noCatchErrorInEffectChainRule.spec.ts

import { tsquery } from '@phenomnomnominal/tsquery';
import { expect } from 'chai';

import { Rule } from './noCatchErrorInEffectChainRule';

describe('noCatchErrorInEffectChainRule', () => {
    it('should create a lint error if "catchError()" is in an Effect chain', () => {
        const sourceFile = tsquery.ast(`
            export class MyEffects {
                @Effect()
                public myEffect = something.observable$.pipe(
                    catchError(() => {})                
                );
            };
        `);

        const errors = Rule.prototype.apply(sourceFile);
        const [error] = errors;

        expect(errors.length).to.equal(1);
        expect(error.getFailure()).to.include(`Using "catchError" in an @Effect() chain can`);
    });
});