Feature: Command line help for scaffolder
  In order to understand how the scaffolder tools work
  A user can use scaffolder help at the command line
  to review its documentation

  Scenario: Running scaffolder without any arguments
    When I call "scaffolder" with arguments ""
    Then the exit status should be 0
    And the stdout should contain exactly:
    """
    usage: scaffolder [--version] COMMAND scaffold-file sequence-file
    [options]

    Commands:
      help        Help information for scaffolder commands
      sequence    Generate the fasta output for the scaffold
      validate    Validate scaffold for overlapping inserts

    """

  Scenario: Running scaffolder with the version argument
    When I call "scaffolder" with arguments "--version"
    Then the exit status should be 0
    And the stdout should contain exactly:
    """
    scaffolder tool version 0.1.0

    """

  Scenario: Running scaffolder with an incorrect command
    When I call "scaffolder" with arguments "unknown-command"
    Then the exit status should be 1
    And the stderr should contain exactly:
    """
    Error. Unknown command 'unknown-command'.
    See 'scaffolder help'.

    """

  Scenario: Running scaffolder with just the help argument
    When I call "scaffolder" with arguments "help"
    Then the exit status should be 0
    And the stdout should contain exactly:
    """
    usage: scaffolder [--version] COMMAND scaffold-file sequence-file
    [options]

    Commands:
      help        Help information for scaffolder commands
      sequence    Generate the fasta output for the scaffold
      validate    Validate scaffold for overlapping inserts

    """

  Scenario: Fetching the man page for sequence
    When I call "scaffolder" with arguments "help sequence"
    Then the exit status should be 0
    And the stdout should contain "SCAFFOLDER-SEQUENCE(1)"

  Scenario: Fetching the man page for validate
    When I call "scaffolder" with arguments "help validate"
    Then the exit status should be 0
    And the stdout should contain "SCAFFOLDER-VALIDATE(1)"

  Scenario: Fetching the man page for help
    When I call "scaffolder" with arguments "help help"
    Then the exit status should be 0
    And the stdout should contain "SCAFFOLDER-HELP(1)"

  Scenario: Fetching the man page for an incorrect command
    When I call "scaffolder" with arguments "help unknown-command"
    Then the exit status should be 1
    And the stderr should contain exactly:
    """
    Error. Unknown command 'unknown-command'.
    See 'scaffolder help'.

    """