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BranchFixture.cs
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BranchFixture.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using LibGit2Sharp.Tests.TestHelpers;
using Xunit;
using Xunit.Extensions;
namespace LibGit2Sharp.Tests
{
public class BranchFixture : BaseFixture
{
private readonly string[] expectedBranches = new[] { "br2", "master", "packed", "packed-test", "test", };
[Theory]
[InlineData("unit_test")]
[InlineData("Ångström")]
public void CanCreateBranch(string name)
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path, new RepositoryOptions { Identity = Constants.Identity }))
{
EnableRefLog(repo);
const string committish = "be3563ae3f795b2b4353bcce3a527ad0a4f7f644";
var before = DateTimeOffset.Now.TruncateMilliseconds();
Branch newBranch = repo.CreateBranch(name, committish);
Assert.NotNull(newBranch);
Assert.Equal(name, newBranch.FriendlyName);
Assert.Equal("refs/heads/" + name, newBranch.CanonicalName);
Assert.NotNull(newBranch.Tip);
Assert.Equal(committish, newBranch.Tip.Sha);
// Note the call to String.Normalize(). This is because, on Mac OS X, the filesystem
// decomposes the UTF-8 characters on write, which results in a different set of bytes
// when they're read back:
// - from InlineData: C5-00-6E-00-67-00-73-00-74-00-72-00-F6-00-6D-00
// - from filesystem: 41-00-0A-03-6E-00-67-00-73-00-74-00-72-00-6F-00-08-03-6D-00
Assert.NotNull(repo.Branches.SingleOrDefault(p => p.FriendlyName.Normalize() == name));
AssertRefLogEntry(repo, newBranch.CanonicalName,
"branch: Created from " + committish,
null,
newBranch.Tip.Id,
Constants.Identity, before);
repo.Branches.Remove(newBranch.FriendlyName);
Assert.Null(repo.Branches[name]);
}
}
[Fact]
public void CanCreateAnUnbornBranch()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
// No branch named orphan
Assert.Null(repo.Branches["orphan"]);
// HEAD doesn't point to an unborn branch
Assert.False(repo.Info.IsHeadUnborn);
// Let's move the HEAD to this branch to be created
repo.Refs.UpdateTarget("HEAD", "refs/heads/orphan");
Assert.True(repo.Info.IsHeadUnborn);
// The branch still doesn't exist
Assert.Null(repo.Branches["orphan"]);
// Create a commit against HEAD
Commit c = repo.Commit("New initial root commit", Constants.Signature, Constants.Signature);
// Ensure this commit has no parent
Assert.Equal(0, c.Parents.Count());
// The branch now exists...
Branch orphan = repo.Branches["orphan"];
Assert.NotNull(orphan);
AssertBelongsToARepository(repo, orphan);
// ...and points to that newly created commit
Assert.Equal(c, orphan.Tip);
}
}
[Fact]
public void CanCreateBranchUsingAbbreviatedSha()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path, new RepositoryOptions{ Identity = Constants.Identity }))
{
EnableRefLog(repo);
const string name = "unit_test";
const string committish = "be3563a";
var before = DateTimeOffset.Now.TruncateMilliseconds();
Branch newBranch = repo.CreateBranch(name, committish);
Assert.Equal("refs/heads/" + name, newBranch.CanonicalName);
Assert.Equal("be3563ae3f795b2b4353bcce3a527ad0a4f7f644", newBranch.Tip.Sha);
AssertRefLogEntry(repo, newBranch.CanonicalName,
"branch: Created from " + committish,
null,
newBranch.Tip.Id,
Constants.Identity, before);
}
}
[Theory]
[InlineData("32eab9cb1f450b5fe7ab663462b77d7f4b703344")]
[InlineData("master")]
public void CanCreateBranchFromImplicitHead(string headCommitOrBranchSpec)
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path, new RepositoryOptions { Identity = Constants.Identity }))
{
EnableRefLog(repo);
repo.Checkout(headCommitOrBranchSpec);
const string name = "unit_test";
var before = DateTimeOffset.Now.TruncateMilliseconds();
Branch newBranch = repo.CreateBranch(name);
Assert.NotNull(newBranch);
Assert.Equal(name, newBranch.FriendlyName);
Assert.Equal("refs/heads/" + name, newBranch.CanonicalName);
Assert.False(newBranch.IsCurrentRepositoryHead);
Assert.NotNull(newBranch.Tip);
Assert.Equal("32eab9cb1f450b5fe7ab663462b77d7f4b703344", newBranch.Tip.Sha);
Assert.NotNull(repo.Branches.SingleOrDefault(p => p.FriendlyName == name));
AssertRefLogEntry(repo, newBranch.CanonicalName,
"branch: Created from " + headCommitOrBranchSpec,
null,
newBranch.Tip.Id,
Constants.Identity, before);
}
}
[Theory]
[InlineData("32eab9cb1f450b5fe7ab663462b77d7f4b703344")]
[InlineData("master")]
public void CanCreateBranchFromExplicitHead(string headCommitOrBranchSpec)
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path, new RepositoryOptions { Identity = Constants.Identity }))
{
EnableRefLog(repo);
repo.Checkout(headCommitOrBranchSpec);
const string name = "unit_test";
var before = DateTimeOffset.Now.TruncateMilliseconds();
Branch newBranch = repo.CreateBranch(name, "HEAD");
Assert.NotNull(newBranch);
Assert.Equal("32eab9cb1f450b5fe7ab663462b77d7f4b703344", newBranch.Tip.Sha);
AssertRefLogEntry(repo, newBranch.CanonicalName,
"branch: Created from HEAD",
null,
newBranch.Tip.Id,
Constants.Identity, before);
}
}
[Fact]
public void CanCreateBranchFromCommit()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path, new RepositoryOptions { Identity = Constants.Identity }))
{
EnableRefLog(repo);
const string name = "unit_test";
var commit = repo.Lookup<Commit>("HEAD");
var before = DateTimeOffset.Now.TruncateMilliseconds();
Branch newBranch = repo.CreateBranch(name, commit);
Assert.NotNull(newBranch);
Assert.Equal("4c062a6361ae6959e06292c1fa5e2822d9c96345", newBranch.Tip.Sha);
AssertRefLogEntry(repo, newBranch.CanonicalName,
"branch: Created from " + newBranch.Tip.Sha,
null,
newBranch.Tip.Id,
Constants.Identity, before);
}
}
[Fact]
public void CanCreateBranchFromRevparseSpec()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path, new RepositoryOptions { Identity = Constants.Identity }))
{
EnableRefLog(repo);
const string name = "revparse_branch";
const string committish = "master~2";
var before = DateTimeOffset.Now.TruncateMilliseconds();
Branch newBranch = repo.CreateBranch(name, committish);
Assert.NotNull(newBranch);
Assert.Equal("9fd738e8f7967c078dceed8190330fc8648ee56a", newBranch.Tip.Sha);
AssertRefLogEntry(repo, newBranch.CanonicalName,
"branch: Created from " + committish,
null,
newBranch.Tip.Id,
Constants.Identity, before);
}
}
[Theory]
[InlineData("test")]
[InlineData("refs/tags/test")]
public void CreatingABranchFromATagPeelsToTheCommit(string committish)
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path, new RepositoryOptions { Identity = Constants.Identity }))
{
EnableRefLog(repo);
const string name = "i-peel-tag";
var before = DateTimeOffset.Now.TruncateMilliseconds();
Branch newBranch = repo.CreateBranch(name, committish);
Assert.NotNull(newBranch);
Assert.Equal("e90810b8df3e80c413d903f631643c716887138d", newBranch.Tip.Sha);
AssertRefLogEntry(repo, newBranch.CanonicalName,
"branch: Created from " + committish,
null,
newBranch.Tip.Id,
Constants.Identity, before);
}
}
[Fact]
public void CreatingABranchTriggersTheCreationOfADirectReference()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Branch newBranch = repo.CreateBranch("clone-of-master");
Assert.False(newBranch.IsCurrentRepositoryHead);
ObjectId commitId = repo.Head.Tip.Id;
Assert.Equal(commitId, newBranch.Tip.Id);
Reference reference = repo.Refs[newBranch.CanonicalName];
Assert.NotNull(reference);
Assert.IsType(typeof(DirectReference), reference);
}
}
[Fact]
public void CreatingABranchFromANonCommitObjectThrows()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
const string name = "sorry-dude-i-do-not-do-blobs-nor-trees";
Assert.Throws<InvalidSpecificationException>(() => repo.CreateBranch(name, "refs/tags/point_to_blob"));
Assert.Throws<InvalidSpecificationException>(() => repo.CreateBranch(name, "53fc32d"));
Assert.Throws<InvalidSpecificationException>(() => repo.CreateBranch(name, "0266163"));
}
}
[Fact]
public void CreatingBranchWithUnknownNamedTargetThrows()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Assert.Throws<NotFoundException>(() => repo.Branches.Add("my_new_branch", "my_old_branch"));
}
}
[Fact]
public void CreatingBranchWithUnknownShaTargetThrows()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Assert.Throws<NotFoundException>(() => repo.Branches.Add("my_new_branch", Constants.UnknownSha));
Assert.Throws<NotFoundException>(() => repo.Branches.Add("my_new_branch", Constants.UnknownSha.Substring(0, 7)));
}
}
[Fact]
public void CreatingBranchWithBadParamsThrows()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Assert.Throws<ArgumentNullException>(() => repo.Branches.Add(null, repo.Head.CanonicalName));
Assert.Throws<ArgumentException>(() => repo.Branches.Add(string.Empty, repo.Head.CanonicalName));
Assert.Throws<ArgumentNullException>(() => repo.Branches.Add("bad_branch", default(string)));
Assert.Throws<ArgumentException>(() => repo.Branches.Add("bad_branch", string.Empty));
Assert.Throws<ArgumentNullException>(() => repo.CreateBranch("bad_branch", default(Commit)));
}
}
[Fact]
public void CanListAllBranches()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Assert.Equal(expectedBranches, SortedBranches(repo.Branches, b => b.FriendlyName));
Assert.Equal(5, repo.Branches.Count());
}
}
[Fact]
public void CanListBranchesWithRemoteAndLocalBranchWithSameShortName()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
// Create a local branch with the same short name as a remote branch.
repo.Branches.Add("origin/master", repo.Branches["origin/test"].Tip);
var expectedWdBranches = new[]
{
"diff-test-cases", "i-do-numbers", "logo", "master", "origin/master", "track-local", "treesame_as_32eab"
};
Assert.Equal(expectedWdBranches,
SortedBranches(repo.Branches.Where(b => !b.IsRemote), b => b.FriendlyName));
}
}
[Fact]
public void CanListAllBranchesWhenGivenWorkingDir()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
var expectedWdBranches = new[]
{
"diff-test-cases", "i-do-numbers", "logo", "master", "track-local", "treesame_as_32eab",
"origin/HEAD", "origin/br2", "origin/master", "origin/packed-test",
"origin/test"
};
Assert.Equal(expectedWdBranches, SortedBranches(repo.Branches, b => b.FriendlyName));
}
}
[Fact]
public void CanListAllBranchesIncludingRemoteRefs()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
var expectedBranchesIncludingRemoteRefs = new[]
{
new { Name = "diff-test-cases", Sha = "e7039e6d0e7dd4d4c1e2e8e5aa5306b2776436ca", IsRemote = false },
new { Name = "i-do-numbers", Sha = "7252fe2da2c4dd6d85231a150d0485ec46abaa7a", IsRemote = false },
new { Name = "logo", Sha = "a447ba2ca8fffd46dece72f7db6faf324afb8fcd", IsRemote = false },
new { Name = "master", Sha = "32eab9cb1f450b5fe7ab663462b77d7f4b703344", IsRemote = false },
new { Name = "track-local", Sha = "580c2111be43802dab11328176d94c391f1deae9", IsRemote = false },
new { Name = "treesame_as_32eab", Sha = "f705abffe7015f2beacf2abe7a36583ebee3487e", IsRemote = false },
new { Name = "origin/HEAD", Sha = "580c2111be43802dab11328176d94c391f1deae9", IsRemote = true },
new { Name = "origin/br2", Sha = "a4a7dce85cf63874e984719f4fdd239f5145052f", IsRemote = true },
new { Name = "origin/master", Sha = "580c2111be43802dab11328176d94c391f1deae9", IsRemote = true },
new { Name = "origin/packed-test", Sha = "4a202b346bb0fb0db7eff3cffeb3c70babbd2045", IsRemote = true },
new { Name = "origin/test", Sha = "e90810b8df3e80c413d903f631643c716887138d", IsRemote = true },
};
Assert.Equal(expectedBranchesIncludingRemoteRefs,
SortedBranches(repo.Branches, b => new { Name = b.FriendlyName, b.Tip.Sha, b.IsRemote }));
}
}
[Fact]
public void CanResolveRemote()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch master = repo.Branches["master"];
Assert.Equal(repo.Network.Remotes["origin"], master.Remote);
}
}
[Fact]
public void RemoteAndUpstreamBranchCanonicalNameForNonTrackingBranchIsNull()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch test = repo.Branches["i-do-numbers"];
Assert.Null(test.Remote);
Assert.Null(test.UpstreamBranchCanonicalName);
}
}
[Fact]
public void QueryRemoteForLocalTrackingBranch()
{
// There is not a Remote to resolve for a local tracking branch.
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch trackLocal = repo.Branches["track-local"];
Assert.Null(trackLocal.Remote);
}
}
[Fact]
public void QueryUpstreamBranchCanonicalNameForLocalTrackingBranch()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch trackLocal = repo.Branches["track-local"];
Assert.Equal("refs/heads/master", trackLocal.UpstreamBranchCanonicalName);
}
}
[Fact]
public void QueryRemoteForRemoteBranch()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
var master = repo.Branches["origin/master"];
Assert.Equal(repo.Network.Remotes["origin"], master.Remote);
}
}
[Fact]
public void QueryUnresolvableRemoteForRemoteBranch()
{
var path = SandboxStandardTestRepo();
var fetchRefSpecs = new string[] { "+refs/heads/notfound/*:refs/remotes/origin/notfound/*" };
using (var repo = InitIsolatedRepository(path))
{
// Update the remote config such that the remote for a
// remote branch cannot be resolved
Remote remote = repo.Network.Remotes["origin"];
Assert.NotNull(remote);
repo.Network.Remotes.Update(remote, r => r.FetchRefSpecs = fetchRefSpecs);
Branch branch = repo.Branches["refs/remotes/origin/master"];
Assert.NotNull(branch);
Assert.True(branch.IsRemote);
Assert.Null(branch.Remote);
}
}
[Fact]
public void QueryAmbigousRemoteForRemoteBranch()
{
var path = SandboxStandardTestRepo();
const string fetchRefSpec = "+refs/heads/*:refs/remotes/origin/*";
const string url = "http://github.com/libgit2/TestGitRepository";
using (var repo = InitIsolatedRepository(path))
{
// Add a second remote so that it is ambiguous which remote
// the remote-tracking branch tracks.
repo.Network.Remotes.Add("ambiguous", url, fetchRefSpec);
Branch branch = repo.Branches["refs/remotes/origin/master"];
Assert.NotNull(branch);
Assert.True(branch.IsRemote);
Assert.Null(branch.Remote);
}
}
[Fact]
public void CanLookupABranchByItsCanonicalName()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Branch branch = repo.Branches["refs/heads/br2"];
Assert.NotNull(branch);
Assert.Equal("br2", branch.FriendlyName);
Branch branch2 = repo.Branches["refs/heads/br2"];
Assert.NotNull(branch2);
Assert.Equal("br2", branch2.FriendlyName);
Assert.Equal(branch, branch2);
Assert.True((branch2 == branch));
}
}
[Fact]
public void CanLookupLocalBranch()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Branch master = repo.Branches["master"];
Assert.NotNull(master);
Assert.False(master.IsRemote);
Assert.Equal("master", master.FriendlyName);
Assert.Equal("refs/heads/master", master.CanonicalName);
Assert.True(master.IsCurrentRepositoryHead);
Assert.Equal("4c062a6361ae6959e06292c1fa5e2822d9c96345", master.Tip.Sha);
}
}
[Fact]
public void CanLookupABranchWhichNameIsMadeOfNon7BitsAsciiCharacters()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
const string name = "Ångström";
Branch newBranch = repo.CreateBranch(name, "be3563a");
Assert.NotNull(newBranch);
Branch retrieved = repo.Branches["Ångström"];
Assert.NotNull(retrieved);
Assert.Equal(newBranch.Tip, retrieved.Tip);
}
}
[Fact]
public void LookingOutABranchByNameWithBadParamsThrows()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Branch branch;
Assert.Throws<ArgumentNullException>(() => branch = repo.Branches[null]);
Assert.Throws<ArgumentException>(() => branch = repo.Branches[""]);
}
}
[Fact]
public void CanGetInformationFromUnbornBranch()
{
string repoPath = InitNewRepository(true);
using (var repo = new Repository(repoPath))
{
var head = repo.Head;
Assert.Equal("refs/heads/master", head.CanonicalName);
Assert.Equal(0, head.Commits.Count());
Assert.True(head.IsCurrentRepositoryHead);
Assert.False(head.IsRemote);
Assert.Equal("master", head.FriendlyName);
Assert.Null(head.Tip);
Assert.Null(head["huh?"]);
Assert.False(head.IsTracking);
Assert.Null(head.TrackedBranch);
Assert.NotNull(head.TrackingDetails);
Assert.Null(head.TrackingDetails.AheadBy);
Assert.Null(head.TrackingDetails.BehindBy);
Assert.Null(head.TrackingDetails.CommonAncestor);
}
}
[Fact]
public void CanGetTrackingInformationFromBranchSharingNoHistoryWithItsTrackedBranch()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch master = repo.Branches["master"];
const string logMessage = "update target message";
repo.Refs.UpdateTarget("refs/remotes/origin/master", "origin/test", logMessage);
Assert.True(master.IsTracking);
Assert.NotNull(master.TrackedBranch);
AssertBelongsToARepository(repo, master.TrackedBranch);
Assert.NotNull(master.TrackingDetails);
Assert.Equal(9, master.TrackingDetails.AheadBy);
Assert.Equal(2, master.TrackingDetails.BehindBy);
Assert.Null(repo.Head.TrackingDetails.CommonAncestor);
// Assert reflog entry is created
var reflogEntry = repo.Refs.Log("refs/remotes/origin/master").First();
Assert.Equal(repo.Branches["origin/test"].Tip.Id, reflogEntry.To);
Assert.Equal(logMessage, reflogEntry.Message);
}
}
[Fact]
public void TrackingInformationIsEmptyForBranchTrackingPrunedRemoteBranch()
{
var path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
const string remoteRef = "refs/remotes/origin/master";
repo.Refs.Remove(remoteRef);
Branch master = repo.Branches["master"];
Assert.True(master.IsTracking);
Assert.NotNull(master.TrackedBranch);
Assert.Equal(remoteRef, master.TrackedBranch.CanonicalName);
Assert.Null(master.TrackedBranch.Tip);
Assert.NotNull(master.TrackingDetails);
Assert.Null(master.TrackingDetails.AheadBy);
Assert.Null(master.TrackingDetails.BehindBy);
Assert.Null(master.TrackingDetails.CommonAncestor);
}
}
[Fact]
public void TrackingInformationIsEmptyForNonTrackingBranch()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Branch branch = repo.Branches["test"];
Assert.False(branch.IsTracking);
Assert.Null(branch.TrackedBranch);
Assert.NotNull(branch.TrackingDetails);
Assert.Null(branch.TrackingDetails.AheadBy);
Assert.Null(branch.TrackingDetails.BehindBy);
Assert.Null(branch.TrackingDetails.CommonAncestor);
}
}
[Fact]
public void CanGetTrackingInformationForTrackingBranch()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch master = repo.Branches["master"];
Assert.True(master.IsTracking);
Assert.Equal(repo.Branches["refs/remotes/origin/master"], master.TrackedBranch);
Assert.NotNull(master.TrackingDetails);
Assert.Equal(2, master.TrackingDetails.AheadBy);
Assert.Equal(2, master.TrackingDetails.BehindBy);
Assert.Equal(repo.Lookup<Commit>("4c062a6"), master.TrackingDetails.CommonAncestor);
}
}
[Fact]
public void CanGetTrackingInformationForLocalTrackingBranch()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
var branch = repo.Branches["track-local"];
Assert.True(branch.IsTracking);
Assert.Equal(repo.Branches["master"], branch.TrackedBranch);
Assert.NotNull(branch.TrackingDetails);
Assert.Equal(2, branch.TrackingDetails.AheadBy);
Assert.Equal(2, branch.TrackingDetails.BehindBy);
Assert.Equal(repo.Lookup<Commit>("4c062a6"), branch.TrackingDetails.CommonAncestor);
}
}
[Fact]
public void RenamingARemoteTrackingBranchThrows()
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch master = repo.Branches["refs/remotes/origin/master"];
Assert.True(master.IsRemote);
Assert.Throws<LibGit2SharpException>(() => repo.Branches.Rename(master, "new_name", true));
}
}
[Fact]
public void CanWalkCommitsFromAnotherBranch()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Branch master = repo.Branches["test"];
Assert.Equal(2, master.Commits.Count());
}
}
[Fact]
public void CanSetTrackedBranch()
{
const string testBranchName = "branchToSetUpstreamInfoFor";
const string trackedBranchName = "refs/remotes/origin/master";
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch trackedBranch = repo.Branches[trackedBranchName];
Assert.True(trackedBranch.IsRemote);
Branch branch = repo.CreateBranch(testBranchName, trackedBranch.Tip);
Assert.False(branch.IsTracking);
repo.Branches.Update(branch,
b => b.TrackedBranch = trackedBranch.CanonicalName);
// Verify the immutability of the branch.
Assert.False(branch.IsTracking);
// Get the updated branch information.
branch = repo.Branches[testBranchName];
Remote upstreamRemote = repo.Network.Remotes["origin"];
Assert.NotNull(upstreamRemote);
Assert.True(branch.IsTracking);
Assert.Equal(trackedBranch, branch.TrackedBranch);
Assert.Equal(upstreamRemote, branch.Remote);
}
}
[Fact]
public void SetTrackedBranchForUnreasolvableRemoteThrows()
{
const string testBranchName = "branchToSetUpstreamInfoFor";
const string trackedBranchName = "refs/remotes/origin/master";
var fetchRefSpecs = new string[] { "+refs/heads/notfound/*:refs/remotes/origin/notfound/*" };
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
// Modify the fetch spec so that the remote for the remote-tracking branch
// cannot be resolved.
Remote remote = repo.Network.Remotes["origin"];
Assert.NotNull(remote);
repo.Network.Remotes.Update(remote, r => r.FetchRefSpecs = fetchRefSpecs);
// Now attempt to update the tracked branch
Branch branch = repo.CreateBranch(testBranchName);
Assert.False(branch.IsTracking);
Branch trackedBranch = repo.Branches[trackedBranchName];
Assert.Throws<NotFoundException>(() => repo.Branches.Update(branch,
b => b.TrackedBranch = trackedBranch.CanonicalName));
}
}
[Fact]
public void CanSetUpstreamBranch()
{
const string testBranchName = "branchToSetUpstreamInfoFor";
const string upstreamBranchName = "refs/heads/master";
const string trackedBranchName = "refs/remotes/origin/master";
const string remoteName = "origin";
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch trackedBranch = repo.Branches[trackedBranchName];
Assert.True(trackedBranch.IsRemote);
Branch branch = repo.CreateBranch(testBranchName, trackedBranch.Tip);
Assert.False(branch.IsTracking);
Branch updatedBranch = repo.Branches.Update(branch,
b => b.Remote = remoteName,
b => b.UpstreamBranch = upstreamBranchName);
// Verify the immutability of the branch.
Assert.False(branch.IsTracking);
Remote upstreamRemote = repo.Network.Remotes[remoteName];
Assert.NotNull(upstreamRemote);
Assert.True(updatedBranch.IsTracking);
Assert.Equal(trackedBranch, updatedBranch.TrackedBranch);
Assert.Equal(upstreamBranchName, updatedBranch.UpstreamBranchCanonicalName);
Assert.Equal(upstreamRemote, updatedBranch.Remote);
}
}
[Fact]
public void CanSetLocalTrackedBranch()
{
const string testBranchName = "branchToSetUpstreamInfoFor";
const string localTrackedBranchName = "refs/heads/master";
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch trackedBranch = repo.Branches[localTrackedBranchName];
Assert.False(trackedBranch.IsRemote);
Branch branch = repo.CreateBranch(testBranchName, trackedBranch.Tip);
Assert.False(branch.IsTracking);
repo.Branches.Update(branch,
b => b.TrackedBranch = trackedBranch.CanonicalName);
// Get the updated branch information.
branch = repo.Branches[testBranchName];
// Branches that track the local remote do not have the "Remote" property set.
// Verify (through the configuration entry) that the local remote is set as expected.
Assert.Null(branch.Remote);
ConfigurationEntry<string> remoteConfigEntry = repo.Config.Get<string>("branch", testBranchName, "remote");
Assert.NotNull(remoteConfigEntry);
Assert.Equal(".", remoteConfigEntry.Value);
ConfigurationEntry<string> mergeConfigEntry = repo.Config.Get<string>("branch", testBranchName, "merge");
Assert.NotNull(mergeConfigEntry);
Assert.Equal("refs/heads/master", mergeConfigEntry.Value);
// Verify the IsTracking and TrackedBranch properties.
Assert.True(branch.IsTracking);
Assert.Equal(trackedBranch, branch.TrackedBranch);
Assert.Equal("refs/heads/master", branch.UpstreamBranchCanonicalName);
}
}
[Fact]
public void CanUnsetTrackedBranch()
{
const string testBranchName = "branchToSetUpstreamInfoFor";
const string trackedBranchName = "refs/remotes/origin/master";
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch trackedBranch = repo.Branches[trackedBranchName];
Branch branch = repo.CreateBranch(testBranchName, trackedBranch.Tip);
Assert.False(branch.IsTracking);
branch = repo.Branches.Update(branch,
b => b.TrackedBranch = trackedBranch.CanonicalName);
// Got the updated branch from the Update() method
Assert.True(branch.IsTracking);
branch = repo.Branches.Update(branch,
b => b.TrackedBranch = null);
// Verify this is no longer a tracking branch
Assert.False(branch.IsTracking);
Assert.Null(branch.Remote);
Assert.Null(branch.UpstreamBranchCanonicalName);
}
}
[Fact]
public void CanWalkCommitsFromBranch()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Branch master = repo.Branches["master"];
Assert.Equal(7, master.Commits.Count());
}
}
private void AssertRemoval(string branchName, bool isRemote, bool shouldPreviouslyAssertExistence)
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
if (shouldPreviouslyAssertExistence)
{
Assert.NotNull(repo.Branches[branchName]);
}
repo.Branches.Remove(branchName, isRemote);
Branch branch = repo.Branches[branchName];
Assert.Null(branch);
}
}
[Theory]
[InlineData("i-do-numbers", false)]
[InlineData("origin/br2", true)]
public void CanRemoveAnExistingNamedBranch(string branchName, bool isRemote)
{
AssertRemoval(branchName, isRemote, true);
}
[Theory]
[InlineData("i-do-numbers")]
[InlineData("origin/br2")]
public void CanRemoveAnExistingBranch(string branchName)
{
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Branch curBranch = repo.Branches[branchName];
repo.Branches.Remove(curBranch);
Branch branch = repo.Branches[branchName];
Assert.Null(branch);
}
}
[Fact]
public void CanCreateBranchInDeletedNestedBranchNamespace()
{
const string namespaceName = "level_one";
string branchWithNamespaceName = string.Join("/", namespaceName, "level_two");
string path = SandboxStandardTestRepo();
using (var repo = new Repository(path))
{
Commit commit = repo.Head.Tip;
Branch branchWithNamespace = repo.Branches.Add(branchWithNamespaceName, commit);
repo.Branches.Remove(branchWithNamespace);
repo.Branches.Add(namespaceName, commit);
}
}
[Theory]
[InlineData("I-donot-exist", false)]
[InlineData("me/neither", true)]
public void CanRemoveANonExistingBranch(string branchName, bool isRemote)
{
AssertRemoval(branchName, isRemote, false);
}
[Fact]
public void RemovingABranchWhichIsTheCurrentHeadThrows()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Assert.Throws<LibGit2SharpException>(() => repo.Branches.Remove(repo.Head.FriendlyName));
}
}
[Fact]
public void RemovingABranchWithBadParamsThrows()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Assert.Throws<ArgumentException>(() => repo.Branches.Remove(string.Empty));
Assert.Throws<ArgumentNullException>(() => repo.Branches.Remove(default(string)));
Assert.Throws<ArgumentNullException>(() => repo.Branches.Remove(default(Branch)));
}
}
[Fact]
public void OnlyOneBranchIsTheHead()
{
string path = SandboxBareTestRepo();
using (var repo = new Repository(path))
{
Branch head = null;
foreach (Branch branch in repo.Branches)
{
bool isHead = branch.IsCurrentRepositoryHead;
if (!isHead)
{
continue;
}
if (head == null)
{
head = branch;
continue;
}
Assert.True(false, string.Format("Both '{0}' and '{1}' appear to be Head.", head.CanonicalName, branch.CanonicalName));
}
Assert.NotNull(head);
}
}
[Fact]