CurrencyFormatter example

#[Package('buyers-experience')] class CurrencyFormatterTest extends TestCase
{
    private MockObject&LanguageLocaleCodeProvider $localeProvider;

    private CurrencyFormatter $formatter;

    protected function setUp(): void
    {
        $this->localeProvider = static::createMock(LanguageLocaleCodeProvider::class);
        $this->formatter = new CurrencyFormatter($this->localeProvider);
    }

    /** * @dataProvider formattingParameterProvider */
    public function testFormatCurrencyByLanguageWillUseProvidedDecimalPlaces(float $price, int $decimalPlaces, string $localeCode, string $expectedSeparator, string $currencyISO): void
    {
        $this->localeProvider->expects(static::once())->method('getLocaleForLanguageId')->willReturn($localeCode);
        $pattern = sprintf('/\%s\d{%s}/', $expectedSeparator, (string) $decimalPlaces);
        $formattedPrice = $this->formatter->formatCurrencyByLanguage(
            $price,