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x/rambda/allTrue.spec.js

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import { allTrue } from './allTrue'
test('with functions', () => { const foo = () => 1 const bar = () => false const baz = () => JSON.parse('{sda') const result = allTrue( foo, bar, baz ) expect(result).toBeFalse()})
test('usage with non boolean', () => { const foo = { a : 1 } const baz = [ 1, 2, 3 ]
const result = allTrue( foo, foo, baz ) expect(result).toBeTrue()})
test('usage with boolean', () => { const foo = 4 const baz = [ 1, 2, 3 ]
const result = allTrue(foo > 2, baz.length === 3) expect(result).toBeTrue()})
test('escapes early - case 0', () => { const foo = undefined const result = allTrue(foo, () => foo.a) expect(result).toBeFalse()})
test('escapes early - case 1', () => { const foo = null const result = allTrue(foo, () => foo.a) expect(result).toBeFalse()})
test('escapes early - case 2', () => { const foo = { a : 'bar' } const result = allTrue( foo, foo.a, foo.a.b ) expect(result).toBeFalse()})
test('escapes early - case 3', () => { const foo = { a : { b : 'foo' } } const result = allTrue( foo, () => foo.a, () => foo.a.b ) expect(result).toBeTrue()})