Thanks to visit codestin.com
Credit goes to github.com

Skip to content

Alias parity for all spy matchers #5826

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Mar 26, 2018
Merged

Alias parity for all spy matchers #5826

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
7c5adf1
Add .toBeCalledTimes and .toHaveBeenNthCalledWith
rickhanlonii Mar 18, 2018
02d1c62
Update CHANGELOG.md
rickhanlonii Mar 18, 2018
4c463b0
Merge master
rickhanlonii Mar 26, 2018
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Next Next commit
Add .toBeCalledTimes and .toHaveBeenNthCalledWith
  • Loading branch information
@rickhanlonii
rickhanlonii committed Mar 18, 2018
commit 7c5adf1ac56121eb9b43ae702f47211541f19b30
10 changes: 6 additions & 4 deletions docs/ExpectAPI.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -570,6 +570,7 @@ describe('drinkAll', () => {
```

### `.toHaveBeenCalledTimes(number)`
Also under the alias: `.toBeCalledTimes(number)`

Use `.toHaveBeenCalledTimes` to ensure that a mock function got called exact
number of times.
Expand Down Expand Up @@ -626,9 +627,10 @@ 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
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
Expand All @@ -640,8 +642,8 @@ 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');
});
```

Expand Down
Loading