import { createProgram, parseCommandLine } from './helpers/utils';
import { CliCommandDefinition, CliCommandHandler, CliParsedCommandHandler, CliProgramDefinition, ParsedCliCommand } from '../src';

describe('Process Environment Variables', () => {

    const buildCmdDef: CliCommandDefinition = {
        name: 'build',
        description: 'my description',
        env: {
            TEST_ENV_VAR: 'test env val'
        },
        arguments: [
            {
                name: 'src',
                description: 'Source file'
            },
            {
                name: 'dest',
                description: 'Desination File',
                isOptional: true,
                default: 'Default Value'
            },
        ],
        options: [
            {
                name: 'output',
                flag: '-o',
                description: 'output description',
            },
        ]
    };


    it('should set a process environment variable from vars defined in command definition', done => {

        const buildCmdHandler: CliCommandHandler = (args, options) => {
            expect(process.env.TEST_ENV_VAR).toEqual('test env val');
            done();
        }

        const def = createProgram('test1', buildCmdDef);
        def.commands[0].handler = buildCmdHandler;
        const p1 = parseCommandLine('build a b', def, '1.0.0');
        p1.run();

    })    



})