Function matchSelector

packages/react-reconciler/src/ReactTestSelectors.js:145–209

(fiber: Fiber, selector: Selector)

}

function matchSelector(fiber: Fiber, selector: Selector): boolean {
  const tag = fiber.tag;
  switch (selector.$$typeof) {
    case COMPONENT_TYPE:
      if (fiber.type === selector.value) {
        return true;
      }
      break;
    case HAS_PSEUDO_CLASS_TYPE:
      return hasMatchingPaths(
        fiber,
        ((selector: any): HasPseudoClassSelector).value,
      );
    case ROLE_TYPE:
      if (
        tag === HostComponent ||
        tag === HostHoistable ||
        tag === HostSingleton
      ) {
        const node = fiber.stateNode;
        if (
          matchAccessibilityRole(node, ((selector: any): RoleSelector).value)
        ) {
          return true;
        }
      }
      break;
    case TEXT_TYPE:
      if (
        tag === HostComponent ||
        tag === HostText ||
        tag === HostHoistable ||
        tag === HostSingleton
      ) {
        const textContent = getTextContent(fiber);
        if (
          textContent !== null &&
          textContent.indexOf(((selector: any): TextSelector).value) >= 0
        ) {
          return true;
        }
      }
      break;
    case TEST_NAME_TYPE:
      if (
        tag === HostComponent ||
        tag === HostHoistable ||
        tag === HostSingleton
      ) {
        const dataTestID = fiber.memoizedProps['data-testname'];
        if (
          typeof dataTestID === 'string' &&
          dataTestID.toLowerCase() ===
            ((selector: any): TestNameSelector).value.toLowerCase()
        ) {
          return true;
        }
      }