sigma_api_testcase.php

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    {
        if (!$this->_methodExists('setOption')) {
            return;
        }
        $this->tpl->setTemplate('{placeholder1},{placeholder2},{placeholder3}', true, true);
        $this->tpl->setOption('preserve_data', true);
        $this->tpl->setVariable(array(
            'placeholder1' => 'var1',
            'placeholder2' => 'var2',
            'placeholder3' => 'var3{stuff}'
        ));
        $this->assertEquals('var1,var2,var3{stuff}', $this->tpl->get());
    }

    function testPlaceholderExists()
    {
        $this->tpl->setTemplate('{var}');
        $this->assertTrue($this->tpl->placeholderExists('var'), 'Existing placeholder \'var\' reported as nonexistant');
        $this->assertTrue(!$this->tpl->placeholderExists('foobar'), 'Nonexistant placeholder \'foobar\' reported as existing');
        $this->assertTrue($this->tpl->placeholderExists('var', '__global__'), 'Existing in block \'__global__\' placeholder \'var\' reported as nonexistant');
        $this->assertTrue(!$this->tpl->placeholderExists('foobar', '__global__'), 'Nonexistant in block \'__global__\' placeholder \'foobar\' reported as existing');
    }

    function testBlockExists()
    {
        $this->tpl->setTemplate('{var}');
        $this->assertTrue($this->tpl->blockExists('__global__'), 'Existing block \'__global__\' reported as nonexistant');
        $this->assertTrue(!$this->tpl->blockExists('foobar'), 'Nonexistant block \'foobar\' reported as existing');
    }

    function testAddBlock()
    {
        $result = $this->tpl->loadTemplatefile('blocks.html', true, true);
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error loading template file: '. $result->getMessage());
        }
        $this->tpl->addBlock('var', 'added', 'added:{new_var}');
        $this->assertTrue($this->tpl->blockExists('added'), 'The new block seems to be missing');
        $this->assertTrue(!$this->tpl->placeholderExists('var'), 'The old variable seems to be still present in the template');
        $this->tpl->setVariable('new_var', 'new_value');
        $this->assertEquals('added:new_value', $this->_stripWhitespace($this->tpl->get()));
    }

    function testAddBlockfile()
    {
        $result = $this->tpl->loadTemplatefile('blocks.html', true, true);
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error loading template file: '. $result->getMessage());
        }
        $result = $this->tpl->addBlockfile('var', 'added', 'addblock.html');
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error adding block from file: '. $result->getMessage());
        }
        $this->assertTrue($this->tpl->blockExists('added'), 'The new block seems to be missing');
        $this->assertTrue(!$this->tpl->placeholderExists('var'), 'The old variable seems to be still present in the template');
        $this->tpl->setVariable('new_var', 'new_value');
        $this->assertEquals('added:new_value', $this->_stripWhitespace($this->tpl->get()));
    }

    function testReplaceBlock()
    {
        $result = $this->tpl->loadTemplatefile('blocks.html', true, true);
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error loading template file: '. $result->getMessage());
        }
        $this->tpl->setVariable('old_var', 'old_value');
        $this->tpl->parse('old_block');
        // old_block's contents should be discarded
        $this->tpl->replaceBlock('old_block', 'replaced:{replaced_var}#', false);
        $this->assertTrue(!$this->tpl->blockExists('old_inner_block') && !$this->tpl->placeholderExists('old_var'),
                          'The replaced block\'s contents seem to be still present');
        $this->tpl->setVariable('replaced_var', 'replaced_value');
        $this->tpl->parse('old_block');
        // this time old_block's contents should be preserved
        $this->tpl->replaceBlock('old_block', 'replaced_again:{brand_new_var}', true);
        $this->tpl->setVariable('brand_new_var', 'brand_new_value');
        $this->assertEquals('replaced:replaced_value#replaced_again:brand_new_value', $this->_stripWhitespace($this->tpl->get()));
    }

    function testReplaceBlockfile()
    {
        $result = $this->tpl->loadTemplatefile('blocks.html', true, true);
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error loading template file: '. $result->getMessage());
        }
        $this->tpl->setVariable('old_var', 'old_value');
        $this->tpl->parse('old_block');
        // old_block's contents should be discarded
        $result = $this->tpl->replaceBlockfile('old_block', 'replaceblock.html', false);
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error replacing block from file: '. $result->getMessage());
        }
        $this->assertTrue(!$this->tpl->blockExists('old_inner_block') && !$this->tpl->placeholderExists('old_var'),
                          'The replaced block\'s contents seem to be still present');
        $this->tpl->setVariable(array(
            'replaced_var'       => 'replaced_value',
            'replaced_inner_var' => 'inner_value'
        ));
        $this->tpl->parse('old_block');
        // this time old_block's contents should be preserved
        $result = $this->tpl->replaceBlockfile('old_block', 'addblock.html', true);
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error replacing block from file: '. $result->getMessage());
        }
        $this->tpl->setVariable('new_var', 'again');
        $this->assertEquals('replaced:replaced_value|inner_value#added:again', $this->_stripWhitespace($this->tpl->get()));
    }

    function testCallback()
    {
        $result = $this->tpl->loadTemplatefile('callback.html', true, true);
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error loading template file: '. $result->getMessage());
        }
        $this->tpl->setVariable('username', 'luser');
        $this->tpl->setCallbackFunction('uppercase', 'strtoupper');
        $this->tpl->setCallbackFunction('russian', array(&$this, '_doRussian'), true);
        $this->tpl->setCallbackFunction('lowercase', 'strtolower');
        $this->tpl->setCallBackFunction('noarg', array(&$this, '_doCallback'));
        $this->assertEquals('callback#word#HELLO,LUSER!#橡桠弪,luser!', $this->_stripWhitespace($this->tpl->get()));
    }

    function _doCallback()
    {
        return 'callback';
    }

    function _doRussian($arg)
    {
        $ary = array('Hello, {username}!' => '橡桠弪, {username}!');
        return isset($ary[$arg])? $ary[$arg]: $arg;
    }

    function testGetBlockList()
    {
        // expected tree...
        $tree = array(
            'name'     => '__global__',
            'children' => array(
                array(
                    'name'     => 'outer_block',
                    'children' => array(
                        array('name' => 'inner_block')
                    )
                )
            )
        );

        $result = $this->tpl->loadTemplatefile('blockiteration.html', true, true);
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error loading template file: '. $result->getMessage());
        }
        $this->assertEquals($tree, $this->tpl->getBlockList('__global__', true));
        $this->assertEquals(array('inner_block'), $this->tpl->getBlockList('outer_block'));
    }
    
    function testGetPlaceholderList()
    {
        $result = $this->tpl->loadTemplatefile('blockiteration.html', true, true);
        if (PEAR::isError($result)) {
            $this->assertTrue(false, 'Error loading template file: '. $result->getMessage());
        }
        $this->assertEquals(array('outer'), $this->tpl->getPlaceholderList('outer_block'));
    }

    function testCallbackShorthand()
    {
        $this->tpl->setTemplate('{var}|{var:h}|{var:u}|{var:j}|{var:uppercase}', true, true);
        $this->tpl->setCallbackFunction('uppercase', 'strtoupper');
        $this->tpl->setVariable('var', '"m&m"');
        $this->assertEquals('"m&m"|"m&m"|%22m%26m%22|\\"m&m\\"|"M&M"', $this->tpl->get());
    }

    function testClearVariables()
    {
        if (!$this->_methodExists('clearVariables')) {
            return;
        }
        $this->tpl->setTemplate('<!-- BEGIN block -->{var_1}:<!-- END block -->{var_2}', true, true);
        $this->tpl->setVariable(array(
            'var_1' => 'a',
            'var_2' => 'b'
        ));
        $this->tpl->parse('block');
        $this->tpl->clearVariables();
        $this->assertEquals('a:', $this->_stripWhitespace($this->tpl->get()));
    }

    function testCallbackParametersQuoting()
    {
        $this->tpl->setTemplate(
            '|func_fake(\' foo \')|func_fake( foo )|func_fake(<a href="javascript:foo(bar,baz)">foo</a>)' .
            '|func_fake("O\'really")|func_fake(\'\\\\O\\\'really\\\\\')|func_fake("\\\\O\\"really\\\\")|'
        );
        $this->assertEquals('| foo |foo|<a href="javascript:foo(bar,baz)">foo</a>|O\'really|\\O\'really\\|\\O"really\\|', $this->tpl->get());
    }
}

?>