SVG elements fail on most matchers

[jgoz]

• jest-dom version: 1.5.1

• node version: 8.11.3

• npm (or yarn) version: yarn 1.7.0

• dom-testing-library version: 2.7.0

• react-testing-library version: 4.1.2

Relevant code or config:

expect(someSvgElement).toHaveClass("any-class");

What you did:

• Make expect calls on SVG elements

What happened:

Exception thrown because they are not HTML elements.

Problem description:

Most assertions defined in this library would also be applicable to SVG elements, but they are being blocked unnecessarily.

Suggested solution:

Modify checkHtmlElement to allow elements that satisfy instanceof SVGElement.

I'm happy to open a PR if no one opposes.

[kentcdodds]

Sounds great! Thank you!

[gnapse]

🎉 This issue has been resolved in version 1.5.2 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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