ptrcports/node-print/test.js

require('.')

const assert = require('node:assert/strict')
const test = require('node:test')
const fs = require('fs/promises')

const testObject = {
    property: "value",
    anotherProperty: 1234,
    boolean: true,
    notBoolean: null
}
const testObjectStr = JSON.stringify(testObject)

test('Object.prototype.map', t => {
    assert.equal(
        testObject.map(JSON.stringify),
        testObjectStr
    )
})

test('Object.prototype.apply', t => {
    assert.equal(
        testObject.apply(JSON.stringify),
        testObjectStr
    )
})

test('String.prototype.lines', t => {
    const str = 'one\ntwo\nthree\n'
    assert.deepEqual(
        ['one', 'two', 'three'],
        str.lines()
    )
    assert.deepEqual(
        ['one', 'two', 'three'],
        str.lines()
    )
})

test('String.prototype.reverse', t => {
    assert.equal(
        'tac',
        'cat'.reverse()
    )
})

test('String.prototype.includesAny', t => {
    const str = 'longer test string'
    assert(str.includesAny(['test']))
    assert(str.includesAny(['not', 'test']))
    assert(!str.includesAny(['missing']))
})

test('String.prototype.tryParseJSON', t => {
    assert.deepEqual(
        testObject,
        testObjectStr.tryParseJSON()
    )
    assert.deepEqual(
        testObject,
        `\n\n${testObjectStr}\n\n`.tryParseJSON()
    )
    assert.deepEqual(
        'definitely not json',
        'definitely not json'.tryParseJSON()
    )
    assert.deepEqual(
        '{maybe json?}',
        '{maybe json?}'.tryParseJSON()
    )
})

test('Buffer.prototype.tryParseJSON', t => {
    assert.deepEqual(
        testObject,
        Buffer.from(testObjectStr).tryParseJSON(),
    )
    assert.deepEqual(
        Buffer.from('meow'),
        Buffer.from('meow').tryParseJSON(),
    )
})

test('exec', t => {
    assert.equal(
        '1\n',
        exec('echo', ['1']).stdout.toString()
    )
})

test('exec.orFail', t => {
    assert.throws(_ => exec('false').orFail())
})

test('execnc', t => {
    assert.equal(
        undefined,
        execnc('echo', ['test output']).stdout
    )
})

test('apkindex', async t => {
    try {
        await fs.access('/lib/apk/db/installed', fs.constants.R_OK)
    } catch (err) {
        t.skip('not running on alpine')
        return
    }

    const content = await fs.readFile('/lib/apk/db/installed', 'utf-8')
    const index = apkindex(content)

    assert.equal('object', typeof index)
    assert(index instanceof Array)
    
    const musl = index.find(pkg => pkg.P === 'musl')
    assert(musl)
    assert.equal('musl', musl.o)
    assert.equal('number', typeof musl.S)
})

test('Array.prototype.sum', t => {
    assert.equal(
        10,
        [5, 3, 2].sum()
    )
})

test('Array.prototype.product', t => {
    assert.equal(
        30,
        [5, 3, 2].product()
    )
})

test('Array.prototype.sortNum', t => {
    assert.deepEqual(
        [2, 3, 5],
        [5, 3, 2].sortNum()
    )
})

test('Array.prototype.partition', t => {
    assert.deepEqual(
        [[1, 3], [2, 4]],
        [1, 2, 3, 4].partition(a => a % 2)
    )
})

test('Array.prototype.chunks - size 2, length 2n', t => {
    assert.deepEqual(
        [[1, 2], [3, 4], [5, 6]],
        [1, 2, 3, 4, 5, 6].chunks(2)
    )
})

test('Array.prototype.chunks - size 2, length 2n+1', t => {
    assert.deepEqual(
        [[1, 2], [3, 4], [5, 6], [7]],
        [1, 2, 3, 4, 5, 6, 7].chunks(2)
    )
})

test('Array.prototype.transpose', t => {
    assert.deepEqual(
        [[1, 3], [2, 4]],
        [[1, 2], [3, 4]].transpose()
    )
})


test('Array.prototype.shuffle', t => {
    const arr = [1, 2, 3, 4, 5, 6, 7, 8]
    assert.notDeepEqual(
        arr,
        arr.shuffle()
    )
})

test('Set.prototype.union', t => {
    const left = new Set([1, 3])
    const right = new Set([2, 4])
    assert.deepEqual(
        new Set([1, 2, 3, 4]),
        left.union(right)
    )
})

test('Set.prototype.intersection', t => {
    const left = new Set([1, 2, 3])
    const right = new Set([2, 4])
    assert.deepEqual(
        new Set([2]),
        left.intersection(right)
    )
})

test('Set.prototype.at - single element', t => {
    assert.equal(
        2,
        new Set([2]).at(0)
    )
})

test('Set.prototype.at - multiple elements', t => {
    assert.equal(
        2,
        new Set([1, 2, 3]).at(1)
    )
})

test('matrix - seed with value', t => {
    const reference = [
        [ 0, 0 ],
        [ 0, 0 ]
    ]
    assert.deepEqual(reference, matrix(2, 2, 0))
})

test('matrix - seed with function', t => {
    const reference = [
        [ 0, 1, 2 ],
        [ 0, 1, 2 ]
    ]
    assert.deepEqual(reference, matrix(3, 2, i => i))
})

test('Number.prototype.toXY', t => {
    assert.deepEqual(
        [ 1, 3 ],
        (16).toXY(5)
    )
})

test('Object.prune', t => {
    assert.deepEqual(
        { 
            emptyProperty: null,
            actualProperty: 2
        },
        Object.prune({ 
            emptyProperty: null,
            actualProperty: 2,
            anotherEmptyProperty: undefined
        })
    )
})

// test('String.prototype.reverse', t => {
//     assert.equal(

//     )
// })