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require 'spec_helper'
module RandomTopLevelModule
def self.setup!
shared_examples_for("top level in module") {}
end
end
module RSpec::Core
describe SharedExampleGroup do
ExampleModule = Module.new
ExampleClass = Class.new
it 'does not add a bunch of private methods to Module' do
seg_methods = RSpec::Core::SharedExampleGroup.private_instance_methods
expect(Module.private_methods & seg_methods).to eq([])
end
module SharedExampleGroup
describe Registry do
it "can safely be reset when there aren't any shared groups" do
expect { Registry.new.clear }.to_not raise_error
end
end
end
before(:all) do
# this is a work around as SharedExampleGroup is not world safe
RandomTopLevelModule.setup!
end
%w[share_examples_for shared_examples_for shared_examples shared_context].each do |shared_method_name|
describe shared_method_name do
it "is exposed to the global namespace" do
expect(Kernel).to respond_to(shared_method_name)
end
it "displays a warning when adding a second shared example group with the same name" do
group = ExampleGroup.describe('example group')
group.send(shared_method_name, 'some shared group') {}
original_declaration = [__FILE__, __LINE__ - 1].join(':')
warning = nil
Kernel.stub(:warn) { |msg| warning = msg }
group.send(shared_method_name, 'some shared group') {}
second_declaration = [__FILE__, __LINE__ - 1].join(':')
expect(warning).to include('some shared group', original_declaration, second_declaration)
end
it 'works with top level defined examples in modules' do
expect(RSpec::configuration.reporter).to_not receive(:deprecation)
group = ExampleGroup.describe('example group') { include_context 'top level in module' }
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 collection of shared example groups" do
implementation = lambda {}
send(shared_method_name, object, &implementation)
expect(SharedExampleGroup.registry.shared_example_groups[self][object]).to eq implementation
end
end
end
context "given a hash" do
it "delegates extend on configuration" do
implementation = Proc.new { def bar; 'bar'; end }
send(shared_method_name, :foo => :bar, &implementation)
a = RSpec.configuration.include_or_extend_modules.first
expect(a[0]).to eq(:extend)
expect(Class.new.extend(a[1]).new.bar).to eq('bar')
expect(a[2]).to 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 {}
send(shared_method_name, "name", :foo => :bar, &implementation)
expect(SharedExampleGroup.registry.shared_example_groups[self]["name"]).to eq implementation
end
it "delegates extend on configuration" do
implementation = Proc.new { def bar; 'bar'; end }
send(shared_method_name, "name", :foo => :bar, &implementation)
a = RSpec.configuration.include_or_extend_modules.first
expect(a[0]).to eq(:extend)
expect(Class.new.extend(a[1]).new.bar).to eq('bar')
expect(a[2]).to eq(:foo => :bar)
end
end
end
end
describe "#share_as" do
before { allow(RSpec).to receive(:deprecate) }
it "is exposed to the global namespace" do
expect(Kernel).to 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
expect(5).to eq(4)
end
end
group = ExampleGroup.describe('group') { include Cornucopia }
phantom_group = group.children.first
expect(phantom_group.description).to eql("")
expect(phantom_group.metadata[:shared_group_name]).to eql('Cornucopia')
expect(phantom_group.examples.length).to eq(1)
expect(phantom_group.examples.first.metadata[:description]).to eq("is plentiful")
end
end
end
end
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