package com.rockymadden.stringmetric.cli

import org.junit.runner.RunWith
import org.scalatest.junit.JUnitRunner

@RunWith(classOf[JUnitRunner])
final class CliSpec extends ScalaTest { "OptionMap" should provide {
	"apply method" when passed {
		"single valid double dashed option" should returns {
			"populated Map" in {
				val opts: OptionMap = Array("--help")

				(opts('help): String) should equal ("")
			}
		}
		"multiple valid double dashed opts" should returns {
			"populated Map" in {
				val opts: OptionMap = Array("--help", "--test=test")

				(opts('help): String) should equal ("")
				(opts('test): String) should equal ("test")
			}
		}
		"invalid double dashed opts" should returns {
			"empty Map" in {
				val opts: OptionMap = Array("--help#", "--test%=test")

				opts.keysIterator.length should be (0)
			}
		}
		"single valid single dashed option" should returns {
			"populated Map" in {
				val opts: OptionMap = Array("-h")

				(opts('h): String) should equal ("")
			}
		}
		"multiple valid single dashed opts" should returns {
			"populated Map" in {
				val opts: OptionMap = Array("-h", "-i")

				(opts('h): String) should equal ("")
				(opts('i): String) should equal ("")
			}
		}
		"invalid single dashed opts" should returns {
			"empty Map" in {
				val opts: OptionMap = Array("-h-i", "-i#gloo")

				opts.keysIterator.length should be (0)
			}
		}
		"single nameless option" should returns {
			"single key populated Map" in {
				val opts: OptionMap = Array("filename0")

				(opts('dashless): String).count(_ == ' ') should be (0)
			}
		}
		"multiple single nameless opts" should returns {
			"single key populated Map" in {
				val opts: OptionMap = Array("filename0", "filename1", "filename2")

				(opts('dashless): String).count(_ == ' ') should be (2)
			}
		}
		"mixed opts" should returns {
			"populated Map" in {
				val opts: OptionMap = Array(
					"-q", "--help", "--test=test", "-go", "filename0", "filename1", "filename2"
				)

				(opts('q): String) should equal ("")
				(opts('help): String) should equal ("")
				(opts('test): String) should equal ("test")
				(opts('go): String) should equal ("")
				(opts('dashless): String).count(_ == ' ') should be (2)
			}
		}
	}
}}