expect(loadModelCatalog).toHaveBeenCalledTimes(1);

});

it("does not cache an empty catalog so the next request retries", async () => {

const emptyCatalog: GatewayModelChoice[] = [];

const freshCatalog = [model("gpt-5.5")];

const loadModelCatalog = vi

.fn<LoadModelCatalogForTest>()

.mockResolvedValueOnce(emptyCatalog)

.mockResolvedValueOnce(freshCatalog);

await expect(loadGatewayModelCatalog({ getConfig, loadModelCatalog })).resolves.toBe(

emptyCatalog,

);

await expect(loadGatewayModelCatalog({ getConfig, loadModelCatalog })).resolves.toBe(

freshCatalog,

);

expect(loadModelCatalog).toHaveBeenCalledTimes(2);

});

it("returns the last catalog while a stale reload refresh is still pending", async () => {

const staleCatalog = [model("gpt-5.4")];

const freshCatalog = [model("gpt-5.5")];