Diving deep into the reasons behind a test's failure

Currently, I am using Postman to test the API that I am developing with express. In this process, I am creating a series of tests. Below is a brief example:

tests["Status code is 200"] = responseCode.code === 200;

// Verifying the expected board
var expected = { _id: 11, name: "board A" };
tests["Board retrieved"] = JSON.stringify(expected) === responseBody;

However, I have noticed that if my tests fail, they do not provide me with any valuable information:

https://i.stack.imgur.com/I040K.png

Does anyone know of a different method to validate the results which will display the expected and actual values like traditional test runners? The only solution I have come up with so far is embedding the information into the test name - which seems like a somewhat inefficient workaround.

javascriptpostman

Answer №1

To potentially enhance the assignment and add more functionality, one workaround could involve encapsulating the process:

/** To display additional information in the label only if validations fail */
tests.checkEquals = function (expected, actual, label) {
  if (expected !== actual) {
    this[label + ': Expected "' + expected + '" but got "' + actual + '"'] = false;
  } else {
    this[label] = true;
  }
}

tests.checkEquals(JSON.stringify(expected), responseBody, "Board retrieved");

As mentioned, this approach may seem like a temporary fix, but having this information available only when necessary and keeping it 'hidden' within a method can lead to cleaner and more readable code. Alternatively, you could consider using console.log to display extra information instead of directly modifying the label, although preference plays a role in this decision.

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