package com.drivergrp.core

import java.io.ByteArrayOutputStream

import org.scalatest.mock.MockitoSugar
import org.scalatest.{FlatSpec, Matchers}
import org.mockito.Mockito._

class CoreTest extends FlatSpec with Matchers with MockitoSugar {

  "'make' function" should "allow initialization for objects" in {

    val createdAndInitializedValue = make(new ByteArrayOutputStream(128)) { baos =>
      baos.write(Array(1.toByte, 1.toByte, 0.toByte))
    }

    createdAndInitializedValue.toByteArray should be(Array(1.toByte, 1.toByte, 0.toByte))
  }

  "'using' function" should "call close after performing action on resource" in {

    val baos = mock[ByteArrayOutputStream]

    using(baos /* usually new ByteArrayOutputStream(128) */ ) { baos =>
      baos.write(Array(1.toByte, 1.toByte, 0.toByte))
    }

    verify(baos).close()
  }
}