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Diffstat (limited to 'src/ProtocolBuffers.Test/DescriptorsTest.cs')
-rw-r--r-- | src/ProtocolBuffers.Test/DescriptorsTest.cs | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/src/ProtocolBuffers.Test/DescriptorsTest.cs b/src/ProtocolBuffers.Test/DescriptorsTest.cs new file mode 100644 index 00000000..c997e75a --- /dev/null +++ b/src/ProtocolBuffers.Test/DescriptorsTest.cs @@ -0,0 +1,274 @@ +// 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); + +// TODO(jonskeet): Either change to expect 3 dependencies, or don't emit them. +// Assert.AreEqual(1, file.Dependencies.Count); + Assert.AreEqual(UnitTestImportProtoFile.Descriptor, file.Dependencies[2]); + + 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); + } + } + } +} |