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module Spira
module Resource
##
# Instance methods relating to validations for a Spira resource. This
# includes the default assertions.
#
# @see Spira::Resource::InstanceMethods
# @see Spira::Resource::ClassMethods
# @see Spira::Resource::DSL
module Validations
##
# Assert a fact about this instance. If the given expression is false,
# an error will be noted.
#
# @example Assert that a title is correct
# assert(title == 'xyz', :title, 'bad title')
# @param [Any] boolean The expression to evaluate
# @param [Symbol] property The property or has_many to mark as incorrect on failure
# @param [String] message The message to record if this assertion fails
# @return [Void]
def assert(boolean, property, message)
errors.add(property, message) unless boolean
end
##
# A default helper assertion. Asserts that a given property is set.
#
# @param [Symbol] name The property to check
# @return [Void]
def assert_set(name)
assert(!(self.send(name).nil?), name, "#{name.to_s} cannot be nil")
end
##
# A default helper assertion. Asserts that a given property is numeric.
#
# @param [Symbol] name The property to check
# @return [Void]
def assert_numeric(name)
assert(self.send(name).is_a?(Numeric), name, "#{name.to_s} must be numeric (was #{self.send(name)})")
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems