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import { describe, expect, it } from "vitest";
import {
isVisionModel,
joinModelName,
modelKeys,
modelsForKey,
splitModelName,
} from "./model-select";
describe("splitModelName", () => {
it("splits on the first slash", () => {
expect(splitModelName("openai/gpt-4")).toEqual({ key: "openai", model: "gpt-4" });
});
it("keeps slashes in the model part (splits only the first)", () => {
expect(splitModelName("openrouter/anthropic/claude")).toEqual({
key: "openrouter",
model: "anthropic/claude",
});
});
it("treats a slashless name as all key", () => {
expect(splitModelName("local")).toEqual({ key: "local", model: "" });
});
});
describe("joinModelName", () => {
it("recombines key + model", () => {
expect(joinModelName("openai", "gpt-4")).toBe("openai/gpt-4");
});
it("returns just the key when the model is empty", () => {
expect(joinModelName("local", "")).toBe("local");
});
it("round-trips with splitModelName", () => {
const full = "openrouter/anthropic/claude";
const { key, model } = splitModelName(full);
expect(joinModelName(key, model)).toBe(full);
});
});
describe("modelKeys", () => {
it("returns distinct keys in first-seen order", () => {
expect(
modelKeys(["openai/gpt-4", "openai/gpt-4o", "anthropic/claude-3", "google/gemini"]),
).toEqual(["openai", "anthropic", "google"]);
});
it("is empty for no models", () => {
expect(modelKeys([])).toEqual([]);
});
});
describe("modelsForKey", () => {
it("returns the model suffixes under a key, in order", () => {
const models = ["openai/gpt-4", "anthropic/claude-3", "openai/gpt-4o"];
expect(modelsForKey(models, "openai")).toEqual(["gpt-4", "gpt-4o"]);
});
it("returns empty for an unknown key", () => {
expect(modelsForKey(["openai/gpt-4"], "anthropic")).toEqual([]);
});
});
describe("isVisionModel", () => {
it("returns true when modelInfo[name].vision is true", () => {
const info = { "kimi/k2": { vision: true } };
expect(isVisionModel(info, "kimi/k2")).toBe(true);
});
it("returns false when vision is false", () => {
const info = { "umans/glm-5.2": { vision: false } };
expect(isVisionModel(info, "umans/glm-5.2")).toBe(false);
});
it("returns false when vision is absent (unknown)", () => {
const info = { "umans/glm-5.2": { contextWindow: 128000 } };
expect(isVisionModel(info, "umans/glm-5.2")).toBe(false);
});
it("returns false for a model with no metadata entry at all", () => {
expect(isVisionModel({}, "unknown/model")).toBe(false);
});
it("returns false for an empty modelInfo map", () => {
expect(isVisionModel({}, "kimi/k2")).toBe(false);
});
});
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