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import { describe, expect, it } from "vitest";
import { resolveImageUrl } from "./image-url";
const BASE = "http://localhost:24203";
describe("resolveImageUrl", () => {
it("returns a data URL as-is (the optimistic echo / a pasted image)", () => {
const dataUrl = "data:image/png;base64,iVBORw0KGgo=";
expect(resolveImageUrl(dataUrl, BASE)).toBe(dataUrl);
});
it("returns an absolute http URL as-is", () => {
const abs = "https://example.com/img.png";
expect(resolveImageUrl(abs, BASE)).toBe(abs);
});
it("prepends the api base to a relative /images/ path", () => {
expect(resolveImageUrl("/images/conv-123/abc-456.png", BASE)).toBe(
"http://localhost:24203/images/conv-123/abc-456.png",
);
});
it("does not double the slash when the base has a trailing slash", () => {
expect(resolveImageUrl("/images/c/x.png", "http://localhost:24203/")).toBe(
"http://localhost:24203/images/c/x.png",
);
});
it("adds a leading slash to a path-relative url without one", () => {
expect(resolveImageUrl("images/c/x.png", BASE)).toBe("http://localhost:24203/images/c/x.png");
});
it("returns the relative path as-is when apiBase is empty (root-relative)", () => {
// A browser resolves a root-relative `/images/…` against the document origin.
expect(resolveImageUrl("/images/c/x.png", "")).toBe("/images/c/x.png");
});
it("handles a relative path with an empty apiBase (path-relative without slash)", () => {
expect(resolveImageUrl("images/c/x.png", "")).toBe("/images/c/x.png");
});
it("returns a data URL as-is even with an empty apiBase", () => {
const dataUrl = "data:image/jpeg;base64,AAAA";
expect(resolveImageUrl(dataUrl, "")).toBe(dataUrl);
});
});
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