rspec_gotchas.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'spec'

class Foo
  def self.foo
    Bar.bar
  rescue StandardError
  end

  def self.foo2
    Bar.bar
    Bar.bar
  end
end

class Bar
  def self.bar
  end
end

# All mocks will pass regardless, because Spec::Mocks::MockExpectationError
# is a subclass of StandardError, and is caught in the method under test.
describe 'Calling a method that catches StandardError' do
  it 'calls Bar.bar' do
    Bar.should_receive :bar
    Foo.foo
  end

  it 'does not call Bar.bar' do
    Bar.should_not_receive :bar
    Foo.foo
  end
end

describe 'Checking call counts for a stubbed method' do
  before do
    Bar.stub! :bar
  end

  it 'ignores the count' do
    Bar.should_receive(:bar).exactly(1).times
    Foo.foo2
  end

  it 'can be hacked to not ignore the count' do
    Bar.send(:__mock_proxy).reset
    Bar.should_receive(:bar).exactly(1).times
    Foo.foo2
  end
end