Day 2 Part 2

day_2/test/day_2_test.gleam

@@ -110,6 +110,43 @@ pub fn ranges_parse_test() {
     ]
 }
 
-pub fn calibrate() {
+pub fn calibrate_test() {
   assert day_2.file_to_sum_of_bad_ids("test/calibration.txt") == 1_227_775_554
 }
+
+pub fn int_to_substrings_test() {
+  assert day_2.digits_to_substrings([1, 2, 3, 4]) == [[1], [1, 2], [1, 2, 3]]
+}
+
+pub fn can_repeat_into_test() {
+  assert day_2.can_repeat_into([1, 2], [1, 2, 3, 4])
+}
+
+pub fn cannot_repeat_into_test() {
+  assert !{ day_2.can_repeat_into([1, 2], [1, 2, 3]) }
+}
+
+pub fn repeats_into_test() {
+  assert day_2.repeats_into([1, 2], [1, 2, 1, 2])
+}
+
+pub fn doesnot_repeat_into_test() {
+  assert !day_2.repeats_into([1, 2], [1, 2, 3])
+}
+
+pub fn has_doubled_string_test() {
+  assert day_2.has_repeated_string(1212)
+}
+
+pub fn has_trippled_string_test() {
+  assert day_2.has_repeated_string(121_212)
+}
+
+pub fn no_repeated_strings_test() {
+  assert !day_2.has_repeated_string(123)
+}
+
+pub fn calibrate_part2_test() {
+  assert day_2.file_to_sum_of_bad_ids_part2("test/calibration.txt")
+    == 4_174_379_265
+}