public void InputShouldBeParsedCorrectly(string input, NntpPostingStatus expectedStatus, string expectedOtherGroup)
{
NntpPostingStatus status = PostingStatusParser.Parse(input, out string otherGroup);
Assert.Equal(expectedStatus, status);
Assert.Equal(expectedOtherGroup, otherGroup);
}
/// <summary>
/// Creates a new instance of the <see cref="NntpGroup"/> class.
/// </summary>
/// <param name="name">The name of the <see cref="NntpGroup"/>.</param>
/// <param name="articleCount">The estimated number of articles in the <see cref="NntpGroup"/>.</param>
/// <param name="lowWaterMark">The reported low water mark of the <see cref="NntpGroup"/>.</param>
/// <param name="highWaterMark">The reported high water mark of the <see cref="NntpGroup"/>.</param>
/// <param name="postingStatus">The current <see cref="NntpPostingStatus"/> of the <see cref="NntpGroup"/>.</param>
/// <param name="otherGroup">The name of the other <see cref="NntpGroup"/> under which the articles are filed when the
/// <see cref="PostingStatus"/> is <see cref="NntpPostingStatus.OnlyArticlesFromPeersPermittedFiledLocally"/>.</param>
/// <param name="articleNumbers">A list of <see cref="NntpArticle"/> numbers in the <see cref="NntpGroup"/>.</param>
public NntpGroup(
string name,
long articleCount,
long lowWaterMark,
long highWaterMark,
NntpPostingStatus postingStatus,
string otherGroup,
IEnumerable <long> articleNumbers)
{
Name = name ?? string.Empty;
ArticleCount = articleCount;
LowWaterMark = lowWaterMark;
HighWaterMark = highWaterMark;
PostingStatus = Enum.IsDefined(typeof(NntpPostingStatus), postingStatus) ? postingStatus : NntpPostingStatus.Unknown;
OtherGroup = otherGroup ?? string.Empty;
switch (articleNumbers)
{
case null:
// create empty immutable list
ArticleNumbers = new List <long>(0).ToImmutableList();
break;
case ICollection <long> collection:
// make immutable
ArticleNumbers = collection.OrderBy(n => n).ToImmutableList();
break;
default:
// not a collection but a stream of numbers, keep enumerator
// this is immutable already
ArticleNumbers = articleNumbers;
break;
}
}
private IEnumerable <NntpGroup> EnumerateGroups(IEnumerable <string> dataBlock)
{
if (dataBlock == null)
{
yield break;
}
int checkParameterCount = requestType == GroupStatusRequestType.Basic ? 4 : 5;
string errorMessage = requestType == GroupStatusRequestType.Basic
? "Invalid newsgroup information line: {Line} Expected: {{group}} {{high}} {{low}} {{status}}"
: "Invalid newsgroup information line: {Line} Expected: {{group}} {{high}} {{low}} {{count}} {{status}}";
foreach (string line in dataBlock)
{
string[] lineSplit = line.Split(' ');
if (lineSplit.Length < checkParameterCount)
{
log.LogError(errorMessage, line);
continue;
}
var argCount = 1;
int.TryParse(lineSplit[argCount++], out int highWaterMark);
int.TryParse(lineSplit[argCount++], out int lowWaterMark);
var articleCount = 0;
if (requestType == GroupStatusRequestType.Extended)
{
int.TryParse(lineSplit[argCount++], out articleCount);
}
NntpPostingStatus postingStatus = PostingStatusParser.Parse(lineSplit[argCount], out string otherGroup);
if (postingStatus == NntpPostingStatus.Unknown)
{
log.LogError("Invalid posting status {Status} in line: {Line}", lineSplit[argCount], line);
}
yield return(new NntpGroup(
lineSplit[0],
articleCount,
lowWaterMark,
highWaterMark,
postingStatus,
otherGroup,
new int[0]));
}
}
/// <summary>
/// Creates a new instance of the <see cref="NntpGroup"/> class.
/// </summary>
/// <param name="name">The name of the <see cref="NntpGroup"/>.</param>
/// <param name="articleCount">The estimated number of articles in the <see cref="NntpGroup"/>.</param>
/// <param name="lowWaterMark">The reported low water mark of the <see cref="NntpGroup"/>.</param>
/// <param name="highWaterMark">The reported high water mark of the <see cref="NntpGroup"/>.</param>
/// <param name="postingStatus">The current <see cref="NntpPostingStatus"/> of the <see cref="NntpGroup"/>.</param>
/// <param name="otherGroup">The name of the other <see cref="NntpGroup"/> under which the articles are filed when the
/// <see cref="PostingStatus"/> is <see cref="NntpPostingStatus.OnlyArticlesFromPeersPermittedFiledLocally"/>.</param>
/// <param name="articleNumbers">A list of <see cref="NntpArticle"/> numbers in the <see cref="NntpGroup"/>.</param>
public NntpGroup(
string name,
int articleCount,
int lowWaterMark,
int highWaterMark,
NntpPostingStatus postingStatus,
string otherGroup,
IEnumerable <int> articleNumbers)
{
Name = name ?? string.Empty;
ArticleCount = articleCount;
LowWaterMark = lowWaterMark;
HighWaterMark = highWaterMark;
PostingStatus = Enum.IsDefined(typeof(NntpPostingStatus), postingStatus) ? postingStatus : NntpPostingStatus.Unknown;
OtherGroup = otherGroup ?? string.Empty;
ArticleNumbers = articleNumbers ?? new int[0];
}
public void NntpGroupShouldBeSerializedAndDeserializedCorrectly(
string name,
int articleCount,
int lowWaterMark,
int highWaterMark,
NntpPostingStatus postingStatus,
string otherGroup,
int[] articleNumbers)
{
var expected = new NntpGroup(
name,
articleCount,
lowWaterMark,
highWaterMark,
postingStatus,
otherGroup,
articleNumbers);
string json = JsonConvert.SerializeObject(expected);
var actual = JsonConvert.DeserializeObject <NntpGroup>(json);
Assert.Equal(expected, actual);
}
