File size: 2,217 Bytes
3201ca6 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | import { render, screen } from "@testing-library/react";
import { describe, expect, it, vi } from "vitest";
import { ContextMeter } from "./context-meter";
vi.mock("react-i18next", () => ({
useTranslation: () => ({ t: (key: string) => key }),
}));
// The percentage math itself (zero-window guard, 100% cap) is covered by
// __tests__/utils/format-token-count.test.ts; these tests cover rendering.
describe("ContextMeter", () => {
it("renders the raw token numbers", () => {
render(<ContextMeter perTurnToken={17994} contextWindow={1000000} />);
expect(screen.getByTestId("context-meter")).toHaveTextContent(
`${(17994).toLocaleString()} / ${(1000000).toLocaleString()}`,
);
});
it("stays neutral below the warning threshold", () => {
render(<ContextMeter perTurnToken={50} contextWindow={100} />);
const bar = screen.getByTestId("context-meter-bar");
expect(bar).toHaveClass("bg-foreground");
expect(bar).toHaveClass("rounded-full");
expect(bar.style.width).toBe("50%");
});
it("warns above 70% fill", () => {
render(<ContextMeter perTurnToken={75} contextWindow={100} />);
expect(screen.getByTestId("context-meter-bar")).toHaveClass("bg-amber-500");
});
it("signals danger above 90% fill", () => {
render(<ContextMeter perTurnToken={95} contextWindow={100} />);
expect(screen.getByTestId("context-meter-bar")).toHaveClass("bg-red-500");
expect(screen.getByTestId("context-meter")).toHaveTextContent(
"95% CONVERSATION$USED (5% CONVERSATION$LEFT)",
);
});
it("caps the bar width at 100%", () => {
render(<ContextMeter perTurnToken={150} contextWindow={100} />);
expect(screen.getByTestId("context-meter-bar").style.width).toBe("100%");
});
it("shows an unknown-window state instead of 'x / 0' when the window is unreported", () => {
render(<ContextMeter perTurnToken={31778} contextWindow={0} />);
const meter = screen.getByTestId("context-meter");
expect(meter).toHaveTextContent("CONVERSATION$CONTEXT_WINDOW_UNKNOWN");
expect(meter).toHaveTextContent((31778).toLocaleString());
expect(meter).not.toHaveTextContent("/ 0");
expect(meter).not.toHaveTextContent("0.0%");
});
});
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