Category "unit-testing"

Mocked values mismatch with MagicMock

I am working on a python project, where we read parquet files from azure datalake and perform the required operations. We have defined a common parquet file rea

Angular 12 setting up Unit test with JEST when running no tests found

Edit: My Jest was not setup on my Angular project properly. so if you are experience this then your Jest was not setup properly, if anyone has a good guide on s

I am getting this error "TypeError: this.reCaptchaApi.render is not a function" when I try to access elements of reactive form for unit testing

I am trying to write unit test cases for registration component in my project, but when I try to access a input ele by ID to test it's placeholder which is in t

Returning multiple objects from a pytest fixture

I am learning how to use pytest by testing a simple event emitter implementation. Basically, it looks like this class EventEmitter(): def __init__(self):

How to test an exception was not thrown with Jest?

The Jest docs do not demonstrate a way of asserting that no exception was thrown, only that one was. expect(() => ...error...).toThrow(error) How do I asse

Using scalamock: Could not find implicit value for evidence parameter of type error

I am writing unit tests for my spark/scala application. I am using scalamock as well to mock objects, specifically Session / Session Factory. In one of my test

How to get the response data in laravel unit testing

I have been trying to work with laravel unit testing. What I wanted was how to get the response data of original. public function testProducts() { $respons

How to get the arguments passed to various calls from call_args_list?

I'm trying to use call_args_list to get the arguments passed to a certain function when it is called multiple times. I'm using this: call_args_list = mock.add_

How to change mock implementation on a per single test basis [Jestjs]

I'd like to change the implementation of a mocked dependency on a per single test basis by extending the default mock's behaviour and reverting it back to the o

How to write the unit test cases for filterpredict function for mat angular table

setupFilter(column: string) { this.dataSource.filterPredicate = (d: Element, filter: string) => { const textToSearch = d[column] && d[column

Mocha + Chai: Continue and try all assertions after failure for the test

I would like the test runner to continue testing the whole it test even after the assertion fails. const { assert } = require('chai'); describe('Test suite', (

MockK "io.mockk.MockKException: no answer found for:" error

Hi i am trying to mock the response i get from a Single observable that gets returned from retrofit using a delegator that my presenter class calls and i am get

Testing a Generator in Python

I programmed a very simple generator in Python 3.4: class Gen: def __init__(self, xml_lines, attribs): #... def _get_values(self, xml_line): # get

Using Application Insights with Unit Tests?

I have an MVC web app, and I'm using Simple Injector for DI. Almost all my code is covered by unit tests. However, now that I've added some telemetry calls in

JUnit testing got initializationError with java.lang.Exception: No tests found matching

When running JUnit testing , it gave an initializationError: No tests found matching. Like this: prodapi-main-junit initializationError(org.junit.runner.manip

AWS CDK - How to test a resource has one value within an array of values

I have a test suite for an EC2 Redis construct that tests if the resource has particular IAM policies attached. I can test if it has all of the values within on

TDD for an algorithm involving randomness

I would like to try out test-driven development, but the project I am working on involves a lot of randomness and I am very unsure about how I can test it. Here

Using Liquibase to initialize in-memory H2 for unit tests in Spring Boot application

I've used in-mem databases in Spring JPA tests many times, and never had a problem. This time, I have a bit more complex schema to initialize, and that schema m

Django testing rest-framework: APIRequestFactory vs APIClient

Being new to testing i'm looking to test my API in Django (Django-rest-framework). I'm setting up tests for my views, that is my API endpoints. Now looking ov

Testing Svelte components with dynamically imported components in jest (await import)

I'm writing a test in jest for a svelte component which dynamically imports another component. The following snippet is the part where the dynamic import happen