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<?php
/**
* Class EWWWIO_Utility_Tests
*
* @link https://ewww.io
* @package Ewww_Image_Optimizer
*/
/**
* Utility test cases.
*/
class EWWWIO_Utility_Tests extends WP_UnitTestCase {
/**
* Test our image results function to ensure proper formatting.
*/
function test_byte_format() {
$this->assertEquals( 'reduced by 90.0% (90 b)', strtolower( ewww_image_optimizer_image_results( 100, 10 ) ) );
$this->assertEquals( 'reduced by 29.8% (29.2 kb)', strtolower( ewww_image_optimizer_image_results( 100235, 70384 ) ) );
$this->assertEquals( 'reduced by 36.8% (1.1 mb)', strtolower( ewww_image_optimizer_image_results( 3202350, 2023840 ) ) );
}
/**
* Test the checksum function to be sure all our binaries are in the list.
*/
function test_sha256sum() {
$binaries = scandir( EWWW_IMAGE_OPTIMIZER_BINARY_PATH );
foreach ( $binaries as $binary ) {
$binary = trailingslashit( EWWW_IMAGE_OPTIMIZER_BINARY_PATH ) . $binary;
if ( ! ewwwio_is_file( $binary ) ) {
continue;
}
$this->assertTrue( ewwwio()->local->check_integrity( $binary ) );
}
}
/**
* Test the mimetype function to be sure all our binaries validate.
*/
function test_mimetype() {
$binaries = scandir( EWWW_IMAGE_OPTIMIZER_BINARY_PATH );
ewww_image_optimizer_set_option( 'ewww_image_optimizer_debug', true );
foreach ( $binaries as $binary ) {
$binary = trailingslashit( EWWW_IMAGE_OPTIMIZER_BINARY_PATH ) . $binary;
if ( ! ewwwio_is_file( $binary ) ) {
continue;
}
$this->assertTrue( (bool) ewwwio()->mimetype( $binary, 'b' ), $binary . ":\n" . str_replace( '<br>', "\n", EWWW\Base::$debug_data ) );
}
}
/**
* Tests that shell commands get escaped properly (replaces spaces in binary names).
*/
function test_shellcmdesc() {
$this->assertEquals( ewwwio()->escapeshellcmd( 'jpeg tran' ), 'jpeg\ tran' );
}
/**
* Tests that shell args get escaped properly (quotes and such).
*/
function test_shellargesc() {
$this->assertEquals( ewwwio()->escapeshellarg( "file'name" ), "'file'\\''name'" );
}
/**
* Tests that GIF animation is detected properly.
*/
function test_animated() {
$wp_upload_dir = wp_upload_dir();
$test_gif = download_url( 'https://ewwwio-test.sfo2.digitaloceanspaces.com/unit-tests/gifsiclelogo.gif' );
rename( $test_gif, $wp_upload_dir['basedir'] . wp_basename( $test_gif ) );
$test_gif = $wp_upload_dir['basedir'] . wp_basename( $test_gif );
$this->assertTrue( ewww_image_optimizer_is_animated( $test_gif ) );
unlink( $test_gif );
}
/**
* Tests that PNG transparency is detected properly.
*/
function test_transparency() {
$wp_upload_dir = wp_upload_dir();
$test_png = download_url( 'https://ewwwio-test.sfo2.digitaloceanspaces.com/unit-tests/books.png' );
rename( $test_png, $wp_upload_dir['basedir'] . wp_basename( $test_png ) );
$test_png = $wp_upload_dir['basedir'] . wp_basename( $test_png );
$this->assertTrue( ewww_image_optimizer_png_alpha( $test_png ) );
unlink( $test_png );
}
/**
* Test that EWWW IO plugin images are ignored using the filter function.
*/
function test_skipself() {
$test_image = EWWW_IMAGE_OPTIMIZER_PLUGIN_PATH . 'images/test.png';
$this->assertTrue( ewww_image_optimizer_ignore_self( false, $test_image ) );
}
/**
* Test relative path functions.
*/
function test_relative_paths() {
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_RELATIVE' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_RELATIVE', true );
}
$test_image = trailingslashit( ABSPATH ) . 'images/test.png';
$relative_test_image_path = ewww_image_optimizer_relativize_path( $test_image );
$this->assertEquals( 'ABSPATHimages/test.png', $relative_test_image_path );
$replaced_test_image = ewww_image_optimizer_absolutize_path( $relative_test_image_path );
$this->assertEquals( $test_image, $replaced_test_image );
}
/**
* Test local copy of Cloudflare IP range list.
*/
function test_cf_ip_ranges() {
$latest_ips = wp_remote_get( 'https://www.cloudflare.com/ips-v4' );
$latest_ips = explode( "\n", $latest_ips['body'] );
$cf_ips = array(
'173.245.48.0/20',
'103.21.244.0/22',
'103.22.200.0/22',
'103.31.4.0/22',
'141.101.64.0/18',
'108.162.192.0/18',
'190.93.240.0/20',
'188.114.96.0/20',
'197.234.240.0/22',
'198.41.128.0/17',
'162.158.0.0/15',
'104.16.0.0/13',
'104.24.0.0/14',
'172.64.0.0/13',
'131.0.72.0/22',
);
foreach( $latest_ips as $key => $range ) {
if ( empty( $range ) ) {
continue;
}
$this->assertEquals( $range, $cf_ips[ $key ] );
}
}
/**
* Run syntax checks for requires in WP-Admin.
*/
function test_admin_init() {
ewwwio()->admin_init();
$this->assertTrue( true );
}
}
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