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Contents
module Pact
module Matchers
class ExtractDiffMessages
attr_reader :diff
def initialize diff, options = {}
@diff = diff
end
def self.call diff, options = {}
new(diff, options).call
end
def to_hash
diff
end
def call
to_s
end
def to_s
diff_messages(diff).join("\n")
end
def diff_messages obj, path = [], messages = []
case obj
when Hash then handle_hash obj, path, messages
when Array then handle_array obj, path, messages
when BaseDifference then handle_difference obj, path, messages
when NoDiffAtIndex then nil
else
raise "Invalid diff, expected Hash, Array, NoDiffAtIndex or BaseDifference, found #{obj.class}"
end
messages
end
def handle_hash hash, path, messages
hash.each_pair do | key, value |
next_part = key =~ /\s/ ? key.inspect : key
diff_messages value, path + [".#{next_part}"], messages
end
end
def handle_array array, path, messages
array.each_with_index do | obj, index |
diff_messages obj, path + ["[#{index}]"], messages
end
end
def handle_difference difference, path, messages
if difference.message
message = "* #{difference.message}"
message = message.gsub("<path>", path_to_s(path))
message = message.gsub("<parent_path>", parent_path_to_s(path))
messages << message
end
end
def path_to_s path
"$" + path.join
end
def parent_path_to_s path
path_to_s(path[0..-2])
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems