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Versions: 16
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Contents
module Rspec
module Expectations
class << self
attr_accessor :differ
# raises a Rspec::Expectations::ExpectationNotMetError with message
#
# When a differ has been assigned and fail_with is passed
# <code>expected</code> and <code>target</code>, passes them
# to the differ to append a diff message to the failure message.
def fail_with(message, expected=nil, target=nil) # :nodoc:
if message.nil?
raise ArgumentError, "Failure message is nil. Does your matcher define the " +
"appropriate failure_message_for_* method to return a string?"
end
unless (differ.nil? || expected.nil? || target.nil?)
if expected.is_a?(String)
message << "\nDiff:" << self.differ.diff_as_string(target.to_s, expected)
elsif !target.is_a?(Proc)
message << "\nDiff:" << self.differ.diff_as_object(target, expected)
end
end
Kernel::raise(Rspec::Expectations::ExpectationNotMetError.new(message))
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems