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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.Linq;
using Google.Protobuf.TestProtos;
using NUnit.Framework;
using UnitTest.Issues.TestProtos;
namespace Google.Protobuf.Reflection
{
/// <summary>
/// Tests for descriptors. (Not in its own namespace or broken up into individual classes as the
/// size doesn't warrant it. On the other hand, this makes me feel a bit dirty...)
/// </summary>
public class DescriptorsTest
{
[Test]
public void FileDescriptor()
{
FileDescriptor file = UnittestProto3Reflection.Descriptor;
Assert.AreEqual("unittest_proto3.proto", file.Name);
Assert.AreEqual("protobuf_unittest3", file.Package);
Assert.AreEqual("UnittestProto", file.Proto.Options.JavaOuterClassname);
Assert.AreEqual("unittest_proto3.proto", file.Proto.Name);
// unittest_proto3.proto doesn't have any public imports, but unittest_import_proto3.proto does.
Assert.AreEqual(0, file.PublicDependencies.Count);
Assert.AreEqual(1, UnittestImportProto3Reflection.Descriptor.PublicDependencies.Count);
Assert.AreEqual(UnittestImportPublicProto3Reflection.Descriptor, UnittestImportProto3Reflection.Descriptor.PublicDependencies[0]);
Assert.AreEqual(1, file.Dependencies.Count);
Assert.AreEqual(UnittestImportProto3Reflection.Descriptor, file.Dependencies[0]);
MessageDescriptor messageType = TestAllTypes.Descriptor;
Assert.AreSame(typeof(TestAllTypes), messageType.ClrType);
Assert.AreSame(TestAllTypes.Parser, messageType.Parser);
Assert.AreEqual(messageType, file.MessageTypes[0]);
Assert.AreEqual(messageType, file.FindTypeByName<MessageDescriptor>("TestAllTypes"));
Assert.Null(file.FindTypeByName<MessageDescriptor>("NoSuchType"));
Assert.Null(file.FindTypeByName<MessageDescriptor>("protobuf_unittest3.TestAllTypes"));
for (int i = 0; i < file.MessageTypes.Count; i++)
{
Assert.AreEqual(i, file.MessageTypes[i].Index);
}
Assert.AreEqual(file.EnumTypes[0], file.FindTypeByName<EnumDescriptor>("ForeignEnum"));
Assert.Null(file.FindTypeByName<EnumDescriptor>("NoSuchType"));
Assert.Null(file.FindTypeByName<EnumDescriptor>("protobuf_unittest3.ForeignEnum"));
Assert.AreEqual(1, UnittestImportProto3Reflection.Descriptor.EnumTypes.Count);
Assert.AreEqual("ImportEnum", UnittestImportProto3Reflection.Descriptor.EnumTypes[0].Name);
for (int i = 0; i < file.EnumTypes.Count; i++)
{
Assert.AreEqual(i, file.EnumTypes[i].Index);
}
Assert.AreEqual(10, file.SerializedData[0]);
}
[Test]
public void FileDescriptor_NonRootPath()
{
// unittest_proto3.proto used to be in google/protobuf. Now it's in the C#-specific location,
// let's test something that's still in a directory.
FileDescriptor file = UnittestWellKnownTypesReflection.Descriptor;
Assert.AreEqual("google/protobuf/unittest_well_known_types.proto", file.Name);
Assert.AreEqual("protobuf_unittest", file.Package);
}
[Test]
public void MessageDescriptor()
{
MessageDescriptor messageType = TestAllTypes.Descriptor;
MessageDescriptor nestedType = TestAllTypes.Types.NestedMessage.Descriptor;
Assert.AreEqual("TestAllTypes", messageType.Name);
Assert.AreEqual("protobuf_unittest3.TestAllTypes", messageType.FullName);
Assert.AreEqual(UnittestProto3Reflection.Descriptor, messageType.File);
Assert.IsNull(messageType.ContainingType);
Assert.IsNull(messageType.Proto.Options);
Assert.AreEqual("TestAllTypes", messageType.Name);
Assert.AreEqual("NestedMessage", nestedType.Name);
Assert.AreEqual("protobuf_unittest3.TestAllTypes.NestedMessage", nestedType.FullName);
Assert.AreEqual(UnittestProto3Reflection.Descriptor, nestedType.File);
Assert.AreEqual(messageType, nestedType.ContainingType);
FieldDescriptor field = messageType.Fields.InDeclarationOrder()[0];
Assert.AreEqual("single_int32", field.Name);
Assert.AreEqual(field, messageType.FindDescriptor<FieldDescriptor>("single_int32"));
Assert.Null(messageType.FindDescriptor<FieldDescriptor>("no_such_field"));
Assert.AreEqual(field, messageType.FindFieldByNumber(1));
Assert.Null(messageType.FindFieldByNumber(571283));
var fieldsInDeclarationOrder = messageType.Fields.InDeclarationOrder();
for (int i = 0; i < fieldsInDeclarationOrder.Count; i++)
{
Assert.AreEqual(i, fieldsInDeclarationOrder[i].Index);
}
Assert.AreEqual(nestedType, messageType.NestedTypes[0]);
Assert.AreEqual(nestedType, messageType.FindDescriptor<MessageDescriptor>("NestedMessage"));
Assert.Null(messageType.FindDescriptor<MessageDescriptor>("NoSuchType"));
for (int i = 0; i < messageType.NestedTypes.Count; i++)
{
Assert.AreEqual(i, messageType.NestedTypes[i].Index);
}
Assert.AreEqual(messageType.EnumTypes[0], messageType.FindDescriptor<EnumDescriptor>("NestedEnum"));
Assert.Null(messageType.FindDescriptor<EnumDescriptor>("NoSuchType"));
for (int i = 0; i < messageType.EnumTypes.Count; i++)
{
Assert.AreEqual(i, messageType.EnumTypes[i].Index);
}
}
[Test]
public void FieldDescriptor()
{
MessageDescriptor messageType = TestAllTypes.Descriptor;
FieldDescriptor primitiveField = messageType.FindDescriptor<FieldDescriptor>("single_int32");
FieldDescriptor enumField = messageType.FindDescriptor<FieldDescriptor>("single_nested_enum");
FieldDescriptor messageField = messageType.FindDescriptor<FieldDescriptor>("single_foreign_message");
Assert.AreEqual("single_int32", primitiveField.Name);
Assert.AreEqual("protobuf_unittest3.TestAllTypes.single_int32",
primitiveField.FullName);
Assert.AreEqual(1, primitiveField.FieldNumber);
Assert.AreEqual(messageType, primitiveField.ContainingType);
Assert.AreEqual(UnittestProto3Reflection.Descriptor, primitiveField.File);
Assert.AreEqual(FieldType.Int32, primitiveField.FieldType);
Assert.IsNull(primitiveField.Proto.Options);
Assert.AreEqual("single_nested_enum", enumField.Name);
Assert.AreEqual(FieldType.Enum, enumField.FieldType);
// Assert.AreEqual(TestAllTypes.Types.NestedEnum.DescriptorProtoFile, enumField.EnumType);
Assert.AreEqual("single_foreign_message", messageField.Name);
Assert.AreEqual(FieldType.Message, messageField.FieldType);
Assert.AreEqual(ForeignMessage.Descriptor, messageField.MessageType);
}
[Test]
public void FieldDescriptorLabel()
{
FieldDescriptor singleField =
TestAllTypes.Descriptor.FindDescriptor<FieldDescriptor>("single_int32");
FieldDescriptor repeatedField =
TestAllTypes.Descriptor.FindDescriptor<FieldDescriptor>("repeated_int32");
Assert.IsFalse(singleField.IsRepeated);
Assert.IsTrue(repeatedField.IsRepeated);
}
[Test]
public void EnumDescriptor()
{
// Note: this test is a bit different to the Java version because there's no static way of getting to the descriptor
EnumDescriptor enumType = UnittestProto3Reflection.Descriptor.FindTypeByName<EnumDescriptor>("ForeignEnum");
EnumDescriptor nestedType = TestAllTypes.Descriptor.FindDescriptor<EnumDescriptor>("NestedEnum");
Assert.AreEqual("ForeignEnum", enumType.Name);
Assert.AreEqual("protobuf_unittest3.ForeignEnum", enumType.FullName);
Assert.AreEqual(UnittestProto3Reflection.Descriptor, enumType.File);
Assert.Null(enumType.ContainingType);
Assert.Null(enumType.Proto.Options);
Assert.AreEqual("NestedEnum", nestedType.Name);
Assert.AreEqual("protobuf_unittest3.TestAllTypes.NestedEnum",
nestedType.FullName);
Assert.AreEqual(UnittestProto3Reflection.Descriptor, nestedType.File);
Assert.AreEqual(TestAllTypes.Descriptor, nestedType.ContainingType);
EnumValueDescriptor value = enumType.FindValueByName("FOREIGN_FOO");
Assert.AreEqual(value, enumType.Values[1]);
Assert.AreEqual("FOREIGN_FOO", value.Name);
Assert.AreEqual(4, value.Number);
Assert.AreEqual((int) ForeignEnum.ForeignFoo, value.Number);
Assert.AreEqual(value, enumType.FindValueByNumber(4));
Assert.Null(enumType.FindValueByName("NO_SUCH_VALUE"));
for (int i = 0; i < enumType.Values.Count; i++)
{
Assert.AreEqual(i, enumType.Values[i].Index);
}
}
[Test]
public void OneofDescriptor()
{
OneofDescriptor descriptor = TestAllTypes.Descriptor.FindDescriptor<OneofDescriptor>("oneof_field");
Assert.AreEqual("oneof_field", descriptor.Name);
Assert.AreEqual("protobuf_unittest3.TestAllTypes.oneof_field", descriptor.FullName);
var expectedFields = new[] {
TestAllTypes.OneofBytesFieldNumber,
TestAllTypes.OneofNestedMessageFieldNumber,
TestAllTypes.OneofStringFieldNumber,
TestAllTypes.OneofUint32FieldNumber }
.Select(fieldNumber => TestAllTypes.Descriptor.FindFieldByNumber(fieldNumber))
.ToList();
foreach (var field in expectedFields)
{
Assert.AreSame(descriptor, field.ContainingOneof);
}
CollectionAssert.AreEquivalent(expectedFields, descriptor.Fields);
}
[Test]
public void MapEntryMessageDescriptor()
{
var descriptor = MapWellKnownTypes.Descriptor.NestedTypes[0];
Assert.IsNull(descriptor.Parser);
Assert.IsNull(descriptor.ClrType);
Assert.IsNull(descriptor.Fields[1].Accessor);
}
// From TestFieldOrdering:
// string my_string = 11;
// int64 my_int = 1;
// float my_float = 101;
// NestedMessage single_nested_message = 200;
[Test]
public void FieldListOrderings()
{
var fields = TestFieldOrderings.Descriptor.Fields;
Assert.AreEqual(new[] { 11, 1, 101, 200 }, fields.InDeclarationOrder().Select(x => x.FieldNumber));
Assert.AreEqual(new[] { 1, 11, 101, 200 }, fields.InFieldNumberOrder().Select(x => x.FieldNumber));
}
[Test]
public void DescriptorProtoFileDescriptor()
{
var descriptor = Google.Protobuf.Reflection.FileDescriptor.DescriptorProtoFileDescriptor;
Assert.AreEqual("google/protobuf/descriptor.proto", descriptor.Name);
}
}
}
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