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require File.join(File.dirname(File.expand_path(__FILE__)), "spec_helper")
describe "Sequel::Plugins::AssociationProxies" do
before do
class ::Tag < Sequel::Model
end
class ::Item < Sequel::Model
plugin :association_proxies
many_to_many :tags
end
@i = Item.load(:id=>1)
@t = @i.tags
Item.db.reset
end
after do
Object.send(:remove_const, :Tag)
Object.send(:remove_const, :Item)
end
it "should send method calls to the associated object array if sent an array method" do
@i.associations.has_key?(:tags).should == false
@t.select{|x| false}.should == []
@i.associations.has_key?(:tags).should == true
end
it "should send method calls to the association dataset sent another method" do
@i.associations.has_key?(:tags).should == false
@t.filter(:a=>1).sql.should == "SELECT tags.* FROM tags INNER JOIN items_tags ON ((items_tags.tag_id = tags.id) AND (items_tags.item_id = 1)) WHERE (a = 1)"
@i.associations.has_key?(:tags).should == false
end
it "should reload the cached association if sent an array method and the reload flag was given" do
@t.select{|x| false}.should == []
Item.db.sqls.length == 1
@t.select{|x| false}.should == []
Item.db.sqls.length == 1
@i.tags(true).select{|x| false}.should == []
Item.db.sqls.length == 2
@t.filter(:a=>1).sql.should == "SELECT tags.* FROM tags INNER JOIN items_tags ON ((items_tags.tag_id = tags.id) AND (items_tags.item_id = 1)) WHERE (a = 1)"
Item.db.sqls.length == 2
end
it "should not return a proxy object for associations that do not return an array" do
Item.many_to_one :tag
proc{@i.tag.filter(:a=>1)}.should raise_error(NoMethodError)
Tag.one_to_one :item
proc{Tag.load(:id=>1, :item_id=>2).item.filter(:a=>1)}.should raise_error(NoMethodError)
end
end
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