# Copyright, 2015, by Samuel G. D. Williams. <http://www.codeotaku.com>
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

require 'build/environment'
require 'build/rulebook'
require 'build/controller'

module Build::ControllerSpec
	class Target
		def initialize(name)
			@name = name
		end
		
		attr :name
		
		def build(&block)
			@build = block if block_given?
			
			return @build
		end
	end
	
	describe Build::Controller do
		it "should execute the build graph" do
			environment = Build::Environment.new do
				define Build::Rule, "make.file" do
					output :destination
					
					apply do |parameters|
						fs.touch parameters[:destination]
					end
				end
				
				define Build::Rule, "copy.file" do
					input :source
					output :destination
					
					apply do |parameters|
						fs.cp parameters[:source], parameters[:destination]
					end
				end
			end
			
			target = Target.new('copy')
			target.build do
				foo_path = Build::Files::Path['foo']
				bar_path = Build::Files::Path['bar']
				
				make destination: foo_path
				
				copy source: foo_path, destination: bar_path
			end
			
			controller = Build::Controller.new do |controller|
				controller.add_target(target, environment)
			end
			
			expect(controller.nodes.size).to be 1
			
			controller.update
			
			expect(File).to be_exist('foo')
			expect(File).to be_exist('bar')
			
			FileUtils.rm ['foo', 'bar']
		end
	end
end