/// <summary>
/// Compare to packages by parts like streams
/// </summary>
/// <param name="left"></param>
/// <param name="right"></param>
/// <param name="compareToFirstDifference"></param>
/// <param name="excludeMethod"></param>
/// <param name="message"></param>
/// <returns></returns>
public static bool Compare(Package left, Package right, bool compareToFirstDifference,
Func <Uri, bool> excludeMethod, out string message)
{
#region Check
if (left == null)
{
throw new ArgumentNullException("left");
}
if (right == null)
{
throw new ArgumentNullException("right");
}
#endregion Check
excludeMethod = excludeMethod ?? (uri => false);
PackagePartCollection leftParts = left.GetParts();
PackagePartCollection rightParts = right.GetParts();
var pairs = new Dictionary <Uri, PartPair>();
foreach (PackagePart part in leftParts)
{
if (excludeMethod(part.Uri))
{
continue;
}
pairs.Add(part.Uri, new PartPair(part.Uri, CompareStatus.OnlyOnLeft));
}
foreach (PackagePart part in rightParts)
{
if (excludeMethod(part.Uri))
{
continue;
}
PartPair pair;
if (pairs.TryGetValue(part.Uri, out pair))
{
pair.Status = CompareStatus.Equal;
}
else
{
pairs.Add(part.Uri, new PartPair(part.Uri, CompareStatus.OnlyOnRight));
}
}
if (compareToFirstDifference && pairs.Any(pair => pair.Value.Status != CompareStatus.Equal))
{
goto EXIT;
}
foreach (PartPair pair in pairs.Values)
{
if (pair.Status != CompareStatus.Equal)
{
continue;
}
var leftPart = left.GetPart(pair.Uri);
var rightPart = right.GetPart(pair.Uri);
using (Stream leftPackagePartStream = leftPart.GetStream(FileMode.Open, FileAccess.Read))
using (Stream rightPackagePartStream = rightPart.GetStream(FileMode.Open, FileAccess.Read))
using (var leftMemoryStream = new MemoryStream())
using (var rightMemoryStream = new MemoryStream())
{
leftPackagePartStream.CopyTo(leftMemoryStream);
rightPackagePartStream.CopyTo(rightMemoryStream);
leftMemoryStream.Seek(0, SeekOrigin.Begin);
rightMemoryStream.Seek(0, SeekOrigin.Begin);
bool stripColumnWidthsFromSheet = TestHelper.StripColumnWidths &&
leftPart.ContentType == @"application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml" &&
rightPart.ContentType == @"application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml";
var tuple1 = new Tuple <Uri, Stream>(pair.Uri, leftMemoryStream);
var tuple2 = new Tuple <Uri, Stream>(pair.Uri, rightMemoryStream);
if (!StreamHelper.Compare(tuple1, tuple2, stripColumnWidthsFromSheet))
{
pair.Status = CompareStatus.NonEqual;
if (compareToFirstDifference)
{
goto EXIT;
}
}
}
}
EXIT:
List <PartPair> sortedPairs = pairs.Values.ToList();
sortedPairs.Sort((one, other) => one.Uri.OriginalString.CompareTo(other.Uri.OriginalString));
var sbuilder = new StringBuilder();
foreach (PartPair pair in sortedPairs)
{
if (pair.Status == CompareStatus.Equal)
{
continue;
}
sbuilder.AppendFormat("{0} :{1}", pair.Uri, pair.Status);
sbuilder.AppendLine();
}
message = sbuilder.ToString();
return(message.Length == 0);
}
/// <summary>
/// Compare to packages by parts like streams
/// </summary>
/// <param name="left"></param>
/// <param name="right"></param>
/// <param name="compareToFirstDifference"></param>
/// <param name="excludeMethod"></param>
/// <param name="message"></param>
/// <returns></returns>
public static bool Compare(Package left, Package right, bool compareToFirstDifference,
Func <Uri, bool> excludeMethod, out string message)
{
#region Check
if (left == null)
{
throw new ArgumentNullException("left");
}
if (right == null)
{
throw new ArgumentNullException("right");
}
#endregion
excludeMethod = excludeMethod ?? (uri => false);
PackagePartCollection leftParts = left.GetParts();
PackagePartCollection rightParts = right.GetParts();
var pairs = new Dictionary <Uri, PartPair>();
foreach (PackagePart part in leftParts)
{
if (excludeMethod(part.Uri))
{
continue;
}
pairs.Add(part.Uri, new PartPair(part.Uri, CompareStatus.OnlyOnLeft));
}
foreach (PackagePart part in rightParts)
{
if (excludeMethod(part.Uri))
{
continue;
}
PartPair pair;
if (pairs.TryGetValue(part.Uri, out pair))
{
pair.Status = CompareStatus.Equal;
}
else
{
pairs.Add(part.Uri, new PartPair(part.Uri, CompareStatus.OnlyOnRight));
}
}
if (compareToFirstDifference && pairs.Any(pair => pair.Value.Status != CompareStatus.Equal))
{
goto EXIT;
}
foreach (PartPair pair in pairs.Values)
{
if (pair.Status != CompareStatus.Equal)
{
continue;
}
using (Stream oneStream = left.GetPart(pair.Uri).GetStream(FileMode.Open, FileAccess.Read))
using (Stream otherStream = right.GetPart(pair.Uri).GetStream(FileMode.Open, FileAccess.Read))
{
if (!StreamHelper.Compare(oneStream, otherStream))
{
pair.Status = CompareStatus.NonEqual;
if (compareToFirstDifference)
{
goto EXIT;
}
}
}
}
EXIT:
List <PartPair> sortedPairs = pairs.Values.ToList();
sortedPairs.Sort((one, other) => one.Uri.OriginalString.CompareTo(other.Uri.OriginalString));
var sbuilder = new StringBuilder();
foreach (PartPair pair in sortedPairs)
{
if (pair.Status == CompareStatus.Equal)
{
continue;
}
sbuilder.AppendFormat("{0} :{1}", pair.Uri, pair.Status);
sbuilder.AppendLine();
}
message = sbuilder.ToString();
return(message.Length == 0);
}
