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module RSpec
module Mocks
RSpec.describe "After a test double has been torn down" do
RSpec.shared_examples_for "expiration" do
before do
expect(dbl).to receive(:foo).at_least(:once)
allow(dbl).to receive(:bar)
dbl.foo
RSpec::Mocks.verify
RSpec::Mocks.teardown
RSpec::Mocks.setup
end
it 'disallows previously mocked methods' do
expect { dbl.foo }.to raise_error(ExpiredTestDoubleError)
end
it 'disallows previously stubbed methods' do
expect { dbl.bar }.to raise_error(ExpiredTestDoubleError)
end
it 'disallows stubbing new methods (with receive)' do
expect {
allow(dbl).to receive(:bazz)
}.to raise_error(ExpiredTestDoubleError)
end
it 'disallows stubbing new methods (with receive_messages)' do
expect {
allow(dbl).to receive_messages(:bazz => 3)
}.to raise_error(ExpiredTestDoubleError)
end
it 'disallows stubbing new message chains' do
expect {
allow(dbl).to receive_message_chain(:bazz, :bam, :goo)
}.to raise_error(ExpiredTestDoubleError)
end
it 'disallows mocking new methods' do
expect {
expect(dbl).to receive(:bazz)
}.to raise_error(ExpiredTestDoubleError)
end
it 'disallows being turned into a null object' do
expect { dbl.as_null_object }.to raise_error(ExpiredTestDoubleError)
end
it 'disallows being checked for nullness' do
expect { dbl.null_object? }.to raise_error(ExpiredTestDoubleError)
end
end
context "for a plain double" do
let(:dbl) { double }
include_examples "expiration"
end
class ExpiredInstanceInterface
def foo; end
def bar; end
def bazz; end
end
class ExpiredClassInterface
def self.foo; end
def self.bar; end
def self.bazz; end
end
context "for an instance_double" do
let(:dbl) { instance_double(ExpiredInstanceInterface) }
include_examples "expiration"
end
context "for a class_double" do
let(:dbl) { class_double(ExpiredClassInterface) }
include_examples "expiration"
end
context "for an object_double" do
let(:dbl) { object_double(ExpiredInstanceInterface.new) }
include_examples "expiration"
end
end
end
end
|
