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codemirror.extensionRegistry.test.js
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codemirror.extensionRegistry.test.js
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/* eslint-disable-next-line n/no-missing-require */
const { Compartment, EditorState, EditorView, Prec } = require( 'ext.CodeMirror.v6.lib' );
const CodeMirrorExtensionRegistry = require( '../../resources/codemirror.extensionRegistry.js' );
describe( 'CodeMirrorExtensionRegistry', () => {
beforeEach( () => {
// Suppress console warning about missing compartment/extension.
jest.spyOn( console, 'warn' ).mockImplementation( () => {} );
} );
afterEach( jest.restoreAllMocks );
function getRegistry( extensions, isVisualEditor = false ) {
return new CodeMirrorExtensionRegistry( extensions, isVisualEditor );
}
it( 'constructor', () => {
const registry = getRegistry( {
bracketMatching: EditorView.theme(),
lineWrapping: EditorView.theme()
} );
expect( registry.compartments.bracketMatching ).toBeInstanceOf( Compartment );
expect( registry.compartments.lineWrapping ).toBeInstanceOf( Compartment );
} );
it( 'constructor (VisualEditor)', () => {
const registry = getRegistry( {
bracketMatching: EditorView.theme(),
codeFolding: EditorView.theme()
}, true );
expect( registry.compartments.bracketMatching ).toBeInstanceOf( Compartment );
expect( registry.compartments.codeFolding ).toBeUndefined();
} );
it( 'get', () => {
const bracketMatching = EditorView.theme();
const registry = getRegistry( { bracketMatching } );
expect( registry.get( 'bracketMatching' ).constructor.name ).toBe( 'CompartmentInstance' );
expect( registry.get( 'doesntExist' ) ).toBeUndefined();
} );
it( 'get (VisualEditor)', () => {
const registry = getRegistry( {
bracketMatching: EditorView.theme(),
codeFolding: EditorView.theme()
}, true );
expect( registry.get( 'bracketMatching' ).constructor.name ).toBe( 'CompartmentInstance' );
expect( registry.get( 'codeFolding' ) ).toBeUndefined();
} );
it( 'getCompartment', () => {
const registry = getRegistry( { bracketMatching: EditorView.theme() } );
expect( registry.getCompartment( 'bracketMatching' ) ).toBeInstanceOf( Compartment );
expect( registry.getCompartment( 'doesntExist' ) ).toBeUndefined();
} );
it( 'names', () => {
const registry = getRegistry( {
bracketMatching: EditorView.theme(),
lineWrapping: EditorView.theme()
} );
expect( registry.names ).toStrictEqual( [ 'bracketMatching', 'lineWrapping' ] );
} );
it( 'register / isRegistered', () => {
const registry = getRegistry( {} );
const extension = EditorView.theme();
const view = new EditorView();
expect( registry.isRegistered( 'bracketMatching', view ) ).toBeFalsy();
registry.register( 'bracketMatching', extension, view, true );
expect( registry.get( 'bracketMatching' ).constructor.name ).toBe( 'CompartmentInstance' );
expect( registry.get( 'bracketMatching' ).compartment.get( view.state ) ).toBe( extension );
expect( registry.isRegistered( 'bracketMatching', view ) ).toBeTruthy();
expect( registry.names ).toStrictEqual( [ 'bracketMatching' ] );
expect( registry.compartments.bracketMatching.get( view.state ) ).toBe( extension );
expect( registry.isEnabled( 'bracketMatching', view ) ).toBeTruthy();
// Re-register and assert it is not overwritten.
const extension2 = EditorView.theme();
registry.register( 'bracketMatching', extension2, view, true );
expect( registry.get( 'bracketMatching' ).compartment.get( view.state ) ).toBe( extension );
expect( registry.isEnabled( 'bracketMatching', view ) ).toBeTruthy();
expect( console.warn ).not.toHaveBeenCalled();
} );
it( 'reconfigure', () => {
const registry = getRegistry( {} );
const view = new EditorView();
registry.register( 'tabSize', EditorState.tabSize.of( 5 ), view, true );
expect( registry.isEnabled( 'tabSize', view ) ).toBeTruthy();
expect( registry.getCompartment( 'tabSize' ).get( view.state ).value ).toBe( 5 );
const newTabSize = EditorState.tabSize.of( 10 );
registry.reconfigure( 'tabSize', view, newTabSize );
expect( registry.isEnabled( 'tabSize', view ) ).toBeTruthy();
expect( registry.getCompartment( 'tabSize' ).get( view.state ).value ).toBe( 10 );
expect( console.warn ).not.toHaveBeenCalled();
} );
it( 'toggle', () => {
const registry = getRegistry( {} );
const bracketMatching = EditorView.theme();
const view = new EditorView();
registry.register( 'bracketMatching', bracketMatching, view, false );
expect( registry.isEnabled( 'bracketMatching', view ) ).toBeFalsy();
registry.toggle( 'bracketMatching', view );
expect( registry.isEnabled( 'bracketMatching', view ) ).toBeTruthy();
expect( registry.getCompartment( 'bracketMatching' ).get( view.state ) ).toBe( bracketMatching );
registry.toggle( 'bracketMatching', view, true );
expect( registry.isEnabled( 'bracketMatching', view ) ).toBeTruthy();
registry.toggle( 'bracketMatching', view );
expect( registry.isEnabled( 'bracketMatching', view ) ).toBeFalsy();
expect( console.warn ).not.toHaveBeenCalled();
// Attempt to enable an unknown extension.
registry.toggle( 'doesntExist', view, true );
expect( console.warn ).toHaveBeenCalledWith( '[CodeMirror] Extension "doesntExist" is not registered.' );
} );
it( 'isEnabled', () => {
const registry = getRegistry( {} );
const precExtension = Prec.high( EditorView.theme() );
const view = new EditorView();
registry.register( 'precExtension', precExtension, view, true );
expect( registry.isEnabled( 'precExtension', view ) ).toBeTruthy();
} );
} );

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