Class: Cucumber::Formatter::Html::SnippetExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/cucumber/formatter/html.rb

Overview

:nodoc:

Defined Under Namespace

Classes: NullConverter

Instance Method Summary collapse

Instance Method Details

#lines_around(file, line) ⇒ Object 



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# File 'lib/cucumber/formatter/html.rb', line 582

def lines_around(file, line)
  if File.file?(file)
    begin
      lines = File.open(file).read.split("\n")
    rescue ArgumentError
      return "# Couldn't get snippet for #{file}"
    end
    min = [0, line - 3].max
    max = [line + 1, lines.length - 1].min
    selected_lines = []
    selected_lines.join("\n")
    lines[min..max].join("\n")
  else
    "# Couldn't get snippet for #{file}"
  end
end

#post_process(highlighted, offending_line) ⇒ Object 



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# File 'lib/cucumber/formatter/html.rb', line 599

def post_process(highlighted, offending_line)
  new_lines = []
  highlighted.split("\n").each_with_index do |line, i|
    new_line = "<span class=\"linenum\">#{offending_line + i - 2}</span>#{line}"
    new_line = "<span class=\"offending\">#{new_line}</span>" if i == 2
    new_lines << new_line
  end
  new_lines.join("\n")
end

#snippet(error) ⇒ Object 



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# File 'lib/cucumber/formatter/html.rb', line 565

def snippet(error)
  raw_code, line = snippet_for(error[0])
  highlighted = @@converter.convert(raw_code, false)
  highlighted += "\n<span class=\"comment\"># gem install syntax to get syntax highlighting</span>" if @@converter.is_a?(NullConverter)
  post_process(highlighted, line)
end

#snippet_for(error_line) ⇒ Object 



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# File 'lib/cucumber/formatter/html.rb', line 572

def snippet_for(error_line)
  if error_line =~ /(.*):(\d+)/
    file = $1
    line = $2.to_i
    [lines_around(file, line), line]
  else
    ["# Couldn't get snippet for #{error_line}", 1]
  end
end