add models tests

Author: Dimitar5555

test/models.test.js

@@ -0,0 +1,55 @@
+import { models } from '../data/models.js';
+import { expect, test } from 'vitest';
+
+test('only known types are present in models', () => {
+    const known_types = new Set(['bus', 'tram', 'trolleybus']);
+    for (const type in models) {
+        expect(known_types.has(type)).toBe(true);
+    }
+});
+
+test('models have correct structure', () => {
+    for (const type in models) {
+        for (const model of models[type]) {
+            expect(model).toHaveProperty('id');
+            expect(typeof model.id).toBe('string');
+
+            expect(model).toHaveProperty('name');
+            expect(typeof model.name).toBe('string');
+
+            if(type === 'tram') {
+                expect(model).toHaveProperty('gauge');
+                expect(typeof model.gauge).toBe('number');
+            }
+            else {
+                expect(model).not.toHaveProperty('gauge');
+            }
+
+            expect(model).toHaveProperty('inv_number_ranges');
+            expect(Array.isArray(model.inv_number_ranges)).toBe(true);
+            for (const range of model.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]);
+                }
+                else {
+                    expect(typeof range).toBe('number');
+                }
+            }
+        }
+    }
+});
+
+test('only allowed extras are present in models', () => {
+    const allowed_extras = new Set(['ac', 'low_floor', 'double_decker']);
+    for (const type in models) {
+        for (const model of models[type]) {
+            if (!model.extras) continue;
+            for (const extra of model.extras) {
+                expect(allowed_extras.has(extra)).toBe(true);
+            }
+        }
+    }
+});