rung-tools / rung-cli

import { expect } from 'chai';

import intercept from 'intercept-stdout';

import { IO, resolveValue, triggerWarnings } from '../src/input';

import { String as Text } from '../src/types';

import { compileES6 } from '../src/compiler';

describe('input.js', () => {

    describe('Value parsing', () => {

        it('should get a simple string', () => {

            const value = resolveValue('test', Text, null, true);

            expect(value).to.equals('test');

        });

        it('should return null for a required string', () => {

            const value = resolveValue('', Text, null, true);

            expect(value).to.be.null;

        });

        it('should accept the default value of a string', () => {

            const value = resolveValue('', Text, 'alaska', false);

            expect(value).to.equals('alaska');

        });

    });

    describe('Warnings', () => {

        it('should trigger a warning when has named parameter language', () => {

            let result = '';

            const stopReading = intercept(text => result += text);

            const io = IO();

            triggerWarnings(io, { language: {} })

                .then(() => {

                    stopReading();

                    expect(result).to.match(/Warning: don't use context.params.language/);

                });

        });

    });

});