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using System;
using System.Linq;
using LibGit2Sharp.Tests.TestHelpers;
using Xunit;
namespace LibGit2Sharp.Tests
{
public class BlameFixture : BaseFixture
{
private static void AssertCorrectHeadBlame(BlameHunkCollection blame)
{
Assert.Equal(1, blame.Count());
Assert.Equal(0, blame[0].FinalStartLineNumber);
Assert.Equal("schacon@gmail.com", blame[0].FinalSignature.Email);
Assert.Equal("4a202b3", blame[0].FinalCommit.Id.ToString(7));
Assert.Equal(0, blame.HunkForLine(0).FinalStartLineNumber);
Assert.Equal("schacon@gmail.com", blame.HunkForLine(0).FinalSignature.Email);
Assert.Equal("4a202b3", blame.HunkForLine(0).FinalCommit.Id.ToString(7));
}
[Fact]
public void CanBlameSimply()
{
using (var repo = new Repository(BareTestRepoPath))
{
AssertCorrectHeadBlame(repo.Blame("README"));
}
}
[Fact]
public void CanBlameFromADifferentCommit()
{
using (var repo = new Repository(MergedTestRepoWorkingDirPath))
{
// File doesn't exist at HEAD
Assert.Throws<LibGit2SharpException>(() => repo.Blame("ancestor-only.txt"));
var blame = repo.Blame("ancestor-only.txt", new BlameOptions { StartingAt = "9107b30" });
Assert.Equal(1, blame.Count());
}
}
[Fact]
public void ValidatesLimits()
{
using (var repo = new Repository(BareTestRepoPath))
{
var blame = repo.Blame("README");
Assert.Throws<ArgumentOutOfRangeException>(() => blame[1]);
Assert.Throws<ArgumentOutOfRangeException>(() => blame.HunkForLine(2));
}
}
[Fact]
public void CanBlameFromVariousTypes()
{
using (var repo = new Repository(BareTestRepoPath))
{
AssertCorrectHeadBlame(repo.Blame("README", new BlameOptions {StartingAt = "HEAD" }));
AssertCorrectHeadBlame(repo.Blame("README", new BlameOptions {StartingAt = repo.Head }));
AssertCorrectHeadBlame(repo.Blame("README", new BlameOptions {StartingAt = repo.Head.Tip }));
AssertCorrectHeadBlame(repo.Blame("README", new BlameOptions {StartingAt = repo.Branches["master"]}));
}
}
[Fact]
public void CanStopBlame()
{
using (var repo = new Repository(BareTestRepoPath))
{
// $ git blame .\new.txt
// 9fd738e8 (Scott Chacon 2010-05-24 10:19:19 -0700 1) my new file
// (be3563a comes after 9fd738e8)
var blame = repo.Blame("new.txt", new BlameOptions {StoppingAt = "be3563a"});
Assert.True(blame[0].FinalCommit.Sha.StartsWith("be3563a"));
}
}
}
}
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