Files
handlebars.js/spec/compiler.js
T
kpdecker 95d84badca Drop AST constructors in favor of JSON
These were little more than object literal statements that were less clear due to their use of index-based arguments.

Fixes #1077
2015-08-18 23:57:27 -07:00

75 lines
2.9 KiB
JavaScript

describe('compiler', function() {
if (!Handlebars.compile) {
return;
}
describe('#equals', function() {
function compile(string) {
var ast = Handlebars.parse(string);
return new Handlebars.Compiler().compile(ast, {});
}
it('should treat as equal', function() {
equal(compile('foo').equals(compile('foo')), true);
equal(compile('{{foo}}').equals(compile('{{foo}}')), true);
equal(compile('{{foo.bar}}').equals(compile('{{foo.bar}}')), true);
equal(compile('{{foo.bar baz "foo" true false bat=1}}').equals(compile('{{foo.bar baz "foo" true false bat=1}}')), true);
equal(compile('{{foo.bar (baz bat=1)}}').equals(compile('{{foo.bar (baz bat=1)}}')), true);
equal(compile('{{#foo}} {{/foo}}').equals(compile('{{#foo}} {{/foo}}')), true);
});
it('should treat as not equal', function() {
equal(compile('foo').equals(compile('bar')), false);
equal(compile('{{foo}}').equals(compile('{{bar}}')), false);
equal(compile('{{foo.bar}}').equals(compile('{{bar.bar}}')), false);
equal(compile('{{foo.bar baz bat=1}}').equals(compile('{{foo.bar bar bat=1}}')), false);
equal(compile('{{foo.bar (baz bat=1)}}').equals(compile('{{foo.bar (bar bat=1)}}')), false);
equal(compile('{{#foo}} {{/foo}}').equals(compile('{{#bar}} {{/bar}}')), false);
equal(compile('{{#foo}} {{/foo}}').equals(compile('{{#foo}} {{foo}}{{/foo}}')), false);
});
});
describe('#compile', function() {
it('should fail with invalid input', function() {
shouldThrow(function() {
Handlebars.compile(null);
}, Error, 'You must pass a string or Handlebars AST to Handlebars.compile. You passed null');
shouldThrow(function() {
Handlebars.compile({});
}, Error, 'You must pass a string or Handlebars AST to Handlebars.compile. You passed [object Object]');
});
it('can utilize AST instance', function() {
equal(Handlebars.compile({
type: 'Program',
body: [ {type: 'ContentStatement', value: 'Hello'}]
})(), 'Hello');
});
it('can pass through an empty string', function() {
equal(Handlebars.compile('')(), '');
});
});
describe('#precompile', function() {
it('should fail with invalid input', function() {
shouldThrow(function() {
Handlebars.precompile(null);
}, Error, 'You must pass a string or Handlebars AST to Handlebars.precompile. You passed null');
shouldThrow(function() {
Handlebars.precompile({});
}, Error, 'You must pass a string or Handlebars AST to Handlebars.precompile. You passed [object Object]');
});
it('can utilize AST instance', function() {
equal(/return "Hello"/.test(Handlebars.precompile({
type: 'Program',
body: [ {type: 'ContentStatement', value: 'Hello'}]
})), true);
});
it('can pass through an empty string', function() {
equal(/return ""/.test(Handlebars.precompile('')), true);
});
});
});