test(2024/07): add test

2024/day07.scala

@@ -19,10 +19,15 @@ def getCombo(xs: List[Long], next: Op) =
 def solve(xss: Vector[(Long, List[Long])], op: Op) =
   xss.filter((target, xs) => getCombo(xs, op).exists(_ == target)).map(_._1).sum
 
+def parse(input: String) = input.linesIterator.collect { case s"$target: $xs" =>
+  (target.toLong, xs.split(" ").map(_.toLong).toList)
+}.toVector
+
+def part1(y: Long)(x: Long) = List(x + y, x * y)
+def part2(y: Long)(x: Long) = List(x + y, x * y, x || y)
+
 @main def main() =
-  val input = readInput(this).getLines.collect { case s"$target: $xs" =>
-    (target.toLong, xs.split(" ").map(_.toLong).toList)
-  }.toVector
+  val input = readInput(this).mkString |> parse
 
-  println(solve(input, (x) => (a) => List(a + x, a * x)))
-  println(solve(input, (x) => (a) => List(a + x, a * x, a || x)))
+  println(solve(input, part1))
+  println(solve(input, part2))

2024/day07.test.scala

@@ -0,0 +1,24 @@
+package `2024`.day07
+
+import prelude.*
+import munit.FunSuite
+
+val example =
+  """|190: 10 19
+     |3267: 81 40 27
+     |83: 17 5
+     |156: 15 6
+     |7290: 6 8 6 15
+     |161011: 16 10 13
+     |192: 17 8 14
+     |21037: 9 7 18 13
+     |292: 11 6 16 20""".stripMargin
+
+class Test extends FunSuite:
+  val input = example |> parse
+
+  test("part 1"):
+    assertEquals(solve(input, part1), 3749L)
+
+  test("part 2"):
+    assertEquals(solve(input, part2), 11387L)