react-carousel-query/node_modules/eslint-plugin-jest/docs/rules/prefer-expect-assertions.md

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# Suggest using `expect.assertions()` OR `expect.hasAssertions()` (`prefer-expect-assertions`)

Ensure every test to have either `expect.assertions(<number of assertions>)` OR
`expect.hasAssertions()` as its first expression.

## Rule details

This rule triggers a warning if,

- `expect.assertions(<number of assertions>)` OR `expect.hasAssertions()` is not
  present as first statement in a test, e.g.:

```js
test('my test', () => {
  expect(someThing()).toEqual('foo');
});
```

- `expect.assertions(<number of assertions>)` is the first statement in a test
  where argument passed to `expect.assertions(<number of assertions>)` is not a
  valid number, e.g.:

```js
test('my test', () => {
  expect.assertions('1');
  expect(someThing()).toEqual('foo');
});
```

### Default configuration

The following patterns are considered warnings:

```js
test('my test', () => {
  expect.assertions('1');
  expect(someThing()).toEqual('foo');
});

test('my test', () => {
  expect(someThing()).toEqual('foo');
});
```

The following patterns would not be considered warnings:

```js
test('my test', () => {
  expect.assertions(1);
  expect(someThing()).toEqual('foo');
});

test('my test', () => {
  expect.hasAssertions();
  expect(someThing()).toEqual('foo');
});
```

## Options

#### `onlyFunctionsWithAsyncKeyword`

When `true`, this rule will only warn for tests that use the `async` keyword.

```json
{
  "rules": {
    "jest/prefer-expect-assertions": [
      "warn",
      { "onlyFunctionsWithAsyncKeyword": true }
    ]
  }
}
```

When `onlyFunctionsWithAsyncKeyword` option is set to `true`, the following
pattern would be a warning:

```js
test('my test', async () => {
  const result = await someAsyncFunc();
  expect(result).toBe('foo');
});
```

While the following patterns would not be considered warnings:

```js
test('my test', () => {
  const result = someFunction();
  expect(result).toBe('foo');
});

test('my test', async () => {
  expect.assertions(1);
  const result = await someAsyncFunc();
  expect(result).toBe('foo');
});
```