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require_relative "spec_helper"
describe "InstanceHooks plugin" do
def r(x=nil)
@r << x
yield if block_given?
x
end
before do
@c = Class.new(Sequel::Model(:items))
@c.plugin :instance_hooks
@c.raise_on_save_failure = false
@o = @c.new
@x = @c.load({:id=>1})
@r = []
end
it "should support before_create_hook and after_create_hook" do
@o.after_create_hook{r 1}
@o.before_create_hook{r 2}
@o.after_create_hook{r 3}
@o.before_create_hook{r 4}
@o.save.wont_equal nil
@r.must_equal [4, 2, 1, 3]
end
it "should cancel the save if before_create_hook block calls cancel_action" do
@o.after_create_hook{r 1}
@o.before_create_hook{r{@o.cancel_action}}
@o.before_create_hook{r 4}
@o.save.must_be_nil
@r.must_equal [4, nil]
@r.clear
@o.save.must_be_nil
@r.must_equal [4, nil]
end
it "should support before_update_hook and after_update_hook" do
@x.after_update_hook{r 1}
@x.before_update_hook{r 2}
@x.after_update_hook{r 3}
@x.before_update_hook{r 4}
@x.save.wont_equal nil
@r.must_equal [4, 2, 1, 3]
@x.save.wont_equal nil
@r.must_equal [4, 2, 1, 3]
end
it "should cancel the save if before_update_hook block calls cancel_action" do
@x.after_update_hook{r 1}
@x.before_update_hook{r{@x.cancel_action}}
@x.before_update_hook{r 4}
@x.save.must_be_nil
@r.must_equal [4, nil]
@r.clear
@x.save.must_be_nil
@r.must_equal [4, nil]
end
it "should support before_save_hook and after_save_hook" do
@o.after_save_hook{r 1}
@o.before_save_hook{r 2}
@o.after_save_hook{r 3}
@o.before_save_hook{r 4}
@o.save.wont_equal nil
@r.must_equal [4, 2, 1, 3]
@r.clear
@x.after_save_hook{r 1}
@x.before_save_hook{r 2}
@x.after_save_hook{r 3}
@x.before_save_hook{r 4}
@x.save.wont_equal nil
@r.must_equal [4, 2, 1, 3]
@x.save.wont_equal nil
@r.must_equal [4, 2, 1, 3]
end
it "should cancel the save if before_save_hook block calls cancel_action" do
@x.after_save_hook{r 1}
@x.before_save_hook{r{@x.cancel_action}}
@x.before_save_hook{r 4}
@x.save.must_be_nil
@r.must_equal [4, nil]
@r.clear
@x.after_save_hook{r 1}
@x.before_save_hook{r{@x.cancel_action}}
@x.before_save_hook{r 4}
@x.save.must_be_nil
@r.must_equal [4, nil]
@r.clear
@x.save.must_be_nil
@r.must_equal [4, nil]
end
it "should support before_destroy_hook and after_destroy_hook" do
@x.after_destroy_hook{r 1}
@x.before_destroy_hook{r 2}
@x.after_destroy_hook{r 3}
@x.before_destroy_hook{r 4}
@x.destroy.wont_equal nil
@r.must_equal [4, 2, 1, 3]
end
it "should cancel the destroy if before_destroy_hook block calls cancel_action" do
@x.after_destroy_hook{r 1}
@x.before_destroy_hook{r{@x.cancel_action}}
@x.before_destroy_hook{r 4}
@x.destroy.must_be_nil
@r.must_equal [4, nil]
end
it "should support before_validation_hook and after_validation_hook" do
@o.after_validation_hook{r 1}
@o.before_validation_hook{r 2}
@o.after_validation_hook{r 3}
@o.before_validation_hook{r 4}
@o.valid?.must_equal true
@r.must_equal [4, 2, 1, 3]
end
it "should cancel the save if before_validation_hook block calls cancel_action" do
@o.after_validation_hook{r 1}
@o.before_validation_hook{r{@o.cancel_action}}
@o.before_validation_hook{r 4}
@o.valid?.must_equal false
@r.must_equal [4, nil]
@r.clear
@o.valid?.must_equal false
@r.must_equal [4, nil]
end
it "should clear only related hooks on successful create" do
@o.after_destroy_hook{r 1}
@o.before_destroy_hook{r 2}
@o.after_update_hook{r 3}
@o.before_update_hook{r 4}
@o.before_save_hook{r 5}
@o.after_save_hook{r 6}
@o.before_create_hook{r 7}
@o.after_create_hook{r 8}
@o.save.wont_equal nil
@r.must_equal [5, 7, 8, 6]
@o.instance_variable_set(:@new, false)
@o.save.wont_equal nil
@r.must_equal [5, 7, 8, 6, 4, 3]
@o.save.wont_equal nil
@r.must_equal [5, 7, 8, 6, 4, 3]
@o.destroy
@r.must_equal [5, 7, 8, 6, 4, 3, 2, 1]
end
it "should clear only related hooks on successful update" do
@x.after_destroy_hook{r 1}
@x.before_destroy_hook{r 2}
@x.before_update_hook{r 3}
@x.after_update_hook{r 4}
@x.before_save_hook{r 5}
@x.after_save_hook{r 6}
@x.save.wont_equal nil
@r.must_equal [5, 3, 4, 6]
@x.save.wont_equal nil
@r.must_equal [5, 3, 4, 6]
@x.destroy
@r.must_equal [5, 3, 4, 6, 2, 1]
end
it "should clear only related hooks on successful destroy" do
@x.after_destroy_hook{r 1}
@x.before_destroy_hook{r 2}
@x.before_update_hook{r 3}
@x.before_save_hook{r 4}
@x.destroy
@r.must_equal [2, 1]
@x.save.wont_equal nil
@r.must_equal [2, 1, 4, 3]
end
it "should not clear validations hooks on successful save" do
@x.after_validation_hook{@x.errors.add(:id, 'a') if @x.id == 1; r 1}
@x.before_validation_hook{r 2}
@x.save.must_be_nil
@r.must_equal [2, 1]
@x.save.must_be_nil
@r.must_equal [2, 1, 2, 1]
@x.id = 2
@x.save.must_equal @x
@r.must_equal [2, 1, 2, 1, 2, 1]
@x.save.must_equal @x
@r.must_equal [2, 1, 2, 1, 2, 1]
end
it "should not allow addition of instance hooks to frozen instances" do
@x.after_destroy_hook{r 1}
@x.before_destroy_hook{r 2}
@x.before_update_hook{r 3}
@x.before_save_hook{r 4}
@x.freeze
proc{@x.after_destroy_hook{r 1}}.must_raise(Sequel::Error)
proc{@x.before_destroy_hook{r 2}}.must_raise(Sequel::Error)
proc{@x.before_update_hook{r 3}}.must_raise(Sequel::Error)
proc{@x.before_save_hook{r 4}}.must_raise(Sequel::Error)
end
end
describe "InstanceHooks plugin with transactions" do
before do
@db = Sequel.mock(:numrows=>1)
@c = Class.new(Sequel::Model(@db[:items])) do
attr_accessor :rb
def after_save
super
db.execute('as')
raise Sequel::Rollback if rb
end
def after_destroy
super
db.execute('ad')
raise Sequel::Rollback if rb
end
end
@c.use_transactions = true
@c.plugin :instance_hooks
@o = @c.load({:id=>1})
@or = @c.load({:id=>1})
@or.rb = true
@r = []
@db.sqls
end
it "should have *_hook methods return self "do
@o.before_destroy_hook{r 1}.must_be_same_as(@o)
@o.before_validation_hook{r 1}.must_be_same_as(@o)
@o.before_save_hook{r 1}.must_be_same_as(@o)
@o.before_update_hook{r 1}.must_be_same_as(@o)
@o.before_create_hook{r 1}.must_be_same_as(@o)
@o.after_destroy_hook{r 1}.must_be_same_as(@o)
@o.after_validation_hook{r 1}.must_be_same_as(@o)
@o.after_save_hook{r 1}.must_be_same_as(@o)
@o.after_update_hook{r 1}.must_be_same_as(@o)
@o.after_create_hook{r 1}.must_be_same_as(@o)
end
end
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