Added tests (shaariqch#24)

Author: RubinderS

.github/workflows/js_tests.yml

@@ -0,0 +1,24 @@
+name: JavaScript_Tests
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [8.x, 10.x, 12.x]
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: npm install, build, and test
+      run: |
+        node tests/run_tests.js
+      env:
+        CI: true

easy/largest_product_by_3_integers/largest_product_by_3_integers.js

@@ -31,6 +31,4 @@ function largestProductBy3Integers(arr) {
   return a * b * c;
 }
 
-/* Test */
-console.log(largestProductBy3Integers([-10, -10, 5, 2])); // 500
-console.log(largestProductBy3Integers([5, 8, 9, 0])); // 360
+module.exports = largestProductBy3Integers;

easy/largest_product_by_3_integers/test.json

@@ -0,0 +1,15 @@
+{
+  "title": "largest_product_by_3_integers",
+  "tests": [
+    {
+      "desc": 1,
+      "args": [[-10, -10, 5, 2]],
+      "exp": 500
+    },
+    {
+      "desc": 2,
+      "args": [[5, 8, 9, 0]],
+      "exp": 360
+    }
+  ]
+}

easy/matrix_spiral/matrix_spiral.js

@@ -43,12 +43,4 @@ function displayMatrixSpiral(mat) {
   console.log(spiral.join('\n'));
 }
 
-/* Test */
-const mat = [
-  [1, 2, 3, 4, 5],
-  [6, 7, 8, 9, 10],
-  [11, 12, 13, 14, 15],
-  [16, 17, 18, 19, 20],
-];
-
-displayMatrixSpiral(mat);
+module.exports = matrixSpiral;

easy/matrix_spiral/test.json

@@ -0,0 +1,20 @@
+{
+  "title": "matrix_spiral",
+  "tests": [
+    {
+      "desc": 1,
+      "args": [[[1, 2, 3, 4, 5], [6, 7, 8, 9, 10], [11, 12, 13, 14, 15], [16, 17, 18, 19, 20]]],
+      "exp": [1, 2, 3, 4, 5, 10, 15, 20, 19, 18, 17, 16, 11, 6, 7, 8, 9, 14, 13, 12]
+    },
+    {
+      "desc": 2,
+      "args": [[[1]]],
+      "exp": [1]
+    },
+    {
+      "desc": 3,
+      "args": [[[]]],
+      "exp": []
+    }
+  ]
+}

hard/largest_sum_adjacent_numbers/largest_sum_adjacent_numbers.js

@@ -13,7 +13,4 @@ function largestSumOfNonAdjacentNumbers(arr) {
   return Math.max(inc, exc);
 }
 
-/* Test */
-console.log(largestSumOfNonAdjacentNumbers([1, 4, 10, 50, 80, 38])); // 92
-console.log(largestSumOfNonAdjacentNumbers([1, 2])); // 2
-console.log(largestSumOfNonAdjacentNumbers([2, 1])); // 2
+module.exports = largestSumOfNonAdjacentNumbers;

hard/largest_sum_adjacent_numbers/test.json

@@ -0,0 +1,20 @@
+{
+  "title": "largest_sum_adjacent_numbers",
+  "tests": [
+    {
+      "desc": 1,
+      "args": [[1, 4, 10, 50, 80, 38]],
+      "exp": 92
+    },
+    {
+      "desc": 2,
+      "args": [[1, 2]],
+      "exp": 2
+    },
+    {
+      "desc": 3,
+      "args": [[2, 1]],
+      "exp": 2
+    }
+  ]
+}

hard/longest_increasing_subsequence/longest_increasing_subsequence.js

@@ -47,36 +47,4 @@ function longest_increasing_subsequence_Array(arr) {
   return lis.reduce((acc, val) => (acc.length >= val.length ? acc : val));
 }
 
-/* Test */
-const tests = [
-  {
-    desc: '1',
-    args: [[0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15]],
-    res: 6,
-  },
-  {
-    desc: '2',
-    args: [[1, 2, 3, 4, 5]],
-    res: 5,
-  },
-  {
-    desc: '3',
-    args: [[1, 2, 0, 4, 5]],
-    res: 4,
-  },
-  {
-    desc: '4',
-    args: [[1, 2, 0, -4, 5]],
-    res: 3,
-  },
-];
-
-tests.forEach((test) => {
-  const receivedResult = longest_increasing_subsequence_Length(...test.args);
-  if (test.res === receivedResult) {
-    console.log(`Pass: ${test.desc} | ${test.args.join(', ')} => ${test.res}`);
-  } else {
-    console.log(`\nFail: ${test.desc}`);
-    console.log(`expected: ${test.res} | received: ${receivedResult}\n`);
-  }
-});
+module.exports = longest_increasing_subsequence_Length;

hard/longest_increasing_subsequence/test.json

@@ -0,0 +1,25 @@
+{
+  "title": "longest_increasing_subsequence",
+  "tests": [
+    {
+      "desc": 1,
+      "args": [[0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15]],
+      "exp": 6
+    },
+    {
+      "desc": 2,
+      "args": [[1, 2, 3, 4, 5]],
+      "exp": 5
+    },
+    {
+      "desc": 3,
+      "args": [[1, 2, 0, 4, 5]],
+      "exp": 4
+    },
+    {
+      "desc": 4,
+      "args": [[1, 2, 0, -4, 5]],
+      "exp": 3
+    }
+  ]
+}