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require 'spec_helper'
module RSpec::Core
describe SharedExampleGroup do
ExampleModule = Module.new
ExampleClass = Class.new
%w[share_examples_for shared_examples_for].each do |method_name|
describe method_name do
it "is exposed to the global namespace" do
Kernel.should respond_to(method_name)
end
it "raises an ArgumentError when adding a second shared example group with the same name" do
group = ExampleGroup.describe('example group')
group.send(method_name, 'shared group') {}
lambda do
group.send(method_name, 'shared group') {}
end.should raise_error(ArgumentError, "Shared example group 'shared group' already exists")
end
["name", :name, ExampleModule, ExampleClass].each do |object|
type = object.class.name.downcase
context "given a #{type}" do
it "captures the given #{type} and block in the World's collection of shared example groups" do
implementation = lambda {}
RSpec.world.shared_example_groups.should_receive(:[]=).with(object, implementation)
send(method_name, object, &implementation)
end
end
end
context "given a hash" do
it "delegates extend on configuration" do
implementation = Proc.new { def bar; 'bar'; end }
send(method_name, :foo => :bar, &implementation)
a = RSpec.configuration.include_or_extend_modules.first
a[0].should eq(:extend)
Class.new.extend(a[1]).new.bar.should eq('bar')
a[2].should eq(:foo => :bar)
end
end
context "given a string and a hash" do
it "captures the given string and block in the World's collection of shared example groups" do
implementation = lambda {}
RSpec.world.shared_example_groups.should_receive(:[]=).with("name", implementation)
send(method_name, "name", :foo => :bar, &implementation)
end
it "delegates extend on configuration" do
implementation = Proc.new { def bar; 'bar'; end }
send(method_name, "name", :foo => :bar, &implementation)
a = RSpec.configuration.include_or_extend_modules.first
a[0].should eq(:extend)
Class.new.extend(a[1]).new.bar.should eq('bar')
a[2].should eq(:foo => :bar)
end
end
end
end
describe "#share_as" do
it "is exposed to the global namespace" do
Kernel.should respond_to("share_as")
end
it "adds examples to current example_group using include", :compat => 'rspec-1.2' do
share_as('Cornucopia') do
it "is plentiful" do
5.should eq(4)
end
end
group = ExampleGroup.describe('group') { include Cornucopia }
phantom_group = group.children.first
phantom_group.description.should eql("")
phantom_group.metadata[:shared_group_name].should eql('Cornucopia')
phantom_group.examples.length.should eq(1)
phantom_group.examples.first.metadata[:description].should eq("is plentiful")
end
end
end
end
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