public void given_empty_post()
{
var source = new Post();
var bin = source.ToBinary();
var restored = Post.TryGetFromBinary(bin);
ShouldBeEqual(source, restored);
}
static void ShouldBeEqual(Post source, Post restored)
{
Assert.AreEqual(source.Id, restored.Id, "Id");
Assert.AreEqual(source.AnswerCount, restored.AnswerCount, "AnswerCount");
Assert.AreEqual(source.Body ?? "", restored.Body, "Body");
Assert.AreEqual(source.CommentCount, restored.CommentCount, "CommentCount");
Assert.AreEqual(source.CreationDate, restored.CreationDate, "CreationDate");
Assert.AreEqual(source.FavoriteCount, restored.FavoriteCount, "FavoriteCount");
Assert.AreEqual(source.LastEditDate, restored.LastEditDate, "LastEditDate");
Assert.AreEqual(source.OwnerUserId, restored.OwnerUserId, "OwnerUserId");
Assert.AreEqual(source.PostTypeId, restored.PostTypeId, "PostTypeId");
CollectionAssert.AreEqual(source.Tags, restored.Tags, "Tags");
Assert.AreEqual(source.Title ?? "", restored.Title, "Title");
Assert.AreEqual(source.ViewCount, restored.ViewCount, "ViewCount");
}
public void given_filled_post()
{
var source = new Post
{
Id = 101,
AnswerCount = 4,
Body = "Post body test",
CommentCount = 5,
CreationDate = new DateTime(2011, 12, 1, 13, 13, 13),
FavoriteCount = 9,
LastEditDate = new DateTime(2012, 12, 1, 13, 13, 13),
OwnerUserId = 45,
PostTypeId = 23,
Tags = new[] { "c#", ".net", "java" },
Title = "Post title test",
ViewCount = 555
};
var bin = source.ToBinary();
var restored = Post.TryGetFromBinary(bin);
ShouldBeEqual(source, restored);
}
private static Post PostParse(string line)
{
try
{
long defaultLong;
DateTime defaultDate;
var post = new Post
{
Id = long.TryParse(Get(line, "Id"), out defaultLong) ? defaultLong : -1,
PostTypeId = long.TryParse(Get(line, "PostTypeId"), out defaultLong) ? defaultLong : -1,
CreationDate = DateTime.TryParse(Get(line, "CreationDate"), out defaultDate) ? defaultDate : DateTime.MinValue,
ViewCount = long.TryParse(Get(line, "ViewCount"), out defaultLong) ? defaultLong : -1,
Body = HttpUtility.HtmlDecode(Get(line, "Body")),
OwnerUserId = long.TryParse(Get(line, "OwnerUserId"), out defaultLong) ? defaultLong : -1,
LastEditDate = DateTime.TryParse(Get(line, "LastEditDate"), out defaultDate) ? defaultDate : DateTime.MinValue,
Title = HttpUtility.HtmlDecode(Get(line, "Title")),
AnswerCount = long.TryParse(Get(line, "AnswerCount"), out defaultLong) ? defaultLong : -1,
CommentCount = long.TryParse(Get(line, "CommentCount"), out defaultLong) ? defaultLong : -1,
FavoriteCount = long.TryParse(Get(line, "FavoriteCount"), out defaultLong) ? defaultLong : -1,
Tags = (">" + HttpUtility.HtmlDecode(Get(line, "Tags")) + "<").Split(new[] { "><" }, StringSplitOptions.RemoveEmptyEntries)
};
return post;
}
catch (Exception)
{
return null;
}
}
public static Post TryGetFromBinary(byte[] data)
{
using (var mem = new MemoryStream(data))
using (var bin = new BinaryReader(mem))
{
if (bin.ReadInt32() != Signature)
return null;
var post = new Post
{
Id = bin.ReadInt64(),
PostTypeId = bin.ReadInt64(),
CreationDate = DateTime.FromBinary(bin.ReadInt64()),
ViewCount = bin.ReadInt64(),
Body = bin.ReadString(),
OwnerUserId = bin.ReadInt64(),
LastEditDate = DateTime.FromBinary(bin.ReadInt64()),
Title = bin.ReadString(),
AnswerCount = bin.ReadInt64(),
CommentCount = bin.ReadInt64(),
FavoriteCount = bin.ReadInt64()
};
var tags = new List<string>();
var tagCount = bin.ReadInt32();
for (var i = 0; i < tagCount; i++)
{
tags.Add(bin.ReadString());
}
post.Tags = tags.ToArray();
return post;
}
}
