describe('string params mode', function() { it('arguments to helpers can be retrieved from options hash in string form', function() { var template = CompilerContext.compile('{{wycats is.a slave.driver}}', {stringParams: true}); var helpers = { wycats: function(passiveVoice, noun) { return 'HELP ME MY BOSS ' + passiveVoice + ' ' + noun; } }; var result = template({}, {helpers: helpers}); equals(result, 'HELP ME MY BOSS is.a slave.driver', 'String parameters output'); }); it('when using block form, arguments to helpers can be retrieved from options hash in string form', function() { var template = CompilerContext.compile('{{#wycats is.a slave.driver}}help :({{/wycats}}', {stringParams: true}); var helpers = { wycats: function(passiveVoice, noun, options) { return 'HELP ME MY BOSS ' + passiveVoice + ' ' + noun + ': ' + options.fn(this); } }; var result = template({}, {helpers: helpers}); equals(result, 'HELP ME MY BOSS is.a slave.driver: help :(', 'String parameters output'); }); it('when inside a block in String mode, .. passes the appropriate context in the options hash', function() { var template = CompilerContext.compile('{{#with dale}}{{tomdale ../need dad.joke}}{{/with}}', {stringParams: true}); var helpers = { tomdale: function(desire, noun, options) { return 'STOP ME FROM READING HACKER NEWS I ' + options.contexts[0][desire] + ' ' + noun; }, 'with': function(context, options) { return options.fn(options.contexts[0][context]); } }; var result = template({ dale: {}, need: 'need-a' }, {helpers: helpers}); equals(result, 'STOP ME FROM READING HACKER NEWS I need-a dad.joke', 'Proper context variable output'); }); it('information about the types is passed along', function() { var template = CompilerContext.compile("{{tomdale 'need' dad.joke true false}}", { stringParams: true }); var helpers = { tomdale: function(desire, noun, trueBool, falseBool, options) { equal(options.types[0], 'StringLiteral', 'the string type is passed'); equal(options.types[1], 'PathExpression', 'the expression type is passed'); equal(options.types[2], 'BooleanLiteral', 'the expression type is passed'); equal(desire, 'need', 'the string form is passed for strings'); equal(noun, 'dad.joke', 'the string form is passed for expressions'); equal(trueBool, true, 'raw booleans are passed through'); equal(falseBool, false, 'raw booleans are passed through'); return 'Helper called'; } }; var result = template({}, { helpers: helpers }); equal(result, 'Helper called'); }); it('hash parameters get type information', function() { var template = CompilerContext.compile("{{tomdale he.says desire='need' noun=dad.joke bool=true}}", { stringParams: true }); var helpers = { tomdale: function(exclamation, options) { equal(exclamation, 'he.says'); equal(options.types[0], 'PathExpression'); equal(options.hashTypes.desire, 'StringLiteral'); equal(options.hashTypes.noun, 'PathExpression'); equal(options.hashTypes.bool, 'BooleanLiteral'); equal(options.hash.desire, 'need'); equal(options.hash.noun, 'dad.joke'); equal(options.hash.bool, true); return 'Helper called'; } }; var result = template({}, { helpers: helpers }); equal(result, 'Helper called'); }); it('hash parameters get context information', function() { var template = CompilerContext.compile("{{#with dale}}{{tomdale he.says desire='need' noun=../dad/joke bool=true}}{{/with}}", { stringParams: true }); var context = {dale: {}}; var helpers = { tomdale: function(exclamation, options) { equal(exclamation, 'he.says'); equal(options.types[0], 'PathExpression'); equal(options.contexts.length, 1); equal(options.hashContexts.noun, context); equal(options.hash.desire, 'need'); equal(options.hash.noun, 'dad.joke'); equal(options.hash.bool, true); return 'Helper called'; }, 'with': function(withContext, options) { return options.fn(options.contexts[0][withContext]); } }; var result = template(context, { helpers: helpers }); equal(result, 'Helper called'); }); it('when inside a block in String mode, .. passes the appropriate context in the options hash to a block helper', function() { var template = CompilerContext.compile('{{#with dale}}{{#tomdale ../need dad.joke}}wot{{/tomdale}}{{/with}}', {stringParams: true}); var helpers = { tomdale: function(desire, noun, options) { return 'STOP ME FROM READING HACKER NEWS I ' + options.contexts[0][desire] + ' ' + noun + ' ' + options.fn(this); }, 'with': function(context, options) { return options.fn(options.contexts[0][context]); } }; var result = template({ dale: {}, need: 'need-a' }, {helpers: helpers}); equals(result, 'STOP ME FROM READING HACKER NEWS I need-a dad.joke wot', 'Proper context variable output'); }); it('with nested block ambiguous', function() { var template = CompilerContext.compile('{{#with content}}{{#view}}{{firstName}} {{lastName}}{{/view}}{{/with}}', {stringParams: true}); var helpers = { 'with': function() { return 'WITH'; }, view: function() { return 'VIEW'; } }; var result = template({}, {helpers: helpers}); equals(result, 'WITH'); }); it('should handle DATA', function() { var template = CompilerContext.compile('{{foo @bar}}', { stringParams: true }); var helpers = { foo: function(bar, options) { equal(bar, '@bar'); equal(options.types[0], 'PathExpression'); return 'Foo!'; } }; var result = template({}, { helpers: helpers }); equal(result, 'Foo!'); }); });