foo_spec.rb

class Foo; end
describe 'foo' do
  it "should not be borked" do
    Foo.should_receive('baz').with('huh', :include => [:a, :b], :conditions => {:c => :d})
    Foo.baz('huh', {:include => [:a, :b]}, :conditions => {:c => :d})
  end
end

output

-- % spec foo_spec.rb
F

1)
Spec::Mocks::MockExpectationError in 'foo should not be borked'
Mock 'Class' expected :baz with ("huh", {:conditions=>{:c=>:d}, :include=>[:a, :b]}) but received it with ("huh", {:include=>[:a, :b]}, {:conditions=>{:c=>:d}})
./foo_spec.rb:5:

Finished in 0.018474 seconds

1 example, 1 failure