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Contents
no_peeping_toms
=============
This plugin disables observers in your specs, so that model specs can run in complete isolation.
You can choose to run some code with observers turned on. This is useful when spec'ing an observer. For example, if you write the following observer:
class PersonObserver < ActiveRecord::Observer
def before_update(person)
old_person = Person.find person.id
if old_person.name != person.name
NameChange.create! :person => person, :old_name => old_person.name, :new_name => person.name
end
end
end
You can spec the Person class in complete isolation.
describe Person, " when changing a name" do
before(:each) do
@person = Person.create! :name => "Pat Maddox"
end
# By default, don't run any observers
it "should not register a name change" do
lambda { @person.update_attribute :name, "Don Juan Demarco" }.should_not change(NameChange, :count)
end
# Run only a portion of code with certain observers turned on
it "should register a name change with the person observer turned on" do
Person.with_observers(:person_observer) do
lambda { @person.update_attribute :name, "Don Juan Demarco" }.should change(NameChange, :count).by(1)
end
lambda { @person.update_attribute :name, "Man Without a Name" }.should_not change(NameChange, :count)
end
end
Copyright (c) 2007 Pat Maddox, released under the MIT license
Version data entries
16 entries across 16 versions & 3 rubygems