Alias parity for all spy matchers (#5826)

* Add .toBeCalledTimes and .toHaveBeenNthCalledWith

* Update CHANGELOG.md

CHANGELOG.md

@@ -28,12 +28,14 @@
 * `[jest-mock]` Add tracking of return values in the `mock` property
   ([#5752](https://github.com/facebook/jest/pull/5752))
 * `[jest-mock]` Add tracking of thrown errors in the `mock` property
-  ([5764](https://github.com/facebook/jest/pull/5764))
+  ([#5764](https://github.com/facebook/jest/pull/5764))
 * `[expect]`Add nthCalledWith spy matcher
   ([#5605](https://github.com/facebook/jest/pull/5605))
 * `[jest-cli]` Add `isSerial` property that runners can expose to specify that
   they can not run in parallel
   ([#5706](https://github.com/facebook/jest/pull/5706))
+* `[expect]` Add `.toBeCalledTimes` and `toHaveBeenNthCalledWith` aliases
+  ([#5826](https://github.com/facebook/jest/pull/5826))
 * `[jest-cli]` Interactive Snapshot Mode improvements
   ([#5864](https://github.com/facebook/jest/pull/5864))
 

docs/ExpectAPI.md

@@ -571,6 +571,8 @@ describe('drinkAll', () => {
 
 ### `.toHaveBeenCalledTimes(number)`
 
+Also under the alias: `.toBeCalledTimes(number)`
+
 Use `.toHaveBeenCalledTimes` to ensure that a mock function got called exact
 number of times.
 
@@ -626,10 +628,12 @@ test('applying to all flavors does mango last', () => {
 });
 ```
 
-### `.nthCalledWith(nthCall, arg1, arg2, ....)`
+### `.toHaveBeenNthCalledWith(nthCall, arg1, arg2, ....)`
+
+Also under the alias: `.nthCalledWith(arg1, arg2, ...)`
 
-If you have a mock function, you can use `.nthCalledWith` to test what arguments
-it was nth called with. For example, let's say you have a
+If you have a mock function, you can use `.toHaveBeenNthCalledWith` to test what
+arguments it was nth called with. For example, let's say you have a
 `drinkEach(drink, Array<flavor>)` function that applies `f` to a bunch of
 flavors, and you want to ensure that when you call it, the first flavor it
 operates on is `'lemon'` and the second one is `'octopus'`. You can write:
@@ -640,8 +644,8 @@ Note that, nth argument must be positive integer starting from 1.
 test('drinkEach drinks each drink', () => {
   const drink = jest.fn();
   drinkEach(drink, ['lemon', 'octopus']);
-  expect(drink).nthCalledWith(1, 'lemon');
-  expect(drink).nthCalledWith(2, 'octopus');
+  expect(drink).toHaveBeenNthCalledWith(1, 'lemon');
+  expect(drink).toHaveBeenNthCalledWith(2, 'octopus');
 });
 ```