PHPUnitAssertions.php

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<?php

namespace Sabre\VObject;

trait PHPUnitAssertions {

    function assertVObjectEqualsVObject($expected, $actual, $message = '') {

        $self = $this;
        $getObj = function($input) use ($self) {

            if (is_resource($input)) {
                $input = stream_get_contents($input);
            }
            if (is_string($input)) {
                $input = Reader::read($input);
            }
            if (!$input instanceof Component) {
                $this->fail('Input must be a string, stream or VObject component');
            }
            unset($input->PRODID);
            if ($input instanceof Component\VCalendar && (string)$input->CALSCALE === 'GREGORIAN') {
                unset($input->CALSCALE);
            }
            return $input;

        };

        $expected = $getObj($expected)->serialize();
        $actual = $getObj($actual)->serialize();

        // Finding wildcards in expected.
        preg_match_all('|^([A-Z]+):\\*\\*ANY\\*\\*\r$|m', $expected, $matches, PREG_SET_ORDER);

        foreach ($matches as $match) {

            $actual = preg_replace(
                '|^' . preg_quote($match[1], '|') . ':(.*)\r$|m',
                $match[1] . ':**ANY**' . "\r",
                $actual
            );

        }

        $this->assertEquals(
            $expected,
            $actual,
            $message
        );

    }


}