#!/usr/bin/env rspec
# Copyright, 2012, 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/graph/node'
require 'build/files/glob'
require 'build/files/system'

RSpec.describe Build::Graph::Node do
	include Build::Graph
	include Build::Files
	
	let(:test_glob) {Build::Files::Glob.new(__dir__, "*.rb")}
	let(:listing_output) {Build::Files::Paths.directory(__dir__, ["listing.txt"])}
	
	it "should be unique" do
		node_a = Build::Graph::Node.new(test_glob, listing_output)
		node_b = Build::Graph::Node.new(listing_output, Build::Files::Paths::NONE)
		
		expect(node_a).to be_eql node_a
		expect(node_a).to_not be_eql node_b
		
		node_c = Build::Graph::Node.new(test_glob, listing_output)
		
		expect(node_a).to be_eql node_c
	end
	
	it "should be dirty" do
		node_a = Build::Graph::Node.new(test_glob, listing_output)
		
		expect(node_a.dirty?).to be true
	end
	
	it "should be clean" do
		listing_output.first.touch
		
		node_a = Build::Graph::Node.new(test_glob, listing_output)
		
		expect(node_a.dirty?).to be false
		
		listing_output.first.delete
	end
	
	it "should be dirty if input files are missing" do
		input = Build::Files::Paths.directory(__dir__, ["missing-input.txt"])
		output = Build::Files::Glob.new(__dir__, "*.rb")
		
		node = Build::Graph::Node.new(input, output)
		
		expect(node.missing?).to be true
		expect(node.dirty?).to be true
	end
	
	it "should be dirty if output files are missing" do
		input = Build::Files::Glob.new(__dir__, "*.rb")
		output = Build::Files::Paths.directory(__dir__, ["missing-output.txt"])
		
		node = Build::Graph::Node.new(input, output)
		
		expect(node.missing?).to be true
		expect(node.dirty?).to be true
	end
end