@krassowski/jupyterlab-lsp/lib/transclusions/ipython/extractors.spec.js

Language Server Protocol integration for JupyterLab

import { expect } from 'chai';
import { extract_code, get_the_only_virtual } from '../../extractors/testutils';
import { BrowserConsole } from '../../virtual/console';
import { VirtualDocument } from '../../virtual/document';
import { foreign_code_extractors } from './extractors';
describe('IPython extractors', () => {
    let document;
    function extract(code) {
        return extract_code(document, code);
    }
    beforeEach(() => {
        document = new VirtualDocument({
            language: 'python',
            path: 'test.ipynb',
            overrides_registry: {},
            foreign_code_extractors: foreign_code_extractors,
            standalone: false,
            file_extension: 'py',
            has_lsp_supported_file: false,
            console: new BrowserConsole()
        });
    });
    afterEach(() => {
        document.clear();
    });
    describe('handles %%python cell magic', () => {
        it('extracts simple commands', () => {
            let code = '%%python\nsys.exit()';
            let { cell_code_kept, foreign_document_map } = extract(code);
            expect(cell_code_kept).to.equal(code);
            let python_document = get_the_only_virtual(foreign_document_map);
            expect(python_document.language).to.equal('python');
            expect(python_document.value).to.equal('sys.exit()\n');
        });
    });
    describe('handles %%html cell magic', () => {
        it('works with html in normal mode', () => {
            let code = '%%html\n<div>safe</div>';
            let { foreign_document_map } = extract(code);
            let html_document = get_the_only_virtual(foreign_document_map);
            expect(html_document.language).to.equal('html');
            expect(html_document.value).to.equal('<div>safe</div>\n');
        });
        it('works with html in isolated mode', () => {
            let code = '%%html --isolated\n<div>dangerous</div>';
            let { foreign_document_map } = extract(code);
            let html_document = get_the_only_virtual(foreign_document_map);
            expect(html_document.language).to.equal('html');
            expect(html_document.value).to.equal('<div>dangerous</div>\n');
        });
    });
});
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