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require_relative "spec_helper"
describe "forbid_lazy_load plugin" do
before do
@c = Class.new(Sequel::Model)
@c.set_dataset Sequel::Model.db[:ts].with_fetch({:id=>2, :t_id=>3})
@c.plugin :forbid_lazy_load
@c.columns :id, :t_id
@c.many_to_one :t, :class=>@c, :key=>:t_id
@c.one_to_many :ts, :class=>@c, :key=>:t_id
@c.many_to_many :mtm_ts, :class=>@c, :join_table=>:ts, :left_key=>:id, :right_key=>:t_id
@c.one_to_one :otoo_t, :class=>@c, :key=>:t_id
@c.one_through_one :oto_t, :class=>@c, :join_table=>:ts, :left_key=>:id, :right_key=>:t_id
@o1 = @c.load(:id=>1, :t_id=>2)
@o2 = @c.load(:id=>2, :t_id=>3)
end
it "should not forbid lazy load if not set at instance level" do
@o1.t.must_equal @o2
@o1.ts.must_equal [@o2]
@o1.mtm_ts.must_equal [@o2]
@o1.otoo_t.must_equal @o2
@o1.oto_t.must_equal @o2
end
it "should forbid lazy load when using :forbid_lazy_load true association method option" do
proc{@o1.t(:forbid_lazy_load=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.ts(:forbid_lazy_load=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.mtm_ts(:forbid_lazy_load=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.otoo_t(:forbid_lazy_load=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.oto_t(:forbid_lazy_load=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
it "should forbid lazy load if set at instance level" do
@o1.forbid_lazy_load.must_be_same_as @o1
proc{@o1.t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.mtm_ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.oto_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
it "should allow lazy load for instance if set at instance level" do
o = @c.all.first
o.allow_lazy_load.must_be_same_as o
o.t.must_equal @o2
o.ts.must_equal [@o2]
o.mtm_ts.must_equal [@o2]
o.otoo_t.must_equal @o2
o.oto_t.must_equal @o2
end
it "should forbid lazy load if retrieved by dataset via Dataset#all" do
o = @c.all.first
proc{o.t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.mtm_ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.oto_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
it "should forbid lazy load if retrieved by dataset via Dataset#each" do
o = @c.each{|x| break x}
proc{o.t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.mtm_ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.oto_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
it "should forbid lazy load if retrieved by dataset via Dataset#where_each" do
5.times do
o = @c.where_each(:id=>1){|x| break x}
proc{o.t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.mtm_ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.oto_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
end
it "should forbid lazy load if retrieved by dataset via Dataset#first with integer argument" do
5.times do
o = @c.first(2)[0]
proc{o.t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.mtm_ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.oto_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
o = @c.first(2){id > 0}[0]
proc{o.t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.mtm_ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.oto_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
end
it "should not forbid lazy load if retrieved by dataset via Dataset#first with no arguments" do
5.times do
o = @c.first
o.t.must_equal @o2
o.ts.must_equal [@o2]
o.mtm_ts.must_equal [@o2]
o.otoo_t.must_equal @o2
o.oto_t.must_equal @o2
end
end
it "should not forbid lazy load if retrieved by dataset via Dataset#first with hash argument" do
5.times do
o = @c.first(id: 2)
o.t.must_equal @o2
o.ts.must_equal [@o2]
o.mtm_ts.must_equal [@o2]
o.otoo_t.must_equal @o2
o.oto_t.must_equal @o2
end
end
it "should not forbid lazy load if retrieved by dataset via Dataset#first with block" do
5.times do
o = @c.first{id > 1}
o.t.must_equal @o2
o.ts.must_equal [@o2]
o.mtm_ts.must_equal [@o2]
o.otoo_t.must_equal @o2
o.oto_t.must_equal @o2
end
end
it "should not forbid lazy load if retrieved by dataset via Dataset#with_pk" do
5.times do
o = @c.dataset.with_pk(1)
o.t.must_equal @o2
o.ts.must_equal [@o2]
o.mtm_ts.must_equal [@o2]
o.otoo_t.must_equal @o2
o.oto_t.must_equal @o2
end
end
it "should not forbid lazy load for associated objects returned by singular associations" do
[@o1.t, @o1.otoo_t, @o1.oto_t].each do |o|
o.associations.clear
o.t.must_equal @o2
o.ts.must_equal [@o2]
o.mtm_ts.must_equal [@o2]
o.otoo_t.must_equal @o2
o.oto_t.must_equal @o2
end
end
it "should forbid lazy load for associated objects returned by plural associations" do
[@o1.ts, @o1.mtm_ts].each do |os|
o = os.first
o.associations.clear
proc{o.t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.mtm_ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{o.oto_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
end
it "should allow association access if cached even if forbidding lazy loading" do
@o1.t.must_equal @o2
@o1.ts.must_equal [@o2]
@o1.mtm_ts.must_equal [@o2]
@o1.otoo_t.must_equal @o2
@o1.oto_t.must_equal @o2
@o1.forbid_lazy_load
@o1.t.must_equal @o2
@o1.ts.must_equal [@o2]
@o1.mtm_ts.must_equal [@o2]
@o1.otoo_t.must_equal @o2
@o1.oto_t.must_equal @o2
end
it "should forbid lazy load for associations if forbid_lazy_load true association option is used" do
@c.many_to_one :t, :class=>@c, :key=>:t_id, :forbid_lazy_load=>true
@c.one_to_many :ts, :class=>@c, :key=>:t_id, :forbid_lazy_load=>true
@c.many_to_many :mtm_ts, :class=>@c, :join_table=>:ts, :left_key=>:id, :right_key=>:t_id, :forbid_lazy_load=>true
@c.one_to_one :otoo_t, :class=>@c, :key=>:t_id, :forbid_lazy_load=>true
@c.one_through_one :oto_t, :class=>@c, :join_table=>:ts, :left_key=>:id, :right_key=>:t_id, :forbid_lazy_load=>true
proc{@o1.t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.mtm_ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.oto_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
it "should allow lazy load for associations even if instances have it forbidden if forbid_lazy_load false association option is used" do
@c.many_to_one :t, :class=>@c, :key=>:t_id, :forbid_lazy_load=>false
@c.one_to_many :ts, :class=>@c, :key=>:t_id, :forbid_lazy_load=>false
@c.many_to_many :mtm_ts, :class=>@c, :join_table=>:ts, :left_key=>:id, :right_key=>:t_id, :forbid_lazy_load=>false
@c.one_to_one :otoo_t, :class=>@c, :key=>:t_id, :forbid_lazy_load=>false
@c.one_through_one :oto_t, :class=>@c, :join_table=>:ts, :left_key=>:id, :right_key=>:t_id, :forbid_lazy_load=>false
o = @c.all.first
o.t.must_equal @o2
o.ts.must_equal [@o2]
o.mtm_ts.must_equal [@o2]
o.otoo_t.must_equal @o2
o.oto_t.must_equal @o2
end
it "should forbid lazy load after finalizing associations if not using static_cache in associated class" do
@c.finalize_associations
@o1.forbid_lazy_load
proc{@o1.t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.mtm_ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.otoo_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.oto_t}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
it "should set forbid_lazy_load false association option if using static_cache in associated class and using allow_lazy_load_for_static_cache_associations" do
@c.plugin :static_cache
@c.allow_lazy_load_for_static_cache_associations
@o1.forbid_lazy_load
@o1.t.must_equal @o2
@o1.ts.must_equal [@o2]
@o1.mtm_ts.must_equal [@o2]
@o1.otoo_t.must_equal @o2
@o1.oto_t.must_equal @o2
end
it "should automatically set forbid_lazy_load false association option when finalizing associations if using static_cache in associated class" do
@c.plugin :static_cache
@c.finalize_associations
@o1.forbid_lazy_load
@o1.t.must_equal @o2
@o1.ts.must_equal [@o2]
@o1.mtm_ts.must_equal [@o2]
@o1.otoo_t.must_equal @o2
@o1.oto_t.must_equal @o2
end
it "should allow lazy load when forbidden when using :reload association method option" do
@o1.forbid_lazy_load
@o1.t(:reload=>true).must_equal @o2
@o1.ts(:reload=>true).must_equal [@o2]
@o1.mtm_ts(:reload=>true).must_equal [@o2]
@o1.otoo_t(:reload=>true).must_equal @o2
@o1.oto_t(:reload=>true).must_equal @o2
end
it "should work correctly if loading an associated object for a class that does not use the forbid_lazy_load plugin" do
c = Class.new(Sequel::Model)
c.set_dataset Sequel::Model.db[:ts].with_fetch({:id=>2, :t_id=>3})
@c.one_to_one :otoo_t, :class=>c, :key=>:t_id
@o1.otoo_t.must_equal c.load(@o2.values)
end
it "should not allow lazy load for associations to static cache models not using forbid_lazy_load plugin" do
c = Class.new(Sequel::Model)
c.set_dataset Sequel::Model.db[:ts].with_fetch({:id=>2, :t_id=>3})
@c.one_to_many :ts, :class=>c, :key=>:t_id
@c.plugin :static_cache
@c.finalize_associations
@o1.forbid_lazy_load
@o1.t.must_equal @o2
proc{@o1.ts}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
@o1.mtm_ts.must_equal [@o2]
@o1.otoo_t.must_equal @o2
@o1.oto_t.must_equal @o2
end
it "should allow lazy load when forbidden when using :forbid_lazy_load false association option" do
@o1.forbid_lazy_load
@o1.t(:forbid_lazy_load=>false).must_equal @o2
@o1.ts(:forbid_lazy_load=>false).must_equal [@o2]
@o1.mtm_ts(:forbid_lazy_load=>false).must_equal [@o2]
@o1.otoo_t(:forbid_lazy_load=>false).must_equal @o2
@o1.oto_t(:forbid_lazy_load=>false).must_equal @o2
end
it "should forbid lazy load when using :forbid_lazy_load true association method option even when using :reload association method option" do
proc{@o1.t(:forbid_lazy_load=>true, :reload=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.ts(:forbid_lazy_load=>true, :reload=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.mtm_ts(:forbid_lazy_load=>true, :reload=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.otoo_t(:forbid_lazy_load=>true, :reload=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
proc{@o1.oto_t(:forbid_lazy_load=>true, :reload=>true)}.must_raise Sequel::Plugins::ForbidLazyLoad::Error
end
it "should not effect naked datasets" do
@c.naked.all.must_equal [{:id=>2, :t_id=>3}]
@c.naked.where_each(:id=>1){|x| break x}.must_equal(:id=>2, :t_id=>3)
end
it "should handle datasets without row_procs" do
ds = @c.naked
ds.all.first.must_equal(:id=>2, :t_id=>3)
ds.each{|x| break x}.must_equal(:id=>2, :t_id=>3)
ds.where_each(:id=>1){|x| break x}.must_equal(:id=>2, :t_id=>3)
ds.first(2)[0].must_equal(:id=>2, :t_id=>3)
ds.first(2){id > 0}[0].must_equal(:id=>2, :t_id=>3)
ds.first.must_equal(:id=>2, :t_id=>3)
ds.first{id > 1}.must_equal(:id=>2, :t_id=>3)
ds.first(:id=>2).must_equal(:id=>2, :t_id=>3)
ds.with_pk(1).must_equal(:id=>2, :t_id=>3)
end
it "should handle datasets with row_procs different from the model" do
ds = @c.dataset.with_row_proc(proc{|x| x})
ds.all.first.must_equal(:id=>2, :t_id=>3)
ds.each{|x| break x}.must_equal(:id=>2, :t_id=>3)
ds.where_each(:id=>1){|x| break x}.must_equal(:id=>2, :t_id=>3)
ds.first(2)[0].must_equal(:id=>2, :t_id=>3)
ds.first(2){id > 0}[0].must_equal(:id=>2, :t_id=>3)
ds.first.must_equal(:id=>2, :t_id=>3)
ds.first{id > 1}.must_equal(:id=>2, :t_id=>3)
ds.first(:id=>2).must_equal(:id=>2, :t_id=>3)
ds.with_pk(1).must_equal(:id=>2, :t_id=>3)
end
end
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