public void GetFollowersNotBeingFollowedUserNames_ReturnsNullReferenceException_WhenUserIsNull()
{
// Act & Assert
var ex = Assert.Throws <NullReferenceException>(() => UserNetworkHelpers.GetFollowersNotBeingFollowedUserNames(null));
Assert.Equal("The user is null", ex.Message);
}
public void GetFollowersNotBeingFollowedUserNames_ReturnsNullReferenceException_WhenFollowingCollectionIsNull()
{
// Arrange
var user = new ApplicationUser()
{
UserName = "******"
};
user.Following = null;
user.Followers = new List <Network>();
// Act & Assert
var ex = Assert.Throws <NullReferenceException>(() => UserNetworkHelpers.GetFollowersNotBeingFollowedUserNames(user));
Assert.Equal("The following collection is null", ex.Message);
}
public async Task <IActionResult> GetNetworkSummaryAsync()
{
try
{
var requestingUser = await _userManager.GetUserWithNetworkAsync(User.Identity.Name);
if (requestingUser is null)
{
_logger.LogError(LoggingEvents.GetItemNotFound, "requesting user not found");
return(StatusCode(500, "requesting user not found"));
}
var model = new NetworkSummaryDto
{
FollowersCount = requestingUser.Followers.Count,
FollowingCount = requestingUser.Following.Count
};
var followersNotBeingFollowed = UserNetworkHelpers.GetFollowersNotBeingFollowedUserNames(requestingUser);
if (followersNotBeingFollowed.Any())
{
// ToDo: needs to be paged or Take(x)
var users = await _userManager.GetUsersAsync(user => followersNotBeingFollowed.Contains(user.UserName));
model.SuggestedUsersToFollow = _mapper.Map <IEnumerable <ApplicationUser>, IEnumerable <NetworkUserViewModel> >(users);
return(Ok(model));
}
else
{
// ToDo: needs to be paged or Take(x)
var followingUsernamesList = UserNetworkHelpers.GetFollowingUserNames(requestingUser.Following);
var users = await _userManager.GetUsersAsync(user => !followingUsernamesList.Contains(user.UserName) && user.UserName != requestingUser.UserName);
model.SuggestedUsersToFollow = _mapper.Map <IEnumerable <ApplicationUser>, IEnumerable <NetworkUserViewModel> >(users);
return(Ok(model));
}
}
catch (Exception ex)
{
_logger.LogError(LoggingEvents.Exception, ex, $"an unexpected error occurred");
return(StatusCode(500, "an unexpected error occurred"));
}
}
public void GetFollowersNotBeingFollowedUserNames_ReturnsEmptyCollection_WhenInputCollectionIsEmpty(int length)
{
// Arrange
var user = new ApplicationUser()
{
UserName = "******"
};
user.Following = GetDynamicNetworkCollection(length);
user.Followers = new List <Network>();
// Act
var result = UserNetworkHelpers.GetFollowersNotBeingFollowedUserNames(user);
// Assert
Assert.IsAssignableFrom <IEnumerable <String> >(result);
Assert.Empty(result);
}
public void GetFollowersNotBeingFollowedUserNames_ReturnsCollection_WhenCollectionsAreGreaterThanOne()
{
// Arrange
var user = new ApplicationUser()
{
UserName = "******"
};
user.Following = GetDynamicNetworkCollection(3);
user.Followers = GetDynamicNetworkCollection(6);
// Act
var result = UserNetworkHelpers.GetFollowersNotBeingFollowedUserNames(user);
// Assert
var t = Assert.IsAssignableFrom <IEnumerable <String> >(result);
Assert.Equal(3, t.Count());
}