In my Cucumber/Cypress test framework, I am trying to add a list of numbers together. They are defined in the below Feature File:
When add the following pokemon to my cart
| pokemonName | price |
| bulbasaur | 64 |
| ivysaur | 142 |
| venusaur | 263 |
Here is my Step Definition:
When('I add the following pokemon to my cart', (dataTable) => {
let totalAmount;
dataTable.hashes().forEach(elem => {
totalAmount += elem.price
});
cy.log(totalAmount)
});
Actual Result:
When I run this test, the totalAmount value logged is 64142263.
Expected Result:
I want the actual result to be the sum of the 3 prices - 469
I understand what the code is doing is appending the values together as strings, but I want to know how I can treat these values as numbers, so I can get the sum of them combined.
Cypress is most likely returning the text as a string instead of a number. When using += with a string, it will addend the string to the current string ('123' += '456' => '123456') instead of actually adding the numbers.
You could simply cast the text returned to a Number, if you did not want to use the unary plus operator.
...
totalAmount += Number(ele.price)
...
If picking this approach, it would probably be helpful to define a type for totalAmount
I never used Cucumber/Cypress but it looks like your totalAmount is the concatenation of your price values (=> price is considered as a string). You should try using the unary plus operator :
totalAmount = +totalAmount + +elem;