jest.mock('../../src/config/networks', () => {
  return {
    networks: {
      arbitrum: { chainId: 42161, QuoterV2: { address: '0x1' } },
      polygon: { chainId: 137, QuoterV2: { address: '0x2' } },
      broken: { QuoterV2: { address: '0x3' } },
    },
  };
});

import {
  getAvailableNetworks,
  getNetworkConfig,
  hasNetwork,
} from '../../src/helpers/NetworkConfig';

describe('NetworkConfig behavior', () => {
  it('returns network config by name', () => {
    const config = getNetworkConfig('arbitrum' as any);
    expect(config.chainId).toBe(42161);
  });

  it('looks up by exact name', () => {
    const config = getNetworkConfig('polygon' as any);
    expect(config.chainId).toBe(137);
  });

  it('throws when network is missing', () => {
    expect(() => getNetworkConfig('missing' as any)).toThrow('not found');
  });

  it('throws when chainId is missing', () => {
    expect(() => getNetworkConfig('broken' as any)).toThrow('chainId');
  });

  it('lists available networks', () => {
    expect(getAvailableNetworks()).toEqual(
      expect.arrayContaining(['arbitrum', 'polygon', 'broken']),
    );
  });

  it('checks network existence', () => {
    expect(hasNetwork('arbitrum' as any)).toBe(true);
    expect(hasNetwork('unknown' as any)).toBe(false);
  });
});