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The browser env exposed the HTML*Element constructors but not the classes above them, so a library checking `instanceof Element` (as react-tooltip does on every hover) threw "Element is not defined". Node, Element, Document, DocumentFragment, Text, ShadowRoot and SVGElement now come from JSDOM. expect().toContain and .not.toContain were stubs. A string contains a substring; any other iterable contains the item itself, not a deep-equal copy, as in jest.
@pezkuwi/dev-test
This is a very basic Jest-compatible environment that could be used alongside tests. The need for this came from replacing Jest with node --test without rewriting all assertions.
It provides the following -
- Browser
window,document,navigator(see usage for browser-specific path) jestfunctions, specificallyspyOn(not comprehensive, some will error, some witll noop)expectfunctions (not comprehensive, caters for specific pezkuwi-js usage)
Usage
On thing to note is that node:test is still rapidly evolving - this includes the APIs and features. As such this requires at least Node 18.14, however 18.15+ is recommended.
The entry points are different based on the environment you would like to operate in. For a browser-like environment,
node --require @pezkuwi/dev-test/browser ...
or for a basic describe/expect/jest-only global environment
node --require @pezkuwi/dev-test/node ...
The ... above indicates any additional Node options, for instance a full command could be -
node --require @pezkuwi/dev-test/node --test something.test.js