public function testVariableStringHandling()
{
// variables handling by constructor
$string = new Str('this is a string', ['those', 'are', 'variables']);
$reflectedProperty = new \ReflectionProperty(Str::class, 'variables');
$reflectedProperty->setAccessible(true);
$stringVariables = $reflectedProperty->getValue($string);
$this->assertEquals(['those', 'are', 'variables'], $stringVariables);
// anonymous placeholders
$string = new Str('This string contains a %s');
$string->addVariable('placeholder');
$this->assertEquals('This string contains a placeholder', $string->build());
$string->clear();
$this->assertEquals('This string contains a %s', $string->build());
$string->setVariable(0, 'placeholder (again!)');
$this->assertEquals('This string contains a placeholder (again!)', $string->build());
// named placeholders
$string = new Str('This string contains a :named-placeholder');
$string->setVariable('named-placeholder', 'named placeholder (I tell you!)');
$this->assertEquals('This string contains a named placeholder (I tell you!)', $string->build());
// mixed
//
// named placeholders are handled apart from anonymous ones, so
// they aren't taken in account for anonymous variables position
$string = new Str('This string contains both :named and %s placeholders!');
$string->setVariable('named', 'a named');
$string->addVariable('an anonymous');
$this->assertEquals('This string contains both a named and an anonymous placeholders!', $string->build());
$string->clear();
$string->setVariables(['an anonymous', 'named' => 'a named']);
$this->assertEquals('This string contains both a named and an anonymous placeholders!', $string->build());
// finally check that __toString() calls build()
$this->assertEquals('This string contains both a named and an anonymous placeholders!', (string) $string);
}
