Files

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JavaScript

import { afterEach, describe, expect, it, vi } from 'vitest';
vi.mock('../../opencode/auth.js', () => ({
readAuthFile: () => ({ 'github-copilot': { access: 'test-token' } }),
}));
import { fetchQuota, fetchQuotaAddon } from './copilot.js';
afterEach(() => {
vi.unstubAllGlobals();
});
const payload = {
quota_reset_date: '2026-09-01T00:00:00Z',
quota_snapshots: {
chat: { entitlement: 100, remaining: 80 },
completions: { entitlement: 1000, remaining: 900 },
premium_interactions: { entitlement: 300, remaining: 225 },
},
};
const mockResponse = (body = payload) => ({
ok: true,
status: 200,
json: async () => body,
});
describe('GitHub Copilot quota provider', () => {
it.each([
['primary provider', fetchQuota],
['add-on provider', fetchQuotaAddon],
])('exposes only premium interactions for the %s', async (_name, fetchProviderQuota) => {
vi.stubGlobal('fetch', vi.fn().mockResolvedValue(mockResponse()));
const result = await fetchProviderQuota();
expect(result.ok).toBe(true);
expect(Object.keys(result.usage.windows)).toEqual(['premium_interactions']);
expect(result.usage.windows.premium_interactions.usedPercent).toBe(25);
expect(result.usage.windows.premium_interactions.valueLabel).toBe('225 / 300 left');
});
it.each([
['primary provider', fetchQuota],
['add-on provider', fetchQuotaAddon],
])('reports unlimited plans without a percent for the %s', async (_name, fetchProviderQuota) => {
vi.stubGlobal('fetch', vi.fn().mockResolvedValue(mockResponse({
quota_reset_date: '2026-09-01T00:00:00Z',
quota_snapshots: {
premium_interactions: { unlimited: true, entitlement: -1, remaining: -1 },
},
})));
const result = await fetchProviderQuota();
expect(result.ok).toBe(true);
expect(result.usage.windows.premium_interactions.usedPercent).toBeNull();
expect(result.usage.windows.premium_interactions.valueLabel).toBe('Unlimited');
});
it.each([
['primary provider', fetchQuota],
['add-on provider', fetchQuotaAddon],
])('falls back to percent_remaining when entitlement is unusable for the %s', async (_name, fetchProviderQuota) => {
vi.stubGlobal('fetch', vi.fn().mockResolvedValue(mockResponse({
quota_reset_date: '2026-09-01T00:00:00Z',
quota_snapshots: {
premium_interactions: { entitlement: 0, remaining: 0, percent_remaining: 75.5 },
},
})));
const result = await fetchProviderQuota();
expect(result.ok).toBe(true);
expect(result.usage.windows.premium_interactions.usedPercent).toBeCloseTo(24.5);
expect(result.usage.windows.premium_interactions.valueLabel ?? null).toBeNull();
});
});