(schema, "a"));
321 ASSERT_TRUE(check(schema, 1));
322 ASSERT_FALSE(check(schema, "b"));
325 TEST(JSONSchemaTest, TestType) {
326 dynamic schema = dynamic::object("type", "object");
327 ASSERT_TRUE(check(schema, dynamic::object));
328 ASSERT_FALSE(check(schema, dynamic(5)));
331 TEST(JSONSchemaTest, TestTypeArray) {
332 dynamic schema = dynamic::object("type", dynamic::array("array", "number"));
333 ASSERT_TRUE(check(schema, dynamic(5)));
334 ASSERT_TRUE(check(schema, dynamic(1.1)));
335 ASSERT_FALSE(check(schema, dynamic::object));
338 TEST(JSONSchemaTest, TestAllOf) {
339 dynamic schema = dynamic::object(
342 dynamic::object("minimum", 1), dynamic::object("type", "integer")));
343 ASSERT_TRUE(check(schema, 2));
344 ASSERT_FALSE(check(schema, 0));
345 ASSERT_FALSE(check(schema, 1.1));
348 TEST(JSONSchemaTest, TestAnyOf) {
349 dynamic schema = dynamic::object(
352 dynamic::object("minimum", 1), dynamic::object("type", "integer")));
353 ASSERT_TRUE(check(schema, 2)); // matches both
354 ASSERT_FALSE(check(schema, 0.1)); // matches neither
355 ASSERT_TRUE(check(schema, 1.1)); // matches first one
356 ASSERT_TRUE(check(schema, 0)); // matches second one
359 TEST(JSONSchemaTest, TestOneOf) {
360 dynamic schema = dynamic::object(
363 dynamic::object("minimum", 1), dynamic::object("type", "integer")));
364 ASSERT_FALSE(check(schema, 2)); // matches both
365 ASSERT_FALSE(check(schema, 0.1)); // matches neither
366 ASSERT_TRUE(check(schema, 1.1)); // matches first one
367 ASSERT_TRUE(check(schema, 0)); // matches second one
370 TEST(JSONSchemaTest, TestNot) {
372 dynamic::object("not", dynamic::object("minimum", 5)("maximum", 10));
373 ASSERT_TRUE(check(schema, 4));
374 ASSERT_FALSE(check(schema, 7));
375 ASSERT_TRUE(check(schema, 11));
378 // The tests below use some sample schema from json-schema.org
380 TEST(JSONSchemaTest, TestMetaSchema) {
381 const char* example1 =
384 \"title\": \"Example Schema\", \
385 \"type\": \"object\", \
388 \"type\": \"string\" \
391 \"type\": \"string\" \
394 \"description\": \"Age in years\", \
395 \"type\": \"integer\", \
399 \"required\": [\"firstName\", \"lastName\"] \
402 auto val = makeSchemaValidator();
403 val->validate(parseJson(example1)); // doesn't throw
405 ASSERT_THROW(val->validate("123"), std::runtime_error);
408 TEST(JSONSchemaTest, TestProductSchema) {
409 const char* productSchema =
412 \"$schema\": \"http://json-schema.org/draft-04/schema#\", \
413 \"title\": \"Product\", \
414 \"description\": \"A product from Acme's catalog\", \
415 \"type\": \"object\", \
418 \"description\": \"The unique identifier for a product\", \
419 \"type\": \"integer\" \
422 \"description\": \"Name of the product\", \
423 \"type\": \"string\" \
426 \"type\": \"number\", \
428 \"exclusiveMinimum\": true \
431 \"type\": \"array\", \
433 \"type\": \"string\" \
436 \"uniqueItems\": true \
439 \"required\": [\"id\", \"name\", \"price\"] \
441 const char* product =
445 \"name\": \"A green door\", \
447 \"tags\": [\"home\", \"green\"] \
449 ASSERT_TRUE(check(parseJson(productSchema), parseJson(product)));