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674 B
674 B
Suggest using toHaveLength() (prefer-to-have-length)
In order to have a better failure message, toHaveLength() should be used upon
asserting expectations on objects length property.
Rule details
This rule triggers a warning if toBe(), toEqual() or toStrictEqual() is
used to assert objects length property.
expect(files.length).toBe(1);
This rule is enabled by default.
Default configuration
The following patterns are considered warnings:
expect(files.length).toBe(1);
expect(files.length).toEqual(1);
expect(files.length).toStrictEqual(1);
The following pattern is not warning:
expect(files).toHaveLength(1);