lowlevel_spec.rb

require 'spec_helper'

describe TidyFFI::Interface do
  I = TidyFFI::Interface

  describe "default_options" do
    it "returns a hash" do
      I.default_options.is_a?(Hash)
    end

    it "has show force_output option" do
      I.default_options[:force_output][:name].should == :force_output
      I.default_options[:force_output][:type].should == :boolean
    end
  end

  describe "option_valid" do
    it "returns false when unknown options is specified" do
      I.option_valid?(:gobbledygook, '1').should == false
    end

    it "accepts yes, no, 1, 0, true, false as boolean values" do
      I.stubs(:default_options).returns({:gobbledygook => {:type => :boolean}})

      %w{yes no 1 0 true false on off YeS}.each do |val|
        I.option_valid?(:gobbledygook, val).should == true
      end
      I.option_valid?(:gobbledygook, 1).should == true
      I.option_valid?(:gobbledygook, 0).should == true
      I.option_valid?(:gobbledygook, true).should == true
      I.option_valid?(:gobbledygook, false).should == true

      I.option_valid?(:gobbledygook, "gobbledygook").should == false
    end

    it "accepts a number as a valid integer value" do
      I.stubs(:default_options).returns({:gobbledygook => {:type => :integer}})

      I.option_valid?(:gobbledygook, 1).should == true
      I.option_valid?(:gobbledygook, 0).should == true
      I.option_valid?(:gobbledygook, "0").should == true
      I.option_valid?(:gobbledygook, "1").should == true
      I.option_valid?(:gobbledygook, "42").should == true

      I.option_valid?(:gobbledygook, "gobbledygook").should == false
      I.option_valid?(:gobbledygook, "true").should == false
    end

    it "accepts any string as a valid string value" do
      I.stubs(:default_options).returns({:gobbledygook => {:type => :string}})

      I.option_valid?(:gobbledygook, 1).should == false
      I.option_valid?(:gobbledygook, 0).should == false

      I.option_valid?(:gobbledygook, "0").should == true
      I.option_valid?(:gobbledygook, "1").should == true
      I.option_valid?(:gobbledygook, "42").should == true
      I.option_valid?(:gobbledygook, "gobbledygook").should == true
      I.option_valid?(:gobbledygook, "true").should == true
    end

    it "accepts a symbols as a valid string value" do
      I.stubs(:default_options).returns({:gobbledygook => {:type => :string}})

      I.option_valid?(:gobbledygook, :test).should == true
    end

    it "accepts number in range as a valid enum value" do
      I.stubs(:default_options).returns({:gobbledygook => {:type => :enum, :values => ["one", "two"]}})

      I.option_valid?(:gobbledygook, 1).should == true
      I.option_valid?(:gobbledygook, 0).should == true
      I.option_valid?(:gobbledygook, 3).should == false
    end

    it "accepts string representation of enum value" do
      I.stubs(:default_options).returns({:gobbledygook => {:type => :enum, :values => ["one", "two"]}})

      I.option_valid?(:gobbledygook, "one").should == true
      I.option_valid?(:gobbledygook, "two").should == true
      I.option_valid?(:gobbledygook, "three").should == false
    end
  end
end