class Pact::MatchingRules::Merge
Public Class Methods
call(expected, matching_rules, root_path = '$')
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# File lib/pact/matching_rules/merge.rb, line 8 def self.call expected, matching_rules, root_path = '$' new(expected, matching_rules, root_path).call end
new(expected, matching_rules, root_path)
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# File lib/pact/matching_rules/merge.rb, line 12 def initialize expected, matching_rules, root_path @expected = expected @matching_rules = standardise_paths(matching_rules) @root_path = JsonPath.new(root_path).to_s @used_rules = [] end
Public Instance Methods
call()
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# File lib/pact/matching_rules/merge.rb, line 19 def call return @expected if @matching_rules.nil? || @matching_rules.empty? recurse(@expected, @root_path).tap { log_ignored_rules } end
Private Instance Methods
find_rule(path, key)
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# File lib/pact/matching_rules/merge.rb, line 116 def find_rule(path, key) @matching_rules[path] && @matching_rules[path][key] end
handle_match_type(object, path)
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# File lib/pact/matching_rules/merge.rb, line 91 def handle_match_type object, path log_used_rule(path, 'match', 'type') Pact::SomethingLike.new(object) end
handle_regex(object, path)
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# File lib/pact/matching_rules/merge.rb, line 96 def handle_regex object, path regex = find_rule(path, 'regex') log_used_rule(path, 'match', 'regex') # assumed to be present log_used_rule(path, 'regex', regex) Pact::Term.new(generate: object, matcher: Regexp.new(regex)) end
log_ignored_rules()
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# File lib/pact/matching_rules/merge.rb, line 103 def log_ignored_rules dup_rules = @matching_rules.dup @used_rules.each do | (path, key, value) | dup_rules[path].delete(key) if dup_rules[path][key] == value end if dup_rules.any? dup_rules.each do | path, rules | $stderr.puts "WARN: Ignoring unsupported matching rules #{rules} for path #{path}" if rules.any? end end end
log_used_rule(path, key, value)
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# File lib/pact/matching_rules/merge.rb, line 120 def log_used_rule path, key, value @used_rules << [path, key, value] end
recurse(expected, path)
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# File lib/pact/matching_rules/merge.rb, line 33 def recurse expected, path recursed = case expected when Hash then recurse_hash(expected, path) when Array then recurse_array(expected, path) else expected end wrap(recursed, path) end
recurse_array(array, path)
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# File lib/pact/matching_rules/merge.rb, line 51 def recurse_array array, path parent_match_rule = find_rule(path, 'match') log_used_rule(path, 'match', parent_match_rule) if parent_match_rule array_like_children_path = "#{path}[*]*" children_match_rule = find_rule(array_like_children_path, 'match') log_used_rule(array_like_children_path, 'match', children_match_rule) if children_match_rule min = find_rule(path, 'min') log_used_rule(path, 'min', min) if min if min && (children_match_rule == 'type' || (children_match_rule.nil? && parent_match_rule == 'type')) warn_when_not_one_example_item(array, path) Pact::ArrayLike.new(recurse(array.first, "#{path}[*]"), min: min) else new_array = [] array.each_with_index do | item, index | new_path = path + "[#{index}]" new_array << recurse(item, new_path) end new_array end end
recurse_hash(hash, path)
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# File lib/pact/matching_rules/merge.rb, line 44 def recurse_hash hash, path hash.each_with_object({}) do | (k, v), new_hash | new_path = path + "['#{k}']" new_hash[k] = recurse(v, new_path) end end
standardise_paths(matching_rules)
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# File lib/pact/matching_rules/merge.rb, line 26 def standardise_paths matching_rules return matching_rules if matching_rules.nil? || matching_rules.empty? matching_rules.each_with_object({}) do | (path, rule), new_matching_rules | new_matching_rules[JsonPath.new(path).to_s] = rule end end
warn_when_not_one_example_item(array, path)
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# File lib/pact/matching_rules/merge.rb, line 75 def warn_when_not_one_example_item array, path unless array.size == 1 Pact.configuration.error_stream.puts "WARN: Only the first item will be used to match the items in the array at #{path}" end end
wrap(object, path)
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# File lib/pact/matching_rules/merge.rb, line 81 def wrap object, path if find_rule(path, 'match') == 'type' && !find_rule(path, 'min') handle_match_type(object, path) elsif find_rule(path, 'regex') handle_regex(object, path) else object end end