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|
module Shoulda # :nodoc:
module ActionController # :nodoc:
module Matchers
# Ensures that a session key was set to the expected value.
#
# Example:
#
# it { should set_session(:message) }
# it { should set_session(:user_id).to(@user.id) }
# it { should_not set_session(:user_id) }
def set_session(key)
SetSessionMatcher.new(key)
end
class SetSessionMatcher # :nodoc:
def initialize(key)
@key = key.to_s
end
def to(value)
@value = value
self
end
def matches?(controller)
@controller = controller
(assigned_value? && assigned_correct_value?) || cleared_value?
end
def failure_message
"Expected #{expectation}, but #{result}"
end
def negative_failure_message
"Didn't expect #{expectation}, but #{result}"
end
def description
description = "set session variable #{@key.inspect}"
description << " to #{@value.inspect}" if defined?(@value)
description
end
private
def assigned_value?
!assigned_value.nil?
end
def cleared_value?
defined?(@value) && @value.nil? && assigned_value.nil?
end
def assigned_correct_value?
return true if @value.nil?
assigned_value == @value
end
def assigned_value
session[@key]
end
def session
@controller.response.session.data
end
def expectation
expectation = "session variable #{@key} to be set"
expectation << " to #{@value.inspect}" if @value
expectation
end
def result
if session.empty?
"no session variables were set"
else
"the session was #{session.inspect}"
end
end
end
end
end
end
|
