libraries/eval/test/EvalTest.scala


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package com.twitter.util

import org.specs.Specification
import java.io.{File, FileOutputStream}

import com.twitter.io.TempFile

object EvaluatorSpec extends Specification {
  "Evaluator" should {
    "apply('expression')" in {
      Eval[Int]("1 + 1") mustEqual 2
    }

    "apply(new File(...))" in {
      Eval[Int](TempFile.fromResourcePath("/OnePlusOne.scala")) mustEqual 2
    }

    "apply(new File(...), new File(...))" in {
      val derived = Eval[() => String](
        TempFile.fromResourcePath("/Base.scala"),
        TempFile.fromResourcePath("/Derived.scala"))
      derived() mustEqual "hello"
    }

    "apply(InputStream)" in {
      Eval[Int](getClass.getResourceAsStream("/OnePlusOne.scala")) mustEqual 2
    }
  }
}