public async Task Test_04_FollowAsync()
{
using (KoalaBlogDbContext dbContext = new KoalaBlogDbContext())
{
PersonHandler perHandler = new PersonHandler(dbContext);
GroupHandler groupHandler = new GroupHandler(dbContext);
GroupMemberHandler gmHandler = new GroupMemberHandler(dbContext);
//1. test normal.
Person sam = CreatePerson("TestSam", "TestSam");
Person joan = CreatePerson("TestJoan", "TestJoan");
bool isSucceed = await perHandler.FollowAsync(sam.ID, joan.ID);
sam = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == sam.ID);
joan = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == joan.ID);
Assert.IsTrue(isSucceed);
Assert.AreEqual(sam.MyFollowingPersons.Count, 1);
Assert.AreEqual(sam.MyFans.Count, 0);
Assert.AreEqual(joan.MyFollowingPersons.Count, 0);
Assert.AreEqual(joan.MyFans.Count, 1);
//2. test one more time follow, and check it count was changed.
isSucceed = await perHandler.FollowAsync(sam.ID, joan.ID);
sam = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == sam.ID);
joan = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == joan.ID);
Assert.IsTrue(isSucceed);
Assert.AreEqual(sam.MyFollowingPersons.Count, 1);
Assert.AreEqual(sam.MyFollowingPersons.First().FollowingID, joan.ID);
Assert.AreEqual(sam.MyFans.Count, 0);
Assert.AreEqual(joan.MyFollowingPersons.Count, 0);
Assert.AreEqual(joan.MyFans.Count, 1);
Assert.AreEqual(joan.MyFans.First().FollowerID, sam.ID);
//3. test black list.
Person jay = CreatePerson("TestJay", "TestJay");
Person ken = CreatePerson("TestKen", "TestKen");
Group blackGroup = await groupHandler.CreateGroupAsync(ken.ID, "TestBGroup", GroupType.BlackList);
GroupMember gm_sam = new GroupMember()
{
PersonID = jay.ID,
GroupID = blackGroup.ID
};
gmHandler.Add(gm_sam);
gmHandler.SaveChanges();
bool isChecked = false;
try
{
isSucceed = await perHandler.FollowAsync(jay.ID, ken.ID);
}
catch (Exception ex)
{
isChecked = true;
Assert.AreEqual(ex.GetType(), typeof(DisplayableException));
Assert.AreEqual(ex.Message, "由于用户设置，你无法关注。");
}
Assert.IsTrue(isChecked);
jay = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == jay.ID);
ken = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == ken.ID);
Assert.AreEqual(jay.MyFollowingPersons.Count, 0);
Assert.AreEqual(jay.MyFans.Count, 0);
Assert.AreEqual(ken.MyFollowingPersons.Count, 0);
Assert.AreEqual(ken.MyFans.Count, 0);
}
}
public async Task Test_05_UnFollowAsync()
{
using (KoalaBlogDbContext dbContext = new KoalaBlogDbContext())
{
PersonHandler perHandler = new PersonHandler(dbContext);
//1. test normal and confirm follow succeed.
Person kity = CreatePerson("TestKity", "TestKity");
Person judy = CreatePerson("TestJudy", "TestJudy");
bool isSucceed = await perHandler.FollowAsync(kity.ID, judy.ID);
kity = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == kity.ID);
judy = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == judy.ID);
Assert.IsTrue(isSucceed);
Assert.AreEqual(kity.MyFollowingPersons.Count, 1);
Assert.AreEqual(kity.MyFans.Count, 0);
Assert.AreEqual(judy.MyFollowingPersons.Count, 0);
Assert.AreEqual(judy.MyFans.Count, 1);
//2. unfollow now.
bool isUnFollowSucceed = await perHandler.UnFollowAsync(kity.ID, judy.ID);
kity = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == kity.ID);
judy = await perHandler.Include(x => x.MyFollowingPersons, x => x.MyFans).SingleOrDefaultAsync(x => x.ID == judy.ID);
Assert.IsTrue(isUnFollowSucceed);
Assert.AreEqual(kity.MyFollowingPersons.Count, 0);
Assert.AreEqual(kity.MyFans.Count, 0);
Assert.AreEqual(judy.MyFollowingPersons.Count, 0);
Assert.AreEqual(judy.MyFans.Count, 0);
//3. unfollow again, it will be do nothing.
isUnFollowSucceed = await perHandler.UnFollowAsync(kity.ID, judy.ID);
Assert.IsTrue(isUnFollowSucceed);
}
}
/// <summary>
/// 关注
/// </summary>
/// <param name="followerId">关注者ID</param>
/// <param name="followingId">被关注者ID</param>
/// <returns></returns>
public async Task<bool> FollowAsync(long followerId, long followingId)
{
using (KoalaBlogDbContext dbContext = new KoalaBlogDbContext())
{
PersonHandler perHandler = new PersonHandler(dbContext);
return await perHandler.FollowAsync(followerId, followingId);
}
}