Sha256: 74a4e07bb0fb9a1f19439a9878b728c82246757a5edfe581bfd6a5efb2118206
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Size: 1.4 KB
Versions: 22
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Contents
##
# A wrapper that allows instance variables to be manipulated using +[]+ and
# +[]=+
module Spec
module Rails
module Example
class IvarProxy #:nodoc:
##
# Wraps +object+ allowing its instance variables to be manipulated.
def initialize(object)
@object = object
end
##
# Retrieves +ivar+ from the wrapped object.
def [](ivar)
get_variable "@#{ivar}"
end
##
# Sets +ivar+ to +val+ on the wrapped object.
def []=(ivar, val)
set_variable "@#{ivar}", val
end
def each
@object.instance_variables.each do |variable_full_name|
variable_name = variable_full_name[1...variable_full_name.length]
yield variable_name, get_variable(variable_full_name)
end
end
def delete(key)
var_name = "@#{key}"
if @object.instance_variables.include?(var_name)
@object.send(:remove_instance_variable, var_name)
else
return nil
end
end
def has_key?(key)
@object.instance_variables.include?("@#{key}")
end
protected
def get_variable(name)
@object.instance_variable_get name
end
def set_variable(name, value)
@object.instance_variable_set name, value
end
end
end
end
end
Version data entries
22 entries across 22 versions & 3 rubygems