[REFACTOR] [Hacker Rank] Interview Preparation Kit: Dictionaries and Hashmaps: Count Triplets. TEST data moved to JSON.

Author: Gonzalo Diaz

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

@@ -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

@@ -1,29 +1,16 @@
 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 CountTriplets from './count_triplets_1_optmized.js';
+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', () => {
     expect.assertions(4);
 
     SMALL_TEST_CASES.forEach((test) => {
-      const answer = countTriplets(test.input, test.r);
+      const answer = CountTriplets.countTriplets(test.input, test.r);
 
       console.debug(
         `countTriplets(${test.input}, ${test.r}) solution found: ${answer}`
@@ -37,7 +24,7 @@ describe('count_triplets_1 (optimized)', () => {
     expect.assertions(1);
 
     BIG_TEST_CASES.forEach((test) => {
-      const answer = countTriplets(test.input, test.r);
+      const answer = CountTriplets.countTriplets(test.input, test.r);
 
       console.debug(
         `countTriplets(${test.input}, ${test.r}) solution found: ${answer}`

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) => {

src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/count_triplets_1_optmized.js

@@ -5,7 +5,7 @@
 const __YES__ = 'Yes';
 const __NO__ = 'No';
 
-export function checkMagazineCompute(magazine, note) {
+function checkMagazineCompute(magazine, note) {
   const dictionary = {};
 
   for (const word of magazine) {
@@ -27,7 +27,7 @@ export function checkMagazineCompute(magazine, note) {
   return true;
 }
 
-export function checkMagazine(magazine, note) {
+function checkMagazine(magazine, note) {
   return checkMagazineCompute(magazine, note) ? __YES__ : __NO__;
 }
 

src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/ctci-ransom-note.js

@@ -1,35 +1,15 @@
 import { describe, expect, it } from '@jest/globals';
 import { logger as console } from '../../../logger.js';
 
-import { checkMagazine } from './ctci-ransom-note.js';
-
-const TEST_CASES = [
-  {
-    title: 'Sample Test Case 0',
-    magazine: ['give', 'me', 'one', 'grand', 'today', 'night'],
-    note: ['give', 'one', 'grand', 'today'],
-    expected: 'Yes'
-  },
-  {
-    title: 'Sample Test Case 1',
-    magazine: ['two', 'times', 'three', 'is', 'not', 'four'],
-    note: ['two', 'times', 'two', 'is', 'four'],
-    expected: 'No'
-  },
-  {
-    title: 'Sample Test',
-    magazine: ['two', 'two', 'times', 'three', 'is', 'not', 'four'],
-    note: ['two', 'times', 'two', 'is', 'four'],
-    expected: 'Yes'
-  }
-];
+import ransomNote from './ctci-ransom-note.js';
+import TEST_CASES from './ctci-ransom-note.testcases.json';
 
 describe('ctci_ransom_note', () => {
   it('checkMagazine test cases', () => {
     expect.assertions(3);
 
     TEST_CASES.forEach((value) => {
-      const answer = checkMagazine(value.magazine, value.note);
+      const answer = ransomNote.checkMagazine(value.magazine, value.note);
 
       console.debug(
         `checkMagazine(${value.magazine}, ${value.note}) solution found: ${answer}`

src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/ctci-ransom-note.test.js

@@ -0,0 +1,20 @@
+[
+  {
+    "title": "Sample Test Case 0",
+    "magazine": ["give", "me", "one", "grand", "today", "night"],
+    "note": ["give", "one", "grand", "today"],
+    "expected": "Yes"
+  },
+  {
+    "title": "Sample Test Case 1",
+    "magazine": ["two", "times", "three", "is", "not", "four"],
+    "note": ["two", "times", "two", "is", "four"],
+    "expected": "No"
+  },
+  {
+    "title": "Sample Test",
+    "magazine": ["two", "two", "times", "three", "is", "not", "four"],
+    "note": ["two", "times", "two", "is", "four"],
+    "expected": "Yes"
+  }
+]