packages/expect-more-jasmine/src/to-be-date-on-or-before.ts
/// <reference types="jasmine" />
import { isDateOnOrBefore } from 'expect-more';
import { printExpected, printReceived } from 'jest-matcher-utils';
declare global {
namespace jasmine {
// eslint-disable-next-line @typescript-eslint/no-unused-vars
interface Matchers<T> {
/**
* Asserts that a value is an instance of `Date` occurring on or before the exact date and time of another.
* @example
* expect(new Date('2019-12-15')).toBeDateOnOrBefore(new Date('2019-12-31'));
*/
toBeDateOnOrBefore(other: unknown): boolean;
}
}
}
export const toBeDateOnOrBeforeMatcher: jasmine.CustomMatcherFactory = () => {
return {
compare(value: unknown, other: unknown) {
const pass = isDateOnOrBefore(other, value);
const message = pass
? `expected ${printReceived(
value,
)} not to be an instance of Date occurring on or before ${printExpected(other)}`
: `expected ${printReceived(
value,
)} to be an instance of Date occurring on or before ${printExpected(other)}`;
return { message, pass };
},
};
};
beforeAll(() => {
jasmine.addMatchers({
toBeDateOnOrBefore: toBeDateOnOrBeforeMatcher,
});
});