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white_bread

0.5.1
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Story BDD tool based on cucumber. Parses Gherkin formatted feature files and executes them as tests.

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white_bread lib mix tasks white_bread.run.ex
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lib/mix/tasks/white_bread.run.ex 

defmodule Mix.Tasks.WhiteBread.Run do

  use Mix.Task



  @shortdoc "Runs all the feature files with WhiteBread"



  def run(argv) do

    {options, arguments, _} = OptionParser.parse(argv)

    case arguments do

      [context_name | _ ] -> context_from_string(context_name) |> run("features/", options)

      []                  -> load_default_context |> run("features/", options)

    end



  end



  def load_default_context do

    [{context_module, _} | _] = Code.load_file("features/default_context.exs")

    context_module

  end



  def context_from_string(context_name) do

    {context, []} = Code.eval_string(context_name)

    context

  end



  def run(context, path, raw_options \\ []) do



    options = raw_options

    |> Keyword.update(:tags, nil, &breakup_tag_string/1)



    result = context |> WhiteBread.run(path, options)



    result

    |> WhiteBread.FinalResultPrinter.text

    |> IO.puts



    %{failures: failures} = result

    System.at_exit fn _ ->

      if Enum.count(failures) > 0, do: exit({:shutdown, 1})

    end

  end



  defp breakup_tag_string(tag_string) do

    tag_string

    |> String.split(",", trim: true)

    |> Enum.map(&String.strip/1)

  end



end