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Diffstat (limited to 'src/csharp/Grpc.Tools.Tests/DepFileUtilTest.cs')
-rw-r--r-- | src/csharp/Grpc.Tools.Tests/DepFileUtilTest.cs | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Tools.Tests/DepFileUtilTest.cs b/src/csharp/Grpc.Tools.Tests/DepFileUtilTest.cs new file mode 100644 index 0000000000..ea34c89921 --- /dev/null +++ b/src/csharp/Grpc.Tools.Tests/DepFileUtilTest.cs @@ -0,0 +1,132 @@ +#region Copyright notice and license + +// Copyright 2018 gRPC authors. +// +// 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. + +#endregion + +using System.IO; +using Microsoft.Build.Framework; +using Microsoft.Build.Utilities; +using NUnit.Framework; + +namespace Grpc.Tools.Tests { + public class DepFileUtilTest { + + [Test] + public void HashString64Hex_IsSane() { + string hashFoo1 = DepFileUtil.HashString64Hex("foo"); + string hashEmpty = DepFileUtil.HashString64Hex(""); + string hashFoo2 = DepFileUtil.HashString64Hex("foo"); + + StringAssert.IsMatch("^[a-f0-9]{16}$", hashFoo1); + Assert.AreEqual(hashFoo1, hashFoo2); + Assert.AreNotEqual(hashFoo1, hashEmpty); + } + + [Test] + public void GetDepFilenameForProto_IsSane() { + StringAssert.IsMatch(@"^out[\\/][a-f0-9]{16}_foo.protodep$", + DepFileUtil.GetDepFilenameForProto("out", "foo.proto")); + StringAssert.IsMatch(@"^[a-f0-9]{16}_foo.protodep$", + DepFileUtil.GetDepFilenameForProto("", "foo.proto")); + } + + [Test] + public void GetDepFilenameForProto_HashesDir() { + string PickHash(string fname) => + DepFileUtil.GetDepFilenameForProto("", fname).Substring(0, 16); + + string same1 = PickHash("dir1/dir2/foo.proto"); + string same2 = PickHash("dir1/dir2/proto.foo"); + string same3 = PickHash("dir1/dir2/proto"); + string same4 = PickHash("dir1/dir2/.proto"); + string unsame1 = PickHash("dir2/foo.proto"); + string unsame2 = PickHash("/dir2/foo.proto"); + + Assert.AreEqual(same1, same2); + Assert.AreEqual(same1, same3); + Assert.AreEqual(same1, same4); + Assert.AreNotEqual(same1, unsame1); + Assert.AreNotEqual(unsame1, unsame2); + } + + ////////////////////////////////////////////////////////////////////////// + // Full file reading tests + + // Generated by protoc on Windows. Slashes vary. + const string depFile1 = +@"C:\projects\foo\src\./foo.grpc.pb.cc \ +C:\projects\foo\src\./foo.grpc.pb.h \ +C:\projects\foo\src\./foo.pb.cc \ + C:\projects\foo\src\./foo.pb.h: C:/usr/include/google/protobuf/wrappers.proto\ + C:/usr/include/google/protobuf/any.proto\ +C:/usr/include/google/protobuf/source_context.proto\ + C:/usr/include/google/protobuf/type.proto\ + foo.proto"; + + // This has a nasty output directory with a space. + const string depFile2 = +@"obj\Release x64\net45\/Foo.cs \ +obj\Release x64\net45\/FooGrpc.cs: C:/usr/include/google/protobuf/wrappers.proto\ + C:/projects/foo/src//foo.proto"; + + [Test] + public void ReadDependencyInput_FullFile1() { + string[] deps = ReadDependencyInputFromFileData(depFile1, "foo.proto"); + + Assert.NotNull(deps); + Assert.That(deps, Has.Length.InRange(4, 5)); // foo.proto may or may not be listed. + Assert.That(deps, Has.One.EndsWith("wrappers.proto")); + Assert.That(deps, Has.One.EndsWith("type.proto")); + Assert.That(deps, Has.None.StartWith(" ")); + } + + [Test] + public void ReadDependencyInput_FullFile2() { + string[] deps = ReadDependencyInputFromFileData(depFile2, "C:/projects/foo/src/foo.proto"); + + Assert.NotNull(deps); + Assert.That(deps, Has.Length.InRange(1, 2)); + Assert.That(deps, Has.One.EndsWith("wrappers.proto")); + Assert.That(deps, Has.None.StartWith(" ")); + } + + [Test] + public void ReadDependencyInput_FullFileUnparsable() { + string[] deps = ReadDependencyInputFromFileData("a:/foo.proto", "/foo.proto"); + Assert.NotNull(deps); + Assert.Zero(deps.Length); + } + + // NB in our tests files are put into the temp directory but all have + // different names. Avoid adding files with the same directory path and + // name, or add reasonable handling for it if required. Tests are run in + // parallel and will collide otherwise. + private string[] ReadDependencyInputFromFileData(string fileData, string protoName) { + string tempPath = Path.GetTempPath(); + string tempfile = DepFileUtil.GetDepFilenameForProto(tempPath, protoName); + try { + File.WriteAllText(tempfile, fileData); + var mockEng = new Moq.Mock<IBuildEngine>(); + var log = new TaskLoggingHelper(mockEng.Object, "x"); + return DepFileUtil.ReadDependencyInputs(tempPath, protoName, log); + } finally { + try { + File.Delete(tempfile); + } catch { } + } + } + }; +} |