ruby on rails - has_one, dependent: destroy not working -


i using devise user authentication , destroy associated profile along user.

my failing spec looks this:

it "should destroy associated profile"   profile = @user.profile   @user.destroy   expect(profile).to be_nil end

and

in user model:

has_one :profile, dependent: :destroy

in profile model:

belongs_to :user

in console, can reproduce issue this:

2.0.0p247 :001 > @user = factorygirl.create(:user)    (1.5ms)  begin   user exists (2.9ms)  select 1 one "users" "users"."email" = 'person946979@example.com' limit 1   user exists (1.7ms)  select 1 one "users" lower("users"."email") = lower('person946979@example.com') limit 1   sql (15.7ms)  insert "users" ("created_at", "email", "encrypted_password", "name", "updated_at") values ($1, $2, $3, $4, $5) returning "id"  [["created_at", fri, 16 aug 2013 01:21:12 utc +00:00], ["email", "person946979@example.com"], ["encrypted_password", "$2a$10$0704xolw.6ze4hefdhaieuwnebbjzvzda3jwr052als5z3g77dgja"], ["name", "example user"], ["updated_at", fri, 16 aug 2013 01:21:12 utc +00:00]]   sql (3.8ms)  insert "profiles" ("created_at", "updated_at", "user_id") values ($1, $2, $3) returning "id"  [["created_at", fri, 16 aug 2013 01:21:12 utc +00:00], ["updated_at", fri, 16 aug 2013 01:21:12 utc +00:00], ["user_id", 25]]   profile load (3.4ms)  select "profiles".* "profiles" "profiles"."user_id" = $1 order "profiles"."id" asc limit 1  [["user_id", 25]]    (2.2ms)  commit  => #<user id: 25, email: "person946979@example.com", encrypted_password: "$2a$10$0704xolw.6ze4hefdhaieuwnebbjzvzda3jwr052als5...", reset_password_token: nil, reset_password_sent_at: nil, remember_created_at: nil, sign_in_count: 0, current_sign_in_at: nil, last_sign_in_at: nil, current_sign_in_ip: nil, last_sign_in_ip: nil, created_at: "2013-08-16 01:21:12", updated_at: "2013-08-16 01:21:12", name: "example user">  2.0.0p247 :002 > @user.destroy    (1.0ms)  begin   sql (2.5ms)  delete "profiles" "profiles"."id" = $1  [["id", 4]]   sql (5.4ms)  delete "users" "users"."id" = $1  [["id", 25]]    (2.0ms)  commit  => #<user id: 25, email: "person946979@example.com", encrypted_password: "$2a$10$0704xolw.6ze4hefdhaieuwnebbjzvzda3jwr052als5...", reset_password_token: nil, reset_password_sent_at: nil, remember_created_at: nil, sign_in_count: 0, current_sign_in_at: nil, last_sign_in_at: nil, current_sign_in_ip: nil, last_sign_in_ip: nil, created_at: "2013-08-16 01:21:12", updated_at: "2013-08-16 01:21:12", name: "example user">

interestingly, user appears have been deleted.

2.0.0p247 :003 > @user.reload.destroy   user load (2.7ms)  select "users".* "users" "users"."id" = $1 limit 1  [["id", 25]] activerecord::recordnotfound: couldn't find user id=25

what going on here?

your model seems fine. try this:

it "should destroy associated profile"   profile = @user.profile   @user.destroy   expect(profile.find(profile.id)).to be_nil end

like heungju said, while database row corresponds profile being destroyed, variable isn't.


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