String Calculator TDD Kata

Technologies i have used :

- JavaScript
- Jest (for testing)

Setup & Run The program :

git clone https://github.com/maneyd/string-calculator-tdd.git
cd string-calculator-tdd

-) install the dependencies 
    npm install -y
    npm install jest
-) to test the test cases
    npm test

Test cases are represented like this:

-) Test Case
-) failed test with screenshot
-) code to pass it
-) passed test with screenshot

You can find this in the screenshots/ folder and in the step-by-step TDD section below.

TDD Cycle :

Test 1: should return 0 for empty string

Test Failed

Code to Pass

Test Passed

---

Test 2: should return number when only one number is provided

Test Failed

Code to Pass

Test Passed

---

Test 3: should return sum of numbers when only two numbers are provided

Test Failed

Code to Pass

Test Passed

---

Test 4: should return sum of n numbers

Code to Pass

Test Passed

---

Test 5: should handle newlines between numbers

Test Failed

Code to Pass

Test Passed

---

Test 6: should handle custom delimiter starting with //

Test Failed

Code to Pass

Test Passed

---

Test 7: should throw an exception when negative numbers are present

Test Failed

Code to Pass

Test Passed

---

Test 8: should ignore numbers greater than 1000

Test Failed

Code to Pass

Test Passed

---

Test 9: should handle delimiter of any length

Test Failed

Code to Pass

Test Passed