match_json

match_json.rb

require 'json_expressions'

RSpec::Matchers.define :match_json do |expected|
  unless JsonExpressions::Matcher === expected
    expected = JsonExpressions::Matcher.new(expected)
  end

  match do |actual|
    actual = JSON.parse(actual) if String === actual
    expected =~ actual
  end

  failure_message_for_should do |actual|
    "expected #{actual} to match json #{expected}"
  end

  failure_message_for_should_not do |actual|
    "expected #{actual} not to match json #{expected}"
  end
end