chore: improve test utils

2020-02-20 16:31:42 +08:00
parent 9b70d1a4dc
commit 871398b223
3 changed files with 11 additions and 21 deletions
@@ -30,13 +30,12 @@ function mockHTMLElementOffset() {
  });
 }

-function mockScrollIntoView() {
-  Element.prototype.scrollIntoView = function() {};
+export function mockScrollIntoView() {
+  const fn = jest.fn();
+  Element.prototype.scrollIntoView = fn;
+  return fn;
 }

-mockScrollIntoView();
-mockHTMLElementOffset();
-
 export function mockGetBoundingClientRect(
  rect: ClientRect | DOMRect
 ): Function {
@@ -53,3 +52,6 @@ export function mockScrollTop(value: number) {
  Object.defineProperty(window, 'scrollTop', { value, writable: true });
  trigger(window, 'scroll');
 }
+
+mockScrollIntoView();
+mockHTMLElementOffset();