Example Day01Test implementation

Author: hsz

src/main/kotlin/com/github/hsz/aoc/aoc2021/Day01.kt

@@ -5,10 +5,10 @@ import com.github.hsz.aoc.Day
 class Day01 : Day(2021, 1) {
 
     override fun part1(input: String): Number {
-        TODO("Not yet implemented")
+        return 0
     }
 
     override fun part2(input: String): Number {
-        TODO("Not yet implemented")
+        return 0
     }
 }

src/test/kotlin/com/github/hsz/aoc/DayTest.kt

@@ -3,20 +3,21 @@ package com.github.hsz.aoc
 import org.junit.jupiter.api.Assertions
 import org.junit.jupiter.api.DynamicTest
 
-open class DayTest(val day: Day) {
+abstract class DayTest(val day: Day) {
+
     fun test(
-        function: Function1<String, Number>,
+        function: (String) -> Number,
         answer: Number,
-        data: Collection<Pair<String, Number>> = emptyList(),
-        custom: Collection<Pair<Number, Number>> = emptyList(),
+        testData: Collection<Pair<String, Number>> = emptyList(),
+        asserts: Collection<Pair<Number, Number>> = emptyList(),
     ) =
-        data.mapIndexed { index, (testInput, expected) ->
+        testData.mapIndexed { index, (testInput, expected) ->
             DynamicTest.dynamicTest("Test case #${index + 1}") {
                 Assertions.assertEquals(expected, function(testInput.trimIndent()))
             }
         } +
-            custom.mapIndexed { index, (testValue, expected) ->
-                DynamicTest.dynamicTest("Test case #${index + 1 + data.size}") {
+            asserts.mapIndexed { index, (testValue, expected) ->
+                DynamicTest.dynamicTest("Test case #${index + 1 + testData.size}") {
                     Assertions.assertEquals(expected, testValue)
                 }
             } +

src/test/kotlin/com/github/hsz/aoc/aoc2021/Day01Test.kt

@@ -0,0 +1,26 @@
+package com.github.hsz.aoc.aoc2021
+
+import com.github.hsz.aoc.DayTest
+import org.junit.jupiter.api.TestFactory
+
+class Day01Test : DayTest(Day01()) {
+
+    @TestFactory
+    fun `Part 1`() = test(
+        function = day::part1,
+        testData = listOf(
+            "" to 0,
+        ),
+        answer = 0
+    )
+
+    @TestFactory
+    fun `Part 2`() = test(
+        function = day::part2,
+        testData = listOf(
+            "" to 0,
+        ),
+        answer = 0
+    )
+}
+