feat: solved day 14 part 1

2024-12-15 13:50:34 -06:00
parent abfa9e50ba
commit bfff85956e
3 changed files with 251 additions and 2 deletions
@@ -0,0 +1,73 @@
+namespace RestroomRedoubt.Tests;
+
+public class RobotTests
+{
+  [Test]
+  [MethodDataSource(nameof(FromTestCases))]
+  public async Task From_WhenCalledWithInput_ItShouldReturnExpectedRobot(FromTestCase testCase)
+  {
+    var expected = Robot.From(
+      testCase.ExpectedPosition.X,
+      testCase.ExpectedPosition.Y,
+      testCase.ExpectedVelocity.X,
+      testCase.ExpectedVelocity.Y
+    );
+
+    var result = Robot.From(testCase.Input);
+
+    await Assert.That(result).IsEqualTo(expected);
+  }
+
+  [Test]
+  [MethodDataSource(nameof(MoveTestCases))]
+  public async Task Move_WhenCalled_ItShouldMoveRobotToExpectedPosition(MoveTestCase testCase)
+  {
+    var robot = Robot.From(
+      testCase.CurrentPosition.X,
+      testCase.CurrentPosition.Y,
+      testCase.Velocity.X,
+      testCase.Velocity.Y
+    );
+
+    var result = robot.Move(testCase.Area.Width, testCase.Area.Height);
+
+    await Assert.That(result).IsEqualTo(testCase.ExpectedNextPosition);
+  }
+
+  public static IEnumerable<Func<MoveTestCase>> MoveTestCases()
+  {
+    var testVelocity = (2, -3);
+    var testArea = (11, 7);
+    
+    yield return () => new((2, 4), testVelocity, testArea, (4, 1));
+    yield return () => new((4, 1), testVelocity, testArea, (6, 5));
+    yield return () => new((6, 5), testVelocity, testArea, (8, 2));
+    yield return () => new((8, 2), testVelocity, testArea, (10, 6));
+    yield return () => new((10, 6), testVelocity, testArea, (1, 3));
+  }
+
+  public record MoveTestCase(
+    (int X, int Y) CurrentPosition, 
+    (int X, int Y) Velocity,
+    (int Width, int Height) Area,
+    (int X, int Y) ExpectedNextPosition
+  );
+
+  public static IEnumerable<Func<FromTestCase>> FromTestCases()
+  {
+    yield return () => new("p=0,4 v=3,-3", (0, 4), (3, -3));
+    yield return () => new("p=6,3 v=-1,-3", (6, 3), (-1, -3));
+    yield return () => new("p=10,3 v=-1,2", (10, 3), (-1, 2));
+    yield return () => new("p=2,0 v=2,-1", (2, 0), (2, -1));
+    yield return () => new("p=0,0 v=1,3", (0, 0), (1, 3));
+    yield return () => new("p=3,0 v=-2,-2", (3, 0), (-2, -2));
+    yield return () => new("p=7,6 v=-1,-3", (7, 6), (-1, -3));
+    yield return () => new("p=3,0 v=-1,-2", (3, 0), (-1, -2));
+    yield return () => new("p=9,3 v=2,3", (9, 3), (2, 3));
+    yield return () => new("p=7,3 v=-1,2", (7, 3), (-1, 2));
+    yield return () => new("p=2,4 v=2,-3", (2, 4), (2, -3));
+    yield return () => new("p=9,5 v=-3,-3", (9, 5), (-3, -3));
+  }
+  
+  public record FromTestCase(string Input, (int X, int Y) ExpectedPosition, (int X, int Y) ExpectedVelocity);
+}
@@ -0,0 +1,42 @@
+namespace RestroomRedoubt.Tests;
+
+public class SimulationTests
+{
+  private readonly string[] _exampleInput = [
+    "p=0,4 v=3,-3",
+    "p=6,3 v=-1,-3",
+    "p=10,3 v=-1,2",
+    "p=2,0 v=2,-1",
+    "p=0,0 v=1,3",
+    "p=3,0 v=-2,-2",
+    "p=7,6 v=-1,-3",
+    "p=3,0 v=-1,-2",
+    "p=9,3 v=2,3",
+    "p=7,3 v=-1,2",
+    "p=2,4 v=2,-3",
+    "p=9,5 v=-3,-3",
+  ];
+
+  private async Task<string[]> GetPuzzleInput()
+  {
+    return await File.ReadAllLinesAsync(Path.Combine(AppContext.BaseDirectory, "INPUT.txt"));
+  }
+
+  [Test]
+  public async Task Run_WhenCalledWithPuzzleInput_ItShouldReturnExpectedValue()
+  {
+    var input = await GetPuzzleInput();
+    
+    var result = Simulation.From(101, 103, input).Run(100);
+
+    await Assert.That(result).IsEqualTo(224554908);
+  }
+  
+  [Test]
+  public async Task Run_WhenCalledWithExampleInput_ItShouldReturnExpectedValue()
+  {
+    var result = Simulation.From(11, 7, _exampleInput).Run(100);
+
+    await Assert.That(result).IsEqualTo(12);
+  }
+}