Subreality\Dilmun\Anshar\Http\UriParts\UriPartTestCase

Complexity

Total Complexity

8

Size/Duplication

Total Lines	70
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

62.5%

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	assertSameAsToString()	0	9	2
A	expectInvalidArgumentExceptionWhenConstructedWithNonString()	0	20	4
A	compareExceptionMessage()	0	10	2

<?php
namespace Subreality\Dilmun\Anshar\Http\UriParts;

/**
 * Class Assertions
 * @package Subreality\Dilmun\Anshar\PhpUnit
 */
class UriPartTestCase extends \PHPUnit_Framework_TestCase
{
    /**
     * Asserts that the given expected string is the same as the string returned by an object instance's __toString
     * magic method.
     *
     * @throws \PHPUnit_Framework_ExpectationFailedException provided an instance of an object with no __toString
     * method.
     *
     * @param string $expected
     * @param object $test_instance
     */
    public static function assertSameAsToString($expected, $test_instance)
    {
        try {
            $actual = (string) $test_instance;
            self::assertSame($expected, $actual);
        } catch (\PHPUnit_Framework_Error $error) {
            throw new \PHPUnit_Framework_ExpectationFailedException("Cannot convert object to string");
        }
    }

    /**
     * Tests whether the constructor of a given class throws an \InvalidArgumentException when attempting to construct
     * an instance with a non-string.
     *
     * @param string $class_name    The name of the class to test
     * @param string $data          Data to be passed to the class's constructor
     * @param string|null $message  [optional] The expected \InvalidArgumentException message
     */
    public static function expectInvalidArgumentExceptionWhenConstructedWithNonString(
        $class_name,
        $data,
        $message = null
    ) {
        $exception_thrown = false;

        try {
            /** @noinspection PhpUnusedLocalVariableInspection */
            $non_string_instance = new $class_name($data);

$non_string_instance is not used, you could remove the assignment.

        } catch (\InvalidArgumentException $exception) {
            $exception_thrown = true;

            self::compareExceptionMessage($exception, $message);
        }

        if (!is_string($data) && !$exception_thrown) {
            throw new \PHPUnit_Framework_ExpectationFailedException("Expected exception not thrown");
        }
    }

    /**
     * Compares a given exceptions message with a given message string.
     *
     * @throws \PHPUnit_Framework_AssertionFailedError when exception message does not match given message
     *
     * @param \Exception $exception     An exception for message comparison
     * @param string $message           The intended message
     */
    private function compareExceptionMessage(\Exception $exception, $message)
    {
        if (isset($message)) {
            self::assertSame(
                $message,
                $exception->getMessage(),
                "Failed asserting that {$exception->getMessage()} is the same as {$message}"
            );
        }
    }
}