# 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 'teapot/environment'

module Teapot::EnvironmentSpec
	describe Teapot::Environment do
		it "should chain environments together" do
			a = Teapot::Environment.new
			a[:cflags] = ["-std=c++11"]
			
			b = Teapot::Environment.new(a, {})
			b[:cflags] = ["-stdlib=libc++"]
			b[:rcflags] = lambda {cflags.reverse}
			
			expect(b.flatten.to_hash).to be == {:cflags => ["-std=c++11", "-stdlib=libc++"], :rcflags => ["-stdlib=libc++", "-std=c++11"]}
		end
		
		it "should resolve nested lambda" do
			a = Teapot::Environment.new do
				sdk "bob-2.6"
				cflags [->{"-sdk=#{sdk}"}]
			end
			
			b = Teapot::Environment.new(a) do
				sdk "bob-2.8"
			end
			
			c = Teapot::Environment.new(b) do
				cflags ["-pipe"]
			end
			
			expect(b.flatten.to_hash.keys.sort).to be == [:cflags, :sdk]
			
			expect(Teapot::Environment::System::convert_to_shell(b.flatten)).to be == {
				'SDK' => "bob-2.8",
				'CFLAGS' => "-sdk=bob-2.8"
			}
			
			expect(c.flatten[:cflags]).to be == %W{-sdk=bob-2.8 -pipe}
		end
		
		it "should combine environments" do
			a = Teapot::Environment.new(nil, {:name => 'a'})
			b = Teapot::Environment.new(a, {:name => 'b'})
			c = Teapot::Environment.new(nil, {:name => 'c'})
			d = Teapot::Environment.new(c, {:name => 'd'})
			
			top = Teapot::Environment.combine(b, d)
			
			expect(top.values).to be == d.values
			expect(top.parent.values).to be == c.values
			expect(top.parent.parent.values).to be == b.values
			expect(top.parent.parent.parent.values).to be == a.values
		end
		
		it "should combine defaults" do
			local = Teapot::Environment.new do
				architectures ["-m64"]
			end
		
			platform = Teapot::Environment.new do
				default architectures ["-arch", "i386"]
			end
		
			combined = Teapot::Environment.combine(
				platform,
				local
			)
		
			expect(combined[:architectures]).to be == ["-m64"]
		end
	end
end