5 colors /level, sound when ball or brick change color

src/loadGameData.test.ts

@@ -0,0 +1,28 @@
+
+import _palette from "./palette.json";
+import _rawLevelsList from "./levels.json";
+import _appVersion from "./version.json";
+
+describe('json data checks', ()=>{
+    it('_rawLevelsList has icon levels', ()=>{
+        expect(_rawLevelsList.filter(l=>l.name.startsWith('icon:')).length).toBeGreaterThan(10)
+    })
+    it('_rawLevelsList has non-icon few levels', ()=>{
+        expect(_rawLevelsList.filter(l=>!l.name.startsWith('icon:')).length).toBeGreaterThan(10)
+    })
+
+    it('_rawLevelsList has max 5 colors per level', ()=>{
+        const levelsWithManyBrickColors=_rawLevelsList.filter(l=>{
+
+            const uniqueBricks = l.bricks.split('').filter(b=>b!=='_' && b!=='black').filter((a,b,c)=>c.indexOf(a)===b)
+            return uniqueBricks.length>5
+        }).map(l=>l.name)
+        expect(levelsWithManyBrickColors).toEqual([])
+    })
+    it('Has a few colors', ()=>{
+        expect(Object.keys(_palette).length).toBeGreaterThan(10)
+    })
+    it('Has an _appVersion', ()=>{
+        expect(parseInt(_appVersion)).toBeGreaterThan(2000)
+    })
+})