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Testing behavior of before vs. before :each vs before :all

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before_spec.rb
Ruby
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require 'spec_helper'
 
$count = 0
$count_each = 0
$count_all = 0
 
shared_examples_for "before :each" do
it { should == 1 }
it { should == 2 }
end
 
describe "before" do
before do
$count += 1
end
 
subject { $count }
it_should_behave_like "before :each"
end
 
describe "before :each" do
before :each do
$count_each += 1
end
 
subject { $count_each }
it_should_behave_like "before :each"
end
 
describe "before :all" do
before :all do
$count_all += 1
end
 
subject { $count_all }
it { should == 1 }
it { should == 1 }
end

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