YoeriNijs / array-matchers

Some custom array matchers for the Jest and Jasmine test runners

Array matchers: for precise array matching only

WARNING! This is alpha software. Still under active development.

What it does

Some custom array matchers for the Jest and Jasmine test runners. Fully tested.

Install

npm i array-matchers

Supported methods

• toContainTimes(values: unknown[], times: number)
• toContainNone(values: unknown[])
• toContainNoneExactly(values: unknown[])
• toContainSome(values: unknown[])
• toContainSomeExactly(values: unknown[])
• toBeFlattened()

toContainTimes

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainTimes(['aap'], 1); // true

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainTimes(['aap'], 0); // false

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainTimes(['aap'], 2); // false

toContainNone

import "array-matchers";

const array = ['aap', 'noot'];
expect(array).toContainNone(['mies']); // true

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainNone(['mies']); // false

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainNone(['MIES']); // false

toContainNoneExactly

import "array-matchers";

const array = ['aap', 'noot'];
expect(array).toContainNoneExactly(['mies']); // true

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainNoneExactly(['mies']); // false

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainNoneExactly(['MIES']); // true

toContainSome

import "array-matchers";

const array = ['aap', 'noot'];
expect(array).toContainSome(['mies']); // false

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainSome(['mies']); // true

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainSome(['MIES']); // true

toContainSomeExactly

import "array-matchers";

const array = ['aap', 'noot'];
expect(array).toContainSomeExactly(['mies']); // false

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainSomeExactly(['mies']); // true

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toContainSomeExactly(['MIES']); // false

toBeFlattened

import "array-matchers";

const array = ['aap', 'noot', 'mies'];
expect(array).toBeFlattened(); // true

import "array-matchers";

const array = ['aap', 'noot', ['mies']];
expect(array).toBeFlattened(); // false