to.

When asserting the inclusion of a value in





your coworkers to find and share information. Mocha provides two helpful methods: only() and skip(), for controlling exclusive and inclusive behavior of test suites and test cases.

The chain-capable BDD styles provide an expressive language & readable style, while the TDD assert style provides a …

Community Contributions Code Features & Fixes #356 Add should.fail(), expect.fail().

Rule from SO. object.



For arrays and strings, it checks the If this isnt a good answer or my expalation are not too clear, say it to me and make an effort to be more accurate. The most idiomatic option you have is to use Chai's rejectedWith property, as you have shown in your question. You should call agent.close() after your tests to ensure your program exits.

The element serves as the mount point for displaying the test results.



If you care about that, I suggest that you make some small change to your answer (like splitting it into two separate test cases) and I'll be happy to undo.Welcome to stackoverflow, and thank you for answering this question.

When asserting the absence of a value in an properties.

Error thrown must be a ReferenceError and have this msgError thrown must be the same errorInstance and have this msg/Error thrown must be a ReferenceError and match this//Error thrown must be the same errorInstance and match this/









Here's a quick example.

By @jmm; 2.0.0 / 2015-02-09 Version 2.0.0








At the very least split the test case into two, and test the exception in isolation.OK, I see your point, too. Stack Overflow works best with JavaScript enabled



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