Sha256: d7969bed5d9bd0f92505600499e0aba27a06dbcf81365b6f324525c34fb82663
Contents?: true
Size: 1004 Bytes
Versions: 157
Compression:
Stored size: 1004 Bytes
Contents
#
# courtesy of sander 6
# - http://github.com/sander6/custom_matchers/blob/master/lib/matchers/tolerance_matchers.rb
#
module Sander6
module CustomMatchers
class ToleranceMatcher
def initialize(tolerance)
@tolerance = tolerance
@target = 0
end
def of(target)
@target = target
self
end
def matches?(value)
@value = value
((@target - @tolerance)..(@target + @tolerance)).include?(@value)
end
def failure_message
"Expected #{@value.inspect} to be within #{@tolerance.inspect} of #{@target.inspect}, but it wasn't.\n" +
"Difference: #{@value - @target}"
end
def negative_failure_message
"Expected #{@value.inspect} not to be within #{@tolerance.inspect} of #{@target.inspect}, but it was.\n" +
"Difference: #{@value - @target}"
end
end
def be_within(value)
Sander6::CustomMatchers::ToleranceMatcher.new(value)
end
end
end
Version data entries
157 entries across 157 versions & 2 rubygems