add code coverage

Author: spaenleh

Sources/Day05.swift

@@ -12,9 +12,9 @@ struct Day05: AdventDay {
     let parts = data.split(separator: "\n\n")
     rules = [Int: [Int]]()
     for line in parts[0].lines() {
-      let parts = line.split(separator: "|")
-      let before = Int(parts[0]) ?? 0
-      let after = Int(parts[1]) ?? 0
+      let parts = line.integers(separator: "|")
+      let before = parts[0]
+      let after = parts[1]
       rules[after, default: [Int]()].append(before)
     }
     updates = parts[1].lines().map { $0.integers(separator: ",") }

Sources/Day06.swift

@@ -99,29 +99,25 @@ struct Day06: AdventDay {
     if wrappedOffset == 0 {
       if c[c.startIndex].x > c[c.endIndex - 1].x {
         let coord = Coord(x: c[c.startIndex].x - 1, y: c[c.endIndex - 1].y)
-        print("yes 0", coord)
         return coord
       }
     }
     if wrappedOffset == 1 {
       if c[c.startIndex].y > c[c.endIndex - 1].y {
         let coord = Coord(x: c[c.startIndex].x, y: c[c.startIndex].y - 1)
-        print("yes 1", coord)
         return coord
       }
     }
     if wrappedOffset == 2 {
 
       if c[c.startIndex].x < c[c.endIndex - 1].x {
         let coord = Coord(x: c[c.endIndex - 1].x + 1, y: c[c.startIndex].y)
-        print("yes 2", coord)
         return coord
       }
     }
     if wrappedOffset == 3 {
       if c[c.startIndex].y < c[c.endIndex - 1].y {
         let coord = Coord(x: c[c.endIndex - 1].x, y: c[c.startIndex].y + 1)
-        print("yes 3", coord)
         return coord
       }
     }
@@ -143,22 +139,19 @@ struct Day06: AdventDay {
       if offset > 4 {
 
         // TODO: this is not right
-        for (idx, elem) in obstacles[0...offset].enumerated() {
-          print("trying", idx, elem)
+        for (_, elem) in obstacles[0...offset].enumerated() {
           let wrappedOffset = offset % 4
           c[3] = elem
           if let coord = isAValidLoop(wrappedOffset: wrappedOffset, c: c) {
             if steps.contains(coord) {
               count += 1
               newObstacles.append(coord)
-              print(c)
             }
           }
         }
 
       }
     }
-    print(newObstacles)
 
     // 115 -> too low
     return count

Sources/Day07.swift

@@ -41,7 +41,6 @@ struct Day07: AdventDay {
           res *= value
         }
       }
-      // print(calibration, "->", res)
       if res == calibration.result {
 
         // early from the loop
@@ -81,9 +80,7 @@ struct Day07: AdventDay {
           res = Int(String(res) + String(value)) ?? 0
         }
       }
-      // print(calibration, "->", res)
       if res == calibration.result {
-
         // early from the loop
         return true
       }

Sources/Day09.swift

@@ -95,7 +95,6 @@ struct Day09: AdventDay {
         // increment the pointer
         pointer += file.capacity
         if disk.count == 0 {
-          print("we are done here !")
           break
         }
         continue

Tests/Extensions/String+Parsing.swift

@@ -31,4 +31,12 @@ struct StringExtensions {
     #expect("a 1 toto 1.3".doubles() == [1.0, 1.3])
     #expect("1 2 3 4".integers() == [1, 2, 3, 4])
   }
+
+  @Test func testCharacterGrid() async throws {
+    #expect(
+      """
+      abc
+      def
+      """.toCharacterGrid() == [["a", "b", "c"], ["d", "e", "f"]])
+  }
 }

Tests/Helpers/Coord.swift

@@ -0,0 +1,23 @@
+import Testing
+
+@testable import aoc
+
+@Suite("Coord")
+struct CoordTest {
+  @Test("Initialize Coord")
+  func testInit() async throws {
+    let coord = Coord(rawValue: "0,0")
+    #expect(coord?.x == 0)
+    #expect(coord?.y == 0)
+  }
+
+  @Test("Description")
+  func testDescription() async throws {
+    let coord = Coord(x: 2, y: 3)
+    #expect("\(coord)" == "2,3")
+  }
+
+  @Test func testDivision() async throws {
+    #expect(Coord(x: 2, y: 4) / 2 == Coord(x: 1, y: 2))
+  }
+}