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/*

* JavaScript Templates Test

* https://github.com/blueimp/JavaScript-Templates

*

* Copyright 2011, Sebastian Tschan

* https://blueimp.net

*

* Licensed under the MIT license:

* https://opensource.org/licenses/MIT

*/

/* global beforeEach, afterEach, describe, it */

;(function (context, expect, tmpl) {

'use strict'

if (context.require === undefined) {

// Override the template loading method:

tmpl.load = function (id) {

switch (id) {

case 'template':

return '{%=o.value%}'

}

}

}

var data

beforeEach(function () {

// Initialize the sample data:

data = {

value: 'value',

nullValue: null,

falseValue: false,

zeroValue: 0,

special: '<>&"\'\x00',

list: [1, 2, 3, 4, 5],

func: function () {

return this.value

},

deep: {

value: 'value'

}

}

})

afterEach(function () {

// Purge the template cache:

tmpl.cache = {}

})

describe('Template loading', function () {

it('String template', function () {

expect(tmpl('{%=o.value%}', data)).to.equal('value')

})

it('Load template by id', function () {

expect(tmpl('template', data)).to.equal('value')

})

it('Retun function when called without data parameter', function () {

expect(tmpl('{%=o.value%}')(data)).to.equal('value')

})

it('Cache templates loaded by id', function () {

tmpl('template')

expect(tmpl.cache.template).to.be.a('function')

})

})

describe('Interpolation', function () {

it('Escape HTML special characters with {%=o.prop%}', function () {

expect(tmpl('{%=o.special%}', data)).to.equal('&lt;&gt;&amp;&quot;&#39;')

})

it('Allow HTML special characters with {%#o.prop%}', function () {

expect(tmpl('{%#o.special%}', data)).to.equal('<>&"\'\x00')

})

it('Function call', function () {

expect(tmpl('{%=o.func()%}', data)).to.equal('value')

})

it('Dot notation', function () {

expect(tmpl('{%=o.deep.value%}', data)).to.equal('value')

})

it('Handle single quotes', function () {

expect(tmpl("'single quotes'{%=\": '\"%}", data)).to.equal(

"'single quotes': &#39;"

)

})

it('Handle double quotes', function () {

expect(tmpl('"double quotes"{%=": \\""%}', data)).to.equal(

'"double quotes": &quot;'

)

})

it('Handle backslashes', function () {

expect(tmpl('\\backslashes\\{%=": \\\\"%}', data)).to.equal(

'\\backslashes\\: \\'

)

})

it('Interpolate escaped falsy values except undefined or null', function () {

expect(

tmpl(

'{%=o.undefinedValue%}' +

'{%=o.nullValue%}' +

'{%=o.falseValue%}' +

'{%=o.zeroValue%}',

data

)

).to.equal('false0')

})

it('Interpolate unescaped falsy values except undefined or null', function () {

expect(

tmpl(

'{%#o.undefinedValue%}' +

'{%#o.nullValue%}' +

'{%#o.falseValue%}' +

'{%#o.zeroValue%}',

data

)

).to.equal('false0')

})

it('Preserve whitespace', function () {

expect(tmpl('\n\r\t{%=o.value%} \n\r\t{%=o.value%} ', data)).to.equal(

'\n\r\tvalue \n\r\tvalue '

)

})

})

describe('Evaluation', function () {

it('Escape HTML special characters with print(data)', function () {

expect(tmpl('{% print(o.special); %}', data)).to.equal(

'&lt;&gt;&amp;&quot;&#39;'

)

})

it('Allow HTML special characters with print(data, true)', function () {

expect(tmpl('{% print(o.special, true); %}', data)).to.equal('<>&"\'\x00')

})

it('Print out escaped falsy values except undefined or null', function () {

expect(

tmpl(

'{% print(o.undefinedValue); %}' +

'{% print(o.nullValue); %}' +

'{% print(o.falseValue); %}' +

'{% print(o.zeroValue); %}',

data

)

).to.equal('false0')

})

it('Print out unescaped falsy values except undefined or null', function () {

expect(

tmpl(

'{% print(o.undefinedValue, true); %}' +

'{% print(o.nullValue, true); %}' +

'{% print(o.falseValue, true); %}' +

'{% print(o.zeroValue, true); %}',

data

)

).to.equal('false0')

})

it('Include template', function () {

expect(

tmpl('{% include("template", {value: "value"}); %}', data)

).to.equal('value')

})

it('If condition', function () {

expect(

tmpl('{% if (o.value) { %}true{% } else { %}false{% } %}', data)

).to.equal('true')

})

it('Else condition', function () {

expect(

tmpl(

'{% if (o.undefinedValue) { %}false{% } else { %}true{% } %}',

data

)

).to.equal('true')

})

it('For loop', function () {

expect(

tmpl(

'{% for (var i=0; i<o.list.length; i++) { %}' +

'{%=o.list[i]%}{% } %}',

data

)

).to.equal('12345')

})

it('For loop print call', function () {

expect(

tmpl(

'{% for (var i=0; i<o.list.length; i++) {' + 'print(o.list[i]);} %}',

data

)

).to.equal('12345')

})

it('For loop include template', function () {

expect(

tmpl(

'{% for (var i=0; i<o.list.length; i++) {' +

'include("template", {value: o.list[i]});} %}',

data

).replace(/[\r\n]/g, '')

).to.equal('12345')

})

it('Modulo operator', function () {

expect(

tmpl(

'{% if (o.list.length % 5 === 0) { %}5 list items{% } %}',

data

).replace(/[\r\n]/g, '')

).to.equal('5 list items')

})

})

})(

this,

(this.chai || require('chai')).expect,

this.tmpl || require('../js/tmpl')

)