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fixup: add tests
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targos committed Jun 20, 2021
1 parent 3d97be2 commit 7b5e965
Showing 1 changed file with 39 additions and 0 deletions.
39 changes: 39 additions & 0 deletions test/parallel/test-cli-options-negation.js
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'use strict';
require('../common');
const assert = require('assert');
const { spawnSync } = require('child_process');

// --warnings is on by default.
assertHasWarning(spawnWithFlags([]));

// --warnings can be passed alone.
assertHasWarning(spawnWithFlags(['--warnings']));

// --no-warnings can be passed alone.
assertHasNoWarning(spawnWithFlags(['--no-warnings']));

// Last flag takes precedence.
assertHasWarning(spawnWithFlags(['--no-warnings', '--warnings']));

// Non-boolean flags cannot be negated.
assert(spawnWithFlags(['--no-max-http-header-size']).stderr.toString().includes(
'--no-max-http-header-size is an invalid negation because it is not ' +
'a boolean option',
));

// Inexistant flags cannot be negated.
assert(spawnWithFlags(['--no-i-dont-exist']).stderr.toString().includes(
'bad option: --no-i-dont-exist',
));

function spawnWithFlags(flags) {
return spawnSync(process.execPath, [...flags, '-e', 'new Buffer(0)']);
}

function assertHasWarning(proc) {
assert(proc.stderr.toString().includes('Buffer() is deprecated'));
}

function assertHasNoWarning(proc) {
assert(!proc.stderr.toString().includes('Buffer() is deprecated'));
}

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