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Contents
# Uses the diff_matcher gem to provide advanced matching abilities, along with nice visual representation of the
# diff between JSON.parse(actual) and expected. The functionality set is very helpful for comparing hashes.
#
# Usage examples:
# it { should be_matching(my_var) }
# it { should be_matching(my_var).with_options(ignore_additional: true) }
#
# Options: by default, color_enabled is controlled by Rspec, and quiet is set to true.
RSpec::Matchers.define :be_json_matching do |expected|
match do |actual|
options = { :color_enabled => RSpec::configuration.color_enabled?, :quiet => true }.merge(@options || {})
@difference = DiffMatcher::Difference.new(expected, JSON.parse(actual), options)
@difference.matching?
end
chain :with_options do |options|
@options = options
end
failure_message_for_should do |actual|
"diff is:\n" + @difference.to_s
end
failure_message_for_should_not do |actual|
"diff is:\n" + @difference.to_s
end
description do
"match via DiffMatcher #{expected}" + (@options.blank? ? '' : " with options: #{@options}")
end
end
Version data entries
10 entries across 5 versions & 1 rubygems