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#region Copyright notice and license
// Protocol Buffers - Google's data interchange format
// Copyright 2017 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// 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,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion
using Google.Protobuf.Reflection;
using NUnit.Framework;
using System;
using System.Linq;
using UnitTest.Issues.TestProtos;
using static UnitTest.Issues.TestProtos.ComplexOptionType2.Types;
using static UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Extensions;
using static UnitTest.Issues.TestProtos.DummyMessageContainingEnum.Types;
using Google.Protobuf.TestProtos;
#pragma warning disable CS0618
namespace Google.Protobuf.Test.Reflection
{
/// <summary>
/// The majority of the testing here is done via parsed descriptors. That's simpler to
/// achieve (and more important) than constructing a CodedInputStream manually.
/// </summary>
public class CustomOptionsTest
{
delegate bool OptionFetcher<T>(int field, out T value);
OptionFetcher<E> EnumFetcher<E>(CustomOptions options)
{
return (int i, out E v) => {
if (options.TryGetInt32(i, out int value))
{
v = (E)(object)value;
return true;
}
else
{
v = default;
return false;
}
};
}
[Test]
public void BuiltinOptionsCanBeRetrieved()
{
// non-custom options (that are not extensions but regular fields) can only be accessed via descriptor.Options
var fileOptions = UnittestProto3Reflection.Descriptor.GetOptions();
Assert.AreEqual("Google.Protobuf.TestProtos", fileOptions.CsharpNamespace);
}
[Test]
public void OptionPresenceCanBeDetected()
{
// case 1: the descriptor has no options at all so the options message is not present
Assert.IsNull(TestAllTypes.Descriptor.GetOptions());
// case 2: the descriptor has some options, but not the one we're looking for
// HasExtension will be false and GetExtension returns extension's default value
Assert.IsFalse(UnittestProto3Reflection.Descriptor.GetOptions().HasExtension(FileOpt1));
Assert.AreEqual(0, UnittestProto3Reflection.Descriptor.GetOptions().GetExtension(FileOpt1));
// case 3: option is present
Assert.IsTrue(UnittestCustomOptionsProto3Reflection.Descriptor.GetOptions().HasExtension(FileOpt1));
Assert.AreEqual(9876543210UL, UnittestCustomOptionsProto3Reflection.Descriptor.GetOptions().GetExtension(FileOpt1));
}
[Test]
public void ScalarOptions()
{
var d = CustomOptionOtherValues.Descriptor;
var customOptions = d.CustomOptions;
AssertOption(-100, customOptions.TryGetInt32, Int32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(12.3456789f, customOptions.TryGetFloat, FloatOpt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(1.234567890123456789d, customOptions.TryGetDouble, DoubleOpt, d.GetOption, d.GetOptions().GetExtension);
AssertOption("Hello, \"World\"", customOptions.TryGetString, StringOpt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(ByteString.CopyFromUtf8("Hello\0World"), customOptions.TryGetBytes, BytesOpt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(TestEnumType.TestOptionEnumType2, EnumFetcher<TestEnumType>(customOptions), EnumOpt, d.GetOption, d.GetOptions().GetExtension);
}
[Test]
public void MessageOptions()
{
var d = VariousComplexOptions.Descriptor;
var customOptions = d.CustomOptions;
AssertOption(new ComplexOptionType1 { Foo = 42, Foo4 = { 99, 88 } }, customOptions.TryGetMessage, ComplexOpt1, d.GetOption, d.GetOptions().GetExtension);
AssertOption(new ComplexOptionType2
{
Baz = 987,
Bar = new ComplexOptionType1 { Foo = 743 },
Fred = new ComplexOptionType4 { Waldo = 321 },
Barney = { new ComplexOptionType4 { Waldo = 101 }, new ComplexOptionType4 { Waldo = 212 } }
},
customOptions.TryGetMessage, ComplexOpt2, d.GetOption, d.GetOptions().GetExtension);
AssertOption(new ComplexOptionType3 { Qux = 9 }, customOptions.TryGetMessage, ComplexOpt3, d.GetOption, d.GetOptions().GetExtension);
}
[Test]
public void OptionLocations()
{
var fileDescriptor = UnittestCustomOptionsProto3Reflection.Descriptor;
AssertOption(9876543210UL, fileDescriptor.CustomOptions.TryGetUInt64, FileOpt1, fileDescriptor.GetOption, fileDescriptor.GetOptions().GetExtension);
var messageDescriptor = TestMessageWithCustomOptions.Descriptor;
AssertOption(-56, messageDescriptor.CustomOptions.TryGetInt32, MessageOpt1, messageDescriptor.GetOption, messageDescriptor.GetOptions().GetExtension);
var fieldDescriptor = TestMessageWithCustomOptions.Descriptor.Fields["field1"];
AssertOption(8765432109UL, fieldDescriptor.CustomOptions.TryGetFixed64, FieldOpt1, fieldDescriptor.GetOption, fieldDescriptor.GetOptions().GetExtension);
var oneofDescriptor = TestMessageWithCustomOptions.Descriptor.Oneofs[0];
AssertOption(-99, oneofDescriptor.CustomOptions.TryGetInt32, OneofOpt1, oneofDescriptor.GetOption, oneofDescriptor.GetOptions().GetExtension);
var enumDescriptor = TestMessageWithCustomOptions.Descriptor.EnumTypes[0];
AssertOption(-789, enumDescriptor.CustomOptions.TryGetSFixed32, EnumOpt1, enumDescriptor.GetOption, enumDescriptor.GetOptions().GetExtension);
var enumValueDescriptor = TestMessageWithCustomOptions.Descriptor.EnumTypes[0].FindValueByNumber(2);
AssertOption(123, enumValueDescriptor.CustomOptions.TryGetInt32, EnumValueOpt1, enumValueDescriptor.GetOption, enumValueDescriptor.GetOptions().GetExtension);
var serviceDescriptor = UnittestCustomOptionsProto3Reflection.Descriptor.Services
.Single(s => s.Name == "TestServiceWithCustomOptions");
AssertOption(-9876543210, serviceDescriptor.CustomOptions.TryGetSInt64, ServiceOpt1, serviceDescriptor.GetOption, serviceDescriptor.GetOptions().GetExtension);
var methodDescriptor = serviceDescriptor.Methods[0];
AssertOption(UnitTest.Issues.TestProtos.MethodOpt1.Val2, EnumFetcher<UnitTest.Issues.TestProtos.MethodOpt1>(methodDescriptor.CustomOptions), UnittestCustomOptionsProto3Extensions.MethodOpt1, methodDescriptor.GetOption, methodDescriptor.GetOptions().GetExtension);
}
[Test]
public void MinValues()
{
var d = CustomOptionMinIntegerValues.Descriptor;
var customOptions = d.CustomOptions;
AssertOption(false, customOptions.TryGetBool, BoolOpt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(int.MinValue, customOptions.TryGetInt32, Int32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(long.MinValue, customOptions.TryGetInt64, Int64Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(uint.MinValue, customOptions.TryGetUInt32, Uint32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(ulong.MinValue, customOptions.TryGetUInt64, Uint64Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(int.MinValue, customOptions.TryGetSInt32, Sint32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(long.MinValue, customOptions.TryGetSInt64, Sint64Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(uint.MinValue, customOptions.TryGetUInt32, Fixed32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(ulong.MinValue, customOptions.TryGetUInt64, Fixed64Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(int.MinValue, customOptions.TryGetInt32, Sfixed32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(long.MinValue, customOptions.TryGetInt64, Sfixed64Opt, d.GetOption, d.GetOptions().GetExtension);
}
[Test]
public void MaxValues()
{
var d = CustomOptionMaxIntegerValues.Descriptor;
var customOptions = d.CustomOptions;
AssertOption(true, customOptions.TryGetBool, BoolOpt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(int.MaxValue, customOptions.TryGetInt32, Int32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(long.MaxValue, customOptions.TryGetInt64, Int64Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(uint.MaxValue, customOptions.TryGetUInt32, Uint32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(ulong.MaxValue, customOptions.TryGetUInt64, Uint64Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(int.MaxValue, customOptions.TryGetSInt32, Sint32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(long.MaxValue, customOptions.TryGetSInt64, Sint64Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(uint.MaxValue, customOptions.TryGetFixed32, Fixed32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(ulong.MaxValue, customOptions.TryGetFixed64, Fixed64Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(int.MaxValue, customOptions.TryGetSFixed32, Sfixed32Opt, d.GetOption, d.GetOptions().GetExtension);
AssertOption(long.MaxValue, customOptions.TryGetSFixed64, Sfixed64Opt, d.GetOption, d.GetOptions().GetExtension);
}
[Test]
public void AggregateOptions()
{
// Just two examples
var messageDescriptor = AggregateMessage.Descriptor;
AssertOption(new Aggregate { I = 101, S = "MessageAnnotation" }, messageDescriptor.CustomOptions.TryGetMessage, Msgopt, messageDescriptor.GetOption, messageDescriptor.GetOptions().GetExtension);
var fieldDescriptor = messageDescriptor.Fields["fieldname"];
AssertOption(new Aggregate { S = "FieldAnnotation" }, fieldDescriptor.CustomOptions.TryGetMessage, Fieldopt, fieldDescriptor.GetOption, fieldDescriptor.GetOptions().GetExtension);
}
[Test]
public void NoOptions()
{
var fileDescriptor = UnittestProto3Reflection.Descriptor;
var messageDescriptor = TestAllTypes.Descriptor;
Assert.NotNull(fileDescriptor.CustomOptions);
Assert.NotNull(messageDescriptor.CustomOptions);
Assert.NotNull(messageDescriptor.Fields[1].CustomOptions);
Assert.NotNull(fileDescriptor.Services[0].CustomOptions);
Assert.NotNull(fileDescriptor.Services[0].Methods[0].CustomOptions);
Assert.NotNull(fileDescriptor.EnumTypes[0].CustomOptions);
Assert.NotNull(fileDescriptor.EnumTypes[0].Values[0].CustomOptions);
Assert.NotNull(TestAllTypes.Descriptor.Oneofs[0].CustomOptions);
}
[Test]
public void MultipleImportOfSameFileWithExtension()
{
var descriptor = UnittestIssue6936CReflection.Descriptor;
var foo = Foo.Descriptor;
var bar = Bar.Descriptor;
AssertOption("foo", foo.CustomOptions.TryGetString, UnittestIssue6936AExtensions.Opt, foo.GetOption, foo.GetOptions().GetExtension);
AssertOption("bar", bar.CustomOptions.TryGetString, UnittestIssue6936AExtensions.Opt, bar.GetOption, bar.GetOptions().GetExtension);
}
[Test]
public void SelfReferentialOptions()
{
// Custom field option used in definition of the custom option's message.
var fooField = UnitTest.Issues.TestProtos.SelfreferentialOptions.FooOptions.Descriptor.FindFieldByName("foo");
var fooFieldFooExtensionValue = fooField.GetOptions().GetExtension(UnitTest.Issues.TestProtos.SelfreferentialOptions.UnittestSelfreferentialOptionsExtensions.FooOptions);
Assert.AreEqual(1234, fooFieldFooExtensionValue.Foo);
// Custom field option used on the definition of that field option.
var fileDescriptor = UnitTest.Issues.TestProtos.SelfreferentialOptions.UnittestSelfreferentialOptionsReflection.Descriptor;
var barOptionsField = fileDescriptor.Extensions.UnorderedExtensions.Single(field => field.Name == "bar_options");
var barExtensionValue = barOptionsField.GetOptions().GetExtension(UnitTest.Issues.TestProtos.SelfreferentialOptions.UnittestSelfreferentialOptionsExtensions.BarOptions);
Assert.AreEqual(1234, barExtensionValue);
// Custom field option used in definition of the extension message.
var intOptField = UnitTest.Issues.TestProtos.SelfreferentialOptions.FooOptions.Descriptor.FindFieldByName("int_opt");
var intOptFieldFooExtensionValue = intOptField.GetOptions().GetExtension(UnitTest.Issues.TestProtos.SelfreferentialOptions.UnittestSelfreferentialOptionsExtensions.FooOptions);
Assert.AreEqual(1, intOptFieldFooExtensionValue.IntOpt);
Assert.AreEqual(2, intOptFieldFooExtensionValue.GetExtension(UnitTest.Issues.TestProtos.SelfreferentialOptions.UnittestSelfreferentialOptionsExtensions.FooIntOpt));
Assert.AreEqual(3, intOptFieldFooExtensionValue.GetExtension(UnitTest.Issues.TestProtos.SelfreferentialOptions.UnittestSelfreferentialOptionsExtensions.FooFooOpt).IntOpt);
}
private void AssertOption<T, D>(T expected, OptionFetcher<T> customOptionFetcher, Extension<D, T> extension, Func<Extension<D, T>, T> getOptionFetcher, Func<Extension<D, T>, T> extensionFetcher) where D : IExtendableMessage<D>
{
Assert.IsTrue(customOptionFetcher(extension.FieldNumber, out T customOptionsValue));
Assert.AreEqual(expected, customOptionsValue);
T getOptionValue = getOptionFetcher(extension);
Assert.AreEqual(expected, getOptionValue);
T extensionValue = extensionFetcher(extension);
Assert.AreEqual(expected, extensionValue);
}
}
}