class ValidationResultTest

class ValidationResultTest extends UnitTestCase {
    
    /**
     * @covers ::createWarning
     *
     * @dataProvider providerValidConstructorArguments
     */
    public function testCreateWarningResult(array $messages, ?string $summary) : void {
        $summary = $summary ? t($summary) : NULL;
        $result = ValidationResult::createWarning($messages, $summary);
        $this->assertResultValid($result, $messages, $summary, SystemManager::REQUIREMENT_WARNING);
    }
    
    /**
     * @covers ::getOverallSeverity
     */
    public function testOverallSeverity() : void {
        // An error and a warning should be counted as an error.
        $results = [
            ValidationResult::createError([
                t('Boo!'),
            ]),
            ValidationResult::createWarning([
                t('Moo!'),
            ]),
        ];
        $this->assertSame(SystemManager::REQUIREMENT_ERROR, ValidationResult::getOverallSeverity($results));
        // If there are no results, but no errors, the results should be counted as
        // a warning.
        array_shift($results);
        $this->assertSame(SystemManager::REQUIREMENT_WARNING, ValidationResult::getOverallSeverity($results));
        // If there are just plain no results, we should get REQUIREMENT_OK.
        array_shift($results);
        $this->assertSame(SystemManager::REQUIREMENT_OK, ValidationResult::getOverallSeverity($results));
    }
    
    /**
     * @covers ::createError
     *
     * @dataProvider providerValidConstructorArguments
     */
    public function testCreateErrorResult(array $messages, ?string $summary) : void {
        $summary = $summary ? t($summary) : NULL;
        $result = ValidationResult::createError($messages, $summary);
        $this->assertResultValid($result, $messages, $summary, SystemManager::REQUIREMENT_ERROR);
    }
    
    /**
     * @covers ::createWarning
     *
     * @param string[] $messages
     *   The warning messages of the validation result.
     * @param string $expected_exception_message
     *   The expected exception message.
     *
     * @dataProvider providerCreateExceptions
     */
    public function testCreateWarningResultException(array $messages, string $expected_exception_message) : void {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage($expected_exception_message);
        ValidationResult::createWarning($messages, NULL);
    }
    
    /**
     * @covers ::createError
     *
     * @param string[] $messages
     *   The error messages of the validation result.
     * @param string $expected_exception_message
     *   The expected exception message.
     *
     * @dataProvider providerCreateExceptions
     */
    public function testCreateErrorResultException(array $messages, string $expected_exception_message) : void {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage($expected_exception_message);
        ValidationResult::createError($messages, NULL);
    }
    
    /**
     * Tests that the messages are asserted to be translatable.
     *
     * @testWith ["createError"]
     *   ["createWarning"]
     */
    public function testMessagesMustBeTranslatable(string $method) : void {
        // When creating an error from a throwable, the message does not need to be
        // translatable.
        ValidationResult::createErrorFromThrowable(new \Exception('Burn it down.'));
        $this->expectException(\AssertionError::class);
        $this->expectExceptionMessageMatches('/instanceof TranslatableMarkup/');
        ValidationResult::$method([
            'Not translatable!',
        ]);
    }
    
    /**
     * Data provider for test methods that test create exceptions.
     *
     * @return array[]
     *   The test cases.
     */
    public static function providerCreateExceptions() : array {
        return [
            '2 messages, no summary' => [
                [
                    t('Something is wrong'),
                    t('Something else is also wrong'),
                ],
                'If more than one message is provided, a summary is required.',
            ],
            'no messages' => [
                [],
                'At least one message is required.',
            ],
        ];
    }
    
    /**
     * Data provider for testCreateWarningResult().
     *
     * @return mixed[]
     *   The test cases.
     */
    public static function providerValidConstructorArguments() : array {
        return [
            '1 message no summary' => [
                'messages' => [
                    t('Something is wrong'),
                ],
                'summary' => NULL,
            ],
            '2 messages has summary' => [
                'messages' => [
                    t('Something is wrong'),
                    t('Something else is also wrong'),
                ],
                'summary' => 'This sums it up.',
            ],
        ];
    }
    
    /**
     * Asserts a check result is valid.
     *
     * @param \Drupal\package_manager\ValidationResult $result
     *   The validation result to check.
     * @param array $expected_messages
     *   The expected messages.
     * @param \Drupal\Core\StringTranslation\TranslatableMarkup|null $summary
     *   The expected summary or NULL if not summary is expected.
     * @param int $severity
     *   The severity.
     */
    protected function assertResultValid(ValidationResult $result, array $expected_messages, ?TranslatableMarkup $summary, int $severity) : void {
        $this->assertSame($expected_messages, $result->messages);
        if ($summary === NULL) {
            $this->assertNull($result->summary);
        }
        else {
            $this->assertSame($summary->getUntranslatedString(), $result->summary
                ->getUntranslatedString());
        }
        $this->assertSame($severity, $result->severity);
    }

}