March 2015
Intermediate to advanced
236 pages
5h 26m
English
Content preview from Pragmatic Unit Testing in Java 8 with JUnit
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[Right]-BICEP: Are the Results Right?
Your tests should first and foremost validate that the code produces expected results. The arithmetic-mean test in Chapter 1, Building Your First JUnit Test demonstrates that the ScoreCollection class produces the correct mean of 6 given the numbers 5 and 7. We show it again here.
| iloveyouboss/13/test/iloveyouboss/ScoreCollectionTest.java | |
| | @Test |
| | public void answersArithmeticMeanOfTwoNumbers() { |
| | ScoreCollection collection = new ScoreCollection(); |
| | collection.add(() -> 5); |
| | collection.add(() -> 7); |
| | |
| | int actualResult = collection.arithmeticMean(); |
| | |
| | assertThat(actualResult, equalTo(6)); |
| | } |
You might bolster such a test by adding more numbers to ScoreCollection or by trying larger numeric ...
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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.