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PunyencodeAddressTest: add additional test method

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This new test method covers a range of cases where the `PHPMailer::punyencodeAddress()` method should (and does) return the original input value unchanged.

This test does not require the `mbstring` extension or `idn_to_ascii()` function to be available, which is why it has been set up as a separate test with a separate data provider.
This commit is contained in:
jrfnl 2021-06-26 00:11:50 +02:00
parent 7f6c882395
commit 09ba11ae08
1 changed files with 60 additions and 0 deletions
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60
test/PHPMailer/PunyencodeAddressTest.php
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@ -72,4 +72,64 @@ final class PunyencodeAddressTest extends TestCase
],
];
}
/**
* Test IDN to ASCII form/punycode conversion returns the original value when no conversion
* is needed or when the requirements to convert an address have not been met.
*
* @dataProvider dataPunyencodeAddressNoConversion
*
* @param string $input Input text string.
* @param string $charset The character set.
* @param string $expected Expected funtion output.
*/
public function testPunyencodeAddressNoConversion($input, $charset, $expected)
{
$this->Mail->CharSet = $charset;
// Prevent a warning about html_entity_decode() not supporting charset `us-ascii`.
if ($charset !== PHPMailer::CHARSET_ASCII) {
$input = html_entity_decode($input, ENT_COMPAT, $charset);
$expected = html_entity_decode($expected, ENT_COMPAT, $charset);
}
$result = $this->Mail->punyencodeAddress($input);
$this->assertSame($expected, $result);
}
/**
* Data provider.
*
* @return array
*/
public function dataPunyencodeAddressNoConversion()
{
return [
'ASCII' => [
'input' => 'test@example.com',
'charset' => PHPMailer::CHARSET_ASCII,
'expected' => 'test@example.com',
],
'Invalid email address' => [
'input' => 'françois@',
'charset' => PHPMailer::CHARSET_UTF8,
'expected' => 'françois@',
],
'Not an email address' => [
'input' => 'testing 1-2-3',
'charset' => PHPMailer::CHARSET_UTF8,
'expected' => 'testing 1-2-3',
],
'Empty string' => [
'input' => '',
'charset' => PHPMailer::CHARSET_UTF8,
'expected' => '',
],
'Empty charset' => [
'input' => 'test@françois.ch',
'charset' => '',
'expected' => 'test@françois.ch',
],
];
}
}