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Test Push with a custom backend #509

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Sep 9, 2013
Merged

Test Push with a custom backend #509

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60 changes: 52 additions & 8 deletions LibGit2Sharp.Tests/OdbBackendFixture.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ public class OdbBackendFixture : BaseFixture
{
private const string content = "test\n";

private static void AddCommitToRepo(Repository repo)
private static Commit AddCommitToRepo(Repository repo)
{
string relativeFilepath = "test.txt";
Touch(repo.Info.WorkingDirectory, relativeFilepath, content);
Expand All @@ -23,7 +23,7 @@ private static void AddCommitToRepo(Repository repo)
Assert.Equal("9daeafb9864cf43055ae93beb0afd6c7d144bfa4", ie.Id.Sha);

var author = new Signature("nulltoken", "emeric.fermas@gmail.com", DateTimeOffset.Parse("Wed, Dec 14 2011 08:29:03 +0100"));
repo.Commit("Initial commit", author, author);
var commit = repo.Commit("Initial commit", author, author);

relativeFilepath = "big.txt";
var zeros = new string('0', 32*1024 + 3);
Expand All @@ -33,6 +33,8 @@ private static void AddCommitToRepo(Repository repo)
ie = repo.Index[relativeFilepath];
Assert.NotNull(ie);
Assert.Equal("6518215c4274845a759cb498998fe696c42e3e0f", ie.Id.Sha);

return commit;
}

private static void AssertGeneratedShas(Repository repo)
Expand Down Expand Up @@ -147,6 +149,34 @@ public void CanEnumerateTheContentOfTheObjectDatabase()
}
}

[Fact]
public void CanPushWithACustomBackend()
{
string remoteRepoPath = InitNewRepository(true);
string localRepoPath = InitNewRepository();
Commit commit;

using (var localRepo = new Repository(localRepoPath))
{
localRepo.ObjectDatabase.AddBackend(new MockOdbBackend(), 5);

commit = AddCommitToRepo(localRepo);

Remote remote = localRepo.Network.Remotes.Add("origin", remoteRepoPath);

localRepo.Branches.Update(localRepo.Head,
b => b.Remote = remote.Name,
b => b.UpstreamBranch = localRepo.Head.CanonicalName);

localRepo.Network.Push(localRepo.Head);
}

using (var remoteRepo = new Repository(remoteRepoPath))
{
Assert.Equal(commit, remoteRepo.Head.Tip);
}
}

#region MockOdbBackend

private class MockOdbBackend : OdbBackend
Expand All @@ -160,7 +190,8 @@ protected override OdbBackendOperations SupportedOperations
OdbBackendOperations.Write |
OdbBackendOperations.WriteStream |
OdbBackendOperations.Exists |
OdbBackendOperations.ForEach;
OdbBackendOperations.ForEach |
OdbBackendOperations.ReadHeader;
}
}

Expand Down Expand Up @@ -270,16 +301,29 @@ public override bool Exists(ObjectId oid)
return m_objectIdToContent.ContainsKey(oid);
}

public override int ReadHeader(ObjectId oid, out int length, out ObjectType objectType)
{
objectType = default(ObjectType);
length = 0;

MockGitObject gitObject;

if (!m_objectIdToContent.TryGetValue(oid, out gitObject))
{
return (int)ReturnCode.GIT_ENOTFOUND;
}

objectType = gitObject.ObjectType;
length = (int)gitObject.Length;

return (int)ReturnCode.GIT_OK;
}

private readonly Dictionary<ObjectId, MockGitObject> m_objectIdToContent =
new Dictionary<ObjectId, MockGitObject>();

#region Unimplemented

public override int ReadHeader(ObjectId oid, out int length, out ObjectType objectType)
{
throw new NotImplementedException();
}

public override int ReadStream(ObjectId oid, out OdbBackendStream stream)
{
throw new NotImplementedException();
Expand Down