Class: Spek::Picker

Inherits:
Object
  • Object
show all
Defined in:
lib/spek/picker.rb

Overview

Picks a gem specification.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(finder: Finder.new, kernel: Kernel) ⇒ Picker

Returns a new instance of Picker.



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# File 'lib/spek/picker.rb', line 12

def initialize finder: Finder.new, kernel: Kernel
  @finder = finder
  @kernel = kernel
end

Class Method Details

.call(name) ⇒ Object 



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# File 'lib/spek/picker.rb', line 10

def self.call(name, ...) = new(...).call name

Instance Method Details

#call(name) ⇒ Object 



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# File 'lib/spek/picker.rb', line 17

def call name
  specifications = finder.call name

  case specifications.size
    when 1 then Success specifications.first
    when 2.. then Success choose(specifications)
    else Failure "Unknown or uninstalled gem: #{name}."
  end
end

#choose(specifications) ⇒ Object 



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# File 'lib/spek/picker.rb', line 27

def choose specifications
  specifications.each.with_index 1 do |specification, index|
    kernel.puts "#{index}. #{specification.named_version}"
  end

  kernel.puts "\nPlease enter gem selection:"
  ARGV.clear
  specifications[kernel.gets.chomp.to_i - 1]
end