public Errorable <Tag> Retrieve(SqlCommand cmd, SqlDataReader dr, int expectedCapacity = 10)
{
if (!dr.Read())
{
return(this._idOrName.Collapse <ConsistencyError>(l => new TagIDRecordDoesNotExistError(l), r => new TagNameDoesNotExistError(r)));
}
TagID id = (TagID)dr.GetSqlBinary(0).Value;
Tag.Builder tb = new Tag.Builder(
pName: (TagName)dr.GetSqlString(1).Value,
pCommitID: (CommitID)dr.GetSqlBinary(2).Value,
pTagger: dr.GetSqlString(3).Value,
pDateTagged: dr.GetDateTimeOffset(4),
pMessage: dr.GetSqlString(5).Value
);
Tag tg = tb;
if (tg.ID != id)
{
return(new ComputedTagIDMismatchError(tg.ID, id));
}
return(tg);
}
internal async Task DeleteTagByNameTest()
{
TreeNode tr = new TreeNode.Builder(new List <TreeTreeReference>(0), new List <TreeBlobReference>(0));
await trrepo.PersistTree(tr.ID, new IVO.Definition.Containers.ImmutableContainer <TreeID, TreeNode>(trx => trx.ID, tr));
Commit cm = new Commit.Builder(new List <CommitID>(0), tr.ID, "James S. Dunne", DateTimeOffset.Now, "Initial commit.");
await cmrepo.PersistCommit(cm);
Tag tg = new Tag.Builder((TagName)"v1.0", cm.ID, "James S. Dunne", DateTimeOffset.Now, "Testing tags");
await tgrepo.PersistTag(tg);
var retgPre = await tgrepo.GetTag(tg.ID);
Assert.IsFalse(retgPre.HasErrors);
Tag rtgPre = retgPre.Value;
Assert.IsNotNull(rtgPre);
Assert.AreEqual(tg.ID, rtgPre.ID);
Assert.AreEqual(tg.Name.ToString(), rtgPre.Name.ToString());
Assert.AreEqual(tg.CommitID, rtgPre.CommitID);
Assert.AreEqual(tg.Tagger, rtgPre.Tagger);
Assert.AreEqual(tg.DateTagged.ToString(), rtgPre.DateTagged.ToString());
await tgrepo.DeleteTagByName((TagName)"v1.0");
var retgPost = await tgrepo.GetTag(tg.ID);
Assert.IsTrue(retgPost.HasErrors);
Assert.AreEqual(1, retgPost.Errors.Count);
}
async Task TestCreateTag(CommitID cmid)
{
var db = getDataContext();
ICommitRepository cmrepo = new CommitRepository(db);
ITagRepository tgrepo = new TagRepository(db);
Console.WriteLine("Get commit by tag 'v1.0'");
var cm = await cmrepo.GetCommitByTagName("v1.0");
if (cm != null)
{
Console.WriteLine("v1.0 was {0}", cm.Item2.ID);
#if false
Console.WriteLine("Deleting Tag by ID {0}", cm.Item1.ID);
await tgrepo.DeleteTag(cm.Item1.ID).Wait();
#else
Console.WriteLine("Deleting Tag by name 'v1.0'");
await tgrepo.DeleteTagByName("v1.0");
#endif
}
Tag tg = new Tag.Builder("v1.0", cmid, "James Dunne <*****@*****.**>", DateTimeOffset.Now, "Tagged for version 1.0");
await tgrepo.PersistTag(tg);
var tgByName = await cmrepo.GetCommitByTagName("v1.0");
Debug.Assert(tgByName.Item2.ID == cmid);
Console.WriteLine("Completed.");
}
internal static Errorable <Tuple <Tag, Commit> > retrieve(ConsistencyError errorIfNotExist, SqlCommand cmd, SqlDataReader dr)
{
// If no result, return null:
if (!dr.Read())
{
return(errorIfNotExist);
}
TagID tgid = (TagID)dr.GetSqlBinary(0).Value;
Tag.Builder tgb = new Tag.Builder(
pName: (TagName)dr.GetSqlString(1).Value,
pCommitID: (CommitID)dr.GetSqlBinary(2).Value,
pTagger: dr.GetSqlString(3).Value,
pDateTagged: dr.GetDateTimeOffset(4),
pMessage: dr.GetSqlString(5).Value
);
Tag tg = tgb;
if (tg.ID != tgid)
{
return(new ComputedTagIDMismatchError(tg.ID, tgid));
}
const int offs = 6;
CommitID id = (CommitID)dr.GetSqlBinary(0 + offs).Value;
Commit.Builder cmb = new Commit.Builder(
pParents: new System.Collections.Generic.List <CommitID>(2),
pTreeID: (TreeID)dr.GetSqlBinary(1 + offs).Value,
pCommitter: dr.GetSqlString(2 + offs).Value,
pDateCommitted: dr.GetDateTimeOffset(3 + offs),
pMessage: dr.GetSqlString(4 + offs).Value
);
// Read the parent commit ids from the second result:
if (dr.NextResult())
{
while (dr.Read())
{
cmb.Parents.Add((CommitID)dr.GetSqlBinary(0).Value);
}
cmb.Parents.Sort(new CommitID.Comparer());
}
Commit cm = cmb;
if (cm.ID != id)
{
return(new ComputedCommitIDMismatchError(cm.ID, id));
}
return(new Tuple <Tag, Commit>(tg, cm));
}
internal async Task PersistTagTest()
{
TreeNode tr = new TreeNode.Builder(new List <TreeTreeReference>(0), new List <TreeBlobReference>(0));
await trrepo.PersistTree(tr.ID, new IVO.Definition.Containers.ImmutableContainer <TreeID, TreeNode>(trx => trx.ID, tr));
Commit cm = new Commit.Builder(new List <CommitID>(0), tr.ID, "James S. Dunne", DateTimeOffset.Now, "Initial commit.");
await cmrepo.PersistCommit(cm);
Tag tg = new Tag.Builder((TagName)"v1.0", cm.ID, "James S. Dunne", DateTimeOffset.Now, "Testing tags");
await tgrepo.PersistTag(tg);
}
internal async Task GetCommitByTagNameTest()
{
await createCommits();
Tag tg = new Tag.Builder((TagName)"v1.0", cmRoot.ID, "James S. Dunne", DateTimeOffset.Now, "Tagged!");
await tgrepo.PersistTag(tg);
var etgcm = await cmrepo.GetCommitByTagName(tg.Name);
Assert.IsFalse(etgcm.HasErrors);
var tgcm = etgcm.Value;
Assert.IsNotNull(tgcm);
Assert.IsNotNull(tgcm.Item1);
Assert.IsNotNull(tgcm.Item2);
Assert.AreEqual(cmRoot.ID, tgcm.Item2.ID);
Assert.AreEqual(cmRoot.DateCommitted.ToString(), tgcm.Item2.DateCommitted.ToString());
Assert.AreEqual(cmRoot.Committer, tgcm.Item2.Committer);
Assert.AreEqual(cmRoot.Message, tgcm.Item2.Message);
}
private async Task <Errorable <Tag> > getTag(TagID id)
{
FileInfo fi = system.getPathByID(id);
if (!fi.Exists)
{
return(new TagIDRecordDoesNotExistError(id));
}
byte[] buf;
int nr = 0;
using (var fs = new FileStream(fi.FullName, FileMode.Open, FileAccess.Read, FileShare.Read, 16384, true))
{
// TODO: implement an async buffered Stream:
buf = new byte[16384];
nr = await fs.ReadAsync(buf, 0, 16384).ConfigureAwait(continueOnCapturedContext: false);
if (nr >= 16384)
{
// My, what a large tag you have!
throw new NotSupportedException();
}
}
Tag.Builder tb = new Tag.Builder();
// Parse the Tag:
using (var ms = new MemoryStream(buf, 0, nr, false))
using (var sr = new StreamReader(ms, Encoding.UTF8))
{
string line = sr.ReadLine();
// Set CommitID:
if (line == null || !line.StartsWith("commit "))
{
return(new TagParseExpectedCommitError());
}
var ecid = CommitID.TryParse(line.Substring("commit ".Length));
if (ecid.HasErrors)
{
return(ecid.Errors);
}
tb.CommitID = ecid.Value;
// Set Name:
line = sr.ReadLine();
if (line == null || !line.StartsWith("name "))
{
return(new TagParseExpectedNameError());
}
tb.Name = (TagName)line.Substring("name ".Length);
// Set Tagger:
line = sr.ReadLine();
if (line == null || !line.StartsWith("tagger "))
{
return(new TagParseExpectedTaggerError());
}
tb.Tagger = line.Substring("tagger ".Length);
// Set DateTagged:
line = sr.ReadLine();
if (line == null || !line.StartsWith("date "))
{
return(new TagParseExpectedDateError());
}
// NOTE: date parsing will result in an inexact DateTimeOffset from what was created with, but it
// is close enough because the SHA-1 hash is calculated using the DateTimeOffset.ToString(), so
// only the ToString() representations of the DateTimeOffsets need to match.
DateTimeOffset tmpDate;
if (!DateTimeOffset.TryParse(line.Substring("date ".Length), out tmpDate))
{
return(new TagParseBadDateFormatError());
}
tb.DateTagged = tmpDate;
// Skip empty line:
line = sr.ReadLine();
if (line == null || line.Length != 0)
{
return(new TagParseExpectedBlankLineError());
}
// Set Message:
tb.Message = sr.ReadToEnd();
}
// Create the immutable Tag from the Builder:
Tag tg = tb;
// Validate the computed TagID:
if (tg.ID != id)
{
return(new ComputedTagIDMismatchError(tg.ID, id));
}
return(tg);
}
