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require-aligned-multiline-params.js
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require-aligned-multiline-params.js
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var Checker = require('../../../lib/checker');
var expect = require('chai').expect;
describe('rules/require-aligned-multiline-params', function() {
var checker;
var option;
function rules() {
return { 'requireAlignedMultilineParams': option };
}
describe('when we pass invalid config options', function() {
beforeEach(function() {
checker = new Checker();
checker.registerDefaultRules();
});
it('should error when an invalid string is passed as the config option', function() {
expect(function() {
checker.configure({ 'requireAlignedMultilineParams': 'invalid' });
}).to.throw();
});
it('should error when an object is passed as the config option', function() {
expect(function() {
checker.configure({ 'requireAlignedMultilineParams': {} });
}).to.throw();
});
});
describe('when we pass true as the config option', function() {
beforeEach(function() {
checker = new Checker();
checker.registerDefaultRules();
option = true;
checker.configure(rules());
});
it('should validate a function with no params properly', function() {
var noParamFunction = 'var noParamFunction = function() { \n' +
' return;\n' +
'};';
expect(checker.checkString(noParamFunction)).to.have.no.errors();
});
it('should validate a function with a single line of params properly', function() {
var singleLineFunction = 'var singleLineFunction = function(a, b, c) { \n' +
' console.log(a + b + c);\n' +
'};';
expect(checker.checkString(singleLineFunction)).to.have.no.errors();
});
it('should validate a function with aligned params properly', function() {
var unalignedFunction = 'var alignedFunction = function(a,\n' +
' b, c,\n' +
' d, e) {\n' +
' console.log(a + b + c + d + e);\n' +
'};';
expect(checker.checkString(unalignedFunction)).to.have.no.errors();
});
it('should validate a function with one unaligned param properly', function() {
var unalignedFunction = 'var unalignedFunction = function(a,\n' +
' b, c,\n' +
' d, e) {\n' +
' console.log(a + b + c + d + e);\n' +
'};';
expect(checker.checkString(unalignedFunction)).to.have.one.validation.error.from(
'requireAlignedMultilineParams');
});
it('should validate a function with two unaligned params properly', function() {
var unalignedFunction = 'var unalignedFunction = function(a,\n' +
' b, c,\n' +
' d, e) {\n' +
' console.log(a + b + c + d + e);\n' +
'};';
expect(checker.checkString(unalignedFunction)).to.have.error.count.equal(2);
});
});
describe('when we pass a number as the config option', function() {
beforeEach(function() {
checker = new Checker();
checker.registerDefaultRules();
option = 2;
checker.configure(rules());
});
it('should validate a function with no params properly', function() {
var noParamFunction = 'var noParamFunction = function() { \n' +
' return;\n' +
'};';
expect(checker.checkString(noParamFunction)).to.have.no.errors();
});
it('should validate a function with a single line of params properly', function() {
var singleLineFunction = 'var singleLineFunction = function(a, b, c) { \n' +
' console.log(a + b + c);\n' +
'};';
expect(checker.checkString(singleLineFunction)).to.have.no.errors();
});
it('should validate a function with aligned params properly', function() {
var unalignedFunction = 'var alignedFunction = function(a,\n' +
' b, c,\n' +
' d, e) {\n' +
' console.log(a + b + c + d + e);\n' +
'};';
expect(checker.checkString(unalignedFunction)).to.have.no.errors();
});
it('should validate a function with one unaligned param properly', function() {
var unalignedFunction = 'var unalignedFunction = function(a,\n' +
' b, c,\n' +
' d, e) {\n' +
' console.log(a + b + c + d + e);\n' +
'};';
expect(checker.checkString(unalignedFunction)).to.have.one.validation.error.from(
'requireAlignedMultilineParams');
});
it('should validate a function with two unaligned params properly', function() {
var unalignedFunction = 'var unalignedFunction = function(a,\n' +
' b, c,\n' +
' d, e) {\n' +
' console.log(a + b + c + d + e);\n' +
'};';
expect(checker.checkString(unalignedFunction)).to.have.error.count.equal(2);
});
});
describe('when we pass "firstParam" as the config option', function() {
beforeEach(function() {
checker = new Checker();
checker.registerDefaultRules();
option = 'firstParam';
checker.configure(rules());
});
it('should validate a function with no params properly', function() {
var noParamFunction = 'var noParamFunction = function() { \n' +
' return;\n' +
'};';
expect(checker.checkString(noParamFunction)).to.have.no.errors();
});
it('should validate a function with a single line of params properly', function() {
var singleLineFunction = 'var singleLineFunction = function(a, b, c) { \n' +
' console.log(a + b + c);\n' +
'};';
expect(checker.checkString(singleLineFunction)).to.have.no.errors();
});
it('should validate a function with aligned params properly', function() {
var unalignedFunction = 'var alignedFunction = function(a,\n' +
' b, c,\n' +
' d, e) {\n' +
' console.log(a + b + c + d + e);\n' +
'};';
expect(checker.checkString(unalignedFunction)).to.have.no.errors();
});
it('should validate a function with one unaligned param properly', function() {
var unalignedFunction = 'var unalignedFunction = function(a,\n' +
' b, c,\n' +
' d, e) {\n' +
' console.log(a + b + c + d + e);\n' +
'};';
expect(checker.checkString(unalignedFunction)).to.have.one.validation.error.from(
'requireAlignedMultilineParams');
});
it('should validate a function with two unaligned params properly', function() {
var unalignedFunction = 'var unalignedFunction = function(a,\n' +
' b, c,\n' +
' d, e) {\n' +
' console.log(a + b + c + d + e);\n' +
'};';
expect(checker.checkString(unalignedFunction)).to.have.error.count.equal(2);
});
});
});