import { describe, expect, it } from "vitest"
import { isAssetUsable } from "@/api/assets"

describe("isAssetUsable", () => {
  it("usable 字段缺失时降级为可用（后端字段未上线零影响）", () => {
    expect(isAssetUsable({})).toBe(true)
    expect(isAssetUsable({ usable: undefined })).toBe(true)
    expect(isAssetUsable({ usable: null })).toBe(true)
  })

  it("usable === true 时可用", () => {
    expect(isAssetUsable({ usable: true })).toBe(true)
  })

  it("usable === false 时不可用（已彻底用尽）", () => {
    expect(isAssetUsable({ usable: false })).toBe(false)
    expect(isAssetUsable({ usable: false, used_ratio: 1 })).toBe(false)
  })

  it("used_ratio 不影响可用性判断（只影响角标展示）", () => {
    expect(isAssetUsable({ used_ratio: 0.99 })).toBe(true)
    expect(isAssetUsable({ used_ratio: 0 })).toBe(true)
  })
})