negation.js

'use strict';

var mm = require('minimatch');
var isWindows = require('is-windows');
var nm = require('./support/match');

describe('negation', function() {
  it('should negate files with extensions:', function() {
    nm(['.md'], '!.md', []);
    nm(['a.js', 'b.md', 'c.txt'], '!**/*.md', ['a.js', 'c.txt']);
    nm(['a.js', 'b.md', 'c.txt'], '!*.md', ['a.js', 'c.txt']);
    nm(['abc.md', 'abc.txt'], '!*.md', ['abc.txt']);
    nm(['foo.md'], '!*.md', []);
    nm(['foo.md'], '!.md', ['foo.md']);
  });

  it('should only treat leading exclamation as special', function() {
    nm(['foo!.md', 'bar.md'], 'foo!.md', ['foo!.md']);
    nm(['foo!.md', 'bar.md'], '*.md', ['foo!.md', 'bar.md']);
    nm(['foo!.md', 'bar.md'], '*!.md', ['foo!.md']);
    nm(['foobar.md'], '*b*.md', ['foobar.md']);
    nm(['foo!bar.md', 'foo!.md', '!foo!.md'], '*!*.md', ['foo!bar.md', 'foo!.md', '!foo!.md']);
    nm(['foo!bar.md', 'foo!.md', '!foo!.md'], '\\!*!*.md', ['!foo!.md']);
    nm(['foo!.md', 'ba!r.js'], '**/*!*.*', ['foo!.md', 'ba!r.js']);
  });

  it('should support negated globs ("*")', function() {
    nm(['a.js', 'b.txt', 'c.md'], '!*.md', ['a.js', 'b.txt']);
    nm(['a/a/a.js', 'a/b/a.js', 'a/c/a.js'], '!a/*/a.js', []);
    nm(['a/a/a/a.js', 'b/a/b/a.js', 'c/a/c/a.js'], '!a/*/*/a.js', ['b/a/b/a.js', 'c/a/c/a.js']);
    nm(['a/a.txt', 'a/b.txt', 'a/c.txt'], '!a/a*.txt', ['a/b.txt', 'a/c.txt']);
    nm(['a.a.txt', 'a.b.txt', 'a.c.txt'], '!a.a*.txt', ['a.b.txt', 'a.c.txt']);
    nm(['a/a.txt', 'a/b.txt', 'a/c.txt'], '!a/*.txt', []);
  });

  it('should support negated globstars ("**")', function() {
    nm(['a.js', 'b.txt', 'c.md'], '!*.md', ['a.js', 'b.txt']);
    nm(['a/a/a.js', 'a/b/a.js', 'a/c/a.js', 'a/a/b.js'], '!**/a.js', ['a/a/b.js']);
    nm(['a/a/a/a.js', 'b/a/b/a.js', 'c/a/c/a.js'], '!a/**/a.js', ['b/a/b/a.js', 'c/a/c/a.js']);
    nm(['a/a.txt', 'a/b.txt', 'a/c.txt'], '!a/b.txt', ['a/a.txt', 'a/c.txt']);
    nm(['a/b.js', 'a.js', 'a/b.md', 'a.md'], '!**/*.md', ['a/b.js', 'a.js']);
    nm(['a/b.js', 'a.js', 'a/b.md', 'a.md'], '**/*.md', ['a/b.md', 'a.md']);

    nm(['a/b.js'], '!**/*.md', ['a/b.js']);
    nm(['a.js'], '!**/*.md', ['a.js']);
    nm(['a/b.md'], '!**/*.md', []);
    nm(['a.md'], '!**/*.md', []);

    nm(['a/b.js'], '!*.md', ['a/b.js']);
    nm(['a.js'], '!*.md', ['a.js']);
    nm(['a/b.md'], '!*.md', ['a/b.md']);
    nm(['a.md'], '!*.md', []);

    nm(['a.js'], '!**/*.md', ['a.js']);
    nm(['b.md'], '!**/*.md', []);
    nm(['c.txt'], '!**/*.md', ['c.txt']);
  });

  it('should negate dotfiles:', function() {
    nm(['.dotfile.md'], '!*.md', {dot: true}, []);
    nm(['.dotfile.md'], '!*.md', ['.dotfile.md']);
    nm(['.dotfile.txt'], '!*.md', ['.dotfile.txt']);
    nm(['.dotfile.txt', 'a/b/.dotfile'], '!*.md', ['.dotfile.txt', 'a/b/.dotfile']);
    nm(['.gitignore', 'a', 'b'], '!.gitignore', ['a', 'b']);
  });

  it('should negate files in the immediate directory:', function() {
    nm(['a/b.js', 'a.js', 'a/b.md', 'a.md'], '!*.md', ['a/b.js', 'a.js', 'a/b.md']);
  });

  it('should support any number of leading exclamations', function() {
    nm(['d', 'e', '!ab', '!abc', 'a!b', '\\!a'], '!!a*', ['a!b']);
    nm(['d', 'e', '!ab', '!abc', 'a!b', '\\!a'], '!!!!a*', ['a!b']);
    nm(['d', 'e', '!ab', '!abc', 'a!b', '\\!a'], '!!!!!!a*', ['a!b']);
    if (!isWindows()) {
      nm(['d', 'e', '!ab', '!abc', 'a!b', '\\!a'], '!!!!!a*', ['d', 'e', '!ab', '!abc', '\\!a']);
      nm(['d', 'e', '!ab', '!abc', 'a!b', '\\!a'], '!a*', ['d', 'e', '!ab', '!abc', '\\!a']);
      nm(['d', 'e', '!ab', '!abc', 'a!b', '\\!a'], '!!!a*', ['d', 'e', '!ab', '!abc', '\\!a']);
    } else {
      nm(['d', 'e', '!ab', '!abc', 'a!b', '\\!a'], '!!!!!a*', ['d', 'e', '!ab', '!abc', '/!a']);
      nm(['d', 'e', '!ab', '!abc', 'a!b', '\\!a'], '!a*', ['d', 'e', '!ab', '!abc', '/!a']);
      nm(['d', 'e', '!ab', '!abc', 'a!b', '\\!a'], '!!!a*', ['d', 'e', '!ab', '!abc', '/!a']);
    }
  });

  it('should not give special meaning to non-leading exclamations', function() {
    nm(['a', 'aa', 'a/b', 'a!b', 'a!!b', 'a/!!/b'], 'a!!b', ['a!!b']);
  });

  it('should negate files in any directory:', function() {
    nm(['a/a.txt', 'a/b.txt', 'a/c.txt'], '!a/b.txt', ['a/a.txt', 'a/c.txt']);
  });
});