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148 righe
4.0 KiB
148 righe
4.0 KiB
require 'rubygems'
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gem 'ruby_parser'
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# >= 2.11.8 because of https://github.com/cucumber/gherkin/commit/90121f513000b89fce4d24c4e7dfdae00a5b177f
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gem 'gherkin', '>= 2.11.8', '< 4.0.0'
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require 'ruby_parser'
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require 'yaml'
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require 'gherkin'
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require 'gherkin/formatter/json_formatter'
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class StepExtractor < Gherkin::Formatter::JSONFormatter
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def initialize
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super(StringIO.new)
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end
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# returns a Hash describing step at the line or nil if nothing
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# executable found
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def step_at(line)
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@feature_hashes[0]['elements'].each do |element|
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element['steps'].each do |step|
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if step['line'] == line
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if element['examples']
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rows = element['examples'][0]['rows'].each
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header = rows.next['cells']
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examples = []
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loop do
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row = rows.next['cells']
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example = {}
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row.each_with_index do |val, idx|
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example[header[idx]] = val
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end
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examples.push(example)
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end
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step['examples'] = examples
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end
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return step
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end
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end
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end
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nil
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end
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end
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class Step
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attr_reader :file, :line, :regexp
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def initialize(regexp, file, line)
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@file, @line = file, line
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self.regexp = regexp
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end
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def regexp=(value)
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@regexp =
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case value
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when String
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pieces, regexp = [], value.dup
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regexp.gsub!(/\$\w+/) { |match| pieces << match; "TOKEN" }
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regexp.gsub!(/(?=\{)(.*?)(\})/, "TOKEN")
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regexp = Regexp.escape(regexp)
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regexp.gsub!(/TOKEN/) { |match| "(.*)" }
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Regexp.new("^#{regexp}$")
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when Regexp
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value
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else
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STDERR.puts "Warning: invalid parameter to Given/When/Then on #{file}:#{line}. Expected Regexp or String, got #{value.class} #{value.inspect}"
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Regexp.new(/^INVALID PARAM$/)
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end
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end
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def match?(text)
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@regexp.match(text)
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end
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end
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class StepParser
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attr_accessor :steps, :file
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def initialize(file, keywords)
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@file = file
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@steps = []
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@keywords = keywords
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extract_steps(RubyParser.new.parse(File.read(file)))
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end
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def extract_steps(sexp)
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return unless sexp.is_a?(Sexp)
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case sexp.first
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when :block
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sexp[1..-1].each do |child_sexp|
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extract_steps(child_sexp)
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end
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when :iter
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child_sexp = sexp[1]
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return unless child_sexp[0] == :call && @keywords.include?(child_sexp[2])
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regexp = child_sexp[3][1]
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@steps << Step.new(regexp, file, child_sexp.line)
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else
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sexp.each do |child|
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extract_steps(child)
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end
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end
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end
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end
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iso_code, feature_path, line, step_search_path, step_search_path_extra, = ARGV
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extractor = StepExtractor.new
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parser = Gherkin::Parser::Parser.new(extractor, true, 'root', false, iso_code)
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parser.parse(IO.read(feature_path), feature_path, 0)
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step_info = extractor.step_at(line.to_i)
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inputs = if step_info['examples']
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# If the step has example placeholders, we should substitute them
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# and provide user a choice
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placeholders = step_info['examples'].first.keys.map { |key| %r(<(#{key})>) }
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step_info['examples'].map do |example|
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step_info['name'].gsub(Regexp.union(placeholders)) do |p|
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example[p.gsub(/[<>]/, '')]
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end
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end.uniq
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else
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[step_info['name']]
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end
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quick_exit = inputs.size == 1
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def results_to_alist(results)
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results.uniq! { |(_, file, line)| [file, line]}
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pairs = results.reduce("") do |acc, (input, file, line)|
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acc << sprintf("(%s . %s)", input.inspect, [file, line].join(":").inspect)
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end
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"(#{pairs})"
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end
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results = []
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keywords = Gherkin::I18n.get(iso_code).step_keywords[1..-1].map { |k| k.strip.to_sym }
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files = Dir[step_search_path]
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files.push(*Dir[step_search_path_extra]) if !step_search_path_extra.nil?
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files.each_with_index do |file, i|
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StepParser.new(file, keywords).steps.each do |step|
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inputs.each do |input_text|
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if step.match?(input_text)
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results.push([input_text, step.file, step.line])
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if quick_exit
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print results_to_alist(results)
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exit
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end
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end
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end
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end
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end
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print results_to_alist(results)
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