Files
deckyvault/lib/sitemap/__tests__/validate-image-url.test.ts
T

69 lines
2.3 KiB
TypeScript

import { describe, it, expect } from "vitest"
import { validateImageUrl } from "@/lib/sitemap/validate-image-url"
describe("validateImageUrl", () => {
it("returns null for null input", () => {
expect(validateImageUrl(null)).toBeNull()
})
it("returns null for undefined input", () => {
expect(validateImageUrl(undefined)).toBeNull()
})
it("returns null for empty string", () => {
expect(validateImageUrl("")).toBeNull()
})
it("returns null for whitespace-only string", () => {
expect(validateImageUrl(" ")).toBeNull()
})
it("returns null for http:// URL", () => {
expect(validateImageUrl("http://example.com/image.png")).toBeNull()
})
it("returns null for relative URL", () => {
expect(validateImageUrl("/images/hero.png")).toBeNull()
})
it("returns null for protocol-less URL", () => {
expect(validateImageUrl("example.com/image.png")).toBeNull()
})
it("returns null for URL exceeding 2048 characters", () => {
const longUrl = "https://example.com/" + "a".repeat(2040)
expect(longUrl.length).toBeGreaterThan(2048)
expect(validateImageUrl(longUrl)).toBeNull()
})
it("returns the same URL for a valid HTTPS URL", () => {
const url = "https://example.com/image.png"
expect(validateImageUrl(url)).toBe(url)
})
it("trims whitespace from a valid URL", () => {
const url = "https://example.com/image.png"
expect(validateImageUrl(` ${url} `)).toBe(url)
})
it("returns URL when exactly 2048 characters", () => {
const url = "https://example.com/" + "a".repeat(2048 - "https://example.com/".length)
expect(url.length).toBe(2048)
expect(validateImageUrl(url)).toBe(url)
})
it("returns null for URL at 2049 characters", () => {
const url = "https://example.com/" + "a".repeat(2049 - "https://example.com/".length)
expect(url.length).toBe(2049)
expect(validateImageUrl(url)).toBeNull()
})
it("returns realistic Steam capsule and SteamGridDB URLs unchanged", () => {
const steamCapsule =
"https://cdn.akamai.steamstatic.com/steam/apps/1245620/capsule_616x353.jpg"
const steamGridDb =
"https://www.steamgriddb.com/api/v2/images/grid/12345-abcdef.png"
expect(validateImageUrl(steamCapsule)).toBe(steamCapsule)
expect(validateImageUrl(steamGridDb)).toBe(steamGridDb)
})
})