Tests as docs? 🤔
Tests can serve as documentation. But the default `mix test` command doesn't print them out in a way that has clear information. Thankfully, there are two flags that can make it really nice.
ex-unit 🏷️
ExUnit's --seed surprising behavior! 😲
If I asked you what ExUnit’s `--seed` option does, you'd probably say 'randomize the order of tests', right? And that's right. But it turns out it does more!
Easy, Concurrent Temp Dirs with ExUnit ✅
What do you do when you want a temp directory in your tests? ExUnit's got your back with one simple trick!
Elixir 1.16 running multiple tests with line numbers! ✅
Prior to Elixir 1.16 we couldn't run multiple test files with their line numbers. With Elixir 1.16, we can!
ExUnit. It's an app!
I imagine many think ExUnit just does some type of scripting to run tests. But it’s a full Elixir app! Check it out.
Using ExUnit's test context for unique values
Sometimes we need unique values in our tests. There's a nice ExUnit trick we can use.
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