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Day11PropSpec.scala
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Day11PropSpec.scala
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package com.kensai.aoc.aoc2020
import Day11._
import com.kensai.aoc.lib.SimpleTestParam
import org.junit.runner.RunWith
import org.scalatest.GivenWhenThen
import org.scalatest.matchers.should.Matchers
import org.scalatest.prop.TableDrivenPropertyChecks
import org.scalatest.propspec.AnyPropSpec
import org.scalatestplus.junit.JUnitRunner
@RunWith(classOf[JUnitRunner])
class Day11PropSpec extends AnyPropSpec with TableDrivenPropertyChecks with Matchers with GivenWhenThen with Day11Fixtures {
property("parse should return valid Board") {
val inputs = Table(
"Test parameters",
SimpleTestParam("...", Board(1, 3, Map())),
SimpleTestParam(
"L.#",
Board(1, 3, Map(Pos(0, 0) -> 'L', Pos(0, 2) -> '#'))
),
SimpleTestParam(
"L.#\n..L\n",
Board(2, 3, Map(Pos(0, 0) -> 'L', Pos(0, 2) -> '#', Pos(1, 2) -> 'L'))
)
)
forAll(inputs) { param =>
Given(s"Input is \n${param.input}")
When(s"parse(input)")
val result = parse(param.input)
Then(s"result should be ${param.expectedResult}")
result shouldBe param.expectedResult
}
}
property("extractAdjacent should return valid List") {
case class ExtractAdjacentTestParam(
input: String,
pos: Pos,
expectedResult: List[Char])
val inputs = Table(
"Test parameters",
ExtractAdjacentTestParam("...", Pos(0, 0), List.empty[Char]),
ExtractAdjacentTestParam("...", Pos(0, 1), List.empty[Char]),
ExtractAdjacentTestParam("...", Pos(0, 2), List.empty[Char]),
ExtractAdjacentTestParam("L.#", Pos(0, 0), List.empty[Char]),
ExtractAdjacentTestParam("L.#", Pos(0, 1), List('#', 'L')),
ExtractAdjacentTestParam("L.#", Pos(0, 2), List.empty[Char]),
ExtractAdjacentTestParam(
"LL#\nL.#\nL##\n",
Pos(1, 1),
List('L', 'L', 'L', 'L', '#', '#', '#', '#')
)
)
forAll(inputs) { param =>
Given(s"Input is \n${param.input}")
val board = parse(param.input)
When(s"parse(${param.pos}, input)")
val result = extractAdjacent(param.pos, board).sorted
Then(s"result should be ${param.expectedResult}")
result shouldBe param.expectedResult.sorted
}
}
property(
"computeSwitch should return new char for count=4 and extractAdjacent"
) {
case class ComputeSwitchTestParam(
input: String,
pos: Pos,
expectedResult: Option[(Pos, Char)])
val inputs = Table(
"Test parameters",
ComputeSwitchTestParam("###\n#L#\n###", Pos(1, 1), None),
ComputeSwitchTestParam(
"###\n###\n###",
Pos(1, 1),
Some((Pos(1, 1), 'L'))
),
ComputeSwitchTestParam("###\n.#.\nLLL", Pos(1, 1), None)
)
forAll(inputs) { param =>
Given(s"Input is \n${param.input}")
val board = parse(param.input)
When(s"parse(${param.pos}, input)")
val result = computeSwitch(param.pos, board, 4, extractAdjacent)
Then(s"result should be ${param.expectedResult}")
result shouldBe param.expectedResult
}
}
property("doComputeNextBoard should return valid board according to specs") {
val inputs = Table(
"Test parameters",
SimpleTestParam(state1Part1Inputs, state2Part1Inputs),
SimpleTestParam(state2Part1Inputs, state3Part1Inputs),
SimpleTestParam(state3Part1Inputs, state4Part1Inputs),
SimpleTestParam(state4Part1Inputs, state5Part1Inputs)
)
forAll(inputs) { param =>
Given(s"Input is \n${param.input}")
val board = parse(param.input)
When(s"parse(${param.pos}, input)")
val result = doComputeNextBoard(board, 4, extractAdjacent)
val expectedResult = parse(param.expectedResult)
Then(s"result should be $expectedResult")
result shouldBe expectedResult
}
}
//
property("doComputeNextBoard should return valid adjacent") {
case class ComputeNextBoardTestParam(
input: String,
expectedCount: Int,
expectedResult: String)
val inputs = Table(
"Test parameters",
ComputeNextBoardTestParam(
"L.#.L\n.....\n#.L.#\n.....\nL.#.L\n",
5,
"L.#.L\n.....\n#.L.#\n.....\nL.#.L\n"
), // Same board
ComputeNextBoardTestParam("...\n.L.\n...\n", 5, "...\n.#.\n...\n"),
ComputeNextBoardTestParam("#.L\n...\n..#\n", 1, "L.L\n...\n..L\n"),
ComputeNextBoardTestParam(
"###\n.#.\n..#\n",
5,
"###\n.#.\n..#\n"
), // Same board
ComputeNextBoardTestParam("##\n##\n##\n", 5, "##\nLL\n##\n"),
ComputeNextBoardTestParam("###\n###\n###\n", 5, "#L#\nLLL\n#L#\n"),
ComputeNextBoardTestParam(state0Inputs, 5, state1Part2Inputs),
ComputeNextBoardTestParam(state1Part2Inputs, 5, state2Part2Inputs),
ComputeNextBoardTestParam(state2Part2Inputs, 5, state3Part2Inputs),
ComputeNextBoardTestParam(state3Part2Inputs, 5, state4Part2Inputs),
ComputeNextBoardTestParam(state4Part2Inputs, 5, state5Part2Inputs)
)
forAll(inputs) { param =>
Given(s"Input is \n${param.input}")
val board = parse(param.input)
When(s"doComputeNextBoard(${param.expectedCount}, input)")
val result =
doComputeNextBoard(board, param.expectedCount, extractVisibleAdjacent)
val expectedResult = parse(param.expectedResult)
Then(s"result should be $expectedResult")
result shouldBe expectedResult
}
}
}