Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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443 lines
18 KiB
443 lines
18 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2008 Google Inc. |
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// http://code.google.com/p/protobuf/ |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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using System; |
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using System.IO; |
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using System.Text; |
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using Google.ProtocolBuffers.TestProtos; |
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using NUnit.Framework; |
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namespace Google.ProtocolBuffers { |
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[TestFixture] |
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public class TextFormatTest { |
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private static readonly string AllFieldsSetText = TestUtil.ReadTextFromFile("text_format_unittest_data.txt"); |
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private static readonly string AllExtensionsSetText = TestUtil.ReadTextFromFile("text_format_unittest_extensions_data.txt"); |
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/// <summary> |
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/// Note that this is slightly different to the Java - 123.0 becomes 123, and 1.23E17 becomes 1.23E+17. |
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/// Both of these differences can be parsed by the Java and the C++, and we can parse their output too. |
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/// </summary> |
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private const string ExoticText = |
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"repeated_int32: -1\n" + |
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"repeated_int32: -2147483648\n" + |
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"repeated_int64: -1\n" + |
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"repeated_int64: -9223372036854775808\n" + |
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"repeated_uint32: 4294967295\n" + |
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"repeated_uint32: 2147483648\n" + |
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"repeated_uint64: 18446744073709551615\n" + |
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"repeated_uint64: 9223372036854775808\n" + |
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"repeated_double: 123\n" + |
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"repeated_double: 123.5\n" + |
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"repeated_double: 0.125\n" + |
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"repeated_double: 1.23E+17\n" + |
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"repeated_double: 1.235E+22\n" + |
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"repeated_double: 1.235E-18\n" + |
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"repeated_double: 123.456789\n" + |
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"repeated_double: Infinity\n" + |
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"repeated_double: -Infinity\n" + |
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"repeated_double: NaN\n" + |
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"repeated_string: \"\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"" + |
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"\\341\\210\\264\"\n" + |
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"repeated_bytes: \"\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"\\376\"\n"; |
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private const string MessageSetText = |
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"[protobuf_unittest.TestMessageSetExtension1] {\n" + |
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" i: 123\n" + |
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"}\n" + |
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"[protobuf_unittest.TestMessageSetExtension2] {\n" + |
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" str: \"foo\"\n" + |
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"}\n"; |
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/// <summary> |
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/// Print TestAllTypes and compare with golden file. |
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/// </summary> |
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[Test] |
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public void PrintMessage() { |
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string text = TextFormat.PrintToString(TestUtil.GetAllSet()); |
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Assert.AreEqual(AllFieldsSetText.Replace("\r\n", "\n"), text.Replace("\r\n", "\n")); |
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} |
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/// <summary> |
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/// Print TestAllExtensions and compare with golden file. |
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/// </summary> |
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[Test] |
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public void PrintExtensions() { |
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string text = TextFormat.PrintToString(TestUtil.GetAllExtensionsSet()); |
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Assert.AreEqual(AllExtensionsSetText.Replace("\r\n", "\n"), text.Replace("\r\n", "\n")); |
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} |
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/// <summary> |
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/// Test printing of unknown fields in a message. |
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/// </summary> |
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[Test] |
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public void PrintUnknownFields() { |
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TestEmptyMessage message = |
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TestEmptyMessage.CreateBuilder() |
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.SetUnknownFields( |
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UnknownFieldSet.CreateBuilder() |
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.AddField(5, |
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UnknownField.CreateBuilder() |
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.AddVarint(1) |
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.AddFixed32(2) |
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.AddFixed64(3) |
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.AddLengthDelimited(ByteString.CopyFromUtf8("4")) |
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.AddGroup( |
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UnknownFieldSet.CreateBuilder() |
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.AddField(10, |
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UnknownField.CreateBuilder() |
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.AddVarint(5) |
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.Build()) |
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.Build()) |
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.Build()) |
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.AddField(8, |
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UnknownField.CreateBuilder() |
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.AddVarint(1) |
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.AddVarint(2) |
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.AddVarint(3) |
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.Build()) |
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.AddField(15, |
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UnknownField.CreateBuilder() |
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.AddVarint(0xABCDEF1234567890L) |
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.AddFixed32(0xABCD1234) |
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.AddFixed64(0xABCDEF1234567890L) |
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.Build()) |
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.Build()) |
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.Build(); |
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Assert.AreEqual( |
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"5: 1\n" + |
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"5: 0x00000002\n" + |
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"5: 0x0000000000000003\n" + |
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"5: \"4\"\n" + |
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"5 {\n" + |
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" 10: 5\n" + |
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"}\n" + |
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"8: 1\n" + |
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"8: 2\n" + |
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"8: 3\n" + |
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"15: 12379813812177893520\n" + |
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"15: 0xabcd1234\n" + |
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"15: 0xabcdef1234567890\n", |
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TextFormat.PrintToString(message)); |
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} |
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/// <summary> |
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/// Helper to construct a ByteString from a string containing only 8-bit |
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/// characters. The characters are converted directly to bytes, *not* |
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/// encoded using UTF-8. |
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/// </summary> |
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private static ByteString Bytes(string str) { |
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return ByteString.CopyFrom(Encoding.GetEncoding(28591).GetBytes(str)); |
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} |
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[Test] |
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public void PrintExotic() { |
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IMessage message = TestAllTypes.CreateBuilder() |
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// Signed vs. unsigned numbers. |
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.AddRepeatedInt32 (-1) |
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.AddRepeatedUint32(uint.MaxValue) |
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.AddRepeatedInt64 (-1) |
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.AddRepeatedUint64(ulong.MaxValue) |
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.AddRepeatedInt32 (1 << 31) |
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.AddRepeatedUint32(1U << 31) |
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.AddRepeatedInt64 (1L << 63) |
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.AddRepeatedUint64(1UL << 63) |
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// Floats of various precisions and exponents. |
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.AddRepeatedDouble(123) |
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.AddRepeatedDouble(123.5) |
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.AddRepeatedDouble(0.125) |
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.AddRepeatedDouble(123e15) |
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.AddRepeatedDouble(123.5e20) |
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.AddRepeatedDouble(123.5e-20) |
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.AddRepeatedDouble(123.456789) |
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.AddRepeatedDouble(Double.PositiveInfinity) |
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.AddRepeatedDouble(Double.NegativeInfinity) |
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.AddRepeatedDouble(Double.NaN) |
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// Strings and bytes that needing escaping. |
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.AddRepeatedString("\0\u0001\u0007\b\f\n\r\t\v\\\'\"\u1234") |
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.AddRepeatedBytes(Bytes("\0\u0001\u0007\b\f\n\r\t\v\\\'\"\u00fe")) |
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.Build(); |
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Assert.AreEqual(ExoticText, message.ToString()); |
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} |
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[Test] |
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public void PrintMessageSet() { |
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TestMessageSet messageSet = |
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TestMessageSet.CreateBuilder() |
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.SetExtension( |
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TestMessageSetExtension1.MessageSetExtension, |
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TestMessageSetExtension1.CreateBuilder().SetI(123).Build()) |
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.SetExtension( |
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TestMessageSetExtension2.MessageSetExtension, |
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TestMessageSetExtension2.CreateBuilder().SetStr("foo").Build()) |
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.Build(); |
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Assert.AreEqual(MessageSetText, messageSet.ToString()); |
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} |
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// ================================================================= |
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[Test] |
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public void Parse() { |
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TestAllTypes.Builder builder = TestAllTypes.CreateBuilder(); |
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TextFormat.Merge(AllFieldsSetText, builder); |
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TestUtil.AssertAllFieldsSet(builder.Build()); |
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} |
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[Test] |
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public void ParseReader() { |
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TestAllTypes.Builder builder = TestAllTypes.CreateBuilder(); |
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TextFormat.Merge(new StringReader(AllFieldsSetText), builder); |
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TestUtil.AssertAllFieldsSet(builder.Build()); |
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} |
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[Test] |
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public void ParseExtensions() { |
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TestAllExtensions.Builder builder = TestAllExtensions.CreateBuilder(); |
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TextFormat.Merge(AllExtensionsSetText, |
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TestUtil.CreateExtensionRegistry(), |
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builder); |
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TestUtil.AssertAllExtensionsSet(builder.Build()); |
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} |
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[Test] |
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public void ParseExotic() { |
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TestAllTypes.Builder builder = TestAllTypes.CreateBuilder(); |
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TextFormat.Merge(ExoticText, builder); |
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// Too lazy to check things individually. Don't try to debug this |
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// if testPrintExotic() is Assert.Failing. |
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Assert.AreEqual(ExoticText, builder.Build().ToString()); |
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} |
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[Test] |
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public void ParseMessageSet() { |
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ExtensionRegistry extensionRegistry = ExtensionRegistry.CreateInstance(); |
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extensionRegistry.Add(TestMessageSetExtension1.MessageSetExtension); |
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extensionRegistry.Add(TestMessageSetExtension2.MessageSetExtension); |
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TestMessageSet.Builder builder = TestMessageSet.CreateBuilder(); |
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TextFormat.Merge(MessageSetText, extensionRegistry, builder); |
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TestMessageSet messageSet = builder.Build(); |
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Assert.IsTrue(messageSet.HasExtension(TestMessageSetExtension1.MessageSetExtension)); |
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Assert.AreEqual(123, messageSet.GetExtension(TestMessageSetExtension1.MessageSetExtension).I); |
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Assert.IsTrue(messageSet.HasExtension(TestMessageSetExtension2.MessageSetExtension)); |
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Assert.AreEqual("foo", messageSet.GetExtension(TestMessageSetExtension2.MessageSetExtension).Str); |
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} |
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[Test] |
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public void ParseNumericEnum() { |
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TestAllTypes.Builder builder = TestAllTypes.CreateBuilder(); |
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TextFormat.Merge("optional_nested_enum: 2", builder); |
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Assert.AreEqual(TestAllTypes.Types.NestedEnum.BAR, builder.OptionalNestedEnum); |
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} |
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[Test] |
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public void ParseAngleBrackets() { |
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TestAllTypes.Builder builder = TestAllTypes.CreateBuilder(); |
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TextFormat.Merge("OptionalGroup: < a: 1 >", builder); |
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Assert.IsTrue(builder.HasOptionalGroup); |
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Assert.AreEqual(1, builder.OptionalGroup.A); |
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} |
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private static void AssertParseError(string error, string text) { |
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TestAllTypes.Builder builder = TestAllTypes.CreateBuilder(); |
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try { |
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TextFormat.Merge(text, TestUtil.CreateExtensionRegistry(), builder); |
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Assert.Fail("Expected parse exception."); |
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} catch (FormatException e) { |
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Assert.AreEqual(error, e.Message); |
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} |
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} |
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[Test] |
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public void ParseErrors() { |
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AssertParseError( |
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"1:16: Expected \":\".", |
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"optional_int32 123"); |
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AssertParseError( |
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"1:23: Expected identifier.", |
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"optional_nested_enum: ?"); |
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AssertParseError( |
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"1:18: Couldn't parse integer: Number must be positive: -1", |
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"optional_uint32: -1"); |
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AssertParseError( |
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"1:17: Couldn't parse integer: Number out of range for 32-bit signed " + |
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"integer: 82301481290849012385230157", |
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"optional_int32: 82301481290849012385230157"); |
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AssertParseError( |
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"1:16: Expected \"true\" or \"false\".", |
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"optional_bool: maybe"); |
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AssertParseError( |
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"1:18: Expected string.", |
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"optional_string: 123"); |
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AssertParseError( |
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"1:18: String missing ending quote.", |
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"optional_string: \"ueoauaoe"); |
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AssertParseError( |
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"1:18: String missing ending quote.", |
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"optional_string: \"ueoauaoe\n" + |
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"optional_int32: 123"); |
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AssertParseError( |
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"1:18: Invalid escape sequence: '\\z'", |
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"optional_string: \"\\z\""); |
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AssertParseError( |
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"1:18: String missing ending quote.", |
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"optional_string: \"ueoauaoe\n" + |
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"optional_int32: 123"); |
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AssertParseError( |
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"1:2: Extension \"nosuchext\" not found in the ExtensionRegistry.", |
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"[nosuchext]: 123"); |
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AssertParseError( |
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"1:20: Extension \"protobuf_unittest.optional_int32_extension\" does " + |
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"not extend message type \"protobuf_unittest.TestAllTypes\".", |
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"[protobuf_unittest.optional_int32_extension]: 123"); |
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AssertParseError( |
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"1:1: Message type \"protobuf_unittest.TestAllTypes\" has no field " + |
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"named \"nosuchfield\".", |
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"nosuchfield: 123"); |
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AssertParseError( |
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"1:21: Expected \">\".", |
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"OptionalGroup < a: 1"); |
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AssertParseError( |
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"1:23: Enum type \"protobuf_unittest.TestAllTypes.NestedEnum\" has no " + |
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"value named \"NO_SUCH_VALUE\".", |
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"optional_nested_enum: NO_SUCH_VALUE"); |
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AssertParseError( |
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"1:23: Enum type \"protobuf_unittest.TestAllTypes.NestedEnum\" has no " + |
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"value with number 123.", |
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"optional_nested_enum: 123"); |
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// Delimiters must match. |
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AssertParseError( |
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"1:22: Expected identifier.", |
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"OptionalGroup < a: 1 }"); |
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AssertParseError( |
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"1:22: Expected identifier.", |
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"OptionalGroup { a: 1 >"); |
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} |
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// ================================================================= |
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private static ByteString Bytes(params byte[] bytes) { |
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return ByteString.CopyFrom(bytes); |
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} |
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private delegate void FormattingAction(); |
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private static void AssertFormatException(FormattingAction action) { |
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try { |
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action(); |
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Assert.Fail("Should have thrown an exception."); |
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} catch (FormatException) { |
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// success |
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} |
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} |
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[Test] |
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public void Escape() { |
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// Escape sequences. |
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Assert.AreEqual("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"", |
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TextFormat.EscapeBytes(Bytes("\0\u0001\u0007\b\f\n\r\t\v\\\'\""))); |
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Assert.AreEqual("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"", |
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TextFormat.EscapeText("\0\u0001\u0007\b\f\n\r\t\v\\\'\"")); |
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Assert.AreEqual(Bytes("\0\u0001\u0007\b\f\n\r\t\v\\\'\""), |
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TextFormat.UnescapeBytes("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"")); |
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Assert.AreEqual("\0\u0001\u0007\b\f\n\r\t\v\\\'\"", |
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TextFormat.UnescapeText("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"")); |
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// Unicode handling. |
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Assert.AreEqual("\\341\\210\\264", TextFormat.EscapeText("\u1234")); |
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Assert.AreEqual("\\341\\210\\264", TextFormat.EscapeBytes(Bytes(0xe1, 0x88, 0xb4))); |
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Assert.AreEqual("\u1234", TextFormat.UnescapeText("\\341\\210\\264")); |
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Assert.AreEqual(Bytes(0xe1, 0x88, 0xb4), TextFormat.UnescapeBytes("\\341\\210\\264")); |
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Assert.AreEqual("\u1234", TextFormat.UnescapeText("\\xe1\\x88\\xb4")); |
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Assert.AreEqual(Bytes(0xe1, 0x88, 0xb4), TextFormat.UnescapeBytes("\\xe1\\x88\\xb4")); |
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// Errors. |
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AssertFormatException(() => TextFormat.UnescapeText("\\x")); |
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AssertFormatException(() => TextFormat.UnescapeText("\\z")); |
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AssertFormatException(() => TextFormat.UnescapeText("\\")); |
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} |
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[Test] |
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public void ParseInteger() { |
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Assert.AreEqual( 0, TextFormat.ParseInt32( "0")); |
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Assert.AreEqual( 1, TextFormat.ParseInt32( "1")); |
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Assert.AreEqual( -1, TextFormat.ParseInt32( "-1")); |
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Assert.AreEqual( 12345, TextFormat.ParseInt32( "12345")); |
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Assert.AreEqual( -12345, TextFormat.ParseInt32( "-12345")); |
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Assert.AreEqual( 2147483647, TextFormat.ParseInt32( "2147483647")); |
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Assert.AreEqual(-2147483648, TextFormat.ParseInt32("-2147483648")); |
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Assert.AreEqual( 0, TextFormat.ParseUInt32( "0")); |
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Assert.AreEqual( 1, TextFormat.ParseUInt32( "1")); |
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Assert.AreEqual( 12345, TextFormat.ParseUInt32( "12345")); |
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Assert.AreEqual( 2147483647, TextFormat.ParseUInt32("2147483647")); |
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Assert.AreEqual(2147483648U, TextFormat.ParseUInt32("2147483648")); |
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Assert.AreEqual(4294967295U, TextFormat.ParseUInt32("4294967295")); |
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Assert.AreEqual( 0L, TextFormat.ParseInt64( "0")); |
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Assert.AreEqual( 1L, TextFormat.ParseInt64( "1")); |
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Assert.AreEqual( -1L, TextFormat.ParseInt64( "-1")); |
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Assert.AreEqual( 12345L, TextFormat.ParseInt64( "12345")); |
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Assert.AreEqual( -12345L, TextFormat.ParseInt64( "-12345")); |
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Assert.AreEqual( 2147483647L, TextFormat.ParseInt64( "2147483647")); |
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Assert.AreEqual(-2147483648L, TextFormat.ParseInt64("-2147483648")); |
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Assert.AreEqual( 4294967295L, TextFormat.ParseInt64( "4294967295")); |
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Assert.AreEqual( 4294967296L, TextFormat.ParseInt64( "4294967296")); |
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Assert.AreEqual(9223372036854775807L, TextFormat.ParseInt64("9223372036854775807")); |
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Assert.AreEqual(-9223372036854775808L, TextFormat.ParseInt64("-9223372036854775808")); |
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Assert.AreEqual( 0L, TextFormat.ParseUInt64( "0")); |
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Assert.AreEqual( 1L, TextFormat.ParseUInt64( "1")); |
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Assert.AreEqual( 12345L, TextFormat.ParseUInt64( "12345")); |
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Assert.AreEqual( 2147483647L, TextFormat.ParseUInt64( "2147483647")); |
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Assert.AreEqual( 4294967295L, TextFormat.ParseUInt64( "4294967295")); |
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Assert.AreEqual( 4294967296L, TextFormat.ParseUInt64( "4294967296")); |
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Assert.AreEqual(9223372036854775807UL, TextFormat.ParseUInt64("9223372036854775807")); |
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Assert.AreEqual(9223372036854775808UL, TextFormat.ParseUInt64("9223372036854775808")); |
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Assert.AreEqual(18446744073709551615UL, TextFormat.ParseUInt64("18446744073709551615")); |
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// Hex |
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Assert.AreEqual(0x1234abcd, TextFormat.ParseInt32("0x1234abcd")); |
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Assert.AreEqual(-0x1234abcd, TextFormat.ParseInt32("-0x1234abcd")); |
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Assert.AreEqual(0xffffffffffffffffUL, TextFormat.ParseUInt64("0xffffffffffffffff")); |
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Assert.AreEqual(0x7fffffffffffffffL, |
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TextFormat.ParseInt64("0x7fffffffffffffff")); |
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// Octal |
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Assert.AreEqual(342391, TextFormat.ParseInt32("01234567")); |
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// Out-of-range |
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AssertFormatException(() => TextFormat.ParseInt32("2147483648")); |
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AssertFormatException(() => TextFormat.ParseInt32("-2147483649")); |
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AssertFormatException(() => TextFormat.ParseUInt32("4294967296")); |
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AssertFormatException(() => TextFormat.ParseUInt32("-1")); |
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AssertFormatException(() => TextFormat.ParseInt64("9223372036854775808")); |
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AssertFormatException(() => TextFormat.ParseInt64("-9223372036854775809")); |
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AssertFormatException(() => TextFormat.ParseUInt64("18446744073709551616")); |
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AssertFormatException(() => TextFormat.ParseUInt64("-1")); |
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AssertFormatException(() => TextFormat.ParseInt32("abcd")); |
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} |
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} |
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}
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