jscs/test/test.disallow-spaces-inside-array-brackets.js

JavaScript Style Checker

var Checker = require('../lib/checker');
var assert = require('assert');

describe('rules/disallow-spaces-inside-array-brackets', function() {
    var checker;

    beforeEach(function() {
        checker = new Checker();
        checker.registerDefaultRules();
        checker.configure({ disallowSpacesInsideArrayBrackets: true });
    });

    describe('when braces on same line', function() {
        it('should report illegal space after opening brace', function() {
            assert(checker.checkString('var x = [ 1];').getErrorCount() === 1);
        });

        it('should report illegal space before closing brace', function() {
            assert(checker.checkString('var x = [1 ];').getErrorCount() === 1);
        });

        it('should report illegal space in both cases', function() {
            assert(checker.checkString('var x = [ 1, 2 ];').getErrorCount() === 2);
        });

        it('should not report with no spaces', function() {
            assert(checker.checkString('var x = [1, 2];').isEmpty());
        });
    });

    describe('when braces on different lines', function() {
        it('should not report with opening brace on previous line', function() {
            assert(checker.checkString(
                'var x = [\n' +
                '   1, 2]'
            ).isEmpty());
        });

        it('should not report with closing brace on new line', function() {
            assert(checker.checkString(
                'var x = [1, 2 \n' +
                '   ]'
            ).isEmpty());
        });

        it('should not report in both cases', function() {
            assert(checker.checkString(
                'var x = [\n' +
                '   1,\n' +
                '   2,\n' +
                ']'
            ).isEmpty());
        });
    });
});