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484 lines
21 KiB
484 lines
21 KiB
<?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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/**
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* core_text unit tests.
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*
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* @package core
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* @category phpunit
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* @copyright 2012 Petr Skoda {@link http://skodak.org}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* Unit tests for our utf-8 aware text processing.
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*
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* @package core
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* @category phpunit
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* @copyright 2010 Petr Skoda (http://skodak.org)
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class core_text_testcase extends advanced_testcase {
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/**
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* Tests the static parse charset method.
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*/
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public function test_parse_charset() {
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$this->assertSame('windows-1250', core_text::parse_charset('Cp1250'));
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// Does typo3 work? Some encoding moodle does not use.
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$this->assertSame('windows-1252', core_text::parse_charset('ms-ansi'));
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}
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/**
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* Tests the static convert method.
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*/
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public function test_convert() {
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$utf8 = "Žluťoučký koníček";
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$iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b");
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$win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b");
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$this->assertSame($iso2, core_text::convert($utf8, 'utf-8', 'iso-8859-2'));
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$this->assertSame($utf8, core_text::convert($iso2, 'iso-8859-2', 'utf-8'));
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$this->assertSame($win, core_text::convert($utf8, 'utf-8', 'win-1250'));
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$this->assertSame($utf8, core_text::convert($win, 'win-1250', 'utf-8'));
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$this->assertSame($iso2, core_text::convert($win, 'win-1250', 'iso-8859-2'));
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$this->assertSame($win, core_text::convert($iso2, 'iso-8859-2', 'win-1250'));
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$this->assertSame($iso2, core_text::convert($iso2, 'iso-8859-2', 'iso-8859-2'));
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$this->assertSame($win, core_text::convert($win, 'win-1250', 'cp1250'));
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$this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8'));
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$utf8 = '言語設定';
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$str = pack("H*", "b8c0b8ecc0dfc4ea"); // EUC-JP
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$this->assertSame($str, core_text::convert($utf8, 'utf-8', 'EUC-JP'));
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$this->assertSame($utf8, core_text::convert($str, 'EUC-JP', 'utf-8'));
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$this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8'));
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$str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP
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$this->assertSame($str, core_text::convert($utf8, 'utf-8', 'ISO-2022-JP'));
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$this->assertSame($utf8, core_text::convert($str, 'ISO-2022-JP', 'utf-8'));
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$this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8'));
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$str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS
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$this->assertSame($str, core_text::convert($utf8, 'utf-8', 'SHIFT-JIS'));
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$this->assertSame($utf8, core_text::convert($str, 'SHIFT-JIS', 'utf-8'));
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$this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8'));
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$utf8 = '简体中文';
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312
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$this->assertSame($str, core_text::convert($utf8, 'utf-8', 'GB2312'));
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$this->assertSame($utf8, core_text::convert($str, 'GB2312', 'utf-8'));
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$this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8'));
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030
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$this->assertSame($str, core_text::convert($utf8, 'utf-8', 'GB18030'));
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$this->assertSame($utf8, core_text::convert($str, 'GB18030', 'utf-8'));
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$this->assertSame($utf8, core_text::convert($utf8, 'utf-8', 'utf-8'));
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$utf8 = "Žluťoučký koníček";
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$this->assertSame('Zlutoucky konicek', core_text::convert($utf8, 'utf-8', 'ascii'));
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$this->assertSame($utf8, core_text::convert($utf8.chr(130), 'utf-8', 'utf-8'));
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$utf8 = "Der eine stößt den Speer zum Mann";
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$this->assertSame('Der eine stoesst den Speer zum Mann', core_text::convert($utf8, 'utf-8', 'ascii'));
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$iso1 = core_text::convert($utf8, 'utf-8', 'iso-8859-1');
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$this->assertSame('Der eine stoesst den Speer zum Mann', core_text::convert($iso1, 'iso-8859-1', 'ascii'));
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}
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/**
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* Tests the static sub string method.
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*/
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public function test_substr() {
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$str = "Žluťoučký koníček";
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$this->assertSame($str, core_text::substr($str, 0));
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$this->assertSame('luťoučký koníček', core_text::substr($str, 1));
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$this->assertSame('luť', core_text::substr($str, 1, 3));
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$this->assertSame($str, core_text::substr($str, 0, 100));
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$this->assertSame('če', core_text::substr($str, -3, 2));
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$iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b");
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$this->assertSame(core_text::convert('luť', 'utf-8', 'iso-8859-2'), core_text::substr($iso2, 1, 3, 'iso-8859-2'));
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$this->assertSame(core_text::convert($str, 'utf-8', 'iso-8859-2'), core_text::substr($iso2, 0, 100, 'iso-8859-2'));
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$this->assertSame(core_text::convert('če', 'utf-8', 'iso-8859-2'), core_text::substr($iso2, -3, 2, 'iso-8859-2'));
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$win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b");
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$this->assertSame(core_text::convert('luť', 'utf-8', 'cp1250'), core_text::substr($win, 1, 3, 'cp1250'));
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$this->assertSame(core_text::convert($str, 'utf-8', 'cp1250'), core_text::substr($win, 0, 100, 'cp1250'));
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$this->assertSame(core_text::convert('če', 'utf-8', 'cp1250'), core_text::substr($win, -3, 2, 'cp1250'));
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$str = pack("H*", "b8c0b8ecc0dfc4ea"); // EUC-JP
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$s = pack("H*", "b8ec"); // EUC-JP
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$this->assertSame($s, core_text::substr($str, 1, 1, 'EUC-JP'));
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$str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP
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$s = pack("H*", "1b2442386c1b2842"); // ISO-2022-JP
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$this->assertSame($s, core_text::substr($str, 1, 1, 'ISO-2022-JP'));
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$str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS
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$s = pack("H*", "8cea"); // SHIFT-JIS
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$this->assertSame($s, core_text::substr($str, 1, 1, 'SHIFT-JIS'));
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312
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$s = pack("H*", "cce5"); // GB2312
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$this->assertSame($s, core_text::substr($str, 1, 1, 'GB2312'));
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030
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$s = pack("H*", "cce5"); // GB18030
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$this->assertSame($s, core_text::substr($str, 1, 1, 'GB18030'));
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}
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/**
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* Tests the static string length method.
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*/
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public function test_strlen() {
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$str = "Žluťoučký koníček";
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$this->assertSame(17, core_text::strlen($str));
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$iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b");
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$this->assertSame(17, core_text::strlen($iso2, 'iso-8859-2'));
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$win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b");
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$this->assertSame(17, core_text::strlen($win, 'cp1250'));
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$str = pack("H*", "b8ec"); // EUC-JP
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$this->assertSame(1, core_text::strlen($str, 'EUC-JP'));
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$str = pack("H*", "b8c0b8ecc0dfc4ea"); // EUC-JP
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$this->assertSame(4, core_text::strlen($str, 'EUC-JP'));
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$str = pack("H*", "1b2442386c1b2842"); // ISO-2022-JP
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$this->assertSame(1, core_text::strlen($str, 'ISO-2022-JP'));
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$str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP
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$this->assertSame(4, core_text::strlen($str, 'ISO-2022-JP'));
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$str = pack("H*", "8cea"); // SHIFT-JIS
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$this->assertSame(1, core_text::strlen($str, 'SHIFT-JIS'));
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$str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS
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$this->assertSame(4, core_text::strlen($str, 'SHIFT-JIS'));
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$str = pack("H*", "cce5"); // GB2312
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$this->assertSame(1, core_text::strlen($str, 'GB2312'));
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312
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$this->assertSame(4, core_text::strlen($str, 'GB2312'));
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$str = pack("H*", "cce5"); // GB18030
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$this->assertSame(1, core_text::strlen($str, 'GB18030'));
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030
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$this->assertSame(4, core_text::strlen($str, 'GB18030'));
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}
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/**
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* Test unicode safe string truncation.
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*/
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public function test_str_max_bytes() {
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// These are all 3 byte characters, so this is a 12-byte string.
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$str = '言語設定';
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$this->assertEquals(12, strlen($str));
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// Step back, shortening the string 1 byte at a time. Should remove in 1 char chunks.
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$conv = core_text::str_max_bytes($str, 12);
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$this->assertEquals(12, strlen($conv));
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$this->assertSame('言語設定', $conv);
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$conv = core_text::str_max_bytes($str, 11);
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$this->assertEquals(9, strlen($conv));
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$this->assertSame('言語設', $conv);
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$conv = core_text::str_max_bytes($str, 10);
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$this->assertEquals(9, strlen($conv));
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$this->assertSame('言語設', $conv);
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$conv = core_text::str_max_bytes($str, 9);
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$this->assertEquals(9, strlen($conv));
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$this->assertSame('言語設', $conv);
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$conv = core_text::str_max_bytes($str, 8);
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$this->assertEquals(6, strlen($conv));
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$this->assertSame('言語', $conv);
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// Now try a mixed byte string.
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$str = '言語設a定';
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$this->assertEquals(13, strlen($str));
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$conv = core_text::str_max_bytes($str, 11);
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$this->assertEquals(10, strlen($conv));
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$this->assertSame('言語設a', $conv);
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$conv = core_text::str_max_bytes($str, 10);
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$this->assertEquals(10, strlen($conv));
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$this->assertSame('言語設a', $conv);
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$conv = core_text::str_max_bytes($str, 9);
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$this->assertEquals(9, strlen($conv));
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$this->assertSame('言語設', $conv);
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$conv = core_text::str_max_bytes($str, 8);
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$this->assertEquals(6, strlen($conv));
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$this->assertSame('言語', $conv);
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// Test 0 byte case.
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$conv = core_text::str_max_bytes($str, 0);
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$this->assertEquals(0, strlen($conv));
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$this->assertSame('', $conv);
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}
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/**
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* Tests the static strtolower method.
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*/
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public function test_strtolower() {
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$str = "Žluťoučký koníček";
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$low = 'žluťoučký koníček';
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$this->assertSame($low, core_text::strtolower($str));
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$iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b");
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$this->assertSame(core_text::convert($low, 'utf-8', 'iso-8859-2'), core_text::strtolower($iso2, 'iso-8859-2'));
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$win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b");
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$this->assertSame(core_text::convert($low, 'utf-8', 'cp1250'), core_text::strtolower($win, 'cp1250'));
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$str = '言語設定';
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$this->assertSame($str, core_text::strtolower($str));
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$str = '简体中文';
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$this->assertSame($str, core_text::strtolower($str));
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$str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP
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$this->assertSame($str, core_text::strtolower($str, 'ISO-2022-JP'));
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$str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS
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$this->assertSame($str, core_text::strtolower($str, 'SHIFT-JIS'));
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312
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$this->assertSame($str, core_text::strtolower($str, 'GB2312'));
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030
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$this->assertSame($str, core_text::strtolower($str, 'GB18030'));
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// Typo3 has problems with integers.
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$str = 1309528800;
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$this->assertSame((string)$str, core_text::strtolower($str));
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}
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/**
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* Tests the static strtoupper.
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*/
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public function test_strtoupper() {
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$str = "Žluťoučký koníček";
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$up = 'ŽLUŤOUČKÝ KONÍČEK';
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$this->assertSame($up, core_text::strtoupper($str));
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$iso2 = pack("H*", "ae6c75bb6f75e86bfd206b6f6eede8656b");
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$this->assertSame(core_text::convert($up, 'utf-8', 'iso-8859-2'), core_text::strtoupper($iso2, 'iso-8859-2'));
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$win = pack("H*", "8e6c759d6f75e86bfd206b6f6eede8656b");
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$this->assertSame(core_text::convert($up, 'utf-8', 'cp1250'), core_text::strtoupper($win, 'cp1250'));
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$str = '言語設定';
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$this->assertSame($str, core_text::strtoupper($str));
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$str = '简体中文';
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$this->assertSame($str, core_text::strtoupper($str));
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$str = pack("H*", "1b24423840386c405f446a1b2842"); // ISO-2022-JP
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$this->assertSame($str, core_text::strtoupper($str, 'ISO-2022-JP'));
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$str = pack("H*", "8cbe8cea90dd92e8"); // SHIFT-JIS
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$this->assertSame($str, core_text::strtoupper($str, 'SHIFT-JIS'));
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB2312
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$this->assertSame($str, core_text::strtoupper($str, 'GB2312'));
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$str = pack("H*", "bcf2cce5d6d0cec4"); // GB18030
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$this->assertSame($str, core_text::strtoupper($str, 'GB18030'));
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}
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/**
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* Test the strrev method.
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*/
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public function test_strrev() {
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$strings = array(
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"Žluťoučký koníček" => "kečínok ýkčuoťulŽ",
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'ŽLUŤOUČKÝ KONÍČEK' => "KEČÍNOK ÝKČUOŤULŽ",
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'言語設定' => '定設語言',
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'简体中文' => '文中体简',
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"Der eine stößt den Speer zum Mann" => "nnaM muz reepS ned tßöts enie reD"
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);
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foreach ($strings as $before => $after) {
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// Make sure we can reverse it both ways and that it comes out the same.
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$this->assertSame($after, core_text::strrev($before));
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$this->assertSame($before, core_text::strrev($after));
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// Reverse it twice to be doubly sure.
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$this->assertSame($after, core_text::strrev(core_text::strrev($after)));
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}
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}
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/**
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* Tests the static strpos method.
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*/
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public function test_strpos() {
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$str = "Žluťoučký koníček";
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$this->assertSame(10, core_text::strpos($str, 'koníč'));
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}
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/**
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* Tests the static strrpos.
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*/
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public function test_strrpos() {
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$str = "Žluťoučký koníček";
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$this->assertSame(11, core_text::strrpos($str, 'o'));
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}
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/**
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* Tests the static specialtoascii method.
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*/
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public function test_specialtoascii() {
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$str = "Žluťoučký koníček";
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$this->assertSame('Zlutoucky konicek', core_text::specialtoascii($str));
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}
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/**
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* Tests the static encode_mimeheader method.
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* This also tests method moodle_phpmailer::encodeHeader that calls core_text::encode_mimeheader
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*/
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public function test_encode_mimeheader() {
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global $CFG;
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require_once($CFG->libdir.'/phpmailer/moodle_phpmailer.php');
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$mailer = new moodle_phpmailer();
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// Encode short string with non-latin characters.
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$str = "Žluťoučký koníček";
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$encodedstr = '=?utf-8?B?xb1sdcWlb3XEjWvDvSBrb27DrcSNZWs=?=';
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$this->assertSame($encodedstr, core_text::encode_mimeheader($str));
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$this->assertSame($encodedstr, $mailer->encodeHeader($str));
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$this->assertSame('"' . $encodedstr . '"', $mailer->encodeHeader($str, 'phrase'));
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// Encode short string without non-latin characters. Make sure the quotes are escaped in quoted email headers.
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$latinstr = 'text"with quotes';
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$this->assertSame($latinstr, core_text::encode_mimeheader($latinstr));
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$this->assertSame($latinstr, $mailer->encodeHeader($latinstr));
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$this->assertSame('"text\\"with quotes"', $mailer->encodeHeader($latinstr, 'phrase'));
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// Encode long string without non-latin characters.
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$longlatinstr = 'This is a very long text that still should not be split into several lines in the email headers because '.
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'it does not have any non-latin characters. The "quotes" and \\backslashes should be escaped only if it\'s a part of email address';
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$this->assertSame($longlatinstr, core_text::encode_mimeheader($longlatinstr));
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$this->assertSame($longlatinstr, $mailer->encodeHeader($longlatinstr));
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$longlatinstrwithslash = preg_replace(['/\\\\/', "/\"/"], ['\\\\\\', '\\"'], $longlatinstr);
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$this->assertSame('"' . $longlatinstrwithslash . '"', $mailer->encodeHeader($longlatinstr, 'phrase'));
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|
|
|
// Encode long string with non-latin characters.
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$longstr = "Неопознанная ошибка в файле C:\\tmp\\: \"Не пользуйтесь виндоуз\"";
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|
$encodedlongstr = "=?utf-8?B?0J3QtdC+0L/QvtC30L3QsNC90L3QsNGPINC+0YjQuNCx0LrQsCDQsiDRhNCw?=
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|
=?utf-8?B?0LnQu9C1IEM6XHRtcFw6ICLQndC1INC/0L7Qu9GM0LfRg9C50YLQtdGB?=
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|
=?utf-8?B?0Ywg0LLQuNC90LTQvtGD0Lci?=";
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$this->assertSame($encodedlongstr, $mailer->encodeHeader($longstr));
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$this->assertSame('"' . $encodedlongstr . '"', $mailer->encodeHeader($longstr, 'phrase'));
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}
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|
|
|
/**
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|
* Tests the static entities_to_utf8 method.
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|
*/
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|
public function test_entities_to_utf8() {
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$str = "Žluťoučký koníček©"&<>§«";
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$this->assertSame("Žluťoučký koníček©\"&<>§«", core_text::entities_to_utf8($str));
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}
|
|
|
|
/**
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|
* Tests the static utf8_to_entities method.
|
|
*/
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|
public function test_utf8_to_entities() {
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|
$str = "Žluťoučký koníček©"&<>§«";
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|
$this->assertSame("Žluťoučký koníček©"&<>§«", core_text::utf8_to_entities($str));
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|
$this->assertSame("Žluťoučký koníček©"&<>§«", core_text::utf8_to_entities($str, true));
|
|
|
|
$str = "Žluťoučký koníček©"&<>§«";
|
|
$this->assertSame("Žluťoučký koníček©\"&<>§«", core_text::utf8_to_entities($str, false, true));
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|
$this->assertSame("Žluťoučký koníček©\"&<>§«", core_text::utf8_to_entities($str, true, true));
|
|
}
|
|
|
|
/**
|
|
* Tests the static trim_utf8_bom method.
|
|
*/
|
|
public function test_trim_utf8_bom() {
|
|
$bom = "\xef\xbb\xbf";
|
|
$str = "Žluťoučký koníček";
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|
$this->assertSame($str.$bom, core_text::trim_utf8_bom($bom.$str.$bom));
|
|
}
|
|
|
|
/**
|
|
* Tests the static remove_unicode_non_characters method.
|
|
*/
|
|
public function test_remove_unicode_non_characters() {
|
|
// Confirm that texts which don't contain these characters are unchanged.
|
|
$this->assertSame('Frogs!', core_text::remove_unicode_non_characters('Frogs!'));
|
|
|
|
// Even if they contain some very scary characters.
|
|
$example = html_entity_decode('A�𝅘𝅥B');
|
|
$this->assertSame($example, core_text::remove_unicode_non_characters($example));
|
|
|
|
// Non-characters are removed wherever they may be, with other characters left.
|
|
$example = html_entity_decode('ABCD�E');
|
|
$expected = html_entity_decode('ABCD�E');
|
|
$this->assertSame($expected, core_text::remove_unicode_non_characters($example));
|
|
|
|
// If you only have a non-character, you get empty string.
|
|
$example = html_entity_decode('');
|
|
$this->assertSame('', core_text::remove_unicode_non_characters($example));
|
|
}
|
|
|
|
/**
|
|
* Tests the static get_encodings method.
|
|
*/
|
|
public function test_get_encodings() {
|
|
$encodings = core_text::get_encodings();
|
|
$this->assertTrue(is_array($encodings));
|
|
$this->assertTrue(count($encodings) > 1);
|
|
$this->assertTrue(isset($encodings['UTF-8']));
|
|
}
|
|
|
|
/**
|
|
* Tests the static code2utf8 method.
|
|
*/
|
|
public function test_code2utf8() {
|
|
$this->assertSame('Ž', core_text::code2utf8(381));
|
|
}
|
|
|
|
/**
|
|
* Tests the static utf8ord method.
|
|
*/
|
|
public function test_utf8ord() {
|
|
$this->assertSame(ord(''), core_text::utf8ord(''));
|
|
$this->assertSame(ord('f'), core_text::utf8ord('f'));
|
|
$this->assertSame(0x03B1, core_text::utf8ord('α'));
|
|
$this->assertSame(0x0439, core_text::utf8ord('й'));
|
|
$this->assertSame(0x2FA1F, core_text::utf8ord(''));
|
|
$this->assertSame(381, core_text::utf8ord('Ž'));
|
|
}
|
|
|
|
/**
|
|
* Tests the static strtotitle method.
|
|
*/
|
|
public function test_strtotitle() {
|
|
$str = "žluťoučký koníček";
|
|
$this->assertSame("Žluťoučký Koníček", core_text::strtotitle($str));
|
|
}
|
|
|
|
/**
|
|
* Test strrchr.
|
|
*/
|
|
public function test_strrchr() {
|
|
$str = "Žluťoučký koníček";
|
|
$this->assertSame('koníček', core_text::strrchr($str, 'koní'));
|
|
$this->assertSame('Žluťoučký ', core_text::strrchr($str, 'koní', true));
|
|
$this->assertFalse(core_text::strrchr($str, 'A'));
|
|
$this->assertFalse(core_text::strrchr($str, 'ç', true));
|
|
}
|
|
}
|
|
|
|
|