fix(plugin-coverage): calculate coverage for no found entities as full coverage

Author: Tlacenka

packages/plugin-coverage/src/lib/runner/lcov/utils.ts

@@ -7,7 +7,7 @@ import { NumberRange } from './types';
  * @returns coverage between 0 and 1
  */
 export function calculateCoverage(hit: number, found: number): number {
-  return found > 0 ? hit / found : 0;
+  return found > 0 ? hit / found : 1;
 }
 
 export function mergeConsecutiveNumbers(numberArr: number[]): NumberRange[] {

packages/plugin-coverage/src/lib/runner/lcov/utils.unit.test.ts

@@ -10,8 +10,8 @@ describe('calculateCoverage', () => {
     expect(calculateCoverage(0, 25)).toBe(0);
   });
 
-  it('should calculate zero coverage when no entity was covered or found', () => {
-    expect(calculateCoverage(0, 0)).toBe(0);
+  it('should assign full coverage when no entity was found', () => {
+    expect(calculateCoverage(0, 0)).toBe(1);
   });
 });