features.test.js
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features.test.js
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	const features = require( '../../../resources/skins.vector.js/features.js' );

	describe( 'features', () => {
	beforeEach( () => {
	document.documentElement.setAttribute( 'class', 'vector-feature-foo-disabled vector-feature-bar-enabled hello' );
	} );

	test( 'toggle', () => {
	features.toggle( 'foo' );
	features.toggle( 'bar' );

	expect(
	document.documentElement.classList.contains( 'vector-feature-foo-enabled' )
	).toBe( true );
	expect(
	document.documentElement.classList.contains( 'vector-feature-foo-disabled' )
	).toBe( false );
	expect(
	document.documentElement.classList.contains( 'vector-feature-bar-disabled' )
	).toBe( true );
	expect(
	document.documentElement.classList.contains( 'vector-feature-bar-enabled' )
	).toBe( false );
	expect(
	document.documentElement.classList.contains( 'hello' )
	).toBe( true );
	} );

	test( 'toggle unknown feature', () => {
	expect( () => {
	features.toggle( 'unknown' );
	} ).toThrow();
	} );
	} );