aboutsummaryrefslogtreecommitdiffstats
path: root/lib/htmlpurifier/tests/HTMLPurifier/EncoderTest.php
diff options
context:
space:
mode:
Diffstat (limited to 'lib/htmlpurifier/tests/HTMLPurifier/EncoderTest.php')
-rw-r--r--lib/htmlpurifier/tests/HTMLPurifier/EncoderTest.php215
1 files changed, 215 insertions, 0 deletions
diff --git a/lib/htmlpurifier/tests/HTMLPurifier/EncoderTest.php b/lib/htmlpurifier/tests/HTMLPurifier/EncoderTest.php
new file mode 100644
index 000000000..6084c39f3
--- /dev/null
+++ b/lib/htmlpurifier/tests/HTMLPurifier/EncoderTest.php
@@ -0,0 +1,215 @@
+<?php
+
+class HTMLPurifier_EncoderTest extends HTMLPurifier_Harness
+{
+
+ protected $_entity_lookup;
+
+ function setUp() {
+ $this->_entity_lookup = HTMLPurifier_EntityLookup::instance();
+ parent::setUp();
+ }
+
+ function assertCleanUTF8($string, $expect = null) {
+ if ($expect === null) $expect = $string;
+ $this->assertIdentical(HTMLPurifier_Encoder::cleanUTF8($string), $expect, 'iconv: %s');
+ $this->assertIdentical(HTMLPurifier_Encoder::cleanUTF8($string, true), $expect, 'PHP: %s');
+ }
+
+ function test_cleanUTF8() {
+ $this->assertCleanUTF8('Normal string.');
+ $this->assertCleanUTF8("Test\tAllowed\nControl\rCharacters");
+ $this->assertCleanUTF8("null byte: \0", 'null byte: ');
+ $this->assertCleanUTF8("\1\2\3\4\5\6\7", '');
+ $this->assertCleanUTF8("\x7F", ''); // one byte invalid SGML char
+ $this->assertCleanUTF8("\xC2\x80", ''); // two byte invalid SGML
+ $this->assertCleanUTF8("\xF3\xBF\xBF\xBF"); // valid four byte
+ $this->assertCleanUTF8("\xDF\xFF", ''); // malformed UTF8
+ // invalid codepoints
+ $this->assertCleanUTF8("\xED\xB0\x80", '');
+ }
+
+ function test_convertToUTF8_noConvert() {
+ // UTF-8 means that we don't touch it
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertToUTF8("\xF6", $this->config, $this->context),
+ "\xF6", // this is invalid
+ 'Expected identical [Binary: F6]'
+ );
+ }
+
+ function test_convertToUTF8_spuriousEncoding() {
+ $this->config->set('Core.Encoding', 'utf99');
+ $this->expectError('Invalid encoding utf99');
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertToUTF8("\xF6", $this->config, $this->context),
+ ''
+ );
+ }
+
+ function test_convertToUTF8_iso8859_1() {
+ $this->config->set('Core.Encoding', 'ISO-8859-1');
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertToUTF8("\xF6", $this->config, $this->context),
+ "\xC3\xB6"
+ );
+ }
+
+ function test_convertToUTF8_withoutIconv() {
+ $this->config->set('Core.Encoding', 'ISO-8859-1');
+ $this->config->set('Test.ForceNoIconv', true);
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertToUTF8("\xF6", $this->config, $this->context),
+ "\xC3\xB6"
+ );
+
+ }
+
+ function getZhongWen() {
+ return "\xE4\xB8\xAD\xE6\x96\x87 (Chinese)";
+ }
+
+ function test_convertFromUTF8_utf8() {
+ // UTF-8 means that we don't touch it
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertFromUTF8("\xC3\xB6", $this->config, $this->context),
+ "\xC3\xB6"
+ );
+ }
+
+ function test_convertFromUTF8_iso8859_1() {
+ $this->config->set('Core.Encoding', 'ISO-8859-1');
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertFromUTF8("\xC3\xB6", $this->config, $this->context),
+ "\xF6",
+ 'Expected identical [Binary: F6]'
+ );
+ }
+
+ function test_convertFromUTF8_iconvNoChars() {
+ if (!function_exists('iconv')) return;
+ $this->config->set('Core.Encoding', 'ISO-8859-1');
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertFromUTF8($this->getZhongWen(), $this->config, $this->context),
+ " (Chinese)"
+ );
+ }
+
+ function test_convertFromUTF8_phpNormal() {
+ // Plain PHP implementation has slightly different behavior
+ $this->config->set('Core.Encoding', 'ISO-8859-1');
+ $this->config->set('Test.ForceNoIconv', true);
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertFromUTF8("\xC3\xB6", $this->config, $this->context),
+ "\xF6",
+ 'Expected identical [Binary: F6]'
+ );
+ }
+
+ function test_convertFromUTF8_phpNoChars() {
+ $this->config->set('Core.Encoding', 'ISO-8859-1');
+ $this->config->set('Test.ForceNoIconv', true);
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertFromUTF8($this->getZhongWen(), $this->config, $this->context),
+ "?? (Chinese)"
+ );
+ }
+
+ function test_convertFromUTF8_withProtection() {
+ // Preserve the characters!
+ $this->config->set('Core.Encoding', 'ISO-8859-1');
+ $this->config->set('Core.EscapeNonASCIICharacters', true);
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertFromUTF8($this->getZhongWen(), $this->config, $this->context),
+ "&#20013;&#25991; (Chinese)"
+ );
+ }
+
+ function test_convertFromUTF8_withProtectionButUtf8() {
+ // Preserve the characters!
+ $this->config->set('Core.EscapeNonASCIICharacters', true);
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertFromUTF8($this->getZhongWen(), $this->config, $this->context),
+ "&#20013;&#25991; (Chinese)"
+ );
+ }
+
+ function test_convertToASCIIDumbLossless() {
+
+ // Uppercase thorn letter
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertToASCIIDumbLossless("\xC3\x9Eorn"),
+ "&#222;orn"
+ );
+
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertToASCIIDumbLossless("an"),
+ "an"
+ );
+
+ // test up to four bytes
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertToASCIIDumbLossless("\xF3\xA0\x80\xA0"),
+ "&#917536;"
+ );
+
+ }
+
+ function assertASCIISupportCheck($enc, $ret) {
+ $test = HTMLPurifier_Encoder::testEncodingSupportsASCII($enc, true);
+ if ($test === false) return;
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::testEncodingSupportsASCII($enc),
+ $ret
+ );
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::testEncodingSupportsASCII($enc, true),
+ $ret
+ );
+ }
+
+ function test_testEncodingSupportsASCII() {
+ $this->assertASCIISupportCheck('Shift_JIS', array("\xC2\xA5" => '\\', "\xE2\x80\xBE" => '~'));
+ $this->assertASCIISupportCheck('JOHAB', array("\xE2\x82\xA9" => '\\'));
+ $this->assertASCIISupportCheck('ISO-8859-1', array());
+ $this->assertASCIISupportCheck('dontexist', array()); // canary
+ }
+
+ function testShiftJIS() {
+ if (!function_exists('iconv')) return;
+ $this->config->set('Core.Encoding', 'Shift_JIS');
+ // This actually looks like a Yen, but we're going to treat it differently
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertFromUTF8('\\~', $this->config, $this->context),
+ '\\~'
+ );
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertToUTF8('\\~', $this->config, $this->context),
+ '\\~'
+ );
+ }
+
+ function testIconvTruncateBug() {
+ if (!function_exists('iconv')) return;
+ if (HTMLPurifier_Encoder::testIconvTruncateBug() !== HTMLPurifier_Encoder::ICONV_TRUNCATES) return;
+ $this->config->set('Core.Encoding', 'ISO-8859-1');
+ $this->assertIdentical(
+ HTMLPurifier_Encoder::convertFromUTF8("\xE4\xB8\xAD" . str_repeat('a', 10000), $this->config, $this->context),
+ str_repeat('a', 10000)
+ );
+ }
+
+ function testIconvChunking() {
+ if (!function_exists('iconv')) return;
+ if (HTMLPurifier_Encoder::testIconvTruncateBug() !== HTMLPurifier_Encoder::ICONV_TRUNCATES) return;
+ $this->assertIdentical(HTMLPurifier_Encoder::iconv('utf-8', 'iso-8859-1//IGNORE', "a\xF3\xA0\x80\xA0b", 4), 'ab');
+ $this->assertIdentical(HTMLPurifier_Encoder::iconv('utf-8', 'iso-8859-1//IGNORE', "aa\xE4\xB8\xADb", 4), 'aab');
+ $this->assertIdentical(HTMLPurifier_Encoder::iconv('utf-8', 'iso-8859-1//IGNORE', "aaa\xCE\xB1b", 4), 'aaab');
+ $this->assertIdentical(HTMLPurifier_Encoder::iconv('utf-8', 'iso-8859-1//IGNORE', "aaaa\xF3\xA0\x80\xA0b", 4), 'aaaab');
+ $this->assertIdentical(HTMLPurifier_Encoder::iconv('utf-8', 'iso-8859-1//IGNORE', "aaaa\xE4\xB8\xADb", 4), 'aaaab');
+ $this->assertIdentical(HTMLPurifier_Encoder::iconv('utf-8', 'iso-8859-1//IGNORE', "aaaa\xCE\xB1b", 4), 'aaaab');
+ }
+
+}
+
+// vim: et sw=4 sts=4
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 07:24:27 +0000