@lcap/nasl-parser/tests/semantics/string-interp.spec.ts

Take Nasl text to Nasl AST with the help of generalized parsing.

import { Parser, Grammar } from "nearley";
import grammar from "../../ts/nasl";
import { toNaslAST } from "../../ts/toAST/to-nasl-ast";


const testStrIntp =`
logic testStrIntp (  ) {
    let zmc = s" 123  \${xy - 1}   abc  ";
}`

describe('String interpolation AST', () => {
    test('String interpolation AST', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(testStrIntp);
        expect(parser.results.length).toBe(1);
        const nasl = toNaslAST(parser.results[0].nasl);
        expect(nasl.logics[0].variables[0].name).toBe('zmc');
        // @ts-ignore
        expect(nasl.logics[0].variables[0].defaultValue.expression.expressions.length).toBe(3);
        // @ts-ignore
        expect(nasl.logics[0].variables[0].defaultValue.expression.expressions[0].value).toBe(' 123  ');
        // @ts-ignore
        expect(nasl.logics[0].variables[0].defaultValue.expression.expressions[2].value).toBe('   abc  ');
    });
});