sinProject-Inc/talk

import { Background } from './background'
import { expect, test } from 'vitest'
import { BackgroundIndex } from './background_index'

type Spec = {
    name: string
    index: number
    expected?: string
    error_message?: string
}

const specs: Spec[] = [
    { name: 'zero', index: 0, expected: '/src/lib/assets/beach-30.avif' },
    { name: 'eleven', index: 11, expected: '/src/lib/assets/purple2-30.avif' },
    { name: 'negative', index: 12, error_message: 'Invalid Background index' },
]

test.each(specs)(
    'new Background($index).index ($name} -> ($expected) : ($error_message)',
    (spec: Spec) => {
        const { index, expected, error_message } = spec

        const background_index = new BackgroundIndex(index)

        if (error_message) {
            expect(() => new Background(background_index)).toThrow(error_message)

            return
        }

        const background = new Background(background_index)
        expect(background.background_url).toBe(expected)
    }
)