EpicNext-Cms/src/lib/imager.test.ts

import { beforeEach, describe, expect, it, vi } from "vitest";

const envMock = vi.hoisted(() => ({
	env: {
		NEXT_PUBLIC_IMAGER_URL: "https://img.example.com" as string | undefined,
		NEXT_PUBLIC_APP_URL: undefined as string | undefined,
		IMAGING_UPSTREAM_URL: "https://up.example.com" as string | undefined,
	},
}));

vi.mock("@/env", () => envMock);

import { getAvatarUrl, resolveImagerBase } from "./imager";

describe("resolveImagerBase", () => {
	beforeEach(() => {
		envMock.env.NEXT_PUBLIC_IMAGER_URL = "https://img.example.com";
	});

	it("returns configured imager env var", () => {
		expect(resolveImagerBase()).toBe("https://img.example.com");
	});

	it("strips trailing slashes", () => {
		envMock.env.NEXT_PUBLIC_IMAGER_URL = "https://img.example.com/";
		expect(resolveImagerBase()).toBe("https://img.example.com");
	});

	it("falls back to epicnabbo.nl when env var is not set", () => {
		envMock.env.NEXT_PUBLIC_IMAGER_URL = undefined;
		expect(resolveImagerBase()).toBe(
			"https://epicnabbo.nl/imaging/avatarimage",
		);
	});
});

describe("getAvatarUrl", () => {
	beforeEach(() => {
		envMock.env.NEXT_PUBLIC_IMAGER_URL = "https://img.example.com";
	});

	it("builds a query string with defaults (omits default params)", () => {
		const url = getAvatarUrl("hd-180-1");
		expect(url.startsWith("https://img.example.com?")).toBe(true);
		expect(url).toContain("figure=hd-180-1");
		expect(url).not.toContain("direction=2");
		expect(url).not.toContain("head_direction=3");
		expect(url).not.toContain("size=m");
		expect(url).toContain("img_format=apng");
		expect(url).toContain("effect=14");
	});

	it("honors custom options", () => {
		const url = getAvatarUrl("hd-180-1", {
			size: "l",
			direction: 1,
			headDirection: 2,
			headOnly: true,
			gesture: "sml",
			action: "sit",
		});
		expect(url).toContain("size=l");
		expect(url).toContain("direction=1");
		expect(url).toContain("head_direction=2");
		expect(url).toContain("headonly=1");
		expect(url).toContain("gesture=sml");
		expect(url).toContain("action=sit");
	});

	it("escapes figure values in the query string", () => {
		const url = getAvatarUrl("hd-180-1&x=1");
		expect(url).not.toContain("&x=1");
	});

	it("allows custom img_format", () => {
		const url = getAvatarUrl("hd-180-1", { img_format: "png" });
		expect(url).toContain("img_format=png");
	});

	it("allows custom effect", () => {
		const url = getAvatarUrl("hd-180-1", { effect: 0 });
		expect(url).toContain("effect=0");
	});

	it("uses epicnabbo.nl when no env var is set", () => {
		envMock.env.NEXT_PUBLIC_IMAGER_URL = undefined;
		const url = getAvatarUrl("hd-180-1");
		expect(url.startsWith("https://epicnabbo.nl/imaging/avatarimage?")).toBe(
			true,
		);
		expect(url).toContain("img_format=apng");
		expect(url).toContain("effect=14");
	});
});