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<?php
/**
* @copyright Copyright (c) 2020, Daniel Calviño Sánchez (danxuliu@gmail.com)
*
* @author Daniel Calviño Sánchez <danxuliu@gmail.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
use Behat\Gherkin\Node\TableNode;
use PHPUnit\Framework\Assert;
require __DIR__ . '/../../vendor/autoload.php';
trait Avatar {
/** @var string **/
private $lastAvatar;
/** @AfterScenario **/
public function cleanupLastAvatar() {
$this->lastAvatar = null;
}
private function getLastAvatar() {
$this->lastAvatar = '';
$body = $this->response->getBody();
while (!$body->eof()) {
$this->lastAvatar .= $body->read(8192);
}
$body->close();
}
/**
* @When user :user gets avatar for user :userAvatar
*
* @param string $user
* @param string $userAvatar
*/
public function userGetsAvatarForUser(string $user, string $userAvatar) {
$this->userGetsAvatarForUserWithSize($user, $userAvatar, '128');
}
/**
* @When user :user gets avatar for user :userAvatar with size :size
*
* @param string $user
* @param string $userAvatar
* @param string $size
*/
public function userGetsAvatarForUserWithSize(string $user, string $userAvatar, string $size) {
$this->asAn($user);
$this->sendingToDirectUrl('GET', '/index.php/avatar/' . $userAvatar . '/' . $size);
$this->theHTTPStatusCodeShouldBe('200');
$this->getLastAvatar();
}
/**
* @When user :user gets avatar for guest :guestAvatar
*
* @param string $user
* @param string $guestAvatar
*/
public function userGetsAvatarForGuest(string $user, string $guestAvatar) {
$this->asAn($user);
$this->sendingToDirectUrl('GET', '/index.php/avatar/guest/' . $guestAvatar . '/128');
$this->theHTTPStatusCodeShouldBe('201');
$this->getLastAvatar();
}
/**
* @When logged in user gets temporary avatar
*/
public function loggedInUserGetsTemporaryAvatar() {
$this->loggedInUserGetsTemporaryAvatarWith('200');
}
/**
* @When logged in user gets temporary avatar with :statusCode
*
* @param string $statusCode
*/
public function loggedInUserGetsTemporaryAvatarWith(string $statusCode) {
$this->sendingAToWithRequesttoken('GET', '/index.php/avatar/tmp');
$this->theHTTPStatusCodeShouldBe($statusCode);
$this->getLastAvatar();
}
/**
* @When logged in user posts temporary avatar from file :source
*
* @param string $source
*/
public function loggedInUserPostsTemporaryAvatarFromFile(string $source) {
$file = \GuzzleHttp\Psr7\Utils::streamFor(fopen($source, 'r'));
$this->sendingAToWithRequesttoken('POST', '/index.php/avatar',
[
'multipart' => [
[
'name' => 'files[]',
'contents' => $file
]
]
]);
$this->theHTTPStatusCodeShouldBe('200');
}
/**
* @When logged in user posts temporary avatar from internal path :path
*
* @param string $path
*/
public function loggedInUserPostsTemporaryAvatarFromInternalPath(string $path) {
$this->sendingAToWithRequesttoken('POST', '/index.php/avatar?path=' . $path);
$this->theHTTPStatusCodeShouldBe('200');
}
/**
* @When logged in user crops temporary avatar
*
* @param TableNode $crop
*/
public function loggedInUserCropsTemporaryAvatar(TableNode $crop) {
$this->loggedInUserCropsTemporaryAvatarWith('200', $crop);
}
/**
* @When logged in user crops temporary avatar with :statusCode
*
* @param string $statusCode
* @param TableNode $crop
*/
public function loggedInUserCropsTemporaryAvatarWith(string $statusCode, TableNode $crop) {
$parameters = [];
foreach ($crop->getRowsHash() as $key => $value) {
$parameters[] = 'crop[' . $key . ']=' . $value;
}
$this->sendingAToWithRequesttoken('POST', '/index.php/avatar/cropped?' . implode('&', $parameters));
$this->theHTTPStatusCodeShouldBe($statusCode);
}
/**
* @When logged in user deletes the user avatar
*/
public function loggedInUserDeletesTheUserAvatar() {
$this->sendingAToWithRequesttoken('DELETE', '/index.php/avatar');
$this->theHTTPStatusCodeShouldBe('200');
}
/**
* @Then last avatar is a square of size :size
*
* @param string size
*/
public function lastAvatarIsASquareOfSize(string $size) {
[$width, $height] = getimagesizefromstring($this->lastAvatar);
Assert::assertEquals($width, $height, 'Expected avatar to be a square');
Assert::assertEquals($size, $width);
}
/**
* @Then last avatar is not a square
*/
public function lastAvatarIsNotASquare() {
[$width, $height] = getimagesizefromstring($this->lastAvatar);
Assert::assertNotEquals($width, $height, 'Expected avatar to not be a square');
}
/**
* @Then last avatar is not a single color
*/
public function lastAvatarIsNotASingleColor() {
Assert::assertEquals(null, $this->getColorFromLastAvatar());
}
/**
* @Then last avatar is a single :color color
*
* @param string $color
* @param string $size
*/
public function lastAvatarIsASingleColor(string $color) {
$expectedColor = $this->hexStringToRgbColor($color);
$colorFromLastAvatar = $this->getColorFromLastAvatar();
Assert::assertTrue($this->isSameColor($expectedColor, $colorFromLastAvatar),
$this->rgbColorToHexString($colorFromLastAvatar) . ' does not match expected ' . $color);
}
private function hexStringToRgbColor($hexString) {
// Strip initial "#"
$hexString = substr($hexString, 1);
$rgbColorInt = hexdec($hexString);
// RGBA hex strings are not supported; the given string is assumed to be
// an RGB hex string.
return [
'red' => ($rgbColorInt >> 16) & 0xFF,
'green' => ($rgbColorInt >> 8) & 0xFF,
'blue' => $rgbColorInt & 0xFF,
'alpha' => 0
];
}
private function rgbColorToHexString($rgbColor) {
$rgbColorInt = ($rgbColor['red'] << 16) + ($rgbColor['green'] << 8) + ($rgbColor['blue']);
return '#' . str_pad(strtoupper(dechex($rgbColorInt)), 6, '0', STR_PAD_LEFT);
}
private function getColorFromLastAvatar() {
$image = imagecreatefromstring($this->lastAvatar);
$firstPixelColorIndex = imagecolorat($image, 0, 0);
$firstPixelColor = imagecolorsforindex($image, $firstPixelColorIndex);
for ($i = 0; $i < imagesx($image); $i++) {
for ($j = 0; $j < imagesx($image); $j++) {
$currentPixelColorIndex = imagecolorat($image, $i, $j);
$currentPixelColor = imagecolorsforindex($image, $currentPixelColorIndex);
// The colors are compared with a small allowed delta, as even
// on solid color images the resizing can cause some small
// artifacts that slightly modify the color of certain pixels.
if (!$this->isSameColor($firstPixelColor, $currentPixelColor)) {
imagedestroy($image);
return null;
}
}
}
imagedestroy($image);
return $firstPixelColor;
}
private function isSameColor(array $firstColor, array $secondColor, int $allowedDelta = 1) {
if ($this->isSameColorComponent($firstColor['red'], $secondColor['red'], $allowedDelta) &&
$this->isSameColorComponent($firstColor['green'], $secondColor['green'], $allowedDelta) &&
$this->isSameColorComponent($firstColor['blue'], $secondColor['blue'], $allowedDelta) &&
$this->isSameColorComponent($firstColor['alpha'], $secondColor['alpha'], $allowedDelta)) {
return true;
}
return false;
}
private function isSameColorComponent(int $firstColorComponent, int $secondColorComponent, int $allowedDelta) {
if ($firstColorComponent >= ($secondColorComponent - $allowedDelta) &&
$firstColorComponent <= ($secondColorComponent + $allowedDelta)) {
return true;
}
return false;
}
}
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