tests.php

<?php /** @noinspection PhpUnused PhpUnhandledExceptionInspection PhpRedundantOptionalArgumentInspection */
namespace Email;
require "vendor/autoload.php";
use Nose;

function testQuotedPrintable()
{
	foreach([
		"Hêlló, wörld!",
		"Hello,\r\nworld!",
		"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", // 76 characters
		"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", // 77 characters
		"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaö", // 75 characters + special character
	] as $sample)
	{
		Nose::assertEquals($sample, EncodingQuotedPrintable::decode(EncodingQuotedPrintable::encode($sample)));
	}
}

function testEncodedWords()
{
	foreach([
		"=?UTF-8?B?VGhpcyBpcyBhIGhvcnNleTog8J+Qjg==?=",
		"=?UTF-8?Q?This_is_a_horsey:_=F0=9F=90=8E?=",
	] as $subject)
	{
		$email = new Email([
			"Subject: $subject"
		]);
		Nose::assertEquals($email->getSubject(), "This is a horsey: \u{0001F40E}");
	}
}

function testAddressParsing()
{
	// DO NOT SEND EMAILS TO php-mail-transfer@nirvana.admins.ws
	// This is a trap for spam crawlers!
	$str = "Test <php-mail-transfer@nirvana.admins.ws>";
	$address = new Address($str, null);
	Nose::assertEquals($address->__toString(), $str);
	Nose::assertEquals($address->name, "Test");
	Nose::assertEquals($address->address, "php-mail-transfer@nirvana.admins.ws");
	Nose::assertEquals((new Address("<php-mail-transfer@nirvana.admins.ws>"))->address, "php-mail-transfer@nirvana.admins.ws");
}

function testHeaderCasing()
{
	$headers = [
		"From",
		"To",
		"Date",
		"MIME-Version",
		"Content-Type",
		"Content-Transfer-Encoding",
		"Subject",
		"DKIM-Signature",
		"Message-ID",
		"In-Reply-To",
		"References",
	];
	foreach($headers as $header)
	{
		Nose::assertEquals(Email::normaliseHeaderCasing(strtolower($header)), $header);
	}
}

function testSmtpData()
{
	$email = new Email([
		"Test: ".str_repeat("a", 50)." ".str_repeat("a", 50)
	], new ContentTextPlain(str_repeat("a", 200)));
	$smtp_data = $email->getSmtpData(78);
	foreach(explode("\r\n", $smtp_data) as $line)
	{
		Nose::assertTrue(strlen($line) <= 80);
	}
	$email_from_data = Email::fromSmtpData($smtp_data);
	Nose::assertEquals($email->getFirstHeaderValue("Test"), $email_from_data->getFirstHeaderValue("Test"));
	Nose::assertEquals($email->content->text, $email_from_data->content->text);
}

function testUnfoldableHeader()
{
	$email = new Email([
		"Test" => str_repeat("a", 200)
	]);
	$smtp_data = $email->getSmtpData(78);
	$i = 0;
	foreach(explode("\r\n", $smtp_data) as $line)
	{
		if($line)
		{
			$i = 0;
		}
		else
		{
			Nose::assertTrue(++$i < 3);
		}
	}
}

function testNlSmtpData()
{
	$text = "Hello, this is a more nuanced text.\r\n\r\nIn that it has multiple lines.\r\n\r\nAnd somewhat lengthy text, that isn't (too) contrived.";
	$email = new Email();
	$email->content = new ContentTextPlain($text);
	$email_from_data = Email::fromSmtpData($email->getSmtpData());
	Nose::assertEquals($email_from_data->content->text, $text);
}

function testDate()
{
	$email = new Email();
	$email->setDate(1337);
	Nose::assertEquals($email->getDate(), 1337);
}

function testLookups()
{
	// With MX Record
	Nose::assertEquals(["mxresult.hell.sh"], (new Address("nobody@mxtest.hell.sh"))->getServers());
	// Without MX Record
	Nose::assertEquals(["trash-mail.com"], (new Address("nobody@trash-mail.com"))->getServers());
}