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Project: RSpec Core 2.12

Publisher: RSpec

shared context

Use shared_context to define a block that will be evaluated in the context
of example groups either explicitly, using include_context, or implicitly by
matching metadata.

Background
Given
a file named "shared_stuff.rb" with: 
shared_context "shared stuff", :a => :b do
  before { @some_var = :some_value }
  def shared_method
    "it works"
  end
  let(:shared_let) { {'arbitrary' => 'object'} }
  subject do
    'this is the subject'
  end
end
Scenarios
declare shared context and include it with include_context
Given
a file named "shared_context_example.rb" with: 
require "./shared_stuff.rb"

describe "group that includes a shared context using 'include_context'" do
  include_context "shared stuff"

  it "has access to methods defined in shared context" do
    shared_method.should eq("it works")
  end

  it "has access to methods defined with let in shared context" do
    shared_let['arbitrary'].should eq('object')
  end

  it "runs the before hooks defined in the shared context" do
    @some_var.should be(:some_value)
  end

  it "accesses the subject defined in the shared context" do
    subject.should eq('this is the subject')
  end
end
When
I run rspec shared_context_example.rb
Then
the examples should all pass
declare shared context and include it with metadata
Given
a file named "shared_context_example.rb" with: 
require "./shared_stuff.rb"

describe "group that includes a shared context using metadata", :a => :b do
  it "has access to methods defined in shared context" do
    shared_method.should eq("it works")
  end

  it "has access to methods defined with let in shared context" do
    shared_let['arbitrary'].should eq('object')
  end

  it "runs the before hooks defined in the shared context" do
    @some_var.should be(:some_value)
  end

  it "accesses the subject defined in the shared context" do
    subject.should eq('this is the subject')
  end
end
When
I run rspec shared_context_example.rb
Then
the examples should all pass

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