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module Shoulda # :nodoc:
module ActiveRecord # :nodoc:
module Assertions
# Asserts that the given object can be saved
#
# assert_save User.new(params)
def assert_save(obj)
assert obj.save, "Errors: #{pretty_error_messages obj}"
obj.reload
end
# Asserts that the given object is valid
#
# assert_valid User.new(params)
def assert_valid(obj)
assert obj.valid?, "Errors: #{pretty_error_messages obj}"
end
# Asserts that an Active Record model validates with the passed
# <tt>value</tt> by making sure the <tt>error_message_to_avoid</tt> is not
# contained within the list of errors for that attribute.
#
# assert_good_value(User.new, :email, "user@example.com")
# assert_good_value(User.new, :ssn, "123456789", /length/)
#
# If a class is passed as the first argument, a new object will be
# instantiated before the assertion. If an instance variable exists with
# the same name as the class (underscored), that object will be used
# instead.
#
# assert_good_value(User, :email, "user@example.com")
#
# product = Product.new(:tangible => false)
# assert_good_value(product, :price, "0")
def assert_good_value(object_or_klass, attribute, value, error_message_to_avoid = nil)
object = get_instance_of(object_or_klass)
matcher = allow_value(value).
for(attribute).
with_message(error_message_to_avoid)
assert_accepts(matcher, object)
end
# Asserts that an Active Record model invalidates the passed
# <tt>value</tt> by making sure the <tt>error_message_to_expect</tt> is
# contained within the list of errors for that attribute.
#
# assert_bad_value(User.new, :email, "invalid")
# assert_bad_value(User.new, :ssn, "123", /length/)
#
# If a class is passed as the first argument, a new object will be
# instantiated before the assertion. If an instance variable exists with
# the same name as the class (underscored), that object will be used
# instead.
#
# assert_bad_value(User, :email, "invalid")
#
# product = Product.new(:tangible => true)
# assert_bad_value(product, :price, "0")
def assert_bad_value(object_or_klass, attribute, value,
error_message_to_expect = nil)
object = get_instance_of(object_or_klass)
matcher = allow_value(value).
for(attribute).
with_message(error_message_to_expect)
assert_rejects(matcher, object)
end
end
end
end
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