September 2015
Intermediate to advanced
250 pages
6h 40m
English
Content preview from Pragmatic Scala
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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.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.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.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.
Using JUnit
Using JUnit to run tests written in Scala is really simple. Since Scala compiles to Java bytecode, you can write your tests in Scala, use scalac to compile your code into bytecode, and then run your tests like you normally run JUnit test cases. Remember to include the Scala library in your classpath. Let’s look at an example of writing a JUnit test in Scala:
| UnitTesting/UsingJUnit.scala | |
| | import java.util.ArrayList |
| | import org.junit.Test |
| | import org.junit.Assert._ |
| | |
| | class UsingJUnit { |
| | @Test |
| | def listAdd() { |
| | val list = new ArrayList[String] |
| | list.add("Milk") |
| | list add "Sugar" |
| | assertEquals(2, list.size) |
| | } |
| | } |
We imported java.util.AraryList and then org.junit.Test. We also included all the methods of ...
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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.