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codemirror.wikieditor.test.js
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codemirror.wikieditor.test.js
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mw.loader = { getState: jest.fn() };
const CodeMirrorWikiEditor = require( '../../resources/codemirror.wikieditor.js' ),
$textarea = $( '<textarea>' )
.text( 'The Smashing Pumpkins' ),
cmWe = new CodeMirrorWikiEditor( $textarea );
beforeEach( () => {
// Simulate the button that enables/disables CodeMirror as WikiEditor doesn't exist here.
const btn = document.createElement( 'span' );
btn.id = 'mw-editbutton-codemirror';
btn.classList.add( 'tool' );
btn.setAttribute( 'rel', 'CodeMirror' );
document.body.appendChild( btn );
// Add WikiEditor context to the textarea.
cmWe.$textarea.data = jest.fn().mockReturnValue( {
modules: {
toolbar: {
$toolbar: $( btn )
}
}
} );
// Initialize CodeMirror.
cmWe.initialize();
} );
describe( 'addCodeMirrorToWikiEditor', () => {
cmWe.$textarea.wikiEditor = jest.fn();
it( 'should add the button to the toolbar', () => {
cmWe.addCodeMirrorToWikiEditor();
expect( cmWe.$textarea.wikiEditor ).toHaveBeenCalledWith(
'addToToolbar',
expect.objectContaining( {
groups: { codemirror: expect.any( Object ) }
} )
);
} );
it( 'should be readonly when the textarea is also readonly', () => {
const textarea = document.createElement( 'textarea' );
textarea.readOnly = true;
const cmWe2 = new CodeMirrorWikiEditor( textarea );
cmWe2.initialize();
cmWe2.addCodeMirrorToWikiEditor();
expect( cmWe2.readOnly ).toEqual( true );
expect( cmWe2.state.readOnly ).toEqual( true );
} );
} );
describe( 'updateToolbarButton', () => {
it( 'should update the toolbar button based on the current CodeMirror state', () => {
const btn = document.getElementById( 'mw-editbutton-codemirror' );
cmWe.setCodeMirrorPreference( false );
cmWe.updateToolbarButton();
expect( btn.classList.contains( 'mw-editbutton-codemirror-active' ) ).toBeFalsy();
cmWe.setCodeMirrorPreference( true );
cmWe.updateToolbarButton();
expect( btn.classList.contains( 'mw-editbutton-codemirror-active' ) ).toBeTruthy();
} );
} );

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