// The shared fake `t` (#389): its mark is the convention every assertion reads.
import { describe, it, expect } from "vitest";
import { i18nMock, markedT } from "./i18nMock";

describe("markedT", () => {
  it("marks a key without options", () => {
    expect(markedT("license.removeKey.confirmValid")).toBe("t(license.removeKey.confirmValid)");
  });

  it("marks a key with its options, in their order", () => {
    expect(markedT("budget.count", { count: 2, name: "x" })).toBe("t(budget.count[count=2,name=x])");
  });

  it("never returns the bare key", () => {
    expect(markedT("a.b")).not.toBe("a.b");
  });
});

describe("i18nMock", () => {
  it("hands out the marked t and the French language by default", () => {
    const { t, i18n } = i18nMock().useTranslation();
    expect(t("a.b", { n: 1 })).toBe("t(a.b[n=1])");
    expect(i18n.language).toBe("fr");
  });

  it("reads a language function at each access", () => {
    let language = "fr";
    const { i18n } = i18nMock({ language: () => language }).useTranslation();
    expect(i18n.language).toBe("fr");
    language = "en";
    expect(i18n.language).toBe("en");
  });

  it("returns the fixture value for a fixture key, the mark for any other", () => {
    const value = [{ id: "x" }];
    const { t } = i18nMock({ fixture: { "docs.a.subsections": value } }).useTranslation();
    expect(t("docs.a.subsections", { returnObjects: true })).toBe(value);
    expect(t("docs.b.subsections", { returnObjects: true })).toBe("t(docs.b.subsections[returnObjects=true])");
    expect(t("toString")).toBe("t(toString)");
  });
});