Sha256: 8e99227b0f969b44749c0d57f9390d9e3043c3141d518395d9a610ef09341e26
Contents?: true
Size: 1009 Bytes
Versions: 7
Compression:
Stored size: 1009 Bytes
Contents
module RSpec
module Matchers
class BeWithin
include BaseMatcher
attr_reader :delta
def initialize(delta)
@delta = delta
end
def matches?(actual)
unless defined?(@expected)
raise ArgumentError.new("You must set an expected value using #of: be_within(#{delta}).of(expected_value)")
end
(super(actual) - expected).abs < delta
end
def of(expected)
@expected = expected
self
end
def failure_message_for_should
"expected #{actual} to #{description}"
end
def failure_message_for_should_not
"expected #{actual} not to #{description}"
end
def description
"be within #{delta} of #{expected}"
end
end
# Passes if actual == expected +/- delta
#
# @example
#
# result.should be_within(0.5).of(3.0)
# result.should_not be_within(0.5).of(3.0)
def be_within(delta)
BeWithin.new(delta)
end
end
end
Version data entries
7 entries across 7 versions & 3 rubygems