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- Convert project to Javascript/Typescript
- Allow custom headers to be passed in (optional)
- Allow body to be optional

2020-08-26 10:52:47 +10:00

Suggest using `toBeUndefined()` (`prefer-to-be-undefined`)

In order to have a better failure message, toBeUndefined() should be used upon asserting expectations on undefined value.

Rule details

This rule triggers a warning if toBe(), toEqual() or toStrictEqual() is used to assert an undefined value.

expect(undefined).toBe(undefined);

This rule is enabled by default.

The following patterns are considered warnings:

expect(undefined).toBe(undefined);

expect(undefined).toEqual(undefined);

expect(undefined).toStrictEqual(undefined);

The following pattern is not warning:

expect(undefined).toBeUndefined();