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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.
// http://code.google.com/p/protobuf/
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
using System;
using System.Collections.Generic;
using System.Text;
using NUnit.Framework;
using Google.ProtocolBuffers.Descriptors;
using Google.ProtocolBuffers.TestProtos;
namespace Google.ProtocolBuffers {
/// <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>
[TestFixture]
public class DescriptorsTest {
[Test]
public void FileDescriptor() {
FileDescriptor file = UnitTestProtoFile.Descriptor;
Assert.AreEqual("google/protobuf/unittest.proto", file.Name);
Assert.AreEqual("protobuf_unittest", file.Package);
Assert.AreEqual("UnittestProto", file.Options.JavaOuterClassname);
Assert.AreEqual("google/protobuf/unittest.proto", file.Proto.Name);
Assert.AreEqual(1, file.Dependencies.Count);
Assert.AreEqual(UnitTestImportProtoFile.Descriptor, file.Dependencies[0]);
MessageDescriptor messageType = TestAllTypes.Descriptor;
Assert.AreEqual(messageType, file.MessageTypes[0]);
Assert.AreEqual(messageType, file.FindTypeByName<MessageDescriptor>("TestAllTypes"));
Assert.IsNull(file.FindTypeByName<MessageDescriptor>("NoSuchType"));
Assert.IsNull(file.FindTypeByName<MessageDescriptor>("protobuf_unittest.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.IsNull(file.FindTypeByName<EnumDescriptor>("NoSuchType"));
Assert.IsNull(file.FindTypeByName<EnumDescriptor>("protobuf_unittest.ForeignEnum"));
Assert.AreEqual(1, UnitTestImportProtoFile.Descriptor.EnumTypes.Count);
Assert.AreEqual("ImportEnum", UnitTestImportProtoFile.Descriptor.EnumTypes[0].Name);
for (int i = 0; i < file.EnumTypes.Count; i++) {
Assert.AreEqual(i, file.EnumTypes[i].Index);
}
ServiceDescriptor service = TestService.Descriptor;
Assert.AreEqual(service, file.Services[0]);
Assert.AreEqual(service, file.FindTypeByName<ServiceDescriptor>("TestService"));
Assert.IsNull(file.FindTypeByName<ServiceDescriptor>("NoSuchType"));
Assert.IsNull(file.FindTypeByName<ServiceDescriptor>("protobuf_unittest.TestService"));
Assert.AreEqual(0, UnitTestImportProtoFile.Descriptor.Services.Count);
for (int i = 0; i < file.Services.Count; i++) {
Assert.AreEqual(i, file.Services[i].Index);
}
FieldDescriptor extension = UnitTestProtoFile.OptionalInt32Extension.Descriptor;
Assert.AreEqual(extension, file.Extensions[0]);
Assert.AreEqual(extension, file.FindTypeByName<FieldDescriptor>("optional_int32_extension"));
Assert.IsNull(file.FindTypeByName<FieldDescriptor>("no_such_ext"));
Assert.IsNull(file.FindTypeByName<FieldDescriptor>("protobuf_unittest.optional_int32_extension"));
Assert.AreEqual(0, UnitTestImportProtoFile.Descriptor.Extensions.Count);
for (int i = 0; i < file.Extensions.Count; i++) {
Assert.AreEqual(i, file.Extensions[i].Index);
}
}
[Test]
public void MessageDescriptor() {
MessageDescriptor messageType = TestAllTypes.Descriptor;
MessageDescriptor nestedType = TestAllTypes.Types.NestedMessage.Descriptor;
Assert.AreEqual("TestAllTypes", messageType.Name);
Assert.AreEqual("protobuf_unittest.TestAllTypes", messageType.FullName);
Assert.AreEqual(UnitTestProtoFile.Descriptor, messageType.File);
Assert.IsNull(messageType.ContainingType);
Assert.AreEqual(DescriptorProtos.MessageOptions.DefaultInstance, messageType.Options);
Assert.AreEqual("TestAllTypes", messageType.Proto.Name);
Assert.AreEqual("NestedMessage", nestedType.Name);
Assert.AreEqual("protobuf_unittest.TestAllTypes.NestedMessage", nestedType.FullName);
Assert.AreEqual(UnitTestProtoFile.Descriptor, nestedType.File);
Assert.AreEqual(messageType, nestedType.ContainingType);
FieldDescriptor field = messageType.Fields[0];
Assert.AreEqual("optional_int32", field.Name);
Assert.AreEqual(field, messageType.FindDescriptor<FieldDescriptor>("optional_int32"));
Assert.IsNull(messageType.FindDescriptor<FieldDescriptor>("no_such_field"));
Assert.AreEqual(field, messageType.FindFieldByNumber(1));
Assert.IsNull(messageType.FindFieldByNumber(571283));
for (int i = 0; i < messageType.Fields.Count; i++) {
Assert.AreEqual(i, messageType.Fields[i].Index);
}
Assert.AreEqual(nestedType, messageType.NestedTypes[0]);
Assert.AreEqual(nestedType, messageType.FindDescriptor<MessageDescriptor>("NestedMessage"));
Assert.IsNull(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.IsNull(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>("optional_int32");
FieldDescriptor enumField = messageType.FindDescriptor<FieldDescriptor>("optional_nested_enum");
FieldDescriptor messageField = messageType.FindDescriptor<FieldDescriptor>("optional_foreign_message");
FieldDescriptor cordField = messageType.FindDescriptor<FieldDescriptor>("optional_cord");
FieldDescriptor extension = UnitTestProtoFile.OptionalInt32Extension.Descriptor;
FieldDescriptor nestedExtension = TestRequired.Single.Descriptor;
Assert.AreEqual("optional_int32", primitiveField.Name);
Assert.AreEqual("protobuf_unittest.TestAllTypes.optional_int32",
primitiveField.FullName);
Assert.AreEqual(1, primitiveField.FieldNumber);
Assert.AreEqual(messageType, primitiveField.ContainingType);
Assert.AreEqual(UnitTestProtoFile.Descriptor, primitiveField.File);
Assert.AreEqual(FieldType.Int32, primitiveField.FieldType);
Assert.AreEqual(MappedType.Int32, primitiveField.MappedType);
Assert.AreEqual(DescriptorProtos.FieldOptions.DefaultInstance, primitiveField.Options);
Assert.IsFalse(primitiveField.IsExtension);
Assert.AreEqual("optional_int32", primitiveField.Proto.Name);
Assert.AreEqual("optional_nested_enum", enumField.Name);
Assert.AreEqual(FieldType.Enum, enumField.FieldType);
Assert.AreEqual(MappedType.Enum, enumField.MappedType);
// Assert.AreEqual(TestAllTypes.Types.NestedEnum.Descriptor, enumField.EnumType);
Assert.AreEqual("optional_foreign_message", messageField.Name);
Assert.AreEqual(FieldType.Message, messageField.FieldType);
Assert.AreEqual(MappedType.Message, messageField.MappedType);
Assert.AreEqual(ForeignMessage.Descriptor, messageField.MessageType);
Assert.AreEqual("optional_cord", cordField.Name);
Assert.AreEqual(FieldType.String, cordField.FieldType);
Assert.AreEqual(MappedType.String, cordField.MappedType);
Assert.AreEqual(DescriptorProtos.FieldOptions.Types.CType.CORD, cordField.Options.Ctype);
Assert.AreEqual("optional_int32_extension", extension.Name);
Assert.AreEqual("protobuf_unittest.optional_int32_extension", extension.FullName);
Assert.AreEqual(1, extension.FieldNumber);
Assert.AreEqual(TestAllExtensions.Descriptor, extension.ContainingType);
Assert.AreEqual(UnitTestProtoFile.Descriptor, extension.File);
Assert.AreEqual(FieldType.Int32, extension.FieldType);
Assert.AreEqual(MappedType.Int32, extension.MappedType);
Assert.AreEqual(DescriptorProtos.FieldOptions.DefaultInstance,
extension.Options);
Assert.IsTrue(extension.IsExtension);
Assert.AreEqual(null, extension.ExtensionScope);
Assert.AreEqual("optional_int32_extension", extension.Proto.Name);
Assert.AreEqual("single", nestedExtension.Name);
Assert.AreEqual("protobuf_unittest.TestRequired.single",
nestedExtension.FullName);
Assert.AreEqual(TestRequired.Descriptor,
nestedExtension.ExtensionScope);
}
[Test]
public void FieldDescriptorLabel() {
FieldDescriptor requiredField =
TestRequired.Descriptor.FindDescriptor<FieldDescriptor>("a");
FieldDescriptor optionalField =
TestAllTypes.Descriptor.FindDescriptor<FieldDescriptor>("optional_int32");
FieldDescriptor repeatedField =
TestAllTypes.Descriptor.FindDescriptor<FieldDescriptor>("repeated_int32");
Assert.IsTrue(requiredField.IsRequired);
Assert.IsFalse(requiredField.IsRepeated);
Assert.IsFalse(optionalField.IsRequired);
Assert.IsFalse(optionalField.IsRepeated);
Assert.IsFalse(repeatedField.IsRequired);
Assert.IsTrue(repeatedField.IsRepeated);
}
[Test]
public void FieldDescriptorDefault() {
MessageDescriptor d = TestAllTypes.Descriptor;
Assert.IsFalse(d.FindDescriptor<FieldDescriptor>("optional_int32").HasDefaultValue);
Assert.AreEqual(0, d.FindDescriptor<FieldDescriptor>("optional_int32").DefaultValue);
Assert.IsTrue(d.FindDescriptor<FieldDescriptor>("default_int32").HasDefaultValue);
Assert.AreEqual(41, d.FindDescriptor<FieldDescriptor>("default_int32").DefaultValue);
d = TestExtremeDefaultValues.Descriptor;
Assert.AreEqual(ByteString.CopyFrom("\u0000\u0001\u0007\b\f\n\r\t\u000b\\\'\"\u00fe", Encoding.GetEncoding(28591)),
d.FindDescriptor<FieldDescriptor>("escaped_bytes").DefaultValue);
Assert.AreEqual(uint.MaxValue, d.FindDescriptor<FieldDescriptor>("large_uint32").DefaultValue);
Assert.AreEqual(ulong.MaxValue, d.FindDescriptor<FieldDescriptor>("large_uint64").DefaultValue);
}
[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 = UnitTestProtoFile.Descriptor.FindTypeByName<EnumDescriptor>("ForeignEnum");
EnumDescriptor nestedType = TestAllTypes.Descriptor.FindDescriptor<EnumDescriptor>("NestedEnum");
Assert.AreEqual("ForeignEnum", enumType.Name);
Assert.AreEqual("protobuf_unittest.ForeignEnum", enumType.FullName);
Assert.AreEqual(UnitTestProtoFile.Descriptor, enumType.File);
Assert.IsNull(enumType.ContainingType);
Assert.AreEqual(DescriptorProtos.EnumOptions.DefaultInstance,
enumType.Options);
Assert.AreEqual("NestedEnum", nestedType.Name);
Assert.AreEqual("protobuf_unittest.TestAllTypes.NestedEnum",
nestedType.FullName);
Assert.AreEqual(UnitTestProtoFile.Descriptor, nestedType.File);
Assert.AreEqual(TestAllTypes.Descriptor, nestedType.ContainingType);
EnumValueDescriptor value = enumType.FindValueByName("FOREIGN_FOO");
Assert.AreEqual(value, enumType.Values[0]);
Assert.AreEqual("FOREIGN_FOO", value.Name);
Assert.AreEqual(4, value.Number);
Assert.AreEqual((int) ForeignEnum.FOREIGN_FOO, value.Number);
Assert.AreEqual(value, enumType.FindValueByNumber(4));
Assert.IsNull(enumType.FindValueByName("NO_SUCH_VALUE"));
for (int i = 0; i < enumType.Values.Count; i++) {
Assert.AreEqual(i, enumType.Values[i].Index);
}
}
[Test]
public void ServiceDescriptor() {
ServiceDescriptor service = TestService.Descriptor;
Assert.AreEqual("TestService", service.Name);
Assert.AreEqual("protobuf_unittest.TestService", service.FullName);
Assert.AreEqual(UnitTestProtoFile.Descriptor, service.File);
Assert.AreEqual(2, service.Methods.Count);
MethodDescriptor fooMethod = service.Methods[0];
Assert.AreEqual("Foo", fooMethod.Name);
Assert.AreEqual(FooRequest.Descriptor, fooMethod.InputType);
Assert.AreEqual(FooResponse.Descriptor, fooMethod.OutputType);
Assert.AreEqual(fooMethod, service.FindMethodByName("Foo"));
MethodDescriptor barMethod = service.Methods[1];
Assert.AreEqual("Bar", barMethod.Name);
Assert.AreEqual(BarRequest.Descriptor, barMethod.InputType);
Assert.AreEqual(BarResponse.Descriptor, barMethod.OutputType);
Assert.AreEqual(barMethod, service.FindMethodByName("Bar"));
Assert.IsNull(service.FindMethodByName("NoSuchMethod"));
for (int i = 0; i < service.Methods.Count; i++) {
Assert.AreEqual(i, service.Methods[i].Index);
}
}
}
}
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