Enforce Configuration.BuildSignature test coverage

Author: nulltoken

LibGit2Sharp.Tests/CommitFixture.cs

@@ -538,27 +538,6 @@ public void DirectlyAccessingAnUnknownTreeEntryOfTheCommitReturnsNull()
 }
 }
 
-[Theory]
-[InlineData(null,"[email protected]")]
-[InlineData("","[email protected]")]
-[InlineData("X",null)]
-[InlineData("X","")]
-publicvoidCommitWithInvalidSignatureConfigThrows(stringname,stringemail)
-{
-stringrepoPath=InitNewRepository();
-stringconfigPath=CreateConfigurationWithDummyUser(name,email);
-varoptions=newRepositoryOptions{GlobalConfigurationLocation=configPath};
-
-using(varrepo=newRepository(repoPath,options))
-{
-Assert.Equal(name,repo.Config.GetValueOrDefault<string>("user.name"));
-Assert.Equal(email,repo.Config.GetValueOrDefault<string>("user.email"));
-
-Assert.Throws<LibGit2SharpException>(
-()=>repo.Commit("Initial egotistic commit",newCommitOptions{AllowEmptyCommit=true}));
-}
-}
-
 [Fact]
 publicvoidCanCommitWithSignatureFromConfig()
 {

LibGit2Sharp.Tests/ConfigurationFixture.cs

@@ -409,5 +409,27 @@ public void PassingANonExistingLocalConfigurationFileToBuildFromthrowss()
 Assert.Throws<FileNotFoundException>(()=>Configuration.BuildFrom(
 Path.Combine(Path.GetTempPath(),Path.GetRandomFileName())));
 }
+
+[Theory]
+[InlineData(null,"[email protected]")]
+[InlineData("","[email protected]")]
+[InlineData("X",null)]
+[InlineData("X","")]
+publicvoidCannotBuildAProperSignatureFromConfigWhenFullIdentityCannotBeFoundInTheConfig(stringname,stringemail)
+{
+stringrepoPath=InitNewRepository();
+stringconfigPath=CreateConfigurationWithDummyUser(name,email);
+varoptions=newRepositoryOptions{GlobalConfigurationLocation=configPath};
+
+using(varrepo=newRepository(repoPath,options))
+{
+Assert.Equal(name,repo.Config.GetValueOrDefault<string>("user.name"));
+Assert.Equal(email,repo.Config.GetValueOrDefault<string>("user.email"));
+
+Signaturesignature=repo.Config.BuildSignature(DateTimeOffset.Now);
+
+Assert.Null(signature);
+}
+}
 }
 }