public void AddExistingEdge_MustIgnore()
{
Edge e1 = new Edge(new HashTag(), new HashTag());
Tweet t = new Tweet();
t.AddEdge(e1);
t.AddEdge(e1);
int expectecEdgeCount = 1;
Assert.AreEqual<int>(expectecEdgeCount, t.Edges.Length);
}
public void AddEdge_EdgeParentTweetMustBeSet()
{
Edge e1 = new Edge(new HashTag(), new HashTag());
Tweet t = new Tweet();
t.AddEdge(e1);
Assert.AreSame(t, e1.ParentTweet);
}
public void RemoveEdge()
{
Edge e1 = new Edge(new HashTag(), new HashTag());
Tweet t = new Tweet();
t.AddEdge(e1);
t.RemoveEdge(e1);
int expectecEdgeCount = 0;
Assert.AreEqual<int>(expectecEdgeCount, t.Edges.Length);
}
public void AddSameEdgeToTwoTweets_EdgeParentTweetMustBeTheLastOne()
{
Edge e1 = new Edge(new HashTag(), new HashTag());
Tweet t = new Tweet();
t.AddEdge(e1);
Tweet t2 = new Tweet();
t2.AddEdge(e1);
Assert.AreSame(t2, e1.ParentTweet);
}
public void Dispose_MustRemoveAllItsEdges()
{
Edge e1 = new Edge(new HashTag(), new HashTag());
Tweet t = new Tweet();
t.AddEdge(e1);
t.Dispose();
int expectedSiblingCount = 0;
Assert.AreEqual<int>(expectedSiblingCount, e1.Left.Siblings.Length);
Assert.AreEqual<int>(expectedSiblingCount, e1.Right.Siblings.Length);
}
/// <summary>
/// Process hashtags and their relational graph in a tweet
/// </summary>
/// <param name="tweet">Tweet to be processed</param>
/// <param name="tweetText">The cleaned-up ASCII string of the tweet.</param>
private static void ProcessHashtagData(Tweet tweet, string tweetText)
{
//Extract hashtags from tweet text
var hashtags = Regex.Matches(tweetText, @"(\b|\s)?#\w+");
foreach (Match tag in hashtags)
{
HashTag hashTag = null;
string strHashtagName = tag.Value.Trim().ToLower();
if (!_dicHashtagNameMappings.TryGetValue(strHashtagName, out hashTag))
{
hashTag = new HashTag()
{
Name = strHashtagName
};
_dicHashtagNameMappings.Add(strHashtagName, hashTag);
}
foreach (var t in tweet.HashTags)
{
if (t != hashTag)
{
Edge newEdge = new Edge(t, hashTag);
tweet.AddEdge(newEdge);
Edge edExisting = null;
if (_dicEdgeIdMappings.TryGetValue(newEdge.Id, out edExisting))
_dicEdgeIdMappings[newEdge.Id] = newEdge;
else
_dicEdgeIdMappings.Add(newEdge.Id, newEdge);
}
}
tweet.HashTags.Add(hashTag);
}
}