(jenkins)
75 lines
2.5 KiB
JavaScript
75 lines
2.5 KiB
JavaScript
const request = require('supertest');
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const { app, calculateDestination } = require('../app/server');
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// Mock pg Pool
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jest.mock('pg', () => {
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const mPool = {
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query: jest.fn(),
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on: jest.fn(),
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end: jest.fn(),
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};
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return { Pool: jest.fn(() => mPool) };
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});
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const { Pool } = require('pg');
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const pool = new Pool();
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describe('Line of Sight Backend', () => {
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beforeEach(() => {
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jest.clearAllMocks();
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});
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describe('calculateDestination', () => {
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test('should calculate correct destination for North (0 degrees)', () => {
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const start = { lat: 0, lon: 0 };
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const dest = calculateDestination(start.lat, start.lon, 0, 111.12); // ~1 degree North
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expect(dest.lat).toBeCloseTo(1, 1);
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expect(dest.lon).toBeCloseTo(0, 1);
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});
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test('should calculate correct destination for East (90 degrees)', () => {
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const start = { lat: 0, lon: 0 };
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const dest = calculateDestination(start.lat, start.lon, 90, 111.12); // ~1 degree East at equator
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expect(dest.lat).toBeCloseTo(0, 1);
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expect(dest.lon).toBeCloseTo(1, 1);
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});
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});
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describe('GET /api/health', () => {
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test('should return 200 OK', async () => {
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const response = await request(app).get('/api/health');
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expect(response.status).toBe(200);
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expect(response.body.status).toBe('ok');
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});
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});
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describe('GET /api/line-of-sight', () => {
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test('should return valid response structure', async () => {
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// Mock the water checks and the main city query
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pool.query
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.mockResolvedValueOnce({ rows: [{ has_land: true }] }) // Simplified for tests, it actually calls many times
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.mockResolvedValue({ rows: [{ id: 1, name: 'London', population: 9000000, country: 'GB', lat: 51.5, lon: -0.1, distance_off_line_km: 0, distance_from_start_km: 0, pos_on_line: 0 }] });
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const response = await request(app)
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.get('/api/line-of-sight')
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.query({ lat: 51.5, lon: -0.1, direction: 45, tolerance: 50 });
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expect(response.status).toBe(200);
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expect(response.body.success).toBe(true);
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expect(response.body.data.conurbations).toBeDefined();
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expect(response.body.data.line_coordinates).toBeDefined();
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});
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test('should handle database errors', async () => {
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pool.query.mockRejectedValue(new Error('DB Error'));
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const response = await request(app)
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.get('/api/line-of-sight')
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.query({ lat: 51.5, lon: -0.1, direction: 45, tolerance: 50 });
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expect(response.status).toBe(500);
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expect(response.body.success).toBe(false);
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});
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});
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});
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