October 2024
Intermediate to advanced
270 pages
8h 13m
Spanish
Content preview from 97 cosas que todo programador Java debe saber
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Capítulo 88. Utilizar la cobertura para mejorar tus pruebas unitarias
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Emily Bache
Medir la cobertura de tus pruebas es más fácil que nunca. En un IDE moderno, el botón para ejecutar tus pruebas con cobertura está justo al lado de los de ejecutarlas o depurarlas. Los resultados de la cobertura se presentan clase por clase con pequeños gráficos, así como las líneas relevantes resaltadas en color en el código fuente.
Los datos de cobertura son fáciles de conseguir. Pero, ¿cuál es la mejor forma de utilizarlos?
Cuando escribes código nuevo
La mayoría de la gente está de acuerdo en que debes entregar pruebas unitarias junto con todo el código que escribas. Puedes discutir sobre en qué orden hacer las cosas, pero en mi experiencia, lo que mejor funciona son los bucles cortos de retroalimentación. Escribe un poco de código de prueba, escribe un poco de código de producción, y construye la funcionalidad junto con las pruebas. Cuando trabajo así, de vez en cuando ejecuto las pruebas con cobertura como seguro adicional de que no me he olvidado de probar algún código nuevo que acabo de escribir.
El principal peligro aquí es que te sientas muy satisfecho con un número de cobertura alto y no te des cuenta de que te falta tanto código como pruebas para una parte crucial de la ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.