30 lines
769 B
Ruby
30 lines
769 B
Ruby
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require 'spec_helper'
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describe Impression do
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fixtures :widgets
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before(:each) do
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@widget = Widget.find(1)
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Impression.destroy_all
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end
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describe "self#counter_caching?" do
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it "should know when counter caching is enabled" do
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Widget.should be_counter_caching
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end
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it "should know when counter caching is disabled" do
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Article.should_not be_counter_caching
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end
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end
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describe "#update_counter_cache" do
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it "should update the counter cache column to reflect the correct number of impressions" do
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lambda {
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Impression.create(:impressionable_type => @widget.class.name, :impressionable_id => @widget.id)
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@widget.reload
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}.should change(@widget, :impressions_count).from(0).to(1)
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end
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end
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end
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