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/*eslint-disable no-console */
describe('precompiler', function() {
// NOP Under non-node environments
if (typeof process === 'undefined') {
return;
}
var Handlebars = require('../lib'),
Precompiler = require('../dist/cjs/precompiler'),
fs = require('fs'),
uglify = require('uglify-js');
var log,
logFunction,
precompile,
minify,
emptyTemplate = {
path: __dirname + '/artifacts/empty.handlebars',
name: 'empty',
source: ''
},
file,
content,
writeFileSync;
beforeEach(function() {
precompile = Handlebars.precompile;
minify = uglify.minify;
writeFileSync = fs.writeFileSync;
logFunction = console.log;
log = '';
console.log = function() {
log += Array.prototype.join.call(arguments, '');
};
fs.writeFileSync = function(_file, _content) {
file = _file;
content = _content;
};
});
afterEach(function() {
Handlebars.precompile = precompile;
uglify.minify = minify;
fs.writeFileSync = writeFileSync;
console.log = logFunction;
});
it('should output version', function() {
Precompiler.cli({templates: [], version: true});
equals(log, Handlebars.VERSION);
});
it('should throw if lacking templates', function() {
shouldThrow(function() {
Precompiler.cli({templates: []});
}, Handlebars.Exception, 'Must define at least one template or directory.');
});
it('should handle empty/filtered directories', function() {
Precompiler.cli({hasDirectory: true, templates: []});
// Success is not throwing
});
it('should throw when combining simple and minimized', function() {
shouldThrow(function() {
Precompiler.cli({templates: [__dirname], simple: true, min: true});
}, Handlebars.Exception, 'Unable to minimize simple output');
});
it('should throw when combining simple and multiple templates', function() {
shouldThrow(function() {
Precompiler.cli({templates: [__dirname + '/artifacts/empty.handlebars', __dirname + '/artifacts/empty.handlebars'], simple: true});
}, Handlebars.Exception, 'Unable to output multiple templates in simple mode');
});
it('should throw when combining simple and directories', function() {
shouldThrow(function() {
Precompiler.cli({hasDirectory: true, templates: [1], simple: true});
}, Handlebars.Exception, 'Unable to output multiple templates in simple mode');
});
it('should output simple templates', function() {
Handlebars.precompile = function() { return 'simple'; };
Precompiler.cli({templates: [emptyTemplate], simple: true});
equal(log, 'simple\n');
});
it('should output amd templates', function() {
Handlebars.precompile = function() { return 'amd'; };
Precompiler.cli({templates: [emptyTemplate], amd: true});
equal(/template\(amd\)/.test(log), true);
});
it('should output multiple amd', function() {
Handlebars.precompile = function() { return 'amd'; };
Precompiler.cli({templates: [emptyTemplate, emptyTemplate], amd: true, namespace: 'foo'});
equal(/templates = foo = foo \|\|/.test(log), true);
equal(/return templates/.test(log), true);
equal(/template\(amd\)/.test(log), true);
});
it('should output amd partials', function() {
Handlebars.precompile = function() { return 'amd'; };
Precompiler.cli({templates: [emptyTemplate], amd: true, partial: true});
equal(/return Handlebars\.partials\['empty'\]/.test(log), true);
equal(/template\(amd\)/.test(log), true);
});
it('should output multiple amd partials', function() {
Handlebars.precompile = function() { return 'amd'; };
Precompiler.cli({templates: [emptyTemplate, emptyTemplate], amd: true, partial: true});
equal(/return Handlebars\.partials\[/.test(log), false);
equal(/template\(amd\)/.test(log), true);
});
it('should output commonjs templates', function() {
Handlebars.precompile = function() { return 'commonjs'; };
Precompiler.cli({templates: [emptyTemplate], commonjs: true});
equal(/template\(commonjs\)/.test(log), true);
});
it('should set data flag', function() {
Handlebars.precompile = function(data, options) { equal(options.data, true); return 'simple'; };
Precompiler.cli({templates: [emptyTemplate], simple: true, data: true});
equal(log, 'simple\n');
});
it('should set known helpers', function() {
Handlebars.precompile = function(data, options) { equal(options.knownHelpers.foo, true); return 'simple'; };
Precompiler.cli({templates: [emptyTemplate], simple: true, known: 'foo'});
equal(log, 'simple\n');
});
it('should output to file system', function() {
Handlebars.precompile = function() { return 'simple'; };
Precompiler.cli({templates: [emptyTemplate], simple: true, output: 'file!'});
equal(file, 'file!');
equal(content, 'simple\n');
equal(log, '');
});
it('should output minimized templates', function() {
Handlebars.precompile = function() { return 'amd'; };
uglify.minify = function() { return {code: 'min'}; };
Precompiler.cli({templates: [emptyTemplate], min: true});
equal(log, 'min');
});
it('should output map', function() {
Precompiler.cli({templates: [emptyTemplate], map: 'foo.js.map'});
equal(file, 'foo.js.map');
equal(/sourceMappingURL=/.test(log), true);
});
it('should output map', function() {
Precompiler.cli({templates: [emptyTemplate], min: true, map: 'foo.js.map'});
equal(file, 'foo.js.map');
equal(/sourceMappingURL=/.test(log), true);
});
describe('#loadTemplates', function() {
it('should throw on missing template', function(done) {
Precompiler.loadTemplates({files: ['foo']}, function(err) {
equal(err.message, 'Unable to open template file "foo"');
done();
});
});
it('should enumerate directories by extension', function(done) {
Precompiler.loadTemplates({files: [__dirname + '/artifacts'], extension: 'hbs'}, function(err, opts) {
equal(opts.templates.length, 1);
equal(opts.templates[0].name, 'example_2');
done(err);
});
});
it('should enumerate all templates by extension', function(done) {
Precompiler.loadTemplates({files: [__dirname + '/artifacts'], extension: 'handlebars'}, function(err, opts) {
equal(opts.templates.length, 3);
equal(opts.templates[0].name, 'bom');
equal(opts.templates[1].name, 'empty');
equal(opts.templates[2].name, 'example_1');
done(err);
});
});
it('should handle regular expression characters in extensions', function(done) {
Precompiler.loadTemplates({files: [__dirname + '/artifacts'], extension: 'hb(s'}, function(err) {
// Success is not throwing
done(err);
});
});
it('should handle BOM', function(done) {
var opts = {files: [__dirname + '/artifacts/bom.handlebars'], extension: 'handlebars', bom: true};
Precompiler.loadTemplates(opts, function(err, opts) {
equal(opts.templates[0].source, 'a');
done(err);
});
});
it('should handle different root', function(done) {
var opts = {files: [__dirname + '/artifacts/empty.handlebars'], simple: true, root: 'foo/'};
Precompiler.loadTemplates(opts, function(err, opts) {
equal(opts.templates[0].name, __dirname + '/artifacts/empty');
done(err);
});
});
it('should complete when no args are passed', function(done) {
Precompiler.loadTemplates({}, function(err, opts) {
equal(opts.templates.length, 0);
done(err);
});
});
});
});
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