PhilipBrown\Signature\Tests\RequestTest::should_sign_request PHP Method

    public function should_sign_request()
    {
        $auth = $this->request->sign($this->token);
        $this->assertEquals('5.1.2', $auth['auth_version']);
        $this->assertEquals('abc123', $auth['auth_key']);
        $this->assertEquals('1412506800', $auth['auth_timestamp']);
        $this->assertRegExp('/[a-z0-9]{64}/', $auth['auth_signature']);
    }