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#region Copyright notice and license
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Google.Protobuf.TestProtos;
using NUnit.Framework;
namespace Google.Protobuf
{
public class JsonFormatterTest
{
[Test]
public void DefaultValues_WhenOmitted()
{
var formatter = new JsonFormatter(new JsonFormatter.Settings(formatDefaultValues: false));
Assert.AreEqual("{ }", formatter.Format(new ForeignMessage()));
Assert.AreEqual("{ }", formatter.Format(new TestAllTypes()));
Assert.AreEqual("{ }", formatter.Format(new TestMap()));
}
[Test]
public void DefaultValues_WhenIncluded()
{
var formatter = new JsonFormatter(new JsonFormatter.Settings(formatDefaultValues: true));
Assert.AreEqual("{ \"c\": 0 }", formatter.Format(new ForeignMessage()));
}
[Test]
public void AllSingleFields()
{
var message = new TestAllTypes
{
SingleBool = true,
SingleBytes = ByteString.CopyFrom(1, 2, 3, 4),
SingleDouble = 23.5,
SingleFixed32 = 23,
SingleFixed64 = 1234567890123,
SingleFloat = 12.25f,
SingleForeignEnum = ForeignEnum.FOREIGN_BAR,
SingleForeignMessage = new ForeignMessage { C = 10 },
SingleImportEnum = ImportEnum.IMPORT_BAZ,
SingleImportMessage = new ImportMessage { D = 20 },
SingleInt32 = 100,
SingleInt64 = 3210987654321,
SingleNestedEnum = TestAllTypes.Types.NestedEnum.FOO,
SingleNestedMessage = new TestAllTypes.Types.NestedMessage { Bb = 35 },
SinglePublicImportMessage = new PublicImportMessage { E = 54 },
SingleSfixed32 = -123,
SingleSfixed64 = -12345678901234,
SingleSint32 = -456,
SingleSint64 = -12345678901235,
SingleString = "test\twith\ttabs",
SingleUint32 = uint.MaxValue,
SingleUint64 = ulong.MaxValue,
};
var actualText = JsonFormatter.Default.Format(message);
// Fields in declaration order, which matches numeric order.
var expectedText = "{ " +
"\"singleInt32\": 100, " +
"\"singleInt64\": \"3210987654321\", " +
"\"singleUint32\": 4294967295, " +
"\"singleUint64\": \"18446744073709551615\", " +
"\"singleSint32\": -456, " +
"\"singleSint64\": \"-12345678901235\", " +
"\"singleFixed32\": 23, " +
"\"singleFixed64\": \"1234567890123\", " +
"\"singleSfixed32\": -123, " +
"\"singleSfixed64\": \"-12345678901234\", " +
"\"singleFloat\": 12.25, " +
"\"singleDouble\": 23.5, " +
"\"singleBool\": true, " +
"\"singleString\": \"test\\twith\\ttabs\", " +
"\"singleBytes\": \"AQIDBA==\", " +
"\"singleNestedMessage\": { \"bb\": 35 }, " +
"\"singleForeignMessage\": { \"c\": 10 }, " +
"\"singleImportMessage\": { \"d\": 20 }, " +
"\"singleNestedEnum\": \"FOO\", " +
"\"singleForeignEnum\": \"FOREIGN_BAR\", " +
"\"singleImportEnum\": \"IMPORT_BAZ\", " +
"\"singlePublicImportMessage\": { \"e\": 54 }" +
" }";
Assert.AreEqual(expectedText, actualText);
}
[Test]
public void RepeatedField()
{
Assert.AreEqual("{ \"repeatedInt32\": [ 1, 2, 3, 4, 5 ] }",
JsonFormatter.Default.Format(new TestAllTypes { RepeatedInt32 = { 1, 2, 3, 4, 5 } }));
}
[Test]
public void MapField_StringString()
{
Assert.AreEqual("{ \"mapStringString\": { \"with spaces\": \"bar\", \"a\": \"b\" } }",
JsonFormatter.Default.Format(new TestMap { MapStringString = { { "with spaces", "bar" }, { "a", "b" } } }));
}
[Test]
public void MapField_Int32Int32()
{
// The keys are quoted, but the values aren't.
Assert.AreEqual("{ \"mapInt32Int32\": { \"0\": 1, \"2\": 3 } }",
JsonFormatter.Default.Format(new TestMap { MapInt32Int32 = { { 0, 1 }, { 2, 3 } } }));
}
[Test]
public void MapField_BoolBool()
{
// The keys are quoted, but the values aren't.
Assert.AreEqual("{ \"mapBoolBool\": { \"false\": true, \"true\": false } }",
JsonFormatter.Default.Format(new TestMap { MapBoolBool = { { false, true }, { true, false } } }));
}
[TestCase(1.0, "1")]
[TestCase(double.NaN, "\"NaN\"")]
[TestCase(double.PositiveInfinity, "\"Infinity\"")]
[TestCase(double.NegativeInfinity, "\"-Infinity\"")]
public void DoubleRepresentations(double value, string expectedValueText)
{
var message = new TestAllTypes { SingleDouble = value };
string actualText = JsonFormatter.Default.Format(message);
string expectedText = "{ \"singleDouble\": " + expectedValueText + " }";
Assert.AreEqual(expectedText, actualText);
}
[Test]
public void UnknownEnumValueOmitted_SingleField()
{
var message = new TestAllTypes { SingleForeignEnum = (ForeignEnum) 100 };
Assert.AreEqual("{ }", JsonFormatter.Default.Format(message));
}
[Test]
public void UnknownEnumValueOmitted_RepeatedField()
{
var message = new TestAllTypes { RepeatedForeignEnum = { ForeignEnum.FOREIGN_BAZ, (ForeignEnum) 100, ForeignEnum.FOREIGN_FOO } };
Assert.AreEqual("{ \"repeatedForeignEnum\": [ \"FOREIGN_BAZ\", \"FOREIGN_FOO\" ] }", JsonFormatter.Default.Format(message));
}
[Test]
public void UnknownEnumValueOmitted_MapField()
{
// This matches the C++ behaviour.
var message = new TestMap { MapInt32Enum = { { 1, MapEnum.MAP_ENUM_FOO }, { 2, (MapEnum) 100 }, { 3, MapEnum.MAP_ENUM_BAR } } };
Assert.AreEqual("{ \"mapInt32Enum\": { \"1\": \"MAP_ENUM_FOO\", \"3\": \"MAP_ENUM_BAR\" } }", JsonFormatter.Default.Format(message));
}
[Test]
public void UnknownEnumValueOmitted_RepeatedField_AllEntriesUnknown()
{
// *Maybe* we should hold off on writing the "[" until we find that we've got at least one value to write...
// but this is what happens at the moment, and it doesn't seem too awful.
var message = new TestAllTypes { RepeatedForeignEnum = { (ForeignEnum) 200, (ForeignEnum) 100 } };
Assert.AreEqual("{ \"repeatedForeignEnum\": [ ] }", JsonFormatter.Default.Format(message));
}
[Test]
public void NullValueForMessage()
{
var message = new TestMap { MapInt32ForeignMessage = { { 10, null } } };
Assert.AreEqual("{ \"mapInt32ForeignMessage\": { \"10\": null } }", JsonFormatter.Default.Format(message));
}
[Test]
[TestCase("a\u17b4b", "a\\u17b4b")] // Explicit
[TestCase("a\u0601b", "a\\u0601b")] // Ranged
[TestCase("a\u0605b", "a\u0605b")] // Passthrough (note lack of double backslash...)
public void SimpleNonAscii(string text, string encoded)
{
var message = new TestAllTypes { SingleString = text };
Assert.AreEqual("{ \"singleString\": \"" + encoded + "\" }", JsonFormatter.Default.Format(message));
}
[Test]
public void SurrogatePairEscaping()
{
var message = new TestAllTypes { SingleString = "a\uD801\uDC01b" };
Assert.AreEqual("{ \"singleString\": \"a\\ud801\\udc01b\" }", JsonFormatter.Default.Format(message));
}
[Test]
public void InvalidSurrogatePairsFail()
{
// Note: don't use TestCase for these, as the strings can't be reliably represented
// See http://codeblog.jonskeet.uk/2014/11/07/when-is-a-string-not-a-string/
// Lone low surrogate
var message = new TestAllTypes { SingleString = "a\uDC01b" };
Assert.Throws<ArgumentException>(() => JsonFormatter.Default.Format(message));
// Lone high surrogate
message = new TestAllTypes { SingleString = "a\uD801b" };
Assert.Throws<ArgumentException>(() => JsonFormatter.Default.Format(message));
}
[Test]
[TestCase("foo_bar", "fooBar")]
[TestCase("bananaBanana", "bananaBanana")]
[TestCase("BANANABanana", "bananaBanana")]
public void ToCamelCase(string original, string expected)
{
Assert.AreEqual(expected, JsonFormatter.ToCamelCase(original));
}
[Test]
[TestCase(null, "{ }")]
[TestCase("x", "{ \"fooString\": \"x\" }")]
[TestCase("", "{ \"fooString\": \"\" }")]
[TestCase(null, "{ }")]
public void Oneof(string fooStringValue, string expectedJson)
{
var message = new TestOneof();
if (fooStringValue != null)
{
message.FooString = fooStringValue;
}
// We should get the same result both with and without "format default values".
var formatter = new JsonFormatter(new JsonFormatter.Settings(false));
Assert.AreEqual(expectedJson, formatter.Format(message));
formatter = new JsonFormatter(new JsonFormatter.Settings(true));
Assert.AreEqual(expectedJson, formatter.Format(message));
}
}
}
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