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require_relative "spec_helper"
describe "accessed_columns plugin" do
before do
@db = Sequel.mock(:fetch=>{:name=>'a', :b=>'c'}, :numrows=>1)
@c = Class.new(Sequel::Model(@db[:test]))
@c.columns :name, :b
@c.plugin :accessed_columns
@o = @c.new
end
it "should record columns accessed" do
@o.accessed_columns.must_equal []
@o.name
@o.accessed_columns.must_equal [:name]
@o.name
@o.accessed_columns.must_equal [:name]
@o.b
@o.accessed_columns.sort_by{|s| s.to_s}.must_equal [:b, :name]
end
it "should clear accessed columns when refreshing" do
@o.name
@o.refresh
@o.accessed_columns.must_equal []
end
it "should clear accessed columns when saving" do
@o.name
@o.save
@o.accessed_columns.must_equal []
end
it "should work when duping and cloning instances" do
o = @o.dup
o.accessed_columns.must_be_empty
@o.name
o = @o.dup
@o.accessed_columns.must_equal [:name]
o.accessed_columns.must_equal [:name]
@o.b
@o.accessed_columns.sort_by{|s| s.to_s}.must_equal [:b, :name]
o.accessed_columns.must_equal [:name]
o2 = o.clone
o2.refresh
o.accessed_columns.must_equal [:name]
o2.accessed_columns.must_equal []
end
it "should not raise exceptions when object is frozen" do
@o.freeze
@o.name
end
end
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