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TreeDefinitionFixture.cs
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using System;
using LibGit2Sharp.Tests.TestHelpers;
using Xunit;
using Xunit.Extensions;
namespace LibGit2Sharp.Tests
{
public class TreeDefinitionFixture : BaseFixture
{
/*
* $ git ls-tree -r HEAD
* 100755 blob 45b983be36b73c0788dc9cbcb76cbb80fc7bb057 1/branch_file.txt
* 100644 blob a8233120f6ad708f843d861ce2b7228ec4e3dec6 README
* 100644 blob 45b983be36b73c0788dc9cbcb76cbb80fc7bb057 branch_file.txt
* 100644 blob a71586c1dfe8a71c6cbf6c129f404c5642ff31bd new.txt
*/
[Fact]
public void CanBuildATreeDefinitionFromATree()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.NotNull(td);
}
}
[Fact]
public void BuildingATreeDefinitionWithBadParamsThrows()
{
Assert.Throws<ArgumentNullException>(() => TreeDefinition.From(default(Tree)));
}
[Fact]
public void RequestingANonExistingEntryReturnsNull()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Null(td["nope"]);
Assert.Null(td["not/here"]);
Assert.Null(td["neither/in/here"]);
Assert.Null(td["README/is/a-Blob/not-a-Tree"]);
}
}
[Fact]
public void RequestingAnEntryWithBadParamsThrows()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Throws<ArgumentNullException>(() => td[null]);
Assert.Throws<ArgumentException>(() => td[string.Empty]);
Assert.Throws<ArgumentException>(() => td["/"]);
Assert.Throws<ArgumentException>(() => td["/a"]);
Assert.Throws<ArgumentException>(() => td["1//branch_file.txt"]);
Assert.Throws<ArgumentException>(() => td["README/"]);
Assert.Throws<ArgumentException>(() => td["1/"]);
}
}
[Theory]
[InlineData("1/branch_file.txt", "100755", TreeEntryTargetType.Blob, "45b983be36b73c0788dc9cbcb76cbb80fc7bb057")]
[InlineData("README", "100644", TreeEntryTargetType.Blob, "a8233120f6ad708f843d861ce2b7228ec4e3dec6")]
[InlineData("branch_file.txt", "100644", TreeEntryTargetType.Blob, "45b983be36b73c0788dc9cbcb76cbb80fc7bb057")]
[InlineData("new.txt", "100644", TreeEntryTargetType.Blob, "a71586c1dfe8a71c6cbf6c129f404c5642ff31bd")]
[InlineData("1", "040000", TreeEntryTargetType.Tree, "7f76480d939dc401415927ea7ef25c676b8ddb8f")]
public void CanRetrieveEntries(string path, string expectedAttributes, TreeEntryTargetType expectedType, string expectedSha)
{
string repoPath = SandboxBareTestRepo();
using (var repo = new Repository(repoPath))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
TreeEntryDefinition ted = td[path];
Assert.Equal(ToMode(expectedAttributes), ted.Mode);
Assert.Equal(expectedType, ted.TargetType);
Assert.Equal(new ObjectId(expectedSha), ted.TargetId);
}
}
//TODO: Convert Mode to a static class and add this helper method as 'FromString()'
private static Mode ToMode(string expectedAttributes)
{
return (Mode)Convert.ToInt32(expectedAttributes, 8);
}
[Theory]
[InlineData("README", "README_TOO")]
[InlineData("README", "1/README")]
[InlineData("README", "1/2/README")]
[InlineData("1/branch_file.txt", "1/another_one.txt")]
[InlineData("1/branch_file.txt", "another_one.txt")]
[InlineData("1/branch_file.txt", "1/2/another_one.txt")]
[InlineData("1/branch_file.txt", "1/2/3/another_one.txt")]
[InlineData("1", "2")]
[InlineData("1", "2/3")]
public void CanAddAnExistingTreeEntryDefinition(string sourcePath, string targetPath)
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Null(td[targetPath]);
TreeEntryDefinition ted = td[sourcePath];
td.Add(targetPath, ted);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(ted, fetched);
}
}
[Fact]
public void CanAddAnExistingGitLinkTreeEntryDefinition()
{
const string sourcePath = "sm_unchanged";
const string targetPath = "sm_from_td";
var path = SandboxSubmoduleTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Null(td[targetPath]);
TreeEntryDefinition ted = td[sourcePath];
td.Add(targetPath, ted);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(ted, fetched);
}
}
private const string StringOf40Chars = "0123456789012345678901234567890123456789";
/// <summary>
/// Used to verify that windows path limitation to 260 chars is not limiting the size of
/// the keys present in the object database.
/// </summary>
private const string StringOf600Chars =
StringOf40Chars + StringOf40Chars + StringOf40Chars + StringOf40Chars + StringOf40Chars
+ StringOf40Chars + StringOf40Chars + StringOf40Chars + StringOf40Chars + StringOf40Chars
+ StringOf40Chars + StringOf40Chars + StringOf40Chars + StringOf40Chars + StringOf40Chars;
[Theory]
[InlineData("README", "README_TOO")]
[InlineData("README", "1/README")]
[InlineData("README", "1/2/README")]
[InlineData("1/branch_file.txt", "1/another_one.txt")]
[InlineData("1/branch_file.txt", "another_one.txt")]
[InlineData("1/branch_file.txt", "1/2/another_one.txt")]
[InlineData("1/branch_file.txt", "1/2/3/another_one.txt")]
[InlineData("1", "2")]
[InlineData("1", "2/3")]
[InlineData("1", "C:\\/10")]
[InlineData("1", " : * ? \" < > |")]
[InlineData("1", StringOf600Chars)]
public void CanAddAndRemoveAnExistingTreeEntry(string sourcePath, string targetPath)
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
var tree = repo.Head.Tip.Tree;
var td = TreeDefinition.From(tree);
Assert.Null(td[targetPath]);
var te = tree[sourcePath];
td.Add(targetPath, te);
var fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(te.Target.Id, fetched.TargetId);
// Ensuring that the object database can handle uncommon paths.
var newTree = repo.ObjectDatabase.CreateTree(td);
Assert.Equal(newTree[targetPath].Target.Id, te.Target.Id);
td.Remove(targetPath);
Assert.Null(td[targetPath]);
}
}
[Theory]
[InlineData("C:\\")]
[InlineData(" : * ? \" \n < > |")]
[InlineData("a\\b")]
[InlineData("\\\\b\a")]
[InlineData("éàµ")]
[InlineData(StringOf600Chars)]
public void TreeNamesCanContainCharsForbiddenOnSomeOS(string targetName)
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
var pointedItem = repo.Head.Tip.Tree;
var td = new TreeDefinition();
td.Add(targetName, pointedItem);
var newTree = repo.ObjectDatabase.CreateTree(td);
Assert.Equal(newTree[targetName].Target.Sha, pointedItem.Sha);
Assert.Equal(newTree[targetName].Name, targetName);
}
}
[Theory]
[InlineData("sm_from_td")]
[InlineData("1/sm_from_td")]
[InlineData("1/2/sm_from_td")]
public void CanAddAnExistingGitLinkTreeEntry(string targetPath)
{
const string sourcePath = "sm_unchanged";
var path = SandboxSubmoduleTestRepo();
using (var repo = new Repository(path))
{
var tree = repo.Head.Tip.Tree;
var td = TreeDefinition.From(tree);
Assert.Null(td[targetPath]);
var te = tree[sourcePath];
td.Add(targetPath, te);
var fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(te.Target.Id, fetched.TargetId);
}
}
[Theory]
[InlineData("a8233120f6ad708f843d861ce2b7228ec4e3dec6", "README_TOO")]
[InlineData("a8233120f6ad708f843d861ce2b7228ec4e3dec6", "1/README")]
[InlineData("45b983be36b73c0788dc9cbcb76cbb80fc7bb057", "1/another_one.txt")]
[InlineData("45b983be36b73c0788dc9cbcb76cbb80fc7bb057", "another_one.txt")]
public void CanAddAnExistingBlob(string blobSha, string targetPath)
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Null(td[targetPath]);
var objectId = new ObjectId(blobSha);
var blob = repo.Lookup<Blob>(objectId);
td.Add(targetPath, blob, Mode.NonExecutableFile);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(objectId, fetched.TargetId);
Assert.Equal(Mode.NonExecutableFile, fetched.Mode);
}
}
[Theory]
[InlineData("a8233120f6ad708f843d861ce2b7228ec4e3dec6", "README_TOO")]
[InlineData("a8233120f6ad708f843d861ce2b7228ec4e3dec6", "1/README")]
[InlineData("45b983be36b73c0788dc9cbcb76cbb80fc7bb057", "1/another_one.txt")]
[InlineData("45b983be36b73c0788dc9cbcb76cbb80fc7bb057", "another_one.txt")]
public void CanAddBlobById(string blobSha, string targetPath)
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Null(td[targetPath]);
var objectId = new ObjectId(blobSha);
td.Add(targetPath, objectId, Mode.NonExecutableFile);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(objectId, fetched.TargetId);
Assert.Equal(Mode.NonExecutableFile, fetched.Mode);
}
}
[Fact]
public void CannotAddTreeById()
{
const string treeSha = "7f76480d939dc401415927ea7ef25c676b8ddb8f";
const string targetPath = "1/2";
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Null(td[targetPath]);
var objectId = new ObjectId(treeSha);
Assert.Throws<ArgumentException>(() => td.Add(targetPath, objectId, Mode.Directory));
}
}
[Fact]
public void CanAddAnExistingSubmodule()
{
const string submodulePath = "sm_unchanged";
var path = SandboxSubmoduleTestRepo();
using (var repo = new Repository(path))
{
var submodule = repo.Submodules[submodulePath];
Assert.NotNull(submodule);
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.NotNull(td[submodulePath]);
td.Remove(submodulePath);
Assert.Null(td[submodulePath]);
td.Add(submodule);
TreeEntryDefinition fetched = td[submodulePath];
Assert.NotNull(fetched);
Assert.Equal(submodule.HeadCommitId, fetched.TargetId);
Assert.Equal(TreeEntryTargetType.GitLink, fetched.TargetType);
Assert.Equal(Mode.GitLink, fetched.Mode);
}
}
[Fact]
public void CanAddAnExistingTree()
{
const string treeSha = "7f76480d939dc401415927ea7ef25c676b8ddb8f";
const string targetPath = "1/2";
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
var objectId = new ObjectId(treeSha);
var tree = repo.Lookup<Tree>(objectId);
td.Add(targetPath, tree);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(objectId, fetched.TargetId);
Assert.Equal(Mode.Directory, fetched.Mode);
Assert.NotNull(td["1/2/branch_file.txt"]);
}
}
[Fact]
public void CanReplaceAnExistingTreeWithABlob()
{
const string blobSha = "a8233120f6ad708f843d861ce2b7228ec4e3dec6";
const string targetPath = "1";
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Equal(TreeEntryTargetType.Tree, td[targetPath].TargetType);
var objectId = new ObjectId(blobSha);
var blob = repo.Lookup<Blob>(objectId);
Assert.NotNull(td["1/branch_file.txt"]);
td.Add(targetPath, blob, Mode.NonExecutableFile);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(TreeEntryTargetType.Blob, td[targetPath].TargetType);
Assert.Equal(objectId, fetched.TargetId);
Assert.Equal(Mode.NonExecutableFile, fetched.Mode);
Assert.Null(td["1/branch_file.txt"]);
}
}
[Theory]
[InlineData("README")]
[InlineData("1/branch_file.txt")]
public void CanReplaceAnExistingBlobWithATree(string targetPath)
{
const string treeSha = "7f76480d939dc401415927ea7ef25c676b8ddb8f";
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.NotNull(td[targetPath]);
Assert.Equal(TreeEntryTargetType.Blob, td[targetPath].TargetType);
var objectId = new ObjectId(treeSha);
var tree = repo.Lookup<Tree>(objectId);
td.Add(targetPath, tree);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(TreeEntryTargetType.Tree, td[targetPath].TargetType);
Assert.Equal(objectId, fetched.TargetId);
Assert.Equal(Mode.Directory, fetched.Mode);
}
}
[Fact]
public void CanReplaceAnExistingTreeWithAGitLink()
{
var commitId = (ObjectId)"480095882d281ed676fe5b863569520e54a7d5c0";
const string targetPath = "just_a_dir";
var path = SandboxSubmoduleTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Equal(TreeEntryTargetType.Tree, td[targetPath].TargetType);
Assert.NotNull(td["just_a_dir/contents"]);
td.AddGitLink(targetPath, commitId);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(commitId, fetched.TargetId);
Assert.Equal(TreeEntryTargetType.GitLink, fetched.TargetType);
Assert.Equal(Mode.GitLink, fetched.Mode);
Assert.Null(td["just_a_dir/contents"]);
}
}
[Fact]
public void CanReplaceAnExistingGitLinkWithATree()
{
const string treeSha = "607d96653d4d0a4f733107f7890c2e67b55b620d";
const string targetPath = "sm_unchanged";
var path = SandboxSubmoduleTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.NotNull(td[targetPath]);
Assert.Equal(TreeEntryTargetType.GitLink, td[targetPath].TargetType);
Assert.Equal(Mode.GitLink, td[targetPath].Mode);
var objectId = new ObjectId(treeSha);
var tree = repo.Lookup<Tree>(objectId);
td.Add(targetPath, tree);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(objectId, fetched.TargetId);
Assert.Equal(TreeEntryTargetType.Tree, fetched.TargetType);
Assert.Equal(Mode.Directory, fetched.Mode);
}
}
[Fact]
public void CanReplaceAnExistingBlobWithAGitLink()
{
var commitId = (ObjectId)"480095882d281ed676fe5b863569520e54a7d5c0";
const string targetPath = "just_a_file";
var path = SandboxSubmoduleTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.NotNull(td[targetPath]);
Assert.Equal(TreeEntryTargetType.Blob, td[targetPath].TargetType);
td.AddGitLink(targetPath, commitId);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(TreeEntryTargetType.GitLink, td[targetPath].TargetType);
Assert.Equal(commitId, fetched.TargetId);
Assert.Equal(Mode.GitLink, fetched.Mode);
}
}
[Fact]
public void CanReplaceAnExistingGitLinkWithABlob()
{
const string blobSha = "42cfb95cd01bf9225b659b5ee3edcc78e8eeb478";
const string targetPath = "sm_unchanged";
var path = SandboxSubmoduleTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.NotNull(td[targetPath]);
Assert.Equal(TreeEntryTargetType.GitLink, td[targetPath].TargetType);
Assert.Equal(Mode.GitLink, td[targetPath].Mode);
var objectId = new ObjectId(blobSha);
var blob = repo.Lookup<Blob>(objectId);
td.Add(targetPath, blob, Mode.NonExecutableFile);
TreeEntryDefinition fetched = td[targetPath];
Assert.NotNull(fetched);
Assert.Equal(objectId, fetched.TargetId);
Assert.Equal(TreeEntryTargetType.Blob, fetched.TargetType);
Assert.Equal(Mode.NonExecutableFile, fetched.Mode);
}
}
[Fact]
public void CanNotReplaceAnExistingTreeWithATreeBeingAssembled()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
Assert.Equal(TreeEntryTargetType.Tree, td["1"].TargetType);
td.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"));
Assert.Throws<InvalidOperationException>(() => td.Add("1", td["new"]));
}
}
[Fact]
public void ModifyingTheContentOfATreeSetsItsOidToNull()
{
const string blobSha = "a8233120f6ad708f843d861ce2b7228ec4e3dec6";
const string targetPath = "1/another_branch_file.txt";
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
var objectId = new ObjectId(blobSha);
var blob = repo.Lookup<Blob>(objectId);
Assert.NotEqual(ObjectId.Zero, td["1"].TargetId);
td.Add(targetPath, blob, Mode.NonExecutableFile);
Assert.Equal(ObjectId.Zero, td["1"].TargetId);
}
}
[Fact]
public void CanAddAnExistingBlobEntryWithAnExistingTree()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
TreeDefinition td = TreeDefinition.From(repo.Head.Tip.Tree);
TreeEntryDefinition original = td["README"];
td.Add("1/2/README", original);
TreeEntryDefinition fetched = td["1/2/README"];
Assert.NotNull(fetched);
Assert.Equal(original.TargetId, fetched.TargetId);
Assert.Equal(original.Mode, fetched.Mode);
Assert.NotNull(td["1/branch_file.txt"]);
}
}
}
}