add tests for depots data

Author: Dimitar5555

test/depots.test.js

@@ -0,0 +1,40 @@
+import { depots } from '../data/depots.js';
+import { expect, test } from 'vitest';
+
+test('each depot has required properties', () => {
+    for (const depot in depots) {
+        expect(depot).toHaveProperty('id');
+        expect(typeof depot.id).toBe('string');
+
+        expect(depot).toHaveProperty('name');
+        expect(typeof depot.name).toBe('string');
+
+        expect(depot).toHaveProperty('type');
+        expect(['bus', 'tram', 'trolleybus']).toContain(depot.type);
+
+        expect(depot).toHaveProperty('inv_number_ranges');
+        if(typeof depot.inv_number_ranges === 'object') {
+            expect(Array.isArray(depot.inv_number_ranges)).toBe(true);
+            for(const range of depot.inv_number_ranges) {
+                if (Array.isArray(range)) {
+                    expect(range.length).toBe(2);
+                    expect(typeof range[0]).toBe('number');
+                    expect(typeof range[1]).toBe('number');
+                    expect(range[0]).toBeLessThanOrEqual(range[1]);
+                }
+            }
+        }
+
+        expect(depot).toHaveProperty('geometry');
+        expect(Array.isArray(depot.geometry)).toBe(true);
+        for(const line of depot.geometry) {
+            expect(Array.isArray(line)).toBe(true);
+            for(const point of line) {
+                expect(Array.isArray(point)).toBe(true);
+                expect(point.length).toBe(2);
+                expect(typeof point[0]).toBe('number');
+                expect(typeof point[1]).toBe('number');
+            }
+        }
+    }
+});