import test from 'ava';

import proxyquire from 'proxyquire';

import {getTagVersionPrefix} from '../source/util';

test('get tag prefix', async t => {

t.is(await getTagVersionPrefix({yarn: false}), 'v');

t.is(await getTagVersionPrefix({yarn: true}), 'v');

});

test('no options passed', async t => {

await t.throwsAsync(getTagVersionPrefix(), {message: 'Expected `options` to be of type `object` but received type `undefined`'});

await t.throwsAsync(getTagVersionPrefix({}), {message: 'Expected object `options` to have keys `["yarn"]`'});

});

test.serial('defaults to "v" when command fails', async t => {

proxyquire('../source/util', {execa: Promise.reject});

t.is(await getTagVersionPrefix({yarn: true}), 'v');

});