Pragmatic Unit Testing in Java 8 with JUnit

Test Smell: Irrelevant Details in Test

Although we want to turn off logging when tests run, the code to do so is a distraction to understanding the essence of any test. And though as good coding citizens we should always close streams, doing so is also a distraction.

Move these bits of clutter to @Before and @After methods. To allow both tests to take advantage of the stream.close() in the @After method, change the second test to reference the stream field instead of the local variable named inputStream.

We also ponder the line that reads:

That assertion isn’t an irrelevant detail; it’s a valid assertion. We might consider that it’s a second postcondition of running a search, but it hints at something else: ...