const test = require('ava');

const shell = require('..');
const utils = require('./utils/utils');

const oldConfigSilent = shell.config.silent;
const uncaughtErrorExitCode = 1;

test.beforeEach(t => {
  t.context.tmp = utils.getTempDir();
  shell.config.resetForTesting();
  shell.cp('-r', 'test/resources', t.context.tmp);
});

test.afterEach.always(t => {
  shell.rm('-rf', t.context.tmp);
});

//
// Valids
//

test('initial values', t => {
  t.false(oldConfigSilent);
  t.false(shell.config.verbose);
  t.false(shell.config.fatal);
  t.false(shell.config.noglob);
});

test('default behavior', t => {
  const result = shell.exec(JSON.stringify(shell.config.execPath) + ` -e "require('./global'); ls('file_doesnt_exist'); echo(1234);"`);
  t.is(result.code, 0);
  t.is(result.stdout, '1234\n');
  t.is(result.stderr, 'ls: no such file or directory: file_doesnt_exist\n');
});

test('set -e', t => {
  const result = shell.exec(JSON.stringify(shell.config.execPath) + ` -e "require('./global'); set('-e'); ls('file_doesnt_exist'); echo(1234);"`);
  t.is(result.code, uncaughtErrorExitCode);
  t.is(result.stdout, '');
  t.truthy(result.stderr.includes('Error: ls: no such file or directory: file_doesnt_exist'));
});

test('set -v', t => {
  const result = shell.exec(JSON.stringify(shell.config.execPath) + ` -e "require('./global'); set('-v'); ls('file_doesnt_exist'); echo(1234);"`);
  t.is(result.code, 0);
  t.is(result.stdout, '1234\n');
  t.is(
    result.stderr,
    'ls file_doesnt_exist\nls: no such file or directory: file_doesnt_exist\necho 1234\n'
  );
});

test('set -ev', t => {
  const result = shell.exec(JSON.stringify(shell.config.execPath) + ` -e "require('./global'); set('-ev'); ls('file_doesnt_exist'); echo(1234);"`);
  t.is(result.code, uncaughtErrorExitCode);
  t.is(result.stdout, '');
  t.truthy(result.stderr.includes('Error: ls: no such file or directory: file_doesnt_exist'));
  t.truthy(result.stderr.includes('ls file_doesnt_exist\n'));
  t.falsy(result.stderr.includes('echo 1234\n'));
});

test('set -e, set +e', t => {
  const result = shell.exec(JSON.stringify(shell.config.execPath) + ` -e "require('./global'); set('-e'); set('+e'); ls('file_doesnt_exist'); echo(1234);"`);
  t.is(result.code, 0);
  t.is(result.stdout, '1234\n');
  t.is(result.stderr, 'ls: no such file or directory: file_doesnt_exist\n');
});

test('set -f', t => {
  shell.set('-f'); // disable globbing
  shell.rm(`${t.context.tmp}/*.txt`);
  t.truthy(shell.error()); // file '*.txt' doesn't exist, so rm() fails
  shell.set('+f');
  shell.rm(`${t.context.tmp}/*.txt`);
  t.falsy(shell.error()); // globbing works, so rm succeeds
});