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path: root/cli/source/test/scala/com/rockymadden/stringmetric/cli/similarity/weightedlevenshteinmetricSpec.scala
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package com.rockymadden.stringmetric.cli.similarity

import com.rockymadden.stringmetric.ScalaTest
import org.junit.runner.RunWith
import org.scalatest.junit.JUnitRunner

@RunWith(classOf[JUnitRunner])
final class weightedlevenshteinmetricSpec extends ScalaTest { "weightedlevenshteinmetric" should provide {
	"main method" when passed {
		"valid dashless arguments and valid weight arguments" should executes {
			"print if they are a match" in {
				val out = new java.io.ByteArrayOutputStream()

				Console.withOut(out)(
					weightedlevenshteinmetric.main(
						Array(
							"--unitTest",
							"--debug",
							"--deleteWeight=1",
							"--insertWeight=1",
							"--substituteWeight=1",
							"abc",
							"abc"
						)
					)
				)

				out.toString should equal ("0.0\n")
				out.reset()

				Console.withOut(out)(
					weightedlevenshteinmetric.main(
						Array(
							"--unitTest",
							"--debug",
							"--deleteWeight=2",
							"--insertWeight=2",
							"--substituteWeight=1",
							"abc",
							"xyz"
						)
					)
				)

				out.toString should equal ("3.0\n")
				out.reset()

				Console.withOut(out)(
					weightedlevenshteinmetric.main(
						Array(
							"--unitTest",
							"--debug",
							"--deleteWeight=2",
							"--insertWeight=1",
							"--substituteWeight=2",
							"xyz",
							"xyzxyz"
						)
					)
				)

				out.toString should equal ("3.0\n")
				out.reset()

				Console.withOut(out)(
					weightedlevenshteinmetric.main(
						Array(
							"--unitTest",
							"--debug",
							"--deleteWeight=1",
							"--insertWeight=2",
							"--substituteWeight=2",
							"xyzxyz",
							"xyz"
						)
					)
				)

				out.toString should equal ("3.0\n")
				out.reset()
			}
		}
		"valid dashless arguments and invalid weight arguments" should throws {
			"IllegalArgumentException" in {
				evaluating {
					weightedlevenshteinmetric.main(
						Array(
							"--unitTest",
							"--debug",
							"--deleteWeight=1",
							"--substituteWeight=1",
							"abc",
							"abc"
						)
					)
				} should produce [IllegalArgumentException]

				evaluating {
					weightedlevenshteinmetric.main(
						Array(
							"--unitTest",
							"--debug",
							"--deleteWeight=1",
							"--insertWeight=q",
							"--substituteWeight=1",
							"abc",
							"abc"
						)
					)
				} should produce [IllegalArgumentException]
			}
		}
		"no dashless arguments" should throws {
			"IllegalArgumentException" in {
				evaluating {
					weightedlevenshteinmetric.main(Array("--unitTest", "--debug"))
				} should produce [IllegalArgumentException]
			}
		}
	}
}}