private void Collect(DiffPair pair, ConcurrentDictionary <string, DataDiffTable> result)
{
var basis = pair.Base ?? new XElement("stub");
var updated = pair.Updated ?? new XElement("stub");
var baseTableName = pair.Updated.Attr("table");
var mixed = pair.Updated.Attr("mixed").ToBool();
var dynamicname = mixed || string.IsNullOrWhiteSpace(baseTableName);
var hierarchy = pair.Updated.Attr("tree").ToBool();
var script = pair.Updated.Attr("script");
if (string.IsNullOrWhiteSpace(script))
{
script = "10_Main";
}
var diffconfig = new XDiffOptions {
IsHierarchy = hierarchy,
MergeAttributeChanges = true,
TreatNewAttributesAsChanges = true,
TreatDeleteAttributesAsChanges = _context.EmptyAttributesAsUpdates,
IncludeActions = XDiffAction.RenameElement | XDiffAction.MainCreateOrUpdate
};
var sw = Stopwatch.StartNew();
var diff = new XDiffGenerator(diffconfig).GetDiff(basis, updated).ToArray();
Collect(dynamicname, baseTableName, diff, result, script);
sw.Stop();
_context.Log.Debug("diff of " + baseTableName + " : " + sw.Elapsed);
}
private static string GetResult(XElement b, XElement n, XDiffOptions opts = null)
{
var result = new XDiffGenerator(opts).GetDiff(b, n).LogToString().Replace("\"", "'").Trim();
Console.WriteLine(result);
return(result);
}
public void CanAppplyPatch()
{
var b = XElement.Parse("<a><z id='1' code='2' name='2'/><z id='3' code='3' name='4'/></a>");
var n = XElement.Parse("<a><z id='3' set-code='4' name='2'/><z id='1' set-code='3' name='4'/></a>");
Assert.True(new XDiffGenerator().IsDiff(b, n));
var result = new XDiffGenerator().GetDiff(b, n).Apply(b);
Console.WriteLine(result.ToString());
Assert.False(new XDiffGenerator().IsDiff(b, n));
}
public void CanAppplyPatchHierarchcallyWithNameChanges()
{
var b = XElement.Parse("<a><z code='2' name='y'/><z id='3' code='4'><x id='5' name='x'/></z></a>");
var n = XElement.Parse("<a><u code='2' name='y'><y id='5' name='x'/></u><z id='3' code='4'></z></a>");
var opts = new XDiffOptions {
IsHierarchy = true, IsNameIndepended = true
};
GetResult(b, n, opts);
Assert.True(new XDiffGenerator(opts).IsDiff(b, n));
var result = new XDiffGenerator(opts).GetDiff(b, n).Apply(b, opts);
Console.WriteLine(result.ToString());
Assert.False(new XDiffGenerator(opts).IsDiff(b, n));
}
public void LargeXmlPerformanceTest()
{
var sb = new StringBuilder();
for (var c = 500; c <= 100000; c += 500)
{
var x1 = new XElement("x1");
var x2 = new XElement("x2");
var rnd = new Random();
for (var i = 0; i < c; i++)
{
var id1 = i + 3;
var id2 = c - i + 4;
var n1 = rnd.Next(1000000);
var n2 = rnd.Next(1000000);
x1.Add(new XElement("x", new XAttribute("id", id1)
, new XAttribute("name", n1)
, new XAttribute("name1", n1)
, new XAttribute("name2", n1)
, new XAttribute("name3", n1)
));
x2.Add(new XElement("x", new XAttribute("id", id2)
, new XAttribute("name", n2)
, new XAttribute("name1", n2)
, new XAttribute("nam2", n2)
, new XAttribute("nam3", n2)
, new XAttribute("name4", n2)
));
}
var gen = new XDiffGenerator(new XDiffOptions {
MergeAttributeChanges = true, TreatNewAttributesAsChanges = true
});
var sw = Stopwatch.StartNew();
var diff = gen.GetDiff(x1, x2).ToArray();
sw.Stop();
sb.AppendFormat("{0};{1}\r\n", c, sw.Elapsed.TotalMilliseconds);
Console.WriteLine("{0}\t\t{1}", c, sw.Elapsed.TotalMilliseconds);
}
Console.WriteLine(sb.ToString());
File.WriteAllText(@"g:\repos\xdifftiming.csv", sb.ToString());
}
public void CanMergeNonSeparateNewAndUpdatedAttributes()
{
var b = XElement.Parse("<a><z id='1' name='2' a='3' b='4' c='5'/></a>");
var n = XElement.Parse("<a><z id='1' name='2' a='6' b='4' c='7' d='8' e='9'/></a>");
var opts = new XDiffOptions {
MergeAttributeChanges = true, TreatNewAttributesAsChanges = true
};
var diff = new XDiffGenerator(opts).GetDiff(b, n).ToArray();
var log = diff.LogToString();
Console.WriteLine(log);
Assert.AreEqual(1, diff.Length);
Assert.AreEqual(@"ChangeAttribute n0
BasisElement name=z id=1
NewestElement : (<update a=""6"" c=""7"" d=""8"" e=""9"" />)
", log);
diff.Apply(b, opts);
Assert.False(new XDiffGenerator().IsDiff(b, n));
}
public void LargeXmlPerformanceTest(){
var sb = new StringBuilder();
for (var c = 500; c <= 100000; c+=500){
var x1 = new XElement("x1");
var x2 = new XElement("x2");
var rnd = new Random();
for (var i = 0; i < c; i++){
var id1 = i + 3;
var id2 = c - i + 4;
var n1 = rnd.Next(1000000);
var n2 = rnd.Next(1000000);
x1.Add(new XElement("x", new XAttribute("id", id1)
, new XAttribute("name", n1)
, new XAttribute("name1", n1)
, new XAttribute("name2", n1)
, new XAttribute("name3", n1)
));
x2.Add(new XElement("x", new XAttribute("id", id2)
, new XAttribute("name", n2)
, new XAttribute("name1", n2)
, new XAttribute("nam2", n2)
, new XAttribute("nam3", n2)
, new XAttribute("name4", n2)
));
}
var gen = new XDiffGenerator(new XDiffOptions{MergeAttributeChanges = true, TreatNewAttributesAsChanges = true});
var sw = Stopwatch.StartNew();
var diff = gen.GetDiff(x1, x2).ToArray();
sw.Stop();
sb.AppendFormat("{0};{1}\r\n",c,sw.Elapsed.TotalMilliseconds);
Console.WriteLine("{0}\t\t{1}", c, sw.Elapsed.TotalMilliseconds);
}
Console.WriteLine(sb.ToString());
File.WriteAllText(@"g:\repos\xdifftiming.csv",sb.ToString());
}
public void CanMergeNonSeparateDeleteAsChangesAttributes()
{
var b = XElement.Parse("<a><z id='1' name='2' a='3' b='4' c='5' x='aaa6'/></a>");
var n = XElement.Parse("<a><z id='1' name='2' a='3' b='3' /></a>");
var opts = new XDiffOptions {
MergeAttributeChanges = true, TreatDeleteAttributesAsChanges = true
};
var diff = new XDiffGenerator(opts).GetDiff(b, n).ToArray();
var log = diff.LogToString();
Console.WriteLine(log);
Assert.AreEqual(1, diff.Length);
Assert.AreEqual(@"ChangeAttribute n0
BasisElement name=z id=1
NewestElement : (<update b=""3"" c=""0"" x="""" />)
".LfOnly().Trim(), log.LfOnly().Trim());
diff.Apply(b, opts);
Console.WriteLine(b);
Assert.AreEqual(@"<a>
<z id=""1"" name=""2"" a=""3"" b=""3"" c=""0"" x="""" />
</a>".Trim().LfOnly(), b.ToString().Trim().LfOnly());
}
private static string GetResult(XElement b, XElement n, XDiffOptions opts = null){
var result = new XDiffGenerator(opts).GetDiff(b, n).LogToString().Replace("\"", "'").Trim();
Console.WriteLine(result);
return result;
}
public void CanAppplyPatchHierarchcallyWithNameChanges()
{
var b = XElement.Parse("<a><z code='2' name='y'/><z id='3' code='4'><x id='5' name='x'/></z></a>");
var n = XElement.Parse("<a><u code='2' name='y'><y id='5' name='x'/></u><z id='3' code='4'></z></a>");
var opts = new XDiffOptions{IsHierarchy = true, IsNameIndepended = true};
GetResult(b, n, opts);
Assert.True(new XDiffGenerator(opts).IsDiff(b, n));
var result = new XDiffGenerator(opts).GetDiff(b, n).Apply(b,opts);
Console.WriteLine(result.ToString());
Assert.False(new XDiffGenerator(opts).IsDiff(b, n));
}
public void CanAppplyPatch()
{
var b = XElement.Parse("<a><z id='1' code='2' name='2'/><z id='3' code='3' name='4'/></a>");
var n = XElement.Parse("<a><z id='3' set-code='4' name='2'/><z id='1' set-code='3' name='4'/></a>");
Assert.True(new XDiffGenerator().IsDiff(b, n));
var result = new XDiffGenerator().GetDiff(b,n).Apply(b);
Console.WriteLine(result.ToString());
Assert.False(new XDiffGenerator().IsDiff(b,n));
}
public void CanMergeNonSeparateDeleteAsChangesAttributes()
{
var b = XElement.Parse("<a><z id='1' name='2' a='3' b='4' c='5' x='aaa6'/></a>");
var n = XElement.Parse("<a><z id='1' name='2' a='3' b='3' /></a>");
var opts = new XDiffOptions { MergeAttributeChanges = true, TreatDeleteAttributesAsChanges = true };
var diff = new XDiffGenerator(opts).GetDiff(b, n).ToArray();
var log = diff.LogToString();
Console.WriteLine(log);
Assert.AreEqual(1, diff.Length);
Assert.AreEqual(@"ChangeAttribute n0
BasisElement name=z id=1
NewestElement : (<update b=""3"" c=""0"" x="""" />)
".LfOnly().Trim(), log.LfOnly().Trim());
diff.Apply(b, opts);
Console.WriteLine(b);
Assert.AreEqual(@"<a>
<z id=""1"" name=""2"" a=""3"" b=""3"" c=""0"" x="""" />
</a>".Trim().LfOnly(),b.ToString().Trim().LfOnly());
}
public void CanMergeNonSeparateNewAndUpdatedAttributes()
{
var b = XElement.Parse("<a><z id='1' name='2' a='3' b='4' c='5'/></a>");
var n = XElement.Parse("<a><z id='1' name='2' a='6' b='4' c='7' d='8' e='9'/></a>");
var opts = new XDiffOptions { MergeAttributeChanges = true,TreatNewAttributesAsChanges = true};
var diff = new XDiffGenerator(opts).GetDiff(b, n).ToArray();
var log = diff.LogToString();
Console.WriteLine(log);
Assert.AreEqual(1, diff.Length);
Assert.AreEqual(@"ChangeAttribute n0
BasisElement name=z id=1
NewestElement : (<update a=""6"" c=""7"" d=""8"" e=""9"" />)
", log);
diff.Apply(b, opts);
Assert.False(new XDiffGenerator().IsDiff(b, n));
}