// ABOUTME: Unit tests for get-fee-estimate MCP tool
// ABOUTME: Tests fee estimate retrieval and formatting
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
vi.mock('../kaspa/wallet.js', () => ({
getWallet: vi.fn(),
}));
vi.mock('../kaspa/api.js', () => ({
getApi: vi.fn(),
}));
import { getFeeEstimate } from './get-fee-estimate.js';
import { getWallet } from '../kaspa/wallet.js';
import { getApi } from '../kaspa/api.js';
describe('getFeeEstimate', () => {
const mockWallet = {
getNetworkId: vi.fn(),
};
const mockApi = {
getFeeEstimate: vi.fn(),
};
beforeEach(() => {
vi.mocked(getWallet).mockReturnValue(mockWallet as never);
vi.mocked(getApi).mockReturnValue(mockApi as never);
mockWallet.getNetworkId.mockReset();
mockApi.getFeeEstimate.mockReset();
});
afterEach(() => {
vi.restoreAllMocks();
});
it('returns fee estimates from API', async () => {
mockWallet.getNetworkId.mockReturnValue('mainnet');
mockApi.getFeeEstimate.mockResolvedValue({
priorityBucket: { feerate: 1.5 },
normalBuckets: [{ feerate: 1.0 }],
lowBuckets: [{ feerate: 0.5 }],
});
const result = await getFeeEstimate();
expect(result).toEqual({
priorityFee: '1.5',
normalFee: '1',
lowFee: '0.5',
});
expect(getApi).toHaveBeenCalledWith('mainnet');
});
it('returns 0 for normal fee when normalBuckets is empty', async () => {
mockWallet.getNetworkId.mockReturnValue('testnet-10');
mockApi.getFeeEstimate.mockResolvedValue({
priorityBucket: { feerate: 2.0 },
normalBuckets: [],
lowBuckets: [{ feerate: 0.5 }],
});
const result = await getFeeEstimate();
expect(result.normalFee).toBe('0');
});
it('returns 0 for low fee when lowBuckets is empty', async () => {
mockWallet.getNetworkId.mockReturnValue('testnet-11');
mockApi.getFeeEstimate.mockResolvedValue({
priorityBucket: { feerate: 2.0 },
normalBuckets: [{ feerate: 1.0 }],
lowBuckets: [],
});
const result = await getFeeEstimate();
expect(result.lowFee).toBe('0');
});
it('uses correct network from wallet', async () => {
mockWallet.getNetworkId.mockReturnValue('testnet-10');
mockApi.getFeeEstimate.mockResolvedValue({
priorityBucket: { feerate: 1.0 },
normalBuckets: [{ feerate: 0.5 }],
lowBuckets: [{ feerate: 0.25 }],
});
await getFeeEstimate();
expect(getApi).toHaveBeenCalledWith('testnet-10');
});
});
