/
ObjectDatabaseFixture.cs
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/
ObjectDatabaseFixture.cs
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using System.IO;
using LibGit2Sharp.Tests.TestHelpers;
using Xunit;
using Xunit.Extensions;
namespace LibGit2Sharp.Tests
{
public class ObjectDatabaseFixture : BaseFixture
{
[Theory]
[InlineData("8496071c1b46c854b31185ea97743be6a8774479", true)]
[InlineData("1385f264afb75a56a5bec74243be9b367ba4ca08", true)]
[InlineData("ce08fe4884650f067bd5703b6a59a8b3b3c99a09", false)]
[InlineData("deadbeefdeadbeefdeadbeefdeadbeefdeadbeef", false)]
public void CanTellIfObjectsExists(string sha, bool shouldExists)
{
using (var repo = new Repository(BareTestRepoPath))
{
var oid = new ObjectId(sha);
Assert.Equal(shouldExists, repo.ObjectDatabase.Contains(oid));
}
}
[Fact]
public void CanCreateABlobFromAFileInTheWorkingDirectory()
{
TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo(StandardTestRepoWorkingDirPath);
using (var repo = new Repository(scd.DirectoryPath))
{
Assert.Equal(FileStatus.Nonexistent, repo.Index.RetrieveStatus("hello.txt"));
File.AppendAllText(Path.Combine(repo.Info.WorkingDirectory, "hello.txt"), "I'm a new file\n");
Blob blob = repo.ObjectDatabase.CreateBlob("hello.txt");
Assert.NotNull(blob);
Assert.Equal("dc53d4c6b8684c21b0b57db29da4a2afea011565", blob.Sha);
/* The file is unknown from the Index nor the Head ... */
Assert.Equal(FileStatus.Untracked, repo.Index.RetrieveStatus("hello.txt"));
/* ...however, it's indeed stored in the repository. */
var fetchedBlob = repo.Lookup<Blob>(blob.Id);
Assert.Equal(blob, fetchedBlob);
}
}
[Fact]
public void CanCreateABlobIntoTheDatabaseOfABareRepository()
{
TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo();
SelfCleaningDirectory directory = BuildSelfCleaningDirectory();
Directory.CreateDirectory(directory.RootedDirectoryPath);
string filepath = Path.Combine(directory.RootedDirectoryPath, "hello.txt");
File.WriteAllText(filepath, "I'm a new file\n");
using (var repo = new Repository(scd.RepositoryPath))
{
/*
* $ echo "I'm a new file" | git hash-object --stdin
* dc53d4c6b8684c21b0b57db29da4a2afea011565
*/
Assert.Null(repo.Lookup<Blob>("dc53d4c6b8684c21b0b57db29da4a2afea011565"));
Blob blob = repo.ObjectDatabase.CreateBlob(filepath);
Assert.NotNull(blob);
Assert.Equal("dc53d4c6b8684c21b0b57db29da4a2afea011565", blob.Sha);
Assert.Equal("I'm a new file\n", blob.ContentAsUtf8());
var fetchedBlob = repo.Lookup<Blob>(blob.Id);
Assert.Equal(blob, fetchedBlob);
}
}
[Theory]
[InlineData("README")]
[InlineData("README AS WELL")]
[InlineData("2/README AS WELL")]
[InlineData("1/README AS WELL")]
[InlineData("1")]
public void CanCreateATreeByAlteringAnExistingOne(string targetPath)
{
TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo();
using (var repo = new Repository(scd.RepositoryPath))
{
var blob = repo.Lookup<Blob>(new ObjectId("a8233120f6ad708f843d861ce2b7228ec4e3dec6"));
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree)
.Add(targetPath, blob, Mode.NonExecutableFile);
Tree tree = repo.ObjectDatabase.CreateTree(td);
Assert.NotNull(tree);
}
}
[Fact]
public void CanCreateATreeByRemovingEntriesFromExistingOne()
{
TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo();
using (var repo = new Repository(scd.RepositoryPath))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree)
.Remove("branch_file.txt")
.Remove("1/branch_file.txt");
Tree tree = repo.ObjectDatabase.CreateTree(td);
Assert.NotNull(tree);
Assert.Null(tree["branch_file.txt"]);
Assert.Null(tree["1/branch_file.txt"]);
Assert.Null(tree["1"]);
Assert.Equal("814889a078c031f61ed08ab5fa863aea9314344d", tree.Sha);
}
}
[Fact]
public void RemovingANonExistingEntryFromATreeDefinitionHasNoSideEffect()
{
TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo();
using (var repo = new Repository(scd.RepositoryPath))
{
Tree head = repo.Head.Tip.Tree;
TreeDefinition td = TreeDefinition.From(head)
.Remove("123")
.Remove("nope")
.Remove("not/here")
.Remove("neither/in/here")
.Remove("README/is/a-Blob/not-a-Tree");
Tree tree = repo.ObjectDatabase.CreateTree(td);
Assert.NotNull(tree);
Assert.Equal(head, tree);
}
}
[Fact]
public void CanCreateAnEmptyTree()
{
TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo();
using (var repo = new Repository(scd.RepositoryPath))
{
var td = new TreeDefinition();
Tree tree = repo.ObjectDatabase.CreateTree(td);
Assert.NotNull(tree);
Assert.Equal("4b825dc642cb6eb9a060e54bf8d69288fbee4904", tree.Sha);
}
}
[Fact]
public void CanReplaceAnExistingTreeWithAnotherPersitedTree()
{
TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo();
using (var repo = new Repository(scd.RepositoryPath))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Equal(GitObjectType.Tree, td["1"].Type);
TreeDefinition newTd = new TreeDefinition()
.Add("new/one", repo.Lookup<Blob>("a823312"), Mode.NonExecutableFile)
.Add("new/two", repo.Lookup<Blob>("a71586c"), Mode.NonExecutableFile)
.Add("new/tree", repo.Lookup<Tree>("7f76480"));
repo.ObjectDatabase.CreateTree(newTd);
td.Add("1", newTd["new"]);
Assert.Equal(GitObjectType.Tree, td["1/tree"].Type);
}
}
[Fact]
public void CanCreateATreeContainingABlobFromAFileInTheWorkingDirectory()
{
TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo(StandardTestRepoWorkingDirPath);
using (var repo = new Repository(scd.DirectoryPath))
{
Assert.Equal(FileStatus.Nonexistent, repo.Index.RetrieveStatus("hello.txt"));
File.AppendAllText(Path.Combine(repo.Info.WorkingDirectory, "hello.txt"), "I'm a new file\n");
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree)
.Add("1/new file", "hello.txt", Mode.NonExecutableFile);
TreeEntryDefinition ted = td["1/new file"];
Assert.NotNull(ted);
Assert.Equal(ObjectId.Zero, ted.TargetId);
td.Add("1/2/another new file", ted);
Tree tree = repo.ObjectDatabase.CreateTree(td);
TreeEntry te = tree["1/new file"];
Assert.NotNull(te.Target);
Assert.Equal("dc53d4c6b8684c21b0b57db29da4a2afea011565", te.Target.Sha);
Assert.Equal("dc53d4c6b8684c21b0b57db29da4a2afea011565", td["1/new file"].TargetId.Sha);
te = tree["1/2/another new file"];
Assert.NotNull(te.Target);
Assert.Equal("dc53d4c6b8684c21b0b57db29da4a2afea011565", te.Target.Sha);
Assert.Equal("dc53d4c6b8684c21b0b57db29da4a2afea011565", td["1/2/another new file"].TargetId.Sha);
}
}
[Fact]
public void CanCreateACommit()
{
TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo();
using (var repo = new Repository(scd.RepositoryPath))
{
Branch head = repo.Head;
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
td.Add("1/2/readme", td["README"]);
Tree tree = repo.ObjectDatabase.CreateTree(td);
Commit commit = repo.ObjectDatabase.CreateCommit("message", DummySignature, DummySignature, tree, new[] { repo.Head.Tip });
Branch newHead = repo.Head;
Assert.Equal(head, newHead);
Assert.Equal(commit, repo.Lookup<Commit>(commit.Sha));
}
}
}
}