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using System;
using System.Collections.Generic;
using System.Text;
using Google.ProtocolBuffers.Descriptors;
using Google.ProtocolBuffers.TestProtos;
using NUnit.Framework;
namespace Google.ProtocolBuffers {
/// <summary>
/// Miscellaneous tests for message operations that apply to both
/// generated and dynamic messages.
/// </summary>
[TestFixture]
public class MessageTest {
// =================================================================
// Message-merging tests.
private static readonly TestAllTypes MergeSource = new TestAllTypes.Builder {
OptionalInt32 = 1,
OptionalString = "foo",
OptionalForeignMessage = ForeignMessage.DefaultInstance,
}.AddRepeatedString("bar").Build();
private static readonly TestAllTypes MergeDest = new TestAllTypes.Builder {
OptionalInt64 = 2,
OptionalString = "baz",
OptionalForeignMessage = new ForeignMessage.Builder { C=3 }.Build(),
}.AddRepeatedString("qux").Build();
private const string MergeResultText =
"optional_int32: 1\n" +
"optional_int64: 2\n" +
"optional_string: \"foo\"\n" +
"optional_foreign_message {\n" +
" c: 3\n" +
"}\n" +
"repeated_string: \"qux\"\n" +
"repeated_string: \"bar\"\n";
[Test]
public void MergeFrom() {
TestAllTypes result = TestAllTypes.CreateBuilder(MergeDest).MergeFrom(MergeSource).Build();
Assert.AreEqual(MergeResultText, result.ToString());
}
/// <summary>
/// Test merging a DynamicMessage into a GeneratedMessage.
/// As long as they have the same descriptor, this should work, but it is an
/// entirely different code path.
/// </summary>
[Test]
public void MergeFromDynamic() {
TestAllTypes result = (TestAllTypes) TestAllTypes.CreateBuilder(MergeDest)
.MergeFrom(DynamicMessage.CreateBuilder(MergeSource).Build())
.Build();
Assert.AreEqual(MergeResultText, result.ToString());
}
/** Test merging two DynamicMessages. */
public void testDynamicMergeFrom() {
DynamicMessage result = (DynamicMessage) DynamicMessage.CreateBuilder(MergeDest)
.MergeFrom((DynamicMessage) DynamicMessage.CreateBuilder(MergeSource).Build())
.Build();
Assert.AreEqual(MergeResultText, result.ToString());
}
// =================================================================
// Required-field-related tests.
private static readonly TestRequired TestRequiredUninitialized = TestRequired.DefaultInstance;
private static readonly TestRequired TestRequiredInitialized = new TestRequired.Builder {
A = 1, B = 2, C = 3
}.Build();
[Test]
public void Initialization() {
TestRequired.Builder builder = TestRequired.CreateBuilder();
Assert.IsFalse(builder.IsInitialized);
builder.A = 1;
Assert.IsFalse(builder.IsInitialized);
builder.B = 1;
Assert.IsFalse(builder.IsInitialized);
builder.C = 1;
Assert.IsTrue(builder.IsInitialized);
}
[Test]
public void RequiredForeign() {
TestRequiredForeign.Builder builder = TestRequiredForeign.CreateBuilder();
Assert.IsTrue(builder.IsInitialized);
builder.SetOptionalMessage(TestRequiredUninitialized);
Assert.IsFalse(builder.IsInitialized);
builder.SetOptionalMessage(TestRequiredInitialized);
Assert.IsTrue(builder.IsInitialized);
builder.AddRepeatedMessage(TestRequiredUninitialized);
Assert.IsFalse(builder.IsInitialized);
builder.SetRepeatedMessage(0, TestRequiredInitialized);
Assert.IsTrue(builder.IsInitialized);
}
[Test]
public void RequiredExtension() {
TestAllExtensions.Builder builder = TestAllExtensions.CreateBuilder();
Assert.IsTrue(builder.IsInitialized);
builder.SetExtension(TestRequired.Types.Single, TestRequiredUninitialized);
Assert.IsFalse(builder.IsInitialized);
builder.SetExtension(TestRequired.Types.Single, TestRequiredInitialized);
Assert.IsTrue(builder.IsInitialized);
builder.AddExtension(TestRequired.Types.Multi, TestRequiredUninitialized);
Assert.IsFalse(builder.IsInitialized);
builder.SetExtension(TestRequired.Types.Multi, 0, TestRequiredInitialized);
Assert.IsTrue(builder.IsInitialized);
}
[Test]
public void RequiredDynamic() {
MessageDescriptor descriptor = TestRequired.Descriptor;
DynamicMessage.Builder builder = DynamicMessage.CreateBuilder(descriptor);
Assert.IsFalse(builder.IsInitialized);
builder[descriptor.FindDescriptor<FieldDescriptor>("a")] = 1;
Assert.IsFalse(builder.IsInitialized);
builder[descriptor.FindDescriptor<FieldDescriptor>("b")] = 1;
Assert.IsFalse(builder.IsInitialized);
builder[descriptor.FindDescriptor<FieldDescriptor>("c")] = 1;
Assert.IsTrue(builder.IsInitialized);
}
[Test]
public void RequiredDynamicForeign() {
MessageDescriptor descriptor = TestRequiredForeign.Descriptor;
DynamicMessage.Builder builder = DynamicMessage.CreateBuilder(descriptor);
Assert.IsTrue(builder.IsInitialized);
builder[descriptor.FindDescriptor<FieldDescriptor>("optional_message")] = TestRequiredUninitialized;
Assert.IsFalse(builder.IsInitialized);
builder[descriptor.FindDescriptor<FieldDescriptor>("optional_message")] = TestRequiredInitialized;
Assert.IsTrue(builder.IsInitialized);
// TODO(jonskeet): Remove this nastiness by making IBuilder always generic.
((IBuilder) builder).AddRepeatedField(descriptor.FindDescriptor<FieldDescriptor>("repeated_message"), TestRequiredUninitialized);
Assert.IsFalse(builder.IsInitialized);
builder.SetRepeatedField(descriptor.FindDescriptor<FieldDescriptor>("repeated_message"), 0, TestRequiredInitialized);
Assert.IsTrue(builder.IsInitialized);
}
[Test]
public void UninitializedException() {
try {
TestRequired.CreateBuilder().Build();
Assert.Fail("Should have thrown an exception.");
} catch (UninitializedMessageException e) {
Assert.AreEqual("Message missing required fields: a, b, c", e.Message);
}
}
[Test]
public void BuildPartial() {
// We're mostly testing that no exception is thrown.
TestRequired message = TestRequired.CreateBuilder().BuildPartial();
Assert.IsFalse(message.IsInitialized);
}
[Test]
public void NestedUninitializedException() {
try {
TestRequiredForeign.CreateBuilder()
.SetOptionalMessage(TestRequiredUninitialized)
.AddRepeatedMessage(TestRequiredUninitialized)
.AddRepeatedMessage(TestRequiredUninitialized)
.Build();
Assert.Fail("Should have thrown an exception.");
} catch (UninitializedMessageException e) {
Assert.AreEqual(
"Message missing required fields: " +
"optional_message.a, " +
"optional_message.b, " +
"optional_message.c, " +
"repeated_message[0].a, " +
"repeated_message[0].b, " +
"repeated_message[0].c, " +
"repeated_message[1].a, " +
"repeated_message[1].b, " +
"repeated_message[1].c",
e.Message);
}
}
[Test]
public void BuildNestedPartial() {
// We're mostly testing that no exception is thrown.
TestRequiredForeign message =
TestRequiredForeign.CreateBuilder()
.SetOptionalMessage(TestRequiredUninitialized)
.AddRepeatedMessage(TestRequiredUninitialized)
.AddRepeatedMessage(TestRequiredUninitialized)
.BuildPartial();
Assert.IsFalse(message.IsInitialized);
}
[Test]
public void ParseUnititialized() {
try {
TestRequired.ParseFrom(ByteString.Empty);
Assert.Fail("Should have thrown an exception.");
} catch (InvalidProtocolBufferException e) {
Assert.AreEqual("Message missing required fields: a, b, c", e.Message);
}
}
[Test]
public void ParseNestedUnititialized() {
ByteString data =
TestRequiredForeign.CreateBuilder()
.SetOptionalMessage(TestRequiredUninitialized)
.AddRepeatedMessage(TestRequiredUninitialized)
.AddRepeatedMessage(TestRequiredUninitialized)
.BuildPartial().ToByteString();
try {
TestRequiredForeign.ParseFrom(data);
Assert.Fail("Should have thrown an exception.");
} catch (InvalidProtocolBufferException e) {
Assert.AreEqual(
"Message missing required fields: " +
"optional_message.a, " +
"optional_message.b, " +
"optional_message.c, " +
"repeated_message[0].a, " +
"repeated_message[0].b, " +
"repeated_message[0].c, " +
"repeated_message[1].a, " +
"repeated_message[1].b, " +
"repeated_message[1].c",
e.Message);
}
}
[Test]
public void DynamicUninitializedException() {
try {
DynamicMessage.CreateBuilder(TestRequired.Descriptor).Build();
Assert.Fail("Should have thrown an exception.");
} catch (UninitializedMessageException e) {
Assert.AreEqual("Message missing required fields: a, b, c", e.Message);
}
}
[Test]
public void DynamicBuildPartial() {
// We're mostly testing that no exception is thrown.
// TODO(jonskeet): Fix this ghastly casting mess
DynamicMessage message = (DynamicMessage) ((IBuilder) DynamicMessage.CreateBuilder(TestRequired.Descriptor)).BuildPartial();
Assert.IsFalse(message.Initialized);
}
[Test]
public void DynamicParseUnititialized() {
try {
MessageDescriptor descriptor = TestRequired.Descriptor;
DynamicMessage.ParseFrom(descriptor, ByteString.Empty);
Assert.Fail("Should have thrown an exception.");
} catch (InvalidProtocolBufferException e) {
Assert.AreEqual("Message missing required fields: a, b, c", e.Message);
}
}
}
}
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