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Scm.test.cs
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Scm.test.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace Pinduri.Tests
{
public class ScmTests
{
static string WorkDirectory = Path.GetFullPath("./scmtest-tmp");
static Scm target = new Scm() { RootPath = WorkDirectory };
static void ResetWorkDirectory()
{
if (Directory.Exists(WorkDirectory))
{
Directory.Delete(WorkDirectory, true);
}
Directory.CreateDirectory(WorkDirectory);
Directory.SetCurrentDirectory(WorkDirectory);
}
static string Serialize(IEnumerable<(string, string)> items) => string.Join(",", items.OrderBy(x => x.Item1).ThenBy(x => x.Item2).Select(x => x.ToString()));
static string CommitChanges(params (string File, string Content)[] files) { return CommitChanges("", files); }
static string CommitChanges(string commitMessage, params (string File, string Content)[] files)
{
foreach (var file in files)
{
if (file.Content == null)
{
File.Delete(file.File);
}
else
{
File.WriteAllText(file.File, file.Content);
}
target.Stage(file.File);
}
return target.Commit(commitMessage);
}
class BranchTest
{
public void BeforeEach() => ResetWorkDirectory();
public void ShouldGetCurrentBranch_When_NameIsNull()
{
Assert.AreEqual((Name: "default", Position: "67d211dde2932b6f", MergeSource: null), target.GetBranch(null));
var commitId1 = target.Commit("an empty commit #1");
Assert.AreEqual((Name: "default", Position: commitId1, MergeSource: null), target.GetBranch(null));
target.CreateBranch("roarr");
Assert.AreEqual((Name: "roarr", Position: commitId1, MergeSource: null), target.GetBranch(null));
var commitId2 = target.Commit("an empty commit on branch roarr");
Assert.AreEqual((Name: "roarr", Position: commitId2, MergeSource: null), target.GetBranch(null));
}
public void ShouldGetBranch_When_NameIsEmptyOrNotExist()
{
Assert.AreEqual((Name: "", Position: "67d211dde2932b6f", MergeSource: null), target.GetBranch(""));
Assert.AreEqual((Name: "not-exists-1", Position: "67d211dde2932b6f", MergeSource: null), target.GetBranch("not-exists-1"));
var commitId1 = target.Commit("an empty commit #1");
Assert.AreEqual((Name: "", Position: "67d211dde2932b6f", MergeSource: null), target.GetBranch(""));
Assert.AreEqual((Name: "not-exists-1", Position: "67d211dde2932b6f", MergeSource: null), target.GetBranch("not-exists-1"));
target.CreateBranch("roarr");
Assert.AreEqual((Name: "", Position: "67d211dde2932b6f", MergeSource: null), target.GetBranch(""));
Assert.AreEqual((Name: "not-exists-1", Position: "67d211dde2932b6f", MergeSource: null), target.GetBranch("not-exists-1"));
var commitId2 = target.Commit("an empty commit on branch roarr");
Assert.AreEqual((Name: "", Position: "67d211dde2932b6f", MergeSource: null), target.GetBranch(""));
Assert.AreEqual((Name: "not-exists-1", Position: "67d211dde2932b6f", MergeSource: null), target.GetBranch("not-exists-1"));
}
public void ShouldGetBranch_When_NameExists()
{
var commitId1 = target.Commit("an empty commit #1");
target.CreateBranch("roarr");
Assert.AreEqual((Name: "roarr", Position: commitId1, MergeSource: null), target.GetBranch("roarr"));
var commitId2 = target.Commit("an empty commit on branch roarr");
Assert.AreEqual((Name: "roarr", Position: commitId2, MergeSource: null), target.GetBranch("roarr"));
}
public void ShouldCreateBranchFail_When_NameIsNullOrEmpty()
{
Assert.Throws<UnauthorizedAccessException>(() => target.CreateBranch(null));
Assert.Throws<UnauthorizedAccessException>(() => target.CreateBranch(""));
}
public void ShouldCreateBranch_When_NameIsValid()
{
var commitId1 = target.Commit("an empty commit #1");
target.CreateBranch("roarr");
Assert.AreEqual((Name: "roarr", Position: commitId1, MergeSource: null), target.GetBranch("roarr"));
}
public void ShouldCreateBranch_When_NameIsWhitespace()
{
var commitId1 = target.Commit("an empty commit #1");
target.CreateBranch("\t \t");
Assert.AreEqual((Name: "\t \t", Position: commitId1, MergeSource: null), target.GetBranch("\t \t"));
}
public void ShouldCreateBranchOverwitePosition_When_NameAlreadyExists()
{
var commitId1 = target.Commit("an empty commit #1");
target.CreateBranch("roarr");
Assert.AreEqual((Name: "roarr", Position: commitId1, MergeSource: null), target.GetBranch("roarr"));
target.CreateBranch("roarr");
Assert.AreEqual((Name: "roarr", Position: commitId1, MergeSource: null), target.GetBranch("roarr"));
var commitId2 = target.Commit("an empty commit #2 on branch default");
target.CreateBranch("roarr");
Assert.AreEqual((Name: "roarr", Position: commitId2, MergeSource: null), target.GetBranch("roarr"));
target.Checkout("roarr");
target.CreateBranch("roarr");
Assert.AreEqual((Name: "roarr", Position: commitId2, MergeSource: null), target.GetBranch("roarr"));
var commitId3 = target.Commit("an empty commit #3 on branch roarr");
target.CreateBranch("roarr");
Assert.AreEqual((Name: "roarr", Position: commitId3, MergeSource: null), target.GetBranch("roarr"));
}
public void ShouldCreateBranch_When_PositionIsEmpty()
{
target.CreateBranch("roarr", "");
Assert.AreEqual((Name: "roarr", Position: "", MergeSource: null), target.GetBranch("roarr"));
target.Checkout("roarr");
}
public void ShouldCreateBranch_When_PositionIsInvalid()
{
target.CreateBranch("roarr", "not-exists");
Assert.AreEqual((Name: "roarr", Position: "not-exists", MergeSource: null), target.GetBranch("roarr"));
}
}
class CheckoutTest
{
public void BeforeEach() => ResetWorkDirectory();
public void ShouldCheckoutCurrentBranch_When_BranchNameIsNull()
{
Assert.AreEqual("", Serialize(target.Checkout(null)));
Assert.AreEqual((Name: "default", Position: "67d211dde2932b6f", MergeSource: null), target.Status().Branch);
target.CreateBranch("branch-1");
var commitId = target.Commit("");
Assert.AreEqual("", Serialize(target.Checkout(null)));
Assert.AreEqual((Name: "branch-1", Position: commitId, MergeSource: null), target.Status().Branch);
}
public void ShouldCheckout_When_BranchNameDoesNotExist()
{
Assert.AreEqual("", Serialize(target.Checkout("not-exists")));
Assert.AreEqual((Name: "not-exists", Position: "67d211dde2932b6f", MergeSource: null), target.Status().Branch);
target.CreateBranch("branch-1");
var commitId = target.Commit("");
Assert.AreEqual("", Serialize(target.Checkout("not-exists")));
Assert.AreEqual((Name: "not-exists", Position: "67d211dde2932b6f", MergeSource: null), target.Status().Branch);
}
public void ShouldCheckoutUpdateCurrentBranch()
{
target.CreateBranch("branch-1");
target.CreateBranch("branch-2");
target.Checkout("branch-1");
var commitId1 = target.Commit("");
target.Checkout("branch-2");
var commitId2 = target.Commit("");
target.Checkout("branch-1");
Assert.AreEqual((Name: "branch-1", Position: commitId1, MergeSource: null), target.Status().Branch);
target.Checkout("branch-2");
Assert.AreEqual((Name: "branch-2", Position: commitId2, MergeSource: null), target.Status().Branch);
}
public void ShouldCheckoutClearStage()
{
target.Checkout(null);
Assert.AreEqual("", Serialize(target.Status().Stage));
File.WriteAllText("file-1", "roarr");
target.Stage("file-1");
target.Stage("file-2");
target.Checkout(null);
Assert.AreEqual("", Serialize(target.Status().Stage));
}
public void ShouldCheckoutKeepNewFiles()
{
target.CreateBranch("branch-1");
target.CreateBranch("branch-2");
Assert.AreEqual("", Serialize(target.Checkout("branch-1")));
CommitChanges("", ("file-1", "roarr"));
File.WriteAllText("file-new", "new");
Assert.AreEqual("(file-new, new)", Serialize(target.Status().Workspace));
Assert.AreEqual("new", File.ReadAllText("file-new"));
Assert.AreEqual("(file-1, removed)", Serialize(target.Checkout("branch-2")));
Assert.AreEqual("(file-new, new)", Serialize(target.Status().Workspace));
Assert.AreEqual(true, File.Exists("file-new"));
Assert.AreEqual("new", File.ReadAllText("file-new"));
}
public void ShouldCheckoutDeleteFiles_When_DoNotExistInTargetBranch()
{
target.CreateBranch("branch-1");
target.CreateBranch("branch-2");
Assert.AreEqual("", Serialize(target.Checkout("branch-1")));
CommitChanges("", ("file-1", "roarr-file-1"), ("file-2", "roarr-file-2"));
File.WriteAllText("file-2", "roarr-changed");
Assert.AreEqual("(file-1, removed),(file-2, removed)", Serialize(target.Checkout("branch-2")));
Assert.AreEqual("", Serialize(target.Status().Workspace));
Assert.AreEqual(false, File.Exists("file-1"));
Assert.AreEqual(false, File.Exists("file-2"));
}
public void ShouldCheckoutUpdateFiles_When_ExistInTargetBranch()
{
target.CreateBranch("branch-1");
target.CreateBranch("branch-2");
Assert.AreEqual("", Serialize(target.Checkout("branch-1")));
CommitChanges("", ("file-1", "roarr-branch-1"), ("file-2", "roarr-branch-1"));
Assert.AreEqual("(file-1, removed),(file-2, removed)", Serialize(target.Checkout("branch-2")));
CommitChanges("", ("file-1", "roarr-branch-2"), ("file-2", "roarr-branch-2"));
Assert.AreEqual("(file-1, updated),(file-2, updated)", Serialize(target.Checkout("branch-1")));
Assert.AreEqual("", Serialize(target.Status().Workspace));
Assert.AreEqual(true, File.Exists("file-1"));
Assert.AreEqual(true, File.Exists("file-2"));
Assert.AreEqual("roarr-branch-1", File.ReadAllText("file-1"));
Assert.AreEqual("roarr-branch-1", File.ReadAllText("file-2"));
}
public void ShouldCheckoutRestoreDeletedFiles()
{
CommitChanges("", ("file-1", "roarr-file-1"), ("file-2", "roarr-file-2"));
File.Delete("file-1");
Assert.AreEqual("(file-1, deleted)", Serialize(target.Status().Workspace));
Assert.AreEqual("(file-1, updated),(file-2, updated)", Serialize(target.Checkout(null)));
Assert.AreEqual("", Serialize(target.Status().Workspace));
Assert.AreEqual(true, File.Exists("file-1"));
Assert.AreEqual(true, File.Exists("file-2"));
Assert.AreEqual("roarr-file-1", File.ReadAllText("file-1"));
Assert.AreEqual("roarr-file-2", File.ReadAllText("file-2"));
}
public void ShouldCheckout()
{
// prepare common ancestor
var commitIdCommon = CommitChanges("common commit",
("changed-in-both", "roarr-initial"),
("changed-in-branch-1", "roarr-initial"),
("changed-in-branch-2", "roarr-initial"),
("deleted-in-branch-1", "roarr-initial"),
("deleted-in-branch-2", "roarr-initial"),
("unchanged-in-both", "roarr-initial")
);
target.CreateBranch("branch-1");
target.CreateBranch("branch-2");
// prepare branch-1
Assert.AreEqual("(changed-in-both, updated),(changed-in-branch-1, updated),(changed-in-branch-2, updated),(deleted-in-branch-1, updated),(deleted-in-branch-2, updated),(unchanged-in-both, updated)", Serialize(target.Checkout("branch-1")));
var commitIdBranch1 = CommitChanges("commit on branch-1",
("added-in-branch-1", "roarr-branch-1"),
("changed-in-both", "roarr-branch-1"),
("changed-in-branch-1", "roarr-branch-1"),
("deleted-in-branch-1", null)
);
// prepare branch-2
Assert.AreEqual("(added-in-branch-1, removed),(changed-in-both, updated),(changed-in-branch-1, updated),(changed-in-branch-2, updated),(deleted-in-branch-1, updated),(deleted-in-branch-2, updated),(unchanged-in-both, updated)", Serialize(target.Checkout("branch-2")));
var commitIdBranch2 = CommitChanges("commit on branch-2",
("added-in-branch-2", "roarr-branch-2"),
("changed-in-both", "roarr-branch-2"),
("changed-in-branch-2", "roarr-branch-2"),
("deleted-in-branch-2", null)
);
// test checkout branch-1
Assert.AreEqual("(added-in-branch-1, updated),(added-in-branch-2, removed),(changed-in-both, updated),(changed-in-branch-1, updated),(changed-in-branch-2, updated),(deleted-in-branch-1, removed),(deleted-in-branch-2, updated),(unchanged-in-both, updated)", Serialize(target.Checkout("branch-1")));
Assert.AreEqual("", Serialize(target.Status().Workspace));
Assert.AreEqual(6, Directory.GetFiles(".").Count());
new string[] { "changed-in-branch-1", "deleted-in-branch-2", "changed-in-both", "added-in-branch-1", "unchanged-in-both", "changed-in-branch-2" }
.ToList().ForEach(x => Assert.AreEqual(true, File.Exists(x), x));
new string[] { "changed-in-branch-1", "changed-in-both", "added-in-branch-1", }
.ToList().ForEach(x => Assert.AreEqual("roarr-branch-1", File.ReadAllText(x), x));
new string[] { "deleted-in-branch-2", "unchanged-in-both", "changed-in-branch-2" }
.ToList().ForEach(x => Assert.AreEqual("roarr-initial", File.ReadAllText(x), x));
// test checkout branch-2
Assert.AreEqual("(added-in-branch-1, removed),(added-in-branch-2, updated),(changed-in-both, updated),(changed-in-branch-1, updated),(changed-in-branch-2, updated),(deleted-in-branch-1, updated),(deleted-in-branch-2, removed),(unchanged-in-both, updated)", Serialize(target.Checkout("branch-2")));
Assert.AreEqual("", Serialize(target.Status().Workspace));
Assert.AreEqual(6, Directory.GetFiles(".").Count());
new string[] { "added-in-branch-2", "changed-in-both", "changed-in-branch-1", "changed-in-branch-2", "deleted-in-branch-1", "unchanged-in-both", }
.ToList().ForEach(x => Assert.AreEqual(true, File.Exists(x), x));
new string[] { "added-in-branch-2", "changed-in-both", "changed-in-branch-2" }
.ToList().ForEach(x => Assert.AreEqual("roarr-branch-2", File.ReadAllText(x), x));
new string[] { "changed-in-branch-1", "deleted-in-branch-1", "unchanged-in-both", }
.ToList().ForEach(x => Assert.AreEqual("roarr-initial", File.ReadAllText(x), x));
// test checkout default (common ancestor)
Assert.AreEqual("(added-in-branch-2, removed),(changed-in-both, updated),(changed-in-branch-1, updated),(changed-in-branch-2, updated),(deleted-in-branch-1, updated),(deleted-in-branch-2, updated),(unchanged-in-both, updated)", Serialize(target.Checkout("default")));
Assert.AreEqual("", Serialize(target.Status().Workspace));
Assert.AreEqual(6, Directory.GetFiles(".").Count());
new string[] { "changed-in-both", "changed-in-branch-1", "changed-in-branch-2", "deleted-in-branch-1", "unchanged-in-both", }
.ToList().ForEach(x => Assert.AreEqual(true, File.Exists(x), x));
new string[] { "changed-in-both", "changed-in-branch-1", "changed-in-branch-2", "deleted-in-branch-1", "deleted-in-branch-2", "unchanged-in-both", }
.ToList().ForEach(x => Assert.AreEqual("roarr-initial", File.ReadAllText(x), x));
}
}
class CommitTest
{
public void BeforeEach() => ResetWorkDirectory();
public void ShouldCommitFail_When_MessageIsNull()
{
Assert.Throws<ArgumentNullException>(() => target.Commit(null));
}
public void ShouldCommit_When_MessageIsEmpty()
{
var commitId = target.Commit("");
Assert.IsNotNull(commitId);
Assert.AreEqual(16, commitId.Length);
}
public void ShouldCommit_When_StageIsEmpty()
{
var commitId = target.Commit("commit #1");
Assert.IsNotNull(commitId);
Assert.AreEqual(16, commitId.Length);
}
public void ShouldCommitClearStage()
{
File.WriteAllText("file1", "roarr");
target.Stage("file1");
Assert.AreEqual("(file1, new)", Serialize(target.Status().Stage));
target.Commit("");
Assert.AreEqual("", Serialize(target.Status().Stage));
}
public void ShouldCommitOnlyStagedFiles()
{
File.WriteAllText("file1", "roarr");
File.WriteAllText("file2", "roarr");
target.Stage("file1");
// target.Stage("file2"); // Do not stage!
target.Commit("");
Assert.AreEqual("(file2, new)", Serialize(target.Status().Workspace));
}
}
class DiffTest
{
// These tests are for the default silly diff algorithm
public void BeforeEach() => ResetWorkDirectory();
public void ShouldDiffWithCurrentBranch_When_FileDoesNotExist()
{
Assert.AreEqual("", string.Join(",", target.Diff("not-exists", null)));
}
public void ShouldDiffWithCurrentBranch_When_FileIsNew()
{
File.WriteAllText("file1", "1\n2\n3\n");
Assert.AreEqual("+ 1,+ 2,+ 3", string.Join(",", target.Diff("file1", null)));
}
public void ShouldDiffWithCurrentBranch_When_FileIsDeleted()
{
File.WriteAllText("file1", "a\nb\nc\n");
target.Stage("file1");
target.Commit("");
File.Delete("file1");
Assert.AreEqual("- a,- b,- c", string.Join(",", target.Diff("file1", null)));
}
public void ShouldDiffWithCurrentBranch_When_FileIsChanged()
{
File.WriteAllText("file1", "a\nb\nc\n");
target.Stage("file1");
target.Commit("");
File.WriteAllText("file1", "1\n2\n3\n");
Assert.AreEqual("- a,- b,- c,+ 1,+ 2,+ 3", string.Join(",", target.Diff("file1", null)));
}
public void ShouldDiffWithCurrentBranch_When_FileIsUnchanged()
{
File.WriteAllText("file1", "a\nb\nc\n");
target.Stage("file1");
target.Commit("");
Assert.AreEqual("- a,- b,- c,+ a,+ b,+ c", string.Join(",", target.Diff("file1", null)));
}
public void ShouldDiffWithCurrentBranch_When_RepositoryFileIsDeleted_And_WorkspaceFileDoesNotExist()
{
File.WriteAllText("file1", "a\nb\nc\n");
target.Stage("file1");
target.Commit("");
File.Delete("file1");
target.Stage("file1");
target.Commit("");
Assert.AreEqual("", string.Join(",", target.Diff("file1", null)));
}
public void ShouldDiffWithCurrentBranch_When_RepositoryFileIsDeleted_And_WorkspaceFileIsNew()
{
File.WriteAllText("file1", "a\nb\nc\n");
target.Stage("file1");
target.Commit("");
File.Delete("file1");
target.Stage("file1");
target.Commit("");
File.WriteAllText("file1", "1\n2\n3\n");
Assert.AreEqual("+ 1,+ 2,+ 3", string.Join(",", target.Diff("file1", null)));
}
public void ShouldDiffWithSpecificCommit_When_CommitDoesNotExist()
{
File.WriteAllText("file1", "1\n2\n3\n");
Assert.AreEqual("+ 1,+ 2,+ 3", string.Join(",", target.Diff("file1", "commit-not-exists")));
}
public void ShouldDiffWithSpecificCommit_When_FileDoesNotExist_And_CommitDoesNotExist()
{
Assert.AreEqual("", string.Join(",", target.Diff("not-exists", "commit-not-exists")));
}
public void ShouldDiffWithSpecificCommit_When_FileIsChanged()
{
target.CreateBranch("branch-1");
target.CreateBranch("branch-2");
target.Checkout("branch-1");
File.WriteAllText("file1", "a\nb\nc\n");
target.Stage("file1");
var commitId = target.Commit("");
File.WriteAllText("file1", "a\nb\nc\n");
target.Stage("file1");
target.Commit("");
target.Checkout("branch-2");
File.WriteAllText("file1", "1\n2\n3\n");
Assert.AreEqual("- a,- b,- c,+ 1,+ 2,+ 3", string.Join(",", target.Diff("file1", commitId)));
}
public void ShouldDiffWithSpecificCommit_When_FileIsUnchanged()
{
target.CreateBranch("branch-1");
target.CreateBranch("branch-2");
target.Checkout("branch-1");
File.WriteAllText("file1", "a\nb\nc\n");
target.Stage("file1");
var commitId = target.Commit("");
File.WriteAllText("file1", "a\nb\nc\n");
target.Stage("file1");
target.Commit("");
target.Checkout("branch-2");
File.WriteAllText("file1", "a\nb\nc\n");
Assert.AreEqual("- a,- b,- c,+ a,+ b,+ c", string.Join(",", target.Diff("file1", commitId)));
}
}
class HistoryTest
{
public void BeforeEach() => ResetWorkDirectory();
static string Serialize(IEnumerable<(string, string, string, string)> items) => string.Join(",", items.Select(x => (x.Item2, x.Item3, x.Item4).ToString()));
public void ShouldGetHistoryOfCurrentBranch_When_CommitIdIsNull()
{
target.CreateBranch("branch-1");
target.CreateBranch("branch-2");
target.Checkout("branch-1");
var commitId1 = target.Commit("commit #1");
target.Checkout("branch-2");
var commitId2 = target.Commit("commit #2");
var commitId3 = target.Commit("commit #3");
Assert.AreEqual($"({commitId2}, 67d211dde2932b6f, commit #2),({commitId3}, {commitId2}, commit #3)", Serialize(target.GetHistory(null)));
target.Checkout("branch-1");
Assert.AreEqual($"({commitId1}, 67d211dde2932b6f, commit #1)", Serialize(target.GetHistory(null)));
}
public void ShouldGetEmptyHistory_When_CommitIdIsEmptyOrNotExists()
{
var commitId1 = target.Commit("commit #1");
var commitId2 = target.Commit("commit #2");
Assert.AreEqual("", Serialize(target.GetHistory("")));
Assert.AreEqual("", Serialize(target.GetHistory("not-exists")));
}
public void ShouldGetHistory_When_CommitIdExists()
{
var commitId1 = target.Commit("commit #1");
var commitId2 = target.Commit("commit #2");
var commitId3 = target.Commit("commit #3");
Assert.AreEqual($"({commitId1}, 67d211dde2932b6f, commit #1)", Serialize(target.GetHistory(commitId1)));
Assert.AreEqual($"({commitId1}, 67d211dde2932b6f, commit #1),({commitId2}, {commitId1}, commit #2)", Serialize(target.GetHistory(commitId2)));
Assert.AreEqual($"({commitId1}, 67d211dde2932b6f, commit #1),({commitId2}, {commitId1}, commit #2),({commitId3}, {commitId2}, commit #3)", Serialize(target.GetHistory(commitId3)));
}
public void ShouldGetHistoryTraverseOnlyParents()
{
var commitId1 = target.Commit("commit #1");
target.CreateBranch("branch-1");
target.CreateBranch("branch-2");
target.Checkout("branch-1");
var commitId2 = target.Commit("commit #2");
target.Checkout("branch-2");
var commitId3 = target.Commit("commit #3");
Assert.AreEqual($"({commitId1}, 67d211dde2932b6f, commit #1)", Serialize(target.GetHistory(commitId1)));
Assert.AreEqual($"({commitId1}, 67d211dde2932b6f, commit #1),({commitId2}, {commitId1}, commit #2)", Serialize(target.GetHistory(commitId2)));
Assert.AreEqual($"({commitId1}, 67d211dde2932b6f, commit #1),({commitId3}, {commitId1}, commit #3)", Serialize(target.GetHistory(commitId3))); // exclude commit #2
}
}
class MergeTest
{
// These tests are for the default silly merge algorithm
public void BeforeEach() => ResetWorkDirectory();
static string Serialize(IEnumerable<(string, IEnumerable<string>)> items) => string.Join(",", items.Select(x => $"({x.Item1}, {string.Join(",", x.Item2.Select(y => y))})"));
public void ShouldMerge_When_BranchNameIsNull()
{
CommitChanges("add some files", ("file-1", "roarr"));
Assert.AreEqual("(file-1, <<<<<<<<,roarr,========,roarr,>>>>>>>>)", Serialize(target.Merge(null)));
}
public void ShouldMerge_When_BranchNameIsNull_And_FileHasUncommittedChange()
{
CommitChanges("add some files", ("file-1", "roarr"));
File.WriteAllText("file-1", "roarr-uncommitted");
Assert.AreEqual("(file-1, <<<<<<<<,roarr-uncommitted,========,roarr,>>>>>>>>)", Serialize(target.Merge(null)));
}
public void ShouldMerge_When_BranchNameIsNull_And_FileHasUncommittedDelete()
{
CommitChanges("add some files", ("file-1", "roarr"));
File.Delete("file-1");
Assert.AreEqual("(file-1, <<<<<<<<,========,roarr,>>>>>>>>)", Serialize(target.Merge(null)));
}
public void ShouldMerge_When_BranchNameIsEmpty()
{
CommitChanges("add some files", ("file-1", "roarr"));
Assert.AreEqual("", Serialize(target.Merge("")));
}
public void ShouldMerge_When_BranchNameIsEmpty_And_FileHasUncommittedChange()
{
CommitChanges("add some files", ("file-1", "roarr"));
File.WriteAllText("file-1", "roarr-uncommitted");
Assert.AreEqual("", Serialize(target.Merge("")));
}
public void ShouldMerge_When_BranchNameIsEmpty_And_FileHasUncommittedDelete()
{
CommitChanges("add some files", ("file-1", "roarr"));
File.Delete("file-1");
Assert.AreEqual("", Serialize(target.Merge("")));
}
public void ShouldMerge_When_BranchDoesNotExist()
{
CommitChanges("add some files", ("file-1", "roarr"));
Assert.AreEqual("", Serialize(target.Merge("not-exists")));
}
public void ShouldMerge_When_BranchDoesNotExist_And_FileHasUncommittedChange()
{
CommitChanges("add some files", ("file-1", "roarr"));
File.WriteAllText("file-1", "roarr-uncommitted");
Assert.AreEqual("", Serialize(target.Merge("not-exists")));
}
public void ShouldMerge_When_BranchDoesNotExist_And_FileHasUncommittedDelete()
{
CommitChanges("add some files", ("file-1", "roarr"));
File.Delete("file-1");
Assert.AreEqual("", Serialize(target.Merge("not-exists")));
}
public void ShouldMerge_When_BranchIsSelf()
{
CommitChanges("add some files", ("file-1", "roarr"));
Assert.AreEqual("(file-1, <<<<<<<<,roarr,========,roarr,>>>>>>>>)", Serialize(target.Merge("default")));
}
public void ShouldMerge_When_BranchIsSelf_And_FileHasUncommittedChange()
{
CommitChanges("add some files", ("file-1", "roarr"));
File.WriteAllText("file-1", "roarr-uncommitted");
Assert.AreEqual("(file-1, <<<<<<<<,roarr-uncommitted,========,roarr,>>>>>>>>)", Serialize(target.Merge("default")));
}
public void ShouldMerge_When_BranchIsSelf_And_FileHasUncommittedDelete()
{
CommitChanges("add some files", ("file-1", "roarr"));
File.Delete("file-1");
Assert.AreEqual("(file-1, <<<<<<<<,========,roarr,>>>>>>>>)", Serialize(target.Merge("default")));
}
public void ShouldMerge_When_TargetFileDoesNotExist()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
CommitChanges("add some files", ("file-1", "roarr"));
target.Checkout("target-branch");
Assert.AreEqual("(file-1, <<<<<<<<,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
}
public void ShouldMerge_When_FilesExistInBothBranches()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
CommitChanges("add some files", ("file-1", "roarr"));
target.Checkout("target-branch");
CommitChanges("", ("file-1", "roarr")); // same file
Assert.AreEqual("(file-1, <<<<<<<<,roarr,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
}
public void ShouldMerge_When_FileHasChanged()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
CommitChanges("add some files", ("file-1", "roarr"));
target.Checkout("target-branch");
CommitChanges("", ("file-1", "roarr-target-branch"));
Assert.AreEqual("(file-1, <<<<<<<<,roarr-target-branch,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
}
public void ShouldMerge_When_FileHasNoChange()
{
CommitChanges("add some files", ("file-1", "roarr"));
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
target.Checkout("target-branch");
Assert.AreEqual("(file-1, <<<<<<<<,roarr,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
}
public void ShouldMerge_When_FileHasUncommittedChange()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
CommitChanges("add some files", ("file-1", "roarr"));
target.Checkout("target-branch");
CommitChanges("", ("file-1", "roarr-target-branch"));
File.WriteAllText("file-1", "roarr-target-branch-uncommitted");
Assert.AreEqual("(file-1, <<<<<<<<,roarr-target-branch-uncommitted,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
}
public void ShouldMerge_When_FileHasUncommittedDelete()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
CommitChanges("add some files", ("file-1", "roarr"));
target.Checkout("target-branch");
CommitChanges("", ("file-1", "roarr-target-branch"));
File.Delete("file-1");
Assert.AreEqual("(file-1, <<<<<<<<,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
}
public void ShouldMergeOnlyFilesInSourceBranch()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
CommitChanges("add some files", ("file-1", "roarr"));
target.Checkout("target-branch");
CommitChanges("", ("file-2", "roarr"));
Assert.AreEqual("(file-1, <<<<<<<<,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
}
public void ShouldMergeAllFilesInSourceBranch()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
CommitChanges("add some files", ("file-1", "roarr"), ("file-2", "roarr"), ("file-3", "roarr"));
CommitChanges("delete file-3", ("file-3", null));
target.Checkout("target-branch");
Assert.AreEqual("(file-1, <<<<<<<<,========,roarr,>>>>>>>>),(file-2, <<<<<<<<,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
}
public void ShouldMergeRecoverDeletedFilesInTargetBranch()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
CommitChanges("add some files", ("file-1", "roarr"), ("file-2", "roarr"));
target.Checkout("target-branch");
CommitChanges("delete file-2", ("file-2", null));
Assert.AreEqual("(file-1, <<<<<<<<,========,roarr,>>>>>>>>),(file-2, <<<<<<<<,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
}
public void ShouldMergeSetMergeSource_And_ShouldCommitResetMergeSource()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
var commitId1 = target.Commit("");
target.Checkout("target-branch");
var commitId2 = target.Commit("");
Assert.AreEqual("", Serialize(target.Merge("source-branch")));
Assert.AreEqual((Name: "target-branch", Position: commitId2, MergeSource: commitId1), target.Status().Branch);
var commitId3 = target.Commit("");
Assert.AreEqual((Name: "target-branch", Position: commitId3, MergeSource: null), target.Status().Branch);
}
public void ShouldMergeStageAffectedFiles()
{
target.CreateBranch("target-branch");
target.CreateBranch("source-branch");
CommitChanges("add some files", ("file-1", "roarr"), ("file-2", "roarr"));
target.Checkout("target-branch");
CommitChanges("", ("file-2", "roarr"));
File.WriteAllText("file-3", "roarr");
Assert.AreEqual("(file-1, <<<<<<<<,========,roarr,>>>>>>>>),(file-2, <<<<<<<<,roarr,========,roarr,>>>>>>>>)", Serialize(target.Merge("source-branch")));
Assert.AreEqual("(file-1, new),(file-2, changed)", ScmTests.Serialize(target.Status().Stage));
Assert.AreEqual("(file-3, new)", ScmTests.Serialize(target.Status().Workspace));
}
}
class StageTest
{
public void BeforeEach() => ResetWorkDirectory();
public void ShouldStageFail_When_FileIsNull()
{
Assert.Throws<ArgumentNullException>(() => target.Stage(null));
}
public void ShouldStageFail_When_FileIsEmpty()
{
Assert.Throws<ArgumentException>(() => target.Stage(""));
}
public void Skip_ShouldStageFail_When_FileIsInvalid()
{
// TODO: invalid characters are os dependent
Assert.Throws<ArgumentException>(() => target.Stage("\\\\"));
}
public void ShouldUnstageFail_When_FileIsNull()
{
Assert.Throws<ArgumentNullException>(() => target.Unstage(null));
}
public void ShouldUnstageFail_When_FileIsEmpty()
{
Assert.Throws<ArgumentException>(() => target.Unstage(""));
}
public void Skip_UnshouldStageFail_When_FileIsInvalid()
{
// TODO: invalid characters are os dependent
Assert.Throws<ArgumentException>(() => target.Unstage("\\\\"));
}
public void ShouldStageUnstage()
{
Assert.AreEqual("file1", string.Join(",", target.Stage("file1")));
Assert.AreEqual("file1,file2", string.Join(",", target.Stage("file2")));
Assert.AreEqual("file2", string.Join(",", target.Unstage("file1")));
Assert.AreEqual("", string.Join(",", target.Unstage("file2")));
}
public void ShouldNotStageMultipleTimes()
{
Assert.AreEqual("file1", string.Join(",", target.Stage("file1")));
Assert.AreEqual("file1", string.Join(",", target.Stage("file1")));
}
public void ShouldUnstage_When_FileIsNotStaged()
{
target.Stage("staged-file");
Assert.AreEqual("staged-file", string.Join(",", target.Unstage("not-staged")));
}
public void ShouldUnstageMultipleTimes()
{
target.Stage("file1");
Assert.AreEqual("", string.Join(",", target.Unstage("file1")));
Assert.AreEqual("", string.Join(",", target.Unstage("file1")));
}
}
class StatusTest
{
public void BeforeEach() => ResetWorkDirectory();
public void ShouldStatusBeCorrect_When_InInitialState()
{
var result = target.Status();
Assert.AreEqual(target.RootPath, result.Root);
Assert.AreEqual((Name: "default", Position: "67d211dde2932b6f", MergeSource: null), result.Branch);
Assert.AreEqual(0, result.Stage.Count());
Assert.AreEqual(0, result.Workspace.Count());
}
public void ShouldStatusListStagedAndWorkspaceFiles()
{
string Serialize(IEnumerable<(string, string)> items) => string.Join(",", items.OrderBy(x => x.Item1).ThenBy(x => x.Item2).Select(x => x.ToString()));
File.WriteAllText("changed-file", "roarr");
File.WriteAllText("unchanged-file", "roarr");
File.WriteAllText("deleted-file", "roarr");
target.Stage("changed-file");
target.Stage("unchanged-file");
target.Stage("deleted-file");
target.Commit("commit #1");
Assert.AreEqual("", Serialize(target.Status().Stage));
Assert.AreEqual("", Serialize(target.Status().Workspace));
File.WriteAllText("new-file", "roarr");
File.WriteAllText("changed-file", "roarr changed");
File.Delete("deleted-file");
Assert.AreEqual("", Serialize(target.Status().Stage));
Assert.AreEqual("(changed-file, changed),(deleted-file, deleted),(new-file, new)", Serialize(target.Status().Workspace));
target.Stage("new-file");
target.Stage("changed-file");
target.Stage("unchanged-file");
target.Stage("deleted-file");
Assert.AreEqual("(changed-file, changed),(deleted-file, deleted),(new-file, new),(unchanged-file, unchanged)", Serialize(target.Status().Stage));
Assert.AreEqual("", Serialize(target.Status().Workspace));
target.Unstage("new-file");
Assert.AreEqual("(changed-file, changed),(deleted-file, deleted),(unchanged-file, unchanged)", Serialize(target.Status().Stage));
Assert.AreEqual("(new-file, new)", Serialize(target.Status().Workspace));
target.Unstage("changed-file");
Assert.AreEqual("(deleted-file, deleted),(unchanged-file, unchanged)", Serialize(target.Status().Stage));
Assert.AreEqual("(changed-file, changed),(new-file, new)", Serialize(target.Status().Workspace));
target.Unstage("unchanged-file");
Assert.AreEqual("(deleted-file, deleted)", Serialize(target.Status().Stage));
Assert.AreEqual("(changed-file, changed),(new-file, new)", Serialize(target.Status().Workspace));
target.Unstage("deleted-file");
Assert.AreEqual("", Serialize(target.Status().Stage));
Assert.AreEqual("(changed-file, changed),(deleted-file, deleted),(new-file, new)", Serialize(target.Status().Workspace));
}
// TODO: test ignore file
}
public static void Go()
{
new PUnit()
.Test<BranchTest>()
.Test<CheckoutTest>()
.Test<CommitTest>()
.Test<DiffTest>()
.Test<HistoryTest>()
.Test<MergeTest>()
.Test<StageTest>()
.Test<StatusTest>()
.RunToConsole();
}
}
}