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| /*global CompilerContext, Handlebars, shouldCompileTo, shouldThrow */
describe('Regressions', function() {
it("GH-94: Cannot read property of undefined", function() {
var data = {"books":[{"title":"The origin of species","author":{"name":"Charles Darwin"}},{"title":"Lazarillo de Tormes"}]};
var string = "{{#books}}{{title}}{{author.name}}{{/books}}";
shouldCompileTo(string, data, "The origin of speciesCharles DarwinLazarillo de Tormes",
"Renders without an undefined property error");
});
it("GH-150: Inverted sections print when they shouldn't", function() {
var string = "{{^set}}not set{{/set}} :: {{#set}}set{{/set}}";
shouldCompileTo(string, {}, "not set :: ", "inverted sections run when property isn't present in context");
shouldCompileTo(string, {set: undefined}, "not set :: ", "inverted sections run when property is undefined");
shouldCompileTo(string, {set: false}, "not set :: ", "inverted sections run when property is false");
shouldCompileTo(string, {set: true}, " :: set", "inverted sections don't run when property is true");
});
it("GH-158: Using array index twice, breaks the template", function() {
var string = "{{arr.[0]}}, {{arr.[1]}}";
var data = { "arr": [1,2] };
shouldCompileTo(string, data, "1, 2", "it works as expected");
});
it("bug reported by @fat where lambdas weren't being properly resolved", function() {
var string = '<strong>This is a slightly more complicated {{thing}}.</strong>.\n'
+ '{{! Just ignore this business. }}\n'
+ 'Check this out:\n'
+ '{{#hasThings}}\n'
+ '<ul>\n'
+ '{{#things}}\n'
+ '<li class={{className}}>{{word}}</li>\n'
+ '{{/things}}</ul>.\n'
+ '{{/hasThings}}\n'
+ '{{^hasThings}}\n'
+ '\n'
+ '<small>Nothing to check out...</small>\n'
+ '{{/hasThings}}';
var data = {
thing: function() {
return "blah";
},
things: [
{className: "one", word: "@fat"},
{className: "two", word: "@dhg"},
{className: "three", word:"@sayrer"}
],
hasThings: function() {
return true;
}
};
var output = '<strong>This is a slightly more complicated blah.</strong>.\n'
+ 'Check this out:\n'
+ '<ul>\n'
+ '<li class=one>@fat</li>\n'
+ '<li class=two>@dhg</li>\n'
+ '<li class=three>@sayrer</li>\n'
+ '</ul>.\n';
shouldCompileTo(string, data, output);
});
it('GH-408: Multiple loops fail', function() {
var context = [
{ name: "John Doe", location: { city: "Chicago" } },
{ name: "Jane Doe", location: { city: "New York"} }
];
var template = CompilerContext.compile('{{#.}}{{name}}{{/.}}{{#.}}{{name}}{{/.}}{{#.}}{{name}}{{/.}}');
var result = template(context);
equals(result, "John DoeJane DoeJohn DoeJane DoeJohn DoeJane Doe", 'It should output multiple times');
});
it('GS-428: Nested if else rendering', function() {
var succeedingTemplate = '{{#inverse}} {{#blk}} Unexpected {{/blk}} {{else}} {{#blk}} Expected {{/blk}} {{/inverse}}';
var failingTemplate = '{{#inverse}} {{#blk}} Unexpected {{/blk}} {{else}} {{#blk}} Expected {{/blk}} {{/inverse}}';
var helpers = {
blk: function(block) { return block.fn(''); },
inverse: function(block) { return block.inverse(''); }
};
shouldCompileTo(succeedingTemplate, [{}, helpers], ' Expected ');
shouldCompileTo(failingTemplate, [{}, helpers], ' Expected ');
});
it('GH-458: Scoped this identifier', function() {
shouldCompileTo('{{./foo}}', {foo: 'bar'}, 'bar');
});
it('GH-375: Unicode line terminators', function() {
shouldCompileTo('\u2028', {}, '\u2028');
});
it('GH-534: Object prototype aliases', function() {
Object.prototype[0xD834] = true;
shouldCompileTo('{{foo}}', { foo: 'bar' }, 'bar');
delete Object.prototype[0xD834];
});
it('GH-437: Matching escaping', function() {
shouldThrow(function() {
CompilerContext.compile('{{{a}}');
}, Error);
shouldThrow(function() {
CompilerContext.compile('{{a}}}');
}, Error);
});
it("GH-676: Using array in escaping mustache fails", function() {
var string = "{{arr}}";
var data = { "arr": [1,2] };
shouldCompileTo(string, data, data.arr.toString(), "it works as expected");
});
it("Mustache man page", function() {
var string = "Hello {{name}}. You have just won ${{value}}!{{#in_ca}} Well, ${{taxed_value}}, after taxes.{{/in_ca}}";
var data = {
"name": "Chris",
"value": 10000,
"taxed_value": 10000 - (10000 * 0.4),
"in_ca": true
};
shouldCompileTo(string, data, "Hello Chris. You have just won $10000! Well, $6000, after taxes.", "the hello world mustache example works");
});
it("Passing falsy values to Handlebars.compile throws an error", function() {
shouldThrow(function() {
CompilerContext.compile(null);
}, Error, 'You must pass a string or Handlebars AST to Handlebars.precompile. You passed null');
});
it('GH-731: zero context rendering', function() {
shouldCompileTo('{{#foo}} This is {{bar}} ~ {{/foo}}', {foo: 0, bar: 'OK'}, ' This is ~ ');
});
it('GH-820: zero pathed rendering', function() {
shouldCompileTo('{{foo.bar}}', {foo: 0}, '');
});
if (Handlebars.AST) {
it("can pass through an already-compiled AST via compile/precompile", function() {
equal(Handlebars.compile(new Handlebars.AST.ProgramNode(true, [ new Handlebars.AST.ContentNode("Hello")]))(), 'Hello');
});
it("can pass through an empty string", function() {
equal(Handlebars.compile('')(), '');
});
}
});
|