Files
liquidjs/test/util/error.js
T

323 lines
13 KiB
JavaScript

const chai = require("chai");
const expect = chai.expect;
const mock = require('mock-fs');
chai.use(require("chai-as-promised"));
var engine = require('../..')();
var strictEngine = require('../..')({
strict_variables: true,
strict_filters: true
});
describe('error', function() {
describe('TokenizationError', function() {
it('should throw TokenizationError when tag illegal', function() {
return expect(engine.parseAndRender('{% . a %}', {})).to.eventually
.be.rejected
.then(function(err) {
expect(err.name).to.equal('TokenizationError');
expect(err.message).to.contain('illegal tag syntax');
});
});
it('should contain template content in err.message', function() {
var html = ['1st', '2nd', 'X{% . a %} Y', '4th'];
var message = [
'illegal tag syntax',
' 1| 1st',
' 2| 2nd',
'>> 3| X{% . a %} Y',
' 4| 4th'
];
return expect(engine.parseAndRender(html.join('\n'))).to.eventually
.be.rejected
.then(function(err) {
expect(err.message).to.equal(message.join('\n'));
expect(err.name).to.equal('TokenizationError');
});
});
it('should contain the whole template content in err.input', function() {
var html = 'bar\nfoo{% . a %}\nfoo';
return expect(engine.parseAndRender(html)).to.eventually
.be.rejected
.then(function(err) {
expect(err.input).to.equal(html);
});
});
it('should contain line number in err.line', function() {
return expect(engine.parseAndRender('1\n2\n{% . a %}\n4', {})).to.eventually
.be.rejected
.then(function(err) {
expect(err.name).to.equal('TokenizationError');
expect(err.line).to.equal(3);
});
});
it('should contain stack in err.stack', function() {
return expect(engine.parseAndRender('{% . a %}')).to.eventually
.be.rejected
.then(function(err) {
expect(err.stack).to.contain('illegal tag syntax');
expect(err.stack).to.contain('at Object.parse');
});
});
it('should contain file path in err.file', function() {
var html = '<html>\n<head>\n\n{% . a %}\n\n';
mock({
"/foo.html": html
});
return expect(engine.renderFile('/foo.html')).to.eventually
.be.rejected
.then(function(err) {
mock.restore();
expect(err.name).to.equal('TokenizationError');
expect(err.file).to.equal('/foo.html');
});
});
});
describe('RenderError', function() {
beforeEach(function() {
engine = require('../..')();
engine.registerTag('throwingTag', {
render: function() {
throw new Error('intended render error');
}
});
engine.registerTag('rejectingTag', {
render: function() {
return Promise.reject(new Error('intended render reject'));
}
});
engine.registerFilter('throwingFilter', () => {
throw new Error('throwed by filter');
});
});
it('should throw RenderError when tag throws', function() {
var src = '{%throwingTag%}';
return expect(engine.parseAndRender(src)).to.eventually
.be.rejected
.then(function(err) {
expect(err.name).to.equal('RenderError');
expect(err.message).to.contain('intended render error');
});
});
it('should throw RenderError when tag rejects', function() {
var src = '{%rejectingTag%}';
return expect(engine.parseAndRender(src)).to.eventually
.be.rejected
.then(function(err) {
expect(err.name).to.equal('RenderError');
expect(err.message).to.contain('intended render reject');
});
});
it('should throw RenderError when filter throws', function() {
var src = '{{1|throwingFilter}}';
return expect(engine.parseAndRender(src)).to.eventually
.be.rejected
.then(function(err) {
expect(err.name).to.equal('RenderError');
expect(err.message).to.contain('throwed by filter');
});
});
it('should not throw when variable undefined by default', function() {
return expect(engine.parseAndRender('X{{a}}Y')).to.eventually.equal('XY');
});
it('should throw RenderError when variable not defined', function() {
return expect(strictEngine.parseAndRender('{{a}}')).to.eventually
.be.rejected
.then(function(e) {
expect(e).to.have.property('name', 'RenderError');
expect(e.message).to.contain('undefined variable: a');
});
});
it('should contain template content in err.message', function() {
var html = ['1st', '2nd', '3rd', 'X{%throwingTag%} Y', '5th', '6th', '7th'];
var message = [
'intended render error',
' 2| 2nd',
' 3| 3rd',
'>> 4| X{%throwingTag%} Y',
' 5| 5th',
' 6| 6th',
' 7| 7th'
];
return expect(engine.parseAndRender(html.join('\n'))).to.eventually
.be.rejected
.then(function(err) {
expect(err.message).to.equal(message.join('\n'));
expect(err.name).to.equal('RenderError');
});
});
it('should contain the whole template content in err.input', function() {
var html = 'bar\nfoo{%throwingTag%}\nfoo';
return expect(engine.parseAndRender(html)).to.eventually
.be.rejected
.then(function(err) {
expect(err.input).to.equal(html);
expect(err.name).to.equal('RenderError');
});
});
it('should contain line number in err.line', function() {
var src = '1\n2\n{{1|throwingFilter}}\n4';
return expect(engine.parseAndRender(src)).to.eventually
.be.rejected
.then(function(err) {
expect(err.line).to.equal(3);
expect(err.name).to.equal('RenderError');
});
});
it('should contain stack in err.stack', function() {
return expect(engine.parseAndRender('{%rejectingTag%}')).to.eventually
.be.rejected
.then(function(err) {
expect(err.stack).to.contain('intended render reject');
expect(err.stack).to.contain('at Object.engine.registerTag.render');
});
});
it('should contain file path in err.file', function() {
var html = '<html>\n<head>\n\n{% throwingTag %}\n\n';
mock({
"/foo.html": html
});
return expect(engine.renderFile('/foo.html')).to.eventually
.be.rejected
.then(function(err) {
mock.restore();
expect(err.name).to.equal('RenderError');
expect(err.file).to.equal('/foo.html');
});
});
});
describe('ParseError', function() {
beforeEach(function() {
engine = require('../..')();
engine.registerTag('throwsOnParse', {
parse: function() {
throw new Error('intended parse error');
}
});
});
it('should throw RenderError when filter not defined', function() {
return expect(strictEngine.parseAndRender('{{1 | a}}')).to.eventually
.be.rejected
.then(function(e) {
expect(e).to.have.property('name', 'ParseError');
expect(e.message).to.contain('undefined filter: a');
});
});
it('should throw ParseError when tag not closed', function() {
return expect(engine.parseAndRender('{% if %}')).to.eventually
.be.rejected
.then(function(err) {
expect(err.name).to.equal('ParseError');
expect(err.message).to.contain('tag {% if %} not closed');
});
});
it('should throw ParseError when tag parse throws', function() {
var src = '{%throwsOnParse%}';
return expect(engine.parseAndRender(src)).to.eventually
.be.rejected
.then(function(err) {
expect(err.name).to.equal('ParseError');
expect(err.message).to.contain('intended parse error');
});
});
it('should throw ParseError when tag not found', function() {
var src = '{%if true%}\naaa{%endif%}\n{% -a %}\n3';
return expect(engine.parseAndRender(src)).to.eventually
.be.rejected
.then(function(err) {
expect(err.name).to.equal('ParseError');
expect(err.message).to.contain('tag -a not found');
});
});
it('should throw ParseError when tag not exist', function() {
return expect(engine.parseAndRender('{% a %}')).to.eventually
.be.rejected
.then(function(err) {
expect(err.name).to.equal('ParseError');
expect(err.message).to.contain('tag a not found');
});
});
it('should contain template content in err.message', function() {
var html = ['1st', '2nd', '3rd', 'X{% a %} {% enda %} Y', '5th', '6th', '7th'];
var message = [
'tag a not found',
' 2| 2nd',
' 3| 3rd',
'>> 4| X{% a %} {% enda %} Y',
' 5| 5th',
' 6| 6th',
' 7| 7th'
];
return expect(engine.parseAndRender(html.join('\n'))).to.eventually
.be.rejected
.then(function(err) {
expect(err.message).to.equal(message.join('\n'));
expect(err.name).to.equal('ParseError');
});
});
it('should handle err.message when context not enough', function() {
var html = ['1st', 'X{% a %} {% enda %} Y', '3rd', '4th'];
var message = [
'tag a not found',
' 1| 1st',
'>> 2| X{% a %} {% enda %} Y',
' 3| 3rd',
' 4| 4th'
];
return expect(engine.parseAndRender(html.join('\n'))).to.eventually
.be.rejected
.then(function(err) {
expect(err.message).to.equal(message.join('\n'));
});
});
it('should contain the whole template content in err.input', function() {
var html = 'bar\nfoo{% a %}\nfoo';
return expect(engine.parseAndRender(html)).to.eventually
.be.rejected
.then(function(err) {
expect(err.input).to.equal(html);
});
});
it('should contain line number in err.line', function() {
var html = '<html>\n<head>\n\n{% raw %}\n\n';
return expect(engine.parseAndRender(html)).to.eventually
.be.rejected
.then(function(err) {
expect(err.line).to.equal(4);
});
});
it('should contain stack in err.stack', function() {
return expect(engine.parseAndRender('{% -a %}')).to.eventually
.be.rejected
.then(function(err) {
expect(err.stack).to.contain('AssertionError: tag -a not found');
expect(err.stack).to.contain('at Object._tagInstance.parse');
});
});
it('should contain file path in err.file', function() {
var html = '<html>\n<head>\n\n{% raw %}\n\n';
mock({
"/foo.html": html
});
return expect(engine.renderFile('/foo.html')).to.eventually
.be.rejected
.then(function(err) {
mock.restore();
expect(err.name).to.equal('ParseError');
expect(err.file).to.equal('/foo.html');
});
});
});
});