Class: TestLauncher::Frameworks::Minitest::Searcher

Inherits:
Base::Searcher show all
Defined in:
lib/test_launcher/frameworks/minitest.rb

Constant Summary collapse

MultipleByLineMatches = 
Class.new(BaseError)

Instance Attribute Summary

Attributes inherited from Base::Searcher

#raw_searcher

Instance Method Summary collapse

Methods inherited from Base::Searcher

#examples, #grep, #initialize, #test_files

Constructor Details

This class inherits a constructor from TestLauncher::Frameworks::Base::Searcher

Instance Method Details

#by_line(file_pattern, line_number) ⇒ Object 



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# File 'lib/test_launcher/frameworks/minitest.rb', line 27

def by_line(file_pattern, line_number)
  files = test_files(file_pattern)
  return [] unless files.any?
  raise multiple_files_error if files.size > 1
  #
  file = files.first
  grep_results = raw_searcher.grep(example_name_regex, file_pattern: file)

  if grep_results.empty?
    # the file exists, but doesn't appear to contain any tests...
    # we'll try to run it anyway
    return [file: file]
  end

  best_result =
    grep_results
      .select {|r| line_number >= r[:line_number]}
      .min_by {|r| line_number - r[:line_number]}

  if best_result
    example_name =
      if match = best_result[:line].match(/def\s+(?<name>test_[\w\?]+)/)
        match[:name]
      elsif match = best_result[:line].match(/test\s+['"](?<name>.*)['"]\s+do/)
        "test_#{match[:name]}"
      end

    [{
      file: best_result[:file],
      example_name: example_name,
      line_number: best_result[:line_number]
    }]
  else
    # line number outside of example. Run whole file
    [{
      file: grep_results.first[:file]
    }]
  end
end