hyparquet/test/assemble.test.js
2024-03-29 17:39:16 -07:00

108 lines
3.7 KiB
JavaScript

import { describe, expect, it } from 'vitest'
import { assembleObjects } from '../src/assemble.js'
describe('assembleObjects', () => {
it('should assemble objects with non-null values', () => {
const repetitionLevels = [0, 1]
const values = ['a', 'b']
const result = assembleObjects([], repetitionLevels, values, false, 3, 1)
expect(result).toEqual([['a', 'b']])
})
it('should handle null values', () => {
const definitionLevels = [3, 0, 3]
const repetitionLevels = [0, 1, 1]
const values = ['a', 'c']
const result = assembleObjects(definitionLevels, repetitionLevels, values, true, 3, 1)
expect(result).toEqual([['a', undefined, 'c']])
})
it('should handle empty lists', () => {
const result = assembleObjects([], [], [], false, 0, 0)
expect(result).toEqual([])
})
it('should handle multiple lists', () => {
const repetitionLevels = [0, 0]
const values = [22, 33]
const result = assembleObjects([], repetitionLevels, values, false, 3, 1)
expect(result).toEqual([[22], [33]])
})
it('should handle multiple lists (6)', () => {
const repetitionLevels = [0, 1, 1, 0, 1, 1]
const values = [1, 2, 3, 4, 5, 6]
const result = assembleObjects([], repetitionLevels, values, false, 3, 1)
expect(result).toEqual([[1, 2, 3], [4, 5, 6]])
})
it('should assemble multiple lists with nulls', () => {
const definitionLevels = [3, 3, 0, 3, 3]
const repetitionLevels = [0, 1, 0, 0, 1]
const values = ['a', 'b', 'd', 'e']
const result = assembleObjects(definitionLevels, repetitionLevels, values, true, 3, 1)
expect(result).toEqual([['a', 'b'], undefined, ['d', 'e']])
})
// it('should handle continuing a row from the previous page', () => {
// const definitionLevels = [3, 3, 3, 1]
// const repetitionLevels = [1, 0, 1, 0]
// const values = ['a', 'b', 'c', 'd']
// const result = assembleObjects(definitionLevels, repetitionLevels, values, false, 3, 1)
// expect(result).toEqual([['b', 'c'], [undefined]])
// })
it('should handle nested arrays', () => {
// from nullable.impala.parquet
const repetitionLevels = [0, 2, 1, 2]
const values = [1, 2, 3, 4]
const result = assembleObjects([], repetitionLevels, values, false, 3, 2)
expect(result).toEqual([[[1, 2], [3, 4]]])
})
it('should handle top repetition level', () => {
// from int_map.parquet
const definitionLevels = [2, 2, 2, 2, 1, 1, 1, 0, 2, 2]
const repetitionLevels = [0, 1, 0, 1, 0, 0, 0, 0, 0, 1]
const values = ['k1', 'k2', 'k1', 'k2', 'k1', 'k3']
const result = assembleObjects(definitionLevels, repetitionLevels, values, true, 2, 1)
expect(result).toEqual([
['k1', 'k2'],
['k1', 'k2'],
[],
[],
[],
undefined,
['k1', 'k3'],
])
})
it('should handle empty lists with definition level', () => {
// from nonnullable.impala.parquet
const result = assembleObjects([0], [0], [], false, 2, 2)
expect(result).toEqual([[[]]])
})
it('should handle isNull', () => {
// from nonnullable.impala.parquet
const result = assembleObjects([2], [0], [-1], false, 2, 2)
expect(result).toEqual([[[-1]]])
})
it('should handle nullable int_array', () => {
// from nullable.impala.parquet
// [1 2 3][N 1 2 N 3 N][ ] N N
const definitionLevels = [3, 3, 3, 2, 3, 3, 2, 3, 2, 1, 0, 0]
const repetitionLevels = [0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0]
const values = [1, 2, 3, 1, 2, 3]
const result = assembleObjects(definitionLevels, repetitionLevels, values, true, 3, 1)
expect(result).toEqual([
[1, 2, 3],
[undefined, 1, 2, undefined, 3, undefined],
[],
undefined,
undefined,
])
})
})