import { describe, it, expect } from "vitest";
import { videoFitClass } from "./videoFit";

describe("videoFitClass", () => {
  it("fills the container instead of capping at the source's intrinsic size", () => {
    const cls = videoFitClass();
    // max-w/max-h only shrink oversized media; a 480p source would stay a small
    // box in the middle of a large window.
    expect(cls).not.toContain("max-w-full");
    expect(cls).not.toContain("max-h-full");
    expect(cls).toContain("w-full");
    expect(cls).toContain("h-full");
  });

  it("preserves aspect ratio while fitting (letterbox, never crop)", () => {
    const cls = videoFitClass();
    expect(cls).toContain("object-contain");
    expect(cls).not.toContain("object-cover");
    expect(cls).not.toContain("object-fill");
  });
});