#!/usr/bin/env ruby
#
#  Created by Luke Kanies on 2008-02-12.
#  Copyright (c) 2007. All rights reserved.

require File.dirname(__FILE__) + '/../../spec_helper'

require 'puppet/util/constant_inflector'

describe Puppet::Util::ConstantInflector, "when converting file names to constants" do
    before do
        @inflector = Object.new
        @inflector.extend(Puppet::Util::ConstantInflector)
    end

    it "should capitalize terms" do
        @inflector.file2constant("file").should == "File"
    end

    it "should switch all '/' characters to double colons" do
        @inflector.file2constant("file/other").should == "File::Other"
    end

    it "should remove underscores and capitalize the proceeding letter" do
        @inflector.file2constant("file_other").should == "FileOther"
    end

    it "should correctly replace as many underscores as exist in the file name" do
        @inflector.file2constant("two_under_scores/with_some_more_underscores").should == "TwoUnderScores::WithSomeMoreUnderscores"
    end

    it "should collapse multiple underscores" do
        @inflector.file2constant("many___scores").should == "ManyScores"
    end

    it "should correctly handle file names deeper than two directories" do
        @inflector.file2constant("one_two/three_four/five_six").should == "OneTwo::ThreeFour::FiveSix"
    end
end

describe Puppet::Util::ConstantInflector, "when converting constnats to file names" do
    before do
        @inflector = Object.new
        @inflector.extend(Puppet::Util::ConstantInflector)
    end

    it "should convert them to a string if necessary" do
        @inflector.constant2file(Puppet::Util::ConstantInflector).should be_instance_of(String)
    end

    it "should accept string inputs" do
        @inflector.constant2file("Puppet::Util::ConstantInflector").should be_instance_of(String)
    end

    it "should downcase all terms" do
        @inflector.constant2file("Puppet").should == "puppet"
    end

    it "should convert '::' to '/'" do
        @inflector.constant2file("Puppet::Util::Constant").should == "puppet/util/constant"
    end

    it "should convert mid-word capitalization to an underscore" do
        @inflector.constant2file("OneTwo::ThreeFour").should == "one_two/three_four"
    end

    it "should correctly handle constants with more than two parts" do
        @inflector.constant2file("OneTwoThree::FourFiveSixSeven").should == "one_two_three/four_five_six_seven"
    end
end