114 lines
4 KiB
Ruby
114 lines
4 KiB
Ruby
require "cases/helper"
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require 'models/club'
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require 'models/member'
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require 'models/membership'
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require 'models/sponsor'
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class HasOneThroughAssociationsTest < ActiveRecord::TestCase
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fixtures :members, :clubs, :memberships, :sponsors
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def setup
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@member = members(:groucho)
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end
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def test_has_one_through_with_has_one
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assert_equal clubs(:boring_club), @member.club
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end
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def test_has_one_through_with_has_many
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assert_equal clubs(:moustache_club), @member.favourite_club
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end
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def test_creating_association_creates_through_record
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new_member = Member.create(:name => "Chris")
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new_member.club = Club.create(:name => "LRUG")
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assert_not_nil new_member.current_membership
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assert_not_nil new_member.club
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end
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def test_replace_target_record
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new_club = Club.create(:name => "Marx Bros")
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@member.club = new_club
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@member.reload
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assert_equal new_club, @member.club
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end
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def test_replacing_target_record_deletes_old_association
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assert_no_difference "Membership.count" do
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new_club = Club.create(:name => "Bananarama")
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@member.club = new_club
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@member.reload
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end
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end
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def test_has_one_through_polymorphic
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assert_equal clubs(:moustache_club), @member.sponsor_club
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end
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def has_one_through_to_has_many
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assert_equal 2, @member.fellow_members.size
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end
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def test_has_one_through_eager_loading
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members = assert_queries(3) do #base table, through table, clubs table
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Member.find(:all, :include => :club, :conditions => ["name = ?", "Groucho Marx"])
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end
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assert_equal 1, members.size
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assert_not_nil assert_no_queries {members[0].club}
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end
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def test_has_one_through_eager_loading_through_polymorphic
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members = assert_queries(3) do #base table, through table, clubs table
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Member.find(:all, :include => :sponsor_club, :conditions => ["name = ?", "Groucho Marx"])
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end
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assert_equal 1, members.size
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assert_not_nil assert_no_queries {members[0].sponsor_club}
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end
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def test_has_one_through_polymorphic_with_source_type
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assert_equal members(:groucho), clubs(:moustache_club).sponsored_member
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end
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def test_eager_has_one_through_polymorphic_with_source_type
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clubs = Club.find(:all, :include => :sponsored_member, :conditions => ["name = ?","Moustache and Eyebrow Fancier Club"])
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# Only the eyebrow fanciers club has a sponsored_member
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assert_not_nil assert_no_queries {clubs[0].sponsored_member}
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end
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def test_has_one_through_nonpreload_eagerloading
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members = assert_queries(1) do
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Member.find(:all, :include => :club, :conditions => ["members.name = ?", "Groucho Marx"], :order => 'clubs.name') #force fallback
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end
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assert_equal 1, members.size
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assert_not_nil assert_no_queries {members[0].club}
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end
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def test_has_one_through_nonpreload_eager_loading_through_polymorphic
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members = assert_queries(1) do
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Member.find(:all, :include => :sponsor_club, :conditions => ["members.name = ?", "Groucho Marx"], :order => 'clubs.name') #force fallback
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end
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assert_equal 1, members.size
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assert_not_nil assert_no_queries {members[0].sponsor_club}
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end
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def test_has_one_through_nonpreload_eager_loading_through_polymorphic_with_more_than_one_through_record
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Sponsor.new(:sponsor_club => clubs(:crazy_club), :sponsorable => members(:groucho)).save!
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members = assert_queries(1) do
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Member.find(:all, :include => :sponsor_club, :conditions => ["members.name = ?", "Groucho Marx"], :order => 'clubs.name DESC') #force fallback
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end
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assert_equal 1, members.size
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assert_not_nil assert_no_queries { members[0].sponsor_club }
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assert_equal clubs(:crazy_club), members[0].sponsor_club
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end
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def test_uninitialized_has_one_through_should_return_nil_for_unsaved_record
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assert_nil Member.new.club
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end
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def test_assigning_association_correctly_assigns_target
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new_member = Member.create(:name => "Chris")
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new_member.club = new_club = Club.create(:name => "LRUG")
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assert_equal new_club, new_member.club.target
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end
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end
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