Chapter 13Testing with Databases
About This Chapter
In Chapter 12, Organizing Our Tests, we looked at techniques for organizing our test code. In this chapter, we explore the issues that arise when our application includes a database. Applications with databases present some special challenges when writing automated tests. Databases are much slower than the processors used in modern computers. As a result, tests that interact with databases tend to run much, much more slowly than tests that can run entirely in memory.
Even ignoring the potential for Slow Tests (page 253), databases are a ripe source for many test smells in our automated test suites. Some of these smells are a direct consequence of the persistent nature of the database, while ...