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validate-newline-after-array-elements.js
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validate-newline-after-array-elements.js
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var Checker = require('../../../lib/checker');
var expect = require('chai').expect;
var reportAndFix = require('../../lib/assertHelpers').reportAndFix;
describe('rules/validate-newline-after-array-elements', function() {
var checker;
beforeEach(function() {
checker = new Checker();
checker.registerDefaultRules();
});
describe('{ maximum: true }', function() {
it('should throws', function() {
expect(function() {
checker.configure({ validateNewlineAfterArrayElements: { maximum: true } });
}).to.throw();
});
});
describe('true option', function() {
var rules = { validateNewlineAfterArrayElements: true };
beforeEach(function() {
checker.configure(rules);
});
reportAndFix({
name: 'should report for multi-line-line array with many elements',
rules: rules,
errors: 2,
input: 'var x = [\n 1, 2, 3\n];',
output: 'var x = [\n 1,\n 2,\n 3\n];'
});
reportAndFix({
name: 'should report for multi-line array with many elements and one item on the first line',
rules: rules,
errors: 1,
input: 'var x = [0,\n' +
'1,\n' +
'2,\n' +
'3\n' +
'];\n',
output: 'var x = [\n' +
'0,\n' +
'1,\n' +
'2,\n' +
'3\n' +
'];\n'
});
reportAndFix({
name: 'should report for multi-line array with many elements and one item on the last line',
rules: rules,
errors: 1,
input: 'var x = [\n' +
'1,\n' +
'2,\n' +
'3,\n' +
'4];\n',
output: 'var x = [\n' +
'1,\n' +
'2,\n' +
'3,\n' +
'4\n' +
'];\n'
});
reportAndFix({
name: 'should report for multi-line array with many elements on each line',
rules: rules,
errors: 3,
input: 'var x = [\n' +
'1, 1,\n' +
'2, 2,\n' +
'3, 3\n' +
'];\n',
output: 'var x = [\n' +
'1,\n' +
' 1,\n' +
'2,\n' +
' 2,\n' +
'3,\n' +
' 3\n' +
'];\n'
});
it('should not report for empty array', function() {
expect(checker.checkString('var x = [];')).to.have.no.errors();
});
it('should not report for single-line array with 1 item', function() {
expect(checker.checkString('var x = [1];')).to.have.no.errors();
expect(checker.checkString('var x = [{}];')).to.have.no.errors();
});
it('should not report for single-line array with many elements', function() {
expect(checker.checkString('var x = [1, 2];')).to.have.no.errors();
expect(checker.checkString('var x = [1, 2, 3];')).to.have.no.errors();
});
it('should not report for multi-line array without elements', function() {
expect(checker.checkString(
'var x = [\n' +
'1\n' +
'];\n'
)).to.have.no.errors();
});
it('should not report for multi-line array with many elements', function() {
expect(checker.checkString(
'var x = [\n' +
'1,\n' +
'2,\n' +
'3\n' +
'];\n'
)).to.have.no.errors();
});
it('should not report for one-line array with many holes', function() {
expect(checker.checkString(
'var x = [\n' +
',\n' +
'1,\n' +
',\n' +
'];\n'
)).to.have.no.errors();
});
});
describe('with value 3', function() {
var rules = { validateNewlineAfterArrayElements: 3 };
beforeEach(function() {
checker.configure(rules);
});
it('should not report for one-line array with 3 elements', function() {
expect(checker.checkString(
'var x = [1, 2, 3];'
)).to.have.no.errors();
});
reportAndFix({
name: 'should report for multi-line array with 3 elements',
rules: rules,
errors: 1,
input: 'var x = [\n' +
' 1, 2\n' +
'];',
output: 'var x = [\n' +
' 1,\n' +
' 2\n' +
'];'
});
});
describe('maximum 3', function() {
var rules = { validateNewlineAfterArrayElements: { maximum: 3 } };
beforeEach(function() {
checker.configure(rules);
});
reportAndFix({
name: 'should report for multi-line array with 3 elements',
rules: rules,
errors: 1,
input: 'var x = [\n' +
' 1, 2\n' +
'];',
output: 'var x = [\n' +
' 1,\n' +
' 2\n' +
'];'
});
it('should not report for one-line array with 3 elements', function() {
expect(checker.checkString(
'var x = [1, 2, 3];'
)).to.have.no.errors();
});
});
describe('maximum 2, ignoreBrackets true', function() {
var rules = { validateNewlineAfterArrayElements: { maximum: 2, ignoreBrackets: true } };
beforeEach(function() {
checker.configure(rules);
});
reportAndFix({
name: 'should report for one-line array with 3 elements',
rules: rules,
errors: 2,
input: 'var x = [1, 2, 3];',
output: 'var x = [1,\n' +
' 2,\n' +
' 3];'
});
reportAndFix({
name: 'should report for multi-line array with 3 elements',
rules: rules,
errors: 2,
input: 'var x = [0,\n' +
' 1, 2, 3,\n' +
'4];',
output: 'var x = [0,\n' +
' 1,\n' +
' 2,\n' +
' 3,\n' +
'4];'
});
it('should not report for multi-line array with elements on 2 lines', function() {
expect(checker.checkString(
'var x = [0,\n' +
'1,\n' +
'2,];\n'
)).to.have.no.errors();
});
});
describe('ignoreBrackets true', function() {
var rules = { validateNewlineAfterArrayElements: { ignoreBrackets: true } };
beforeEach(function() {
checker.configure(rules);
});
reportAndFix({
name: 'should report for multi-line array with 3 elements',
rules: rules,
errors: 2,
input: 'var x = [0,\n' +
' 1, 2, 3,\n' +
'4];',
output: 'var x = [0,\n' +
' 1,\n' +
' 2,\n' +
' 3,\n' +
'4];'
});
it('should not report for one-line array with 3 elements', function() {
expect(checker.checkString(
'var x = [1, 2, 3];'
)).to.have.no.errors();
});
it('should not report for multi-line array with elements on 2 lines', function() {
expect(checker.checkString(
'var x = [0,\n' +
'1,\n' +
'2,];\n'
)).to.have.no.errors();
});
});
});