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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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declare(strict_types=1);
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namespace core\output;
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/**
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* Unit tests for the mustache_quote_helper class.
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*
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* @package core
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* @category test
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* @copyright 2022 TU Berlin
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @coversDefaultClass \core\output\mustache_quote_helper
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*/
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class mustache_quote_helper_test extends \basic_testcase {
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/**
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* Tests the quote helper
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*
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* @covers ::quote
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*/
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public function test_quote() {
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$engine = new \Mustache_Engine();
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$context = new \Mustache_Context([
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'world' => '{{planet}}',
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'planet' => '<earth>'
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]);
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$lambdahelper = new \Mustache_LambdaHelper($engine, $context);
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$quotehelper = new mustache_quote_helper();
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// Simple string.
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$this->assertEquals('"Hello world!"', $quotehelper->quote('Hello world!', $lambdahelper));
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// Special JSON characters in string.
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$this->assertEquals(
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'"Hello \\"world\\"! (\\b,\\f,\\n,\\r,\\t,\\\\)"',
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$quotehelper->quote('Hello "world"! (' . chr(8) . ",\f,\n,\r,\t,\\)", $lambdahelper)
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);
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// Double curly braces in string.
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$this->assertEquals(
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'"Hello {{=<% %>=}}{{<%={{ }}=%>world{{=<% %>=}}}}<%={{ }}=%>!"',
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$quotehelper->quote('{{=<% %>=}}Hello {{world}}!<%={{ }}=%>', $lambdahelper)
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);
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// Triple curly braces in string.
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$this->assertEquals(
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'"Hello {{=<% %>=}}{{{<%={{ }}=%>world{{=<% %>=}}}}}<%={{ }}=%>!"',
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$quotehelper->quote('{{=<% %>=}}Hello {{{world}}}!<%={{ }}=%>', $lambdahelper)
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);
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// Variable interpolation with double braces.
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$this->assertEquals(
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'"Hello <earth>!"',
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$quotehelper->quote('Hello {{planet}}!', $lambdahelper)
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);
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// Variable interpolation with triple braces.
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$this->assertEquals(
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'"Hello <earth>!"',
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$quotehelper->quote('Hello {{{planet}}}!', $lambdahelper)
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);
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// Variables interpolated only once.
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$this->assertEquals(
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'"Hello {{=<% %>=}}{{<%={{ }}=%>planet{{=<% %>=}}}}<%={{ }}=%>!"',
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$quotehelper->quote('Hello {{world}}!', $lambdahelper)
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);
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}
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}
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