Matchers.toContainKeys

toContainKeys(expected: unknown): void

Asserts that an object contains all the provided keys.

@param expected

the expected value

expect({ a: 'foo', b: 'bar', c: 'baz' }).toContainKeys(['a', 'b']);
expect({ a: 'foo', b: 'bar', c: 'baz' }).toContainKeys(['a', 'b', 'c']);
expect({ a: 'foo', b: 'bar', c: 'baz' }).not.toContainKeys(['a', 'b', 'e']);