Array / Object to string conversion in NamePrettifier

[sebastianbergmann]

<?php
class ExampleTest extends PHPUnit\Framework\TestCase
{
    /**
     * @dataProvider placeHolderprovider
     * @testdox ... $value ...
     */
    public function testWithPlaceholders($value): void
    {
        $this->assertTrue(true);
    }

    public function placeHolderprovider(): array
    {
        return [
            'boolean'          => [true],
            'integer'          => [1],
            'float'            => [1.0],
            'string'           => ['string'],
            'array'            => [[1, 2, 3]],
            'object'           => [new \stdClass],
            'stringableObject' => [new class {
                public function __toString()
                {
                    return 'string';
                }
            }],
            'resource'         => [\fopen(__FILE__, 'rb')],
            'null'             => [null]
        ];
    }
}

Actual

PHPUnit 7.3.3 by Sebastian Bergmann and contributors.

Example
 ✔ ... 1 ...
 ✔ ... 1 ...
 ✔ ... 1 ...
 ✔ ... string ...
PHP Notice:  Array to string conversion in /usr/local/src/phpunit/src/Util/TestDox/NamePrettifier.php on line 76
PHP Stack trace:
PHP   1. {main}() /usr/local/src/phpunit/phpunit:0
PHP   2. PHPUnit\TextUI\Command::main() /usr/local/src/phpunit/phpunit:53
PHP   3. PHPUnit\TextUI\Command->run() /usr/local/src/phpunit/src/TextUI/Command.php:159
PHP   4. PHPUnit\TextUI\TestRunner->doRun() /usr/local/src/phpunit/src/TextUI/Command.php:203
PHP   5. PHPUnit\Framework\TestSuite->run() /usr/local/src/phpunit/src/TextUI/TestRunner.php:587
PHP   6. PHPUnit\Framework\DataProviderTestSuite->run() /usr/local/src/phpunit/src/Framework/TestSuite.php:750
PHP   7. ExampleTest->run() /usr/local/src/phpunit/src/Framework/TestSuite.php:750
PHP   8. PHPUnit\Framework\TestResult->run() /usr/local/src/phpunit/src/Framework/TestCase.php:798
PHP   9. PHPUnit\Framework\TestResult->startTest() /usr/local/src/phpunit/src/Framework/TestResult.php:603
PHP  10. PHPUnit\Util\TestDox\CliTestDoxPrinter->startTest() /usr/local/src/phpunit/src/Framework/TestResult.php:395
PHP  11. PHPUnit\Util\TestDox\NamePrettifier->prettifyTestCase() /usr/local/src/phpunit/src/Util/TestDox/CliTestDoxPrinter.php:66
PHP  12. str_replace() /usr/local/src/phpunit/src/Util/TestDox/NamePrettifier.php:76
 ✔ ... Array ...
PHP Catchable fatal error:  Object of class stdClass could not be converted to string in /usr/local/src/phpunit/src/Util/TestDox/NamePrettifier.php on line 76
PHP Stack trace:
PHP   1. {main}() /usr/local/src/phpunit/phpunit:0
PHP   2. PHPUnit\TextUI\Command::main() /usr/local/src/phpunit/phpunit:53
PHP   3. PHPUnit\TextUI\Command->run() /usr/local/src/phpunit/src/TextUI/Command.php:159
PHP   4. PHPUnit\TextUI\TestRunner->doRun() /usr/local/src/phpunit/src/TextUI/Command.php:203
PHP   5. PHPUnit\Framework\TestSuite->run() /usr/local/src/phpunit/src/TextUI/TestRunner.php:587
PHP   6. PHPUnit\Framework\DataProviderTestSuite->run() /usr/local/src/phpunit/src/Framework/TestSuite.php:750
PHP   7. ExampleTest->run() /usr/local/src/phpunit/src/Framework/TestSuite.php:750
PHP   8. PHPUnit\Framework\TestResult->run() /usr/local/src/phpunit/src/Framework/TestCase.php:798
PHP   9. PHPUnit\Framework\TestResult->startTest() /usr/local/src/phpunit/src/Framework/TestResult.php:603
PHP  10. PHPUnit\Util\TestDox\CliTestDoxPrinter->startTest() /usr/local/src/phpunit/src/Framework/TestResult.php:395
PHP  11. PHPUnit\Util\TestDox\NamePrettifier->prettifyTestCase() /usr/local/src/phpunit/src/Util/TestDox/CliTestDoxPrinter.php:66
PHP  12. str_replace() /usr/local/src/phpunit/src/Util/TestDox/NamePrettifier.php:76

Expected

PHPUnit 7.3.3 by Sebastian Bergmann and contributors.

Example
 ✔ ... true ...
 ✔ ... 1 ...
 ✔ ... 1.0 ...
 ✔ ... string ...
 ✔ ... array ...
 ✔ ... object ...
 ✔ ... string ...
 ✔ ... resource ...
 ✔ ... NULL ...

Time: 31 ms, Memory: 4.00MB

OK (9 tests, 9 assertions)