public void ResolveReference()
{
using var temp = new TempRoot();
var gitDir = temp.CreateDirectory();
var commonDir = temp.CreateDirectory();
var refsHeadsDir = commonDir.CreateDirectory("refs").CreateDirectory("heads");
refsHeadsDir.CreateFile("master").WriteAllText("0000000000000000000000000000000000000000");
refsHeadsDir.CreateFile("br1").WriteAllText("ref: refs/heads/br2");
refsHeadsDir.CreateFile("br2").WriteAllText("ref: refs/heads/master");
var resolver = new GitReferenceResolver(gitDir.Path, commonDir.Path);
Assert.Equal("0123456789ABCDEFabcdef000000000000000000", resolver.ResolveReference("0123456789ABCDEFabcdef000000000000000000"));
Assert.Equal("0000000000000000000000000000000000000000", resolver.ResolveReference("ref: refs/heads/master"));
Assert.Equal("0000000000000000000000000000000000000000", resolver.ResolveReference("ref: refs/heads/br1"));
Assert.Equal("0000000000000000000000000000000000000000", resolver.ResolveReference("ref: refs/heads/br2"));
// branch without commits (emtpy repository) will have not file in refs/heads:
Assert.Null(resolver.ResolveReference("ref: refs/heads/none"));
Assert.Null(resolver.ResolveReference("ref: refs/heads/rec1 "));
Assert.Null(resolver.ResolveReference("ref: refs/heads/none" + string.Join("/", Path.GetInvalidPathChars())));
}
public void ReadPackedReferences()
{
var packedRefs =
@"# pack-refs with:
1111111111111111111111111111111111111111 refs/heads/master
2222222222222222222222222222222222222222 refs/heads/br
^3333333333333333333333333333333333333333
4444444444444444444444444444444444444444 x
5555555555555555555555555555555555555555 y
6666666666666666666666666666666666666666 y z
7777777777777777777777777777777777777777 refs/heads/br
";
var actual = GitReferenceResolver.ReadPackedReferences(new StringReader(packedRefs), "<path>");
AssertEx.SetEqual(new[]
{
"refs/heads/br:2222222222222222222222222222222222222222",
"refs/heads/master:1111111111111111111111111111111111111111"
}, actual.Select(e => $"{e.Key}:{e.Value}"));
}
public void ResolveReference_Errors()
{
using var temp = new TempRoot();
var gitDir = temp.CreateDirectory();
var commonDir = temp.CreateDirectory();
var refsHeadsDir = commonDir.CreateDirectory("refs").CreateDirectory("heads");
refsHeadsDir.CreateFile("rec1").WriteAllText("ref: refs/heads/rec2");
refsHeadsDir.CreateFile("rec2").WriteAllText("ref: refs/heads/rec1");
var resolver = new GitReferenceResolver(gitDir.Path, commonDir.Path);
Assert.Throws <InvalidDataException>(() => resolver.ResolveReference("ref: refs/heads/rec1"));
Assert.Throws <InvalidDataException>(() => resolver.ResolveReference("ref: xyz/heads/rec1"));
Assert.Throws <InvalidDataException>(() => resolver.ResolveReference("ref:refs/heads/rec1"));
Assert.Throws <InvalidDataException>(() => resolver.ResolveReference("refs/heads/rec1"));
Assert.Throws <InvalidDataException>(() => resolver.ResolveReference(new string('0', 39)));
Assert.Throws <InvalidDataException>(() => resolver.ResolveReference(new string('0', 41)));
}
public void ResolveReference_Packed()
{
using var temp = new TempRoot();
var gitDir = temp.CreateDirectory();
gitDir.CreateFile("packed-refs").WriteAllText(
@"# pack-refs with: peeled fully-peeled sorted
1111111111111111111111111111111111111111 refs/heads/master
2222222222222222222222222222222222222222 refs/heads/br2
");
var commonDir = temp.CreateDirectory();
var refsHeadsDir = commonDir.CreateDirectory("refs").CreateDirectory("heads");
refsHeadsDir.CreateFile("br1").WriteAllText("ref: refs/heads/br2");
var resolver = new GitReferenceResolver(gitDir.Path, commonDir.Path);
Assert.Equal("1111111111111111111111111111111111111111", resolver.ResolveReference("ref: refs/heads/master"));
Assert.Equal("2222222222222222222222222222222222222222", resolver.ResolveReference("ref: refs/heads/br1"));
Assert.Equal("2222222222222222222222222222222222222222", resolver.ResolveReference("ref: refs/heads/br2"));
}
[InlineData("# pack-refs with:xyz\n^1111111111111111111111111111111111111111\n^2222222222222222222222222222222222222222")] // tag dereference without previous ref
public void ReadPackedReferences_Errors(string content)
{
Assert.Throws <InvalidDataException>(() => GitReferenceResolver.ReadPackedReferences(new StringReader(content), "<path>"));
}
public void ReadPackedReferences_Empty(string content)
{
Assert.Empty(GitReferenceResolver.ReadPackedReferences(new StringReader(content), "<path>"));
}
