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Side by Side Diff: third_party/protobuf/csharp/src/Google.Protobuf.Test/JsonFormatterTest.cs

Issue 1322483002: Revert https://codereview.chromium.org/1291903002 (protobuf roll). (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 3 months ago
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1 #region Copyright notice and license
2 // Protocol Buffers - Google's data interchange format
3 // Copyright 2008 Google Inc. All rights reserved.
4 // https://developers.google.com/protocol-buffers/
5 //
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions are
8 // met:
9 //
10 // * Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 // * Redistributions in binary form must reproduce the above
13 // copyright notice, this list of conditions and the following disclaimer
14 // in the documentation and/or other materials provided with the
15 // distribution.
16 // * Neither the name of Google Inc. nor the names of its
17 // contributors may be used to endorse or promote products derived from
18 // this software without specific prior written permission.
19 //
20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #endregion
32
33 using System;
34 using Google.Protobuf.TestProtos;
35 using NUnit.Framework;
36 using UnitTest.Issues.TestProtos;
37 using Google.Protobuf.WellKnownTypes;
38
39 namespace Google.Protobuf
40 {
41 /// <summary>
42 /// Tests for the JSON formatter. Note that in these tests, double quotes ar e replaced with apostrophes
43 /// for the sake of readability (embedding \" everywhere is painful). See th e AssertJson method for details.
44 /// </summary>
45 public class JsonFormatterTest
46 {
47 [Test]
48 public void DefaultValues_WhenOmitted()
49 {
50 var formatter = new JsonFormatter(new JsonFormatter.Settings(formatD efaultValues: false));
51
52 AssertJson("{ }", formatter.Format(new ForeignMessage()));
53 AssertJson("{ }", formatter.Format(new TestAllTypes()));
54 AssertJson("{ }", formatter.Format(new TestMap()));
55 }
56
57 [Test]
58 public void DefaultValues_WhenIncluded()
59 {
60 var formatter = new JsonFormatter(new JsonFormatter.Settings(formatD efaultValues: true));
61 AssertJson("{ 'c': 0 }", formatter.Format(new ForeignMessage()));
62 }
63
64 [Test]
65 public void AllSingleFields()
66 {
67 var message = new TestAllTypes
68 {
69 SingleBool = true,
70 SingleBytes = ByteString.CopyFrom(1, 2, 3, 4),
71 SingleDouble = 23.5,
72 SingleFixed32 = 23,
73 SingleFixed64 = 1234567890123,
74 SingleFloat = 12.25f,
75 SingleForeignEnum = ForeignEnum.FOREIGN_BAR,
76 SingleForeignMessage = new ForeignMessage { C = 10 },
77 SingleImportEnum = ImportEnum.IMPORT_BAZ,
78 SingleImportMessage = new ImportMessage { D = 20 },
79 SingleInt32 = 100,
80 SingleInt64 = 3210987654321,
81 SingleNestedEnum = TestAllTypes.Types.NestedEnum.FOO,
82 SingleNestedMessage = new TestAllTypes.Types.NestedMessage { Bb = 35 },
83 SinglePublicImportMessage = new PublicImportMessage { E = 54 },
84 SingleSfixed32 = -123,
85 SingleSfixed64 = -12345678901234,
86 SingleSint32 = -456,
87 SingleSint64 = -12345678901235,
88 SingleString = "test\twith\ttabs",
89 SingleUint32 = uint.MaxValue,
90 SingleUint64 = ulong.MaxValue,
91 };
92 var actualText = JsonFormatter.Default.Format(message);
93
94 // Fields in numeric order
95 var expectedText = "{ " +
96 "'singleInt32': 100, " +
97 "'singleInt64': '3210987654321', " +
98 "'singleUint32': 4294967295, " +
99 "'singleUint64': '18446744073709551615', " +
100 "'singleSint32': -456, " +
101 "'singleSint64': '-12345678901235', " +
102 "'singleFixed32': 23, " +
103 "'singleFixed64': '1234567890123', " +
104 "'singleSfixed32': -123, " +
105 "'singleSfixed64': '-12345678901234', " +
106 "'singleFloat': 12.25, " +
107 "'singleDouble': 23.5, " +
108 "'singleBool': true, " +
109 "'singleString': 'test\\twith\\ttabs', " +
110 "'singleBytes': 'AQIDBA==', " +
111 "'singleNestedMessage': { 'bb': 35 }, " +
112 "'singleForeignMessage': { 'c': 10 }, " +
113 "'singleImportMessage': { 'd': 20 }, " +
114 "'singleNestedEnum': 'FOO', " +
115 "'singleForeignEnum': 'FOREIGN_BAR', " +
116 "'singleImportEnum': 'IMPORT_BAZ', " +
117 "'singlePublicImportMessage': { 'e': 54 }" +
118 " }";
119 AssertJson(expectedText, actualText);
120 }
121
122 [Test]
123 public void RepeatedField()
124 {
125 AssertJson("{ 'repeatedInt32': [ 1, 2, 3, 4, 5 ] }",
126 JsonFormatter.Default.Format(new TestAllTypes { RepeatedInt32 = { 1, 2, 3, 4, 5 } }));
127 }
128
129 [Test]
130 public void MapField_StringString()
131 {
132 AssertJson("{ 'mapStringString': { 'with spaces': 'bar', 'a': 'b' } }",
133 JsonFormatter.Default.Format(new TestMap { MapStringString = { { "with spaces", "bar" }, { "a", "b" } } }));
134 }
135
136 [Test]
137 public void MapField_Int32Int32()
138 {
139 // The keys are quoted, but the values aren't.
140 AssertJson("{ 'mapInt32Int32': { '0': 1, '2': 3 } }",
141 JsonFormatter.Default.Format(new TestMap { MapInt32Int32 = { { 0 , 1 }, { 2, 3 } } }));
142 }
143
144 [Test]
145 public void MapField_BoolBool()
146 {
147 // The keys are quoted, but the values aren't.
148 AssertJson("{ 'mapBoolBool': { 'false': true, 'true': false } }",
149 JsonFormatter.Default.Format(new TestMap { MapBoolBool = { { fal se, true }, { true, false } } }));
150 }
151
152 [TestCase(1.0, "1")]
153 [TestCase(double.NaN, "'NaN'")]
154 [TestCase(double.PositiveInfinity, "'Infinity'")]
155 [TestCase(double.NegativeInfinity, "'-Infinity'")]
156 public void DoubleRepresentations(double value, string expectedValueText )
157 {
158 var message = new TestAllTypes { SingleDouble = value };
159 string actualText = JsonFormatter.Default.Format(message);
160 string expectedText = "{ 'singleDouble': " + expectedValueText + " } ";
161 AssertJson(expectedText, actualText);
162 }
163
164 [Test]
165 public void UnknownEnumValueOmitted_SingleField()
166 {
167 var message = new TestAllTypes { SingleForeignEnum = (ForeignEnum) 1 00 };
168 AssertJson("{ }", JsonFormatter.Default.Format(message));
169 }
170
171 [Test]
172 public void UnknownEnumValueOmitted_RepeatedField()
173 {
174 var message = new TestAllTypes { RepeatedForeignEnum = { ForeignEnum .FOREIGN_BAZ, (ForeignEnum) 100, ForeignEnum.FOREIGN_FOO } };
175 AssertJson("{ 'repeatedForeignEnum': [ 'FOREIGN_BAZ', 'FOREIGN_FOO' ] }", JsonFormatter.Default.Format(message));
176 }
177
178 [Test]
179 public void UnknownEnumValueOmitted_MapField()
180 {
181 // This matches the C++ behaviour.
182 var message = new TestMap { MapInt32Enum = { { 1, MapEnum.MAP_ENUM_F OO }, { 2, (MapEnum) 100 }, { 3, MapEnum.MAP_ENUM_BAR } } };
183 AssertJson("{ 'mapInt32Enum': { '1': 'MAP_ENUM_FOO', '3': 'MAP_ENUM_ BAR' } }", JsonFormatter.Default.Format(message));
184 }
185
186 [Test]
187 public void UnknownEnumValueOmitted_RepeatedField_AllEntriesUnknown()
188 {
189 // *Maybe* we should hold off on writing the "[" until we find that we've got at least one value to write...
190 // but this is what happens at the moment, and it doesn't seem too a wful.
191 var message = new TestAllTypes { RepeatedForeignEnum = { (ForeignEnu m) 200, (ForeignEnum) 100 } };
192 AssertJson("{ 'repeatedForeignEnum': [ ] }", JsonFormatter.Default.F ormat(message));
193 }
194
195 [Test]
196 public void NullValueForMessage()
197 {
198 var message = new TestMap { MapInt32ForeignMessage = { { 10, null } } };
199 AssertJson("{ 'mapInt32ForeignMessage': { '10': null } }", JsonForma tter.Default.Format(message));
200 }
201
202 [Test]
203 [TestCase("a\u17b4b", "a\\u17b4b")] // Explicit
204 [TestCase("a\u0601b", "a\\u0601b")] // Ranged
205 [TestCase("a\u0605b", "a\u0605b")] // Passthrough (note lack of double b ackslash...)
206 public void SimpleNonAscii(string text, string encoded)
207 {
208 var message = new TestAllTypes { SingleString = text };
209 AssertJson("{ 'singleString': '" + encoded + "' }", JsonFormatter.De fault.Format(message));
210 }
211
212 [Test]
213 public void SurrogatePairEscaping()
214 {
215 var message = new TestAllTypes { SingleString = "a\uD801\uDC01b" };
216 AssertJson("{ 'singleString': 'a\\ud801\\udc01b' }", JsonFormatter.D efault.Format(message));
217 }
218
219 [Test]
220 public void InvalidSurrogatePairsFail()
221 {
222 // Note: don't use TestCase for these, as the strings can't be relia bly represented
223 // See http://codeblog.jonskeet.uk/2014/11/07/when-is-a-string-not-a -string/
224
225 // Lone low surrogate
226 var message = new TestAllTypes { SingleString = "a\uDC01b" };
227 Assert.Throws<ArgumentException>(() => JsonFormatter.Default.Format( message));
228
229 // Lone high surrogate
230 message = new TestAllTypes { SingleString = "a\uD801b" };
231 Assert.Throws<ArgumentException>(() => JsonFormatter.Default.Format( message));
232 }
233
234 [Test]
235 [TestCase("foo_bar", "fooBar")]
236 [TestCase("bananaBanana", "bananaBanana")]
237 [TestCase("BANANABanana", "bananaBanana")]
238 public void ToCamelCase(string original, string expected)
239 {
240 Assert.AreEqual(expected, JsonFormatter.ToCamelCase(original));
241 }
242
243 [Test]
244 [TestCase(null, "{ }")]
245 [TestCase("x", "{ 'fooString': 'x' }")]
246 [TestCase("", "{ 'fooString': '' }")]
247 [TestCase(null, "{ }")]
248 public void Oneof(string fooStringValue, string expectedJson)
249 {
250 var message = new TestOneof();
251 if (fooStringValue != null)
252 {
253 message.FooString = fooStringValue;
254 }
255
256 // We should get the same result both with and without "format defau lt values".
257 var formatter = new JsonFormatter(new JsonFormatter.Settings(false)) ;
258 AssertJson(expectedJson, formatter.Format(message));
259 formatter = new JsonFormatter(new JsonFormatter.Settings(true));
260 AssertJson(expectedJson, formatter.Format(message));
261 }
262
263 [Test]
264 public void WrapperFormatting_Single()
265 {
266 // Just a few examples, handling both classes and value types, and
267 // default vs non-default values
268 var message = new TestWellKnownTypes
269 {
270 Int64Field = 10,
271 Int32Field = 0,
272 BytesField = ByteString.FromBase64("ABCD"),
273 StringField = ""
274 };
275 var expectedJson = "{ 'int64Field': '10', 'int32Field': 0, 'stringFi eld': '', 'bytesField': 'ABCD' }";
276 AssertJson(expectedJson, JsonFormatter.Default.Format(message));
277 }
278
279 [Test]
280 public void WrapperFormatting_IncludeNull()
281 {
282 // The actual JSON here is very large because there are lots of fiel ds. Just test a couple of them.
283 var message = new TestWellKnownTypes { Int32Field = 10 };
284 var formatter = new JsonFormatter(new JsonFormatter.Settings(true));
285 var actualJson = formatter.Format(message);
286 Assert.IsTrue(actualJson.Contains("\"int64Field\": null"));
287 Assert.IsFalse(actualJson.Contains("\"int32Field\": null"));
288 }
289
290 [Test]
291 public void OutputIsInNumericFieldOrder_NoDefaults()
292 {
293 var formatter = new JsonFormatter(new JsonFormatter.Settings(false)) ;
294 var message = new TestJsonFieldOrdering { PlainString = "p1", PlainI nt32 = 2 };
295 AssertJson("{ 'plainString': 'p1', 'plainInt32': 2 }", formatter.For mat(message));
296 message = new TestJsonFieldOrdering { O1Int32 = 5, O2String = "o2", PlainInt32 = 10, PlainString = "plain" };
297 AssertJson("{ 'plainString': 'plain', 'o2String': 'o2', 'plainInt32' : 10, 'o1Int32': 5 }", formatter.Format(message));
298 message = new TestJsonFieldOrdering { O1String = "", O2Int32 = 0, Pl ainInt32 = 10, PlainString = "plain" };
299 AssertJson("{ 'plainString': 'plain', 'o1String': '', 'plainInt32': 10, 'o2Int32': 0 }", formatter.Format(message));
300 }
301
302 [Test]
303 public void OutputIsInNumericFieldOrder_WithDefaults()
304 {
305 var formatter = new JsonFormatter(new JsonFormatter.Settings(true));
306 var message = new TestJsonFieldOrdering();
307 AssertJson("{ 'plainString': '', 'plainInt32': 0 }", formatter.Forma t(message));
308 message = new TestJsonFieldOrdering { O1Int32 = 5, O2String = "o2", PlainInt32 = 10, PlainString = "plain" };
309 AssertJson("{ 'plainString': 'plain', 'o2String': 'o2', 'plainInt32' : 10, 'o1Int32': 5 }", formatter.Format(message));
310 message = new TestJsonFieldOrdering { O1String = "", O2Int32 = 0, Pl ainInt32 = 10, PlainString = "plain" };
311 AssertJson("{ 'plainString': 'plain', 'o1String': '', 'plainInt32': 10, 'o2Int32': 0 }", formatter.Format(message));
312 }
313
314 [Test]
315 public void TimestampStandalone()
316 {
317 Assert.AreEqual("1970-01-01T00:00:00Z", new Timestamp().ToString());
318 Assert.AreEqual("1970-01-01T00:00:00.100Z", new Timestamp { Nanos = 100000000 }.ToString());
319 Assert.AreEqual("1970-01-01T00:00:00.120Z", new Timestamp { Nanos = 120000000 }.ToString());
320 Assert.AreEqual("1970-01-01T00:00:00.123Z", new Timestamp { Nanos = 123000000 }.ToString());
321 Assert.AreEqual("1970-01-01T00:00:00.123400Z", new Timestamp { Nanos = 123400000 }.ToString());
322 Assert.AreEqual("1970-01-01T00:00:00.123450Z", new Timestamp { Nanos = 123450000 }.ToString());
323 Assert.AreEqual("1970-01-01T00:00:00.123456Z", new Timestamp { Nanos = 123456000 }.ToString());
324 Assert.AreEqual("1970-01-01T00:00:00.123456700Z", new Timestamp { Na nos = 123456700 }.ToString());
325 Assert.AreEqual("1970-01-01T00:00:00.123456780Z", new Timestamp { Na nos = 123456780 }.ToString());
326 Assert.AreEqual("1970-01-01T00:00:00.123456789Z", new Timestamp { Na nos = 123456789 }.ToString());
327
328 // One before and one after the Unix epoch
329 Assert.AreEqual("1673-06-19T12:34:56Z",
330 new DateTime(1673, 6, 19, 12, 34, 56, DateTimeKind.Utc).ToTimest amp().ToString());
331 Assert.AreEqual("2015-07-31T10:29:34Z",
332 new DateTime(2015, 7, 31, 10, 29, 34, DateTimeKind.Utc).ToTimest amp().ToString());
333 }
334
335 [Test]
336 public void TimestampField()
337 {
338 var message = new TestWellKnownTypes { TimestampField = new Timestam p() };
339 AssertJson("{ 'timestampField': '1970-01-01T00:00:00Z' }", JsonForma tter.Default.Format(message));
340 }
341
342 [Test]
343 [TestCase(0, 0, "0s")]
344 [TestCase(1, 0, "1s")]
345 [TestCase(-1, 0, "-1s")]
346 [TestCase(0, 100000000, "0.100s")]
347 [TestCase(0, 120000000, "0.120s")]
348 [TestCase(0, 123000000, "0.123s")]
349 [TestCase(0, 123400000, "0.123400s")]
350 [TestCase(0, 123450000, "0.123450s")]
351 [TestCase(0, 123456000, "0.123456s")]
352 [TestCase(0, 123456700, "0.123456700s")]
353 [TestCase(0, 123456780, "0.123456780s")]
354 [TestCase(0, 123456789, "0.123456789s")]
355 [TestCase(0, -100000000, "-0.100s")]
356 [TestCase(1, 100000000, "1.100s")]
357 [TestCase(-1, -100000000, "-1.100s")]
358 // Non-normalized examples
359 [TestCase(1, 2123456789, "3.123456789s")]
360 [TestCase(1, -100000000, "0.900s")]
361 public void DurationStandalone(long seconds, int nanoseconds, string exp ected)
362 {
363 Assert.AreEqual(expected, new Duration { Seconds = seconds, Nanos = nanoseconds }.ToString());
364 }
365
366 [Test]
367 public void DurationField()
368 {
369 var message = new TestWellKnownTypes { DurationField = new Duration( ) };
370 AssertJson("{ 'durationField': '0s' }", JsonFormatter.Default.Format (message));
371 }
372
373 [Test]
374 public void StructSample()
375 {
376 var message = new Struct
377 {
378 Fields =
379 {
380 { "a", new Value { NullValue = new NullValue() } },
381 { "b", new Value { BoolValue = false } },
382 { "c", new Value { NumberValue = 10.5 } },
383 { "d", new Value { StringValue = "text" } },
384 { "e", new Value { ListValue = new ListValue { Values = { ne w Value { StringValue = "t1" }, new Value { NumberValue = 5 } } } } },
385 { "f", new Value { StructValue = new Struct { Fields = { { " nested", new Value { StringValue = "value" } } } } } }
386 }
387 };
388 AssertJson("{ 'a': null, 'b': false, 'c': 10.5, 'd': 'text', 'e': [ 't1', 5 ], 'f': { 'nested': 'value' } }", message.ToString());
389 }
390
391 [Test]
392 public void FieldMaskStandalone()
393 {
394 var fieldMask = new FieldMask { Paths = { "", "single", "with_unders core", "nested.field.name", "nested..double_dot" } };
395 Assert.AreEqual(",single,withUnderscore,nested.field.name,nested..do ubleDot", fieldMask.ToString());
396
397 // Invalid, but we shouldn't create broken JSON...
398 fieldMask = new FieldMask { Paths = { "x\\y" } };
399 Assert.AreEqual(@"x\\y", fieldMask.ToString());
400 }
401
402 [Test]
403 public void FieldMaskField()
404 {
405 var message = new TestWellKnownTypes { FieldMaskField = new FieldMas k { Paths = { "user.display_name", "photo" } } };
406 AssertJson("{ 'fieldMaskField': 'user.displayName,photo' }", JsonFor matter.Default.Format(message));
407 }
408
409 /// <summary>
410 /// Checks that the actual JSON is the same as the expected JSON - but a fter replacing
411 /// all apostrophes in the expected JSON with double quotes. This basica lly makes the tests easier
412 /// to read.
413 /// </summary>
414 private static void AssertJson(string expectedJsonWithApostrophes, strin g actualJson)
415 {
416 var expectedJson = expectedJsonWithApostrophes.Replace("'", "\"");
417 Assert.AreEqual(expectedJson, actualJson);
418 }
419 }
420 }
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