Additional Globals
Explore how to use Jest's additional globals to write more efficient and organized unit tests. Understand functions like describe.each, test.concurrent, and test.failing to handle multiple datasets, run tests selectively or concurrently, and manage expected failures. This lesson helps you optimize your testing workflow by leveraging Jest's built-in tools for flexible test control.
We'll cover the following...
Looking deeper into Jest globals
To help with writing and running our tests efficiently, Jest provides several additional globals that we can use. These globals allow us to do things like iterate over test cases and run only the test we are working on.
Additional functionality of describe
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describe.each(table)(name, fn, timeout)
helps to abstract repetitive testing logic that just needs to be run with multiple data sets. Thetableargument is an array of arrays representing the...