Created
January 24, 2012 05:39
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ScalaCheckGeneratorSample
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| //ランダムにユーザーデータを作成 | |
| //name⇒20文字以内の英字 | |
| //age⇒1~100歳 | |
| import org.scalacheck.Gen | |
| case class User(name:String, age:Int) | |
| val userGen = for{ | |
| s <- Gen.choose(1,20) | |
| n <- Gen.alphaStr | |
| a <- Gen.choose(1,100) | |
| }yield User(n.take(s),a) | |
| //ランダムデータを100件作成して表示 | |
| Gen.listOfN(100,userGen).sample | |
| //年齢分布を高齢化 | |
| for{ | |
| s <- Gen.choose(1,20) | |
| n <- Gen.alphaStr | |
| a <- Gen.frequency((5,Gen.choose(41,100)), (3,Gen.choose(21,40)), (1,Gen.choose(1,20))) | |
| }yield User(n.take(s),a) | |
| //名前の選択肢を固定 | |
| val aa = List("鹿目","暁美","美樹","巴") | |
| val bb = List("まどか","ほむら","さやか","マミ","キュゥべえ") | |
| for{ | |
| n1 <- Gen.oneOf(aa) | |
| n2 <- Gen.oneOf(bb) | |
| a <- Gen.frequency((5,Gen.choose(41,100)), (3,Gen.choose(21,40)), (1,Gen.choose(1,20))) | |
| }yield User((n1 + " " + n2),a) |
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https://github.com/rickynils/scalacheck