First cut at new layout

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);
+      }
+    }
+  }
+}