Fran Saoco

Fran Saoco @fransaoco

About: Software Engineer | Learning and Sharing

Location:
Spain
Joined:
Apr 14, 2025

Fran Saoco
articles - 9 total

Using and Mocking Angular Environments with Jest

In production-grade Angular applications, API URLs and other environment-specific properties are...

Learn More 4 0Apr 21

Testing Angular HTTP Services using Jest

The tests check if the HTTP service works correctly by: Making fake API calls (GET/POST) Returning...

Learn More 5 2Apr 18

Testing Angular Components with Services using Jest

Mock services in component tests to isolate behavior, control responses, and validate interactions...

Learn More 1 0Apr 18

Testing Angular Components with Inputs and Outputs using Jest

io.component.ts import { Component, EventEmitter, Input, Output } from...

Learn More 1 0Apr 17

Testing Angular Components with Children using Jest

parent-component.ts @Component({ selector: 'app-parent', template: ` <div> ...

Learn More 1 1Apr 17

Testing Angular simple Components using Jest

simple-component.ts @Component({ selector: 'simple-component', template: ` <button...

Learn More 2 0Apr 17

How to Set Up Jest in Angular 19 (Step-by-Step Guide)

1. Install the dependencies: npm install jest jest-preset-angular @types/jest...

Learn More 6 2Apr 17

Testing Angular with Jest

Unit tests verify small, isolated parts of your code like components, services, and pipes by testing...

Learn More 1 0Apr 17

Understanding RxJS Mapping Operators: concatMap, mergeMap, switchMap (with a Job Interview Analogy)

Are you learning RxJS, preparing for Angular job interviews, or struggling to understand the key...

Learn More 1 0Apr 14