Main

.github/workflows/code_coverage.yml

@@ -44,4 +44,4 @@ jobs:
         QODANA_TOKEN: ${{ secrets.QODANA_TOKEN_JS }}
       with:
         args: "-i,src,--linter,jetbrains/qodana-js:2023.2-eap"
-        pr-mode: false
+        pr-mode: true

src/jest.config.js

@@ -4,5 +4,6 @@ module.exports = {
         '\\.[tj]s$': 'babel-jest',
     },
     coverageDirectory: '.qodana/code-coverage/',
-    coverageReporters: ['lcovonly']
+    coverageReporters: ['lcovonly'],
+    collectCoverageFrom: ['sum.js', 'subtract.js', 'divide.js'] 
 };

src/sum.js

@@ -8,9 +8,20 @@ function mul(a, b) {
   return a * b;
 }
 
+module.exports.mul = mul;
+
 function del(a, b) {
   return a - b;
 }
 
 module.exports.del = del;
 
+
+var x = 5
+var y = "10"
+
+// This line will cause a TypeError because you cannot add a number and a string.
+var result = x + y
+
+console.log(result);
+

src/sum.test.js

@@ -8,5 +8,7 @@ test('dels 10 - 8 to equal 2', () => {
   expect(sum.del(10, 8)).toBe(2);
 });
 
-
+test('muls 10 * 8 to equal 80', () => {
+  expect(sum.mul(10, 8)).toBe(80);
+});