{
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   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\u001b[32mimport \u001b[39m\u001b[36m$ivy.$                               \u001b[39m"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import $ivy.`org.scalatest::scalatest:3.0.5`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Exercises\n",
    "## Part 1\n",
    "Add a new non-implemented method to trait `Fruit`, that doesn't have any argument and returns a Double. Take method `color` as a reference"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "defined \u001b[32mtrait\u001b[39m \u001b[36mFruit\u001b[39m"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "trait Fruit {\n",
    "  def color: String\n",
    "  ???\n",
    "}"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Part 2\n",
    "Next, we have the Companion Object for trait `Fruit` that we created in PART I. Implement method `create`, that creates a `Fruit`, using the argument `_color`, and setting the `price` to \"3.0\".\n",
    "\n",
    "TIP: Remember that a trait has no constructors, so you'll have to use anonymous class syntax to create an instance. (`new Fruit {...}`)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "defined \u001b[32mobject\u001b[39m \u001b[36mFruit\u001b[39m"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "object Fruit {\n",
    "  def create(_color: String): Fruit = ???\n",
    "}"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Part 3\n",
    "Make class `Banana` extend from trait `Fruit`, setting the method `color` to \"yellow\" and receiving the `price` in the constructor."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "defined \u001b[32mclass\u001b[39m \u001b[36mBanana\u001b[39m"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "class Banana {\n",
    "  def color: String = ???\n",
    "}"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Part 4\n",
    "Create a fruit with any `color` using `Fruit.create` and a banana of any `price` using Banana class' constructor."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import org.scalatest._\n",
    "class Test(fruit:Fruit, banana:Banana) extends FunSpec with Matchers {\n",
    "    describe(\"The fruit\") {\n",
    "    it(\"should cost 3.0\") {\n",
    "      // Uncomment next line once the exercise is done\n",
    "      // fruit.price shouldBe 3.0\n",
    "    }\n",
    "  }\n",
    "\n",
    "  describe(\"The banana\") {\n",
    "    ignore(\"should be \\\"yellow\\\"\") {\n",
    "      banana.color shouldBe \"yellow\"\n",
    "    }\n",
    "  }\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "val fruit: Fruit = ???\n",
    "val banana: Banana = ???\n",
    "\n",
    "run(new Test(fruit, banana))"
   ]
  }
 ],
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