tape/test/no_only.js

'use strict';

var tap = require('tap');
var path = require('path');
var exec = require('child_process').exec;

var stripFullStack = require('./common').stripFullStack;

var tapeBin = path.join(__dirname, '../bin/tape');

var expectedExitCodeFailure = (/^0\.10\.\d+$/).test(process.versions.node);
var expectedStackTraceBug = (/^3\.[012]\.\d+$/).test(process.versions.node); // https://github.com/nodejs/node/issues/2581

tap.test(
    'Should throw error when --no-only is passed via cli and there is a .only test',
    { todo: expectedExitCodeFailure || expectedStackTraceBug ? 'Fails on these node versions' : false },
    function (tt) {
        tt.plan(3);

        exec(tapeBin + ' --no-only "**/*.js"', {
            cwd: path.join(__dirname, 'no_only')
        }, function (err, stdout, stderr) {
            tt.same(stdout.toString('utf8'), '');
            tt.match(stripFullStack(stderr.toString('utf8')).join('\n'), /Error: `only` tests are prohibited\n/);
            tt.equal(err.code, 1);
        });
    }
);

tap.test(
    'Should throw error when NODE_TAPE_NO_ONLY_TEST is passed via envs and there is an .only test',
    { todo: expectedExitCodeFailure || expectedStackTraceBug ? 'Fails on these node versions' : false },
    function (tt) {
        tt.plan(3);

        exec(tapeBin + ' "**/*.js"', {
            cwd: path.join(__dirname, 'no_only'),
            env: { PATH: process.env.PATH, NODE_TAPE_NO_ONLY_TEST: 'true' }
        }, function (err, stdout, stderr) {
            tt.same(stdout.toString('utf8'), '');
            tt.match(stripFullStack(stderr.toString('utf8')).join('\n'), /Error: `only` tests are prohibited\n/);
            tt.equal(err.code, 1);
        });
    }
);

tap.test(
    'Should override NODE_TAPE_NO_ONLY_TEST env if --no-only is passed from cli',
    { todo: expectedExitCodeFailure || expectedStackTraceBug ? 'Fails on these node versions' : false },
    function (tt) {
        tt.plan(3);

        exec(tapeBin + ' --no-only "**/*.js"', {
            cwd: path.join(__dirname, 'no_only'),
            env: { PATH: process.env.PATH, NODE_TAPE_NO_ONLY_TEST: 'false' }
        }, function (err, stdout, stderr) {
            tt.same(stdout.toString('utf8'), '');
            tt.match(stripFullStack(stderr.toString('utf8')).join('\n'), /Error: `only` tests are prohibited\n/);
            tt.equal(err.code, 1);
        });
    }
);

tap.test('Should run successfully if there is no only test', function (tt) {
    tt.plan(3);

    exec(tapeBin + ' --no-only "**/test-a.js"', {
        cwd: path.join(__dirname, 'no_only')
    }, function (err, stdout, stderr) {
        tt.match(stderr.toString('utf8'), /^\s*(\(node:\d+\) ExperimentalWarning: The ESM module loader is experimental\.)?\s*$/);
        tt.same(stripFullStack(stdout.toString('utf8')), [
            'TAP version 13',
            '# should pass',
            'ok 1 should be truthy',
            '',
            '1..1',
            '# tests 1',
            '# pass  1',
            '',
            '# ok',
            '',
            ''
        ]);
        tt.equal(err, null); // code 0
    });
});

tap.test('Should run successfully if there is an only test and no --no-only flag', function (tt) {
    tt.plan(3);

    exec(tapeBin + ' "**/test-b.js"', {
        cwd: path.join(__dirname, 'no_only')
    }, function (err, stdout, stderr) {
        tt.same(stripFullStack(stdout.toString('utf8')), [
            'TAP version 13',
            '# should pass again',
            'ok 1 should be truthy',
            '',
            '1..1',
            '# tests 1',
            '# pass  1',
            '',
            '# ok',
            '',
            ''
        ]);
        tt.match(stderr.toString('utf8'), /^\s*(\(node:\d+\) ExperimentalWarning: The ESM module loader is experimental\.)?\s*$/);
        tt.equal(err, null); // code 0
    });
});