[REFACTOR] [Hacker Rank] Interview Preparation Kit: Dictionaries and Hashmaps: Count Triplets.

* TEST data moved to JSON.
* Adjusted the interface to match what hackerrank expects.

Author: sir-gon

src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count_triplets_1.big.testcases.json

@@ -0,0 +1,12 @@
+[
+  {
+    "title": "Sample Test Case 2",
+    "input": [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+         1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+         1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+         1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+         1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
+    "r": 1,
+    "expected": 161700
+  }
+]

src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count_triplets_1_testcases.json renamed to src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count_triplets_1.small.testcases.json

@@ -4,7 +4,7 @@
  */
 import { logger as console } from '../../../logger.js';
 
-export function countTriplets(arr, ratio) {
+function countTriplets(arr, ratio) {
   const size = arr.length;
   let counter = 0;
 
@@ -24,3 +24,4 @@ export function countTriplets(arr, ratio) {
 }
 
 export default { countTriplets };
+export { countTriplets };

src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count_triplets_1_bruteforce.js

@@ -3,32 +3,7 @@ import { logger as console } from '../../../logger.js';
 
 import { countTriplets } from './count_triplets_1_bruteforce.js';
 
-const SMALL_TEST_CASES = [
-  {
-    title: 'Sample Test Case 0',
-    input: [1, 2, 2, 4],
-    r: 2,
-    expected: 2
-  },
-  {
-    title: 'Sample Test Case 1',
-    input: [1, 3, 9, 9, 27, 81],
-    r: 3,
-    expected: 6
-  },
-  {
-    title: 'Sample Test Case 1 (unsorted)',
-    input: [9, 3, 1, 81, 9, 27],
-    r: 3,
-    expected: 1
-  },
-  {
-    title: 'Sample Test Case 12',
-    input: [1, 5, 5, 25, 125],
-    r: 5,
-    expected: 4
-  }
-];
+import SMALL_TEST_CASES from './count_triplets_1.small.testcases.json';
 
 describe('count_triplets_1', () => {
   it('countTriplets test cases', () => {

src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count_triplets_1_bruteforce.test.js

@@ -2,21 +2,8 @@ import { describe, expect, it } from '@jest/globals';
 import { logger as console } from '../../../logger.js';
 
 import { countTriplets } from './count_triplets_1_optmized.js';
-import SMALL_TEST_CASES from './count_triplets_1_testcases.json';
-
-const BIG_TEST_CASES = [
-  {
-    title: 'Sample Test Case 2',
-    input: [
-      1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-      1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-      1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-      1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
-    ],
-    r: 1,
-    expected: 161700
-  }
-];
+import SMALL_TEST_CASES from './count_triplets_1.small.testcases.json';
+import BIG_TEST_CASES from './count_triplets_1.big.testcases.json';
 
 describe('count_triplets_1 (optimized)', () => {
   it('countTriplets small test cases', () => {

src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count_triplets_1_optimized.test.js

@@ -3,7 +3,7 @@
  * @see Solution Notes: [[docs/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count_triplets_1-solution-notes.md]]
  */
 
-export function countTriplets(arr, ratio) {
+function countTriplets(arr, ratio) {
   let triplets = 0;
 
   const aCounter = arr.reduce((accumulator, entry) => {
@@ -36,3 +36,4 @@ export function countTriplets(arr, ratio) {
 }
 
 export default { countTriplets };
+export { countTriplets };