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better registerHelper Tests
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Christian Blanquera
parent
08f4328f9d
commit
407732cef3
@ -438,29 +438,230 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
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$this->setExpectedException('InvalidArgumentException');
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$engine->getHelpers()->call('invalid', $engine->loadTemplate(''), new \Handlebars\Context(), '', '');
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}
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public function testRegisterHelper()
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public function testRegisterHelper()
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{
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$template = '{{#grand test "test2"}} In 1: {{test4}} {{#grand ../test \'test3\'}} In 2: {{test5}}{{#parent}} In 3: {{test6}} {{../../../test}}{{/parent}}{{/grand}}{{/grand}}';
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$vars = array('test' => 'Hello World');
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$expected = ' In 1: Hello World In 2: This is Test 5 In 3: This is Test 6 Hello World';
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$loader = new \Handlebars\Loader\StringLoader();
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$loader = new \Handlebars\Loader\StringLoader();
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$engine = new \Handlebars\Handlebars(array('loader' => $loader));
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//date_default_timezone_set('GMT');
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$engine->registerHelper('grand', function($test1, $test2, $options) {
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return $options['fn'](array(
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'test4' => $test1,
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'test5' => 'This is Test 5'
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));
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});
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$engine->registerHelper('parent', function($options) {
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return $options['fn'](array('test6' => 'This is Test 6'));
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});
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$this->assertEquals($expected, $engine->render($template, $vars));
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//FIRST UP: some awesome helpers!!
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//translations
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$translations = array(
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'hello' => 'bonjour',
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'my name is %s' => 'mon nom est %s',
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'how are your %s kids and %s' => 'comment sont les enfants de votre %s et %s'
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);
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//i18n
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$engine->registerHelper('_', function($key) use ($translations) {
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$args = func_get_args();
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$key = array_shift($args);
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$options = array_pop($args);
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//make sure it's a string
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$key = (string) $key;
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//by default the translation is the key
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$translation = $key;
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//if there is a translation
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if(isset($translations[$key])) {
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//translate it
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$translation = $translations[$key];
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}
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//if there are more arguments
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if(!empty($args)) {
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//it means the translations was
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//something like 'Hello %s'
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return vsprintf($translation, $args);
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}
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//just return what we got
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return $translation;
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});
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//create a better if helper
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$engine->registerHelper('when', function($value1, $operator, $value2, $options) {
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//make sure value 1 is scalar
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if(is_object($value1) && method_exists($value1, '__toString')) {
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$value1 = (string) $value1;
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}
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//make sure operator is scalar
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if(is_object($operator) && method_exists($operator, '__toString')) {
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$operator = (string) $operator;
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}
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//make sure value 2 is scalar
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if(is_object($value2) && method_exists($value2, '__toString')) {
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$value2 = (string) $value2;
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}
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$valid = false;
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//the amazing reverse switch!
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switch (true) {
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case $operator == 'eq' && $value1 == $value2:
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case $operator == '==' && $value1 == $value2:
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case $operator == 'req' && $value1 === $value2:
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case $operator == '===' && $value1 === $value2:
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case $operator == 'neq' && $value1 != $value2:
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case $operator == '!=' && $value1 != $value2:
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case $operator == 'rneq' && $value1 !== $value2:
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case $operator == '!==' && $value1 !== $value2:
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case $operator == 'lt' && $value1 < $value2:
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case $operator == '<' && $value1 < $value2:
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case $operator == 'lte' && $value1 <= $value2:
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case $operator == '<=' && $value1 <= $value2:
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case $operator == 'gt' && $value1 > $value2:
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case $operator == '>' && $value1 > $value2:
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case $operator == 'gte' && $value1 >= $value2:
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case $operator == '>=' && $value1 >= $value2:
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case $operator == 'and' && $value1 && $value2:
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case $operator == '&&' && ($value1 && $value2):
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case $operator == 'or' && ($value1 || $value2):
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case $operator == '||' && ($value1 || $value2):
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$valid = true;
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break;
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}
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if($valid) {
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return $options['fn']();
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}
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return $options['inverse']();
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});
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//a loop helper
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$engine->registerHelper('loop', function($object, $options) {
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//expected for subtemplates of this block to use
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// {{value.profile_name}} vs {{profile_name}}
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// {{key}} vs {{@index}}
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$i = 0;
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$buffer = array();
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$total = count($object);
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//loop through the object
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foreach($object as $key => $value) {
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//call the sub template and
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//add it to the buffer
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$buffer[] = $options['fn'](array(
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'key' => $key,
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'value' => $value,
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'last' => ++$i === $total
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));
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}
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return implode('', $buffer);
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});
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//array in
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$engine->registerHelper('in', function(array $array, $key, $options) {
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//make sure key is scalar
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if(is_object($key) && method_exists($key, '__toString')) {
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$key = (string) $key;
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}
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if(in_array($key, $array)) {
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return $options['fn']();
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}
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return $options['inverse']();
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});
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//converts date formats to other formats
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$engine->registerHelper('date', function($time, $format, $options) {
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//make sure time is scalar
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if(is_object($time) && method_exists($time, '__toString')) {
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$time = (string) $time;
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}
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//make sure format is scalar
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if(is_object($format) && method_exists($format, '__toString')) {
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$format = (string) $format;
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}
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return date($format, strtotime($time));
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});
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//nesting helpers, these don't really help anyone :)
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$engine->registerHelper('nested1', function($test1, $test2, $options) {
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return $options['fn'](array(
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'test4' => $test1,
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'test5' => 'This is Test 5'
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));
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});
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$engine->registerHelper('nested2', function($options) {
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return $options['fn'](array('test6' => 'This is Test 6'));
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});
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//NEXT UP: some practical case studies
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//case 1
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$variable1 = array();
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$template1 = "{{_ 'hello'}}, {{_ 'my name is %s' 'Foo'}}! {{_ 'how are your %s kids and %s' '6' 'dog'}}?";
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$expected1 = 'bonjour, mon nom est Foo! comment sont les enfants de votre 6 et dog?';
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//case 2
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$variable2 = array('gender' => 'female');
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$template2 = "Hello {{#when gender '===' 'male'}}sir{{else}}maam{{/when}}";
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$expected2 = 'Hello maam';
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//case 3
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$variable3 = array('gender' => 'male');
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$template3 = "Hello {{#when gender '===' 'male'}}sir{{else}}maam{{/when}}";
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$expected3 = 'Hello sir';
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//case 4
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$variable4 = array(
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'rows' => array(
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array(
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'profile_name' => 'Jane Doe',
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'profile_created' => '2014-04-04 00:00:00'
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),
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array(
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'profile_name' => 'John Doe',
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'profile_created' => '2015-01-21 00:00:00'
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)
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)
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);
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$template4 = "{{#loop rows}}<li>{{value.profile_name}} - {{date value.profile_created 'M d'}}</li>{{/loop}}";
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$expected4 = '<li>Jane Doe - Apr 04</li><li>John Doe - Jan 21</li>';
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//case 5
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$variable5 = $variable4;
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$variable5['me'] = 'Jack Doe';
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$variable5['admins'] = array('Jane Doe', 'John Doe');
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$template5 = "{{#in admins me}}<ul>".$template4."</ul>{{else}}No Access{{/in}}";
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$expected5 = 'No Access';
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//case 6
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$variable6 = $variable5;
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$variable6['me'] = 'Jane Doe';
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$template6 = $template5;
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$expected6 = '<ul><li>Jane Doe - Apr 04</li><li>John Doe - Jan 21</li></ul>';
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//case 7
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$variable7 = array('test' => 'Hello World');
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$template7 = '{{#nested1 test "test2"}} '
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.'In 1: {{test4}} {{#nested1 ../test \'test3\'}} '
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.'In 2: {{test5}}{{#nested2}} '
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.'In 3: {{test6}} {{../../../test}}{{/nested2}}{{/nested1}}{{/nested1}}';
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$expected7 = ' In 1: Hello World In 2: This is Test 5 In 3: This is Test 6 Hello World';
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//LAST UP: the actual testing
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$this->assertEquals($expected1, $engine->render($template1, $variable1));
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$this->assertEquals($expected2, $engine->render($template2, $variable2));
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$this->assertEquals($expected3, $engine->render($template3, $variable3));
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$this->assertEquals($expected4, $engine->render($template4, $variable4));
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$this->assertEquals($expected5, $engine->render($template5, $variable5));
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$this->assertEquals($expected6, $engine->render($template6, $variable6));
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$this->assertEquals($expected7, $engine->render($template7, $variable7));
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}
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public function testInvalidHelperMustacheStyle()
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