impressionist/test_app/spec/models/counter_caching_spec.rb

51 lines
1.3 KiB
Ruby

require 'spec_helper'
describe Impression do
fixtures :widgets
before(:each) do
@widget = Widget.find(1)
Impression.destroy_all
end
describe "self#impressionist_counter_caching?" do
it "should know when counter caching is enabled" do
Widget.should be_impressionist_counter_caching
end
it "should know when counter caching is disabled" do
Article.should_not be_impressionist_counter_caching
end
end
describe "self#counter_caching?" do
it "should know when counter caching is enabled" do
ActiveSupport::Deprecation.should_receive(:warn)
Widget.should be_counter_caching
end
it "should know when counter caching is disabled" do
ActiveSupport::Deprecation.should_receive(:warn)
Article.should_not be_counter_caching
end
end
describe "#update_impressionist_counter_cache" do
it "should update the counter cache column to reflect the correct number of impressions" do
lambda {
@widget.impressions.create(:request_hash => 'abcd1234')
@widget.reload
}.should change(@widget, :impressions_count).from(0).to(1)
end
it "should not update the timestamp on the impressable" do
lambda {
@widget.impressions.create(:request_hash => 'abcd1234')
@widget.reload
}.should_not change(@widget, :updated_at)
end
end
end