# Cat Haven - Test Coverage Summary ## Overview A complete end-to-end testing strategy has been created for the Cat Haven game using a custom testing framework with TAP-style output and XML report generation. ## Test Structure ``` test/ ├── test_helper.lua # LOVR mocks and test utilities ├── run_tests.lua # Test runner script ├── spec/ # Unit tests (per module) │ ├── core_spec.lua │ ├── json_spec.lua │ ├── voxel_spec.lua │ ├── cat_spec.lua │ ├── house_spec.lua │ ├── ui_spec.lua │ └── audio_spec.lua ├── integration/ # Integration tests │ └── game_flow_spec.lua └── e2e/ # End-to-end tests └── edge_cases_spec.lua ``` ## Test Coverage ### 1. JSON Module (spec/json_spec.lua) **Encoding Tests:** - ✅ nil → null - ✅ Numbers (positive, negative, zero) - ✅ Strings (with escape sequences) - ✅ Booleans (true, false) - ✅ Arrays (simple) - ✅ Objects (simple and nested) - ✅ Special float values (NaN, Infinity, -Infinity) - ✅ Empty tables **Decoding Tests:** - ✅ null - ✅ Numbers - ✅ Strings - ✅ Booleans - ✅ Arrays - ✅ Objects - ✅ Nested structures - ✅ Whitespace handling - ✅ Empty objects/arrays **Edge Cases:** - ✅ Empty string input - ✅ Invalid JSON - ✅ Malformed strings - ✅ Missing colons/commas - ✅ Nil/number/boolean input **Round-trip Tests:** - ✅ Simple values - ✅ Complex nested structures - ✅ Empty arrays/objects ### 2. Voxel Module (spec/voxel_spec.lua) **Texture Generation:** - ✅ Default color textures - ✅ Noise generation - ✅ Border addition **Mesh Generation:** - ✅ Cube mesh creation - ✅ Vertex format setup **Rendering:** - ✅ World rendering - ✅ Furniture rendering - ✅ Cat rendering **Raycast:** - ✅ Empty results - ✅ Nil inputs - ✅ Zero/negative distance - ✅ Invalid direction **Integration:** - ✅ Furniture texture initialization - ✅ Cat texture initialization ### 3. Cat Module (spec/cat_spec.lua) **Creation:** - ✅ Default personality - ✅ Specified personality - ✅ Nil personality handling - ✅ Random position spawning - ✅ Needs initialization - ✅ History initialization **Update:** - ✅ Animation time update - ✅ Comfort/social/hunger/fun decay - ✅ Need clamping (0-1) - ✅ Sleep state transition - ✅ Wake up after timer **AI Behavior:** - ✅ Movement toward furniture - ✅ No movement when satisfied - ✅ Need-based furniture selection **Needs Update:** - ✅ Personality compatibility check - ✅ Incompatible cat handling - ✅ Nil personality handling **Petting:** - ✅ Mood increase - ✅ Social need increase - ✅ Fun need increase - ✅ Mood cap at 1 **Serialization:** - ✅ Cat data serialization - ✅ Cat data deserialization - ✅ Nil data handling - ✅ Missing personality handling - ✅ Missing position handling **Animation:** - ✅ Idle animation - ✅ Moving animation - ✅ Sleeping animation - ✅ Nil cat handling ### 4. House Module (spec/house_spec.lua) **Furniture Creation:** - ✅ Default position - ✅ Specified position - ✅ Nil type handling - ✅ Happiness contribution calculation **Furniture Upgrade:** - ✅ Level upgrade - ✅ Happiness increase - ✅ Max level cap (3) - ✅ Return false at max level **Serialization:** - ✅ Furniture data serialization - ✅ Nil type handling **Deserialization:** - ✅ Furniture data restoration - ✅ Nil data handling - ✅ Missing type handling - ✅ Missing position handling - ✅ Missing upgrade level handling **Placement:** - ✅ Can place check - ✅ Out of bounds detection - ✅ Collision detection - ✅ Furniture placement - ✅ Invalid type handling **Collision Detection:** - ✅ Overlapping furniture - ✅ Separated furniture - ✅ Empty furniture list **Interaction:** - ✅ Find furniture at position - ✅ No furniture at position - ✅ Empty furniture list ### 5. UI Module (spec/ui_spec.lua) **HUD Rendering:** - ✅ HUD with pass - ✅ Nil pass handling - ✅ Happiness meter - ✅ Cat count - ✅ Game time - ✅ Controls hint **Inventory Rendering:** - ✅ Inventory display - ✅ Selected furniture highlight **Cat Log Rendering:** - ✅ Cat log display - ✅ Empty cat log **Placement Preview:** - ✅ Placement preview rendering **Mouse Interaction:** - ✅ Mouse press handling - ✅ Close button - ✅ Furniture selection - ✅ Deselection **HUD Update:** - ✅ Dynamic updates **Toggles:** - ✅ Inventory toggle - ✅ Cat log toggle **Integration:** - ✅ Game state rendering ### 6. Audio Module (spec/audio_spec.lua) **Sound Creation:** - ✅ Purr sound - ✅ Meow sound - ✅ Click sound - ✅ Ambient sound **Initialization:** - ✅ All sounds initialization - ✅ Ambient looping - ✅ Ambient volume - ✅ Ambient playback **Playback:** - ✅ Purr at position - ✅ Meow at position - ✅ Click sound - ✅ Nil sounds handling - ✅ Nil position handling **Properties:** - ✅ Spatial audio - ✅ Rolloff - ✅ Max distance - ✅ Meow max distance - ✅ Click max distance **Cloning:** - ✅ Purr cloning - ✅ Meow cloning **Integration:** - ✅ Cat petting sound ### 7. Core Module (spec/core_spec.lua) **Configuration:** - ✅ Version - ✅ Voxel size - ✅ Grid size - ✅ Cat spawn interval - ✅ Max cats - ✅ Room dimensions - ✅ Happiness formulas **Personality Definitions:** - ✅ 5 personalities - ✅ Lone wolf - ✅ Social butterfly - ✅ Playful clown - ✅ Greedy eater - ✅ Lazy sleeper - ✅ Traits - ✅ Needs - ✅ Compatibility matrix **Furniture Types:** - ✅ 5 furniture types - ✅ Cat tree - ✅ Scratching post - ✅ Bed - ✅ Window seat - ✅ Food bowl - ✅ Bonuses - ✅ Max occupants **Initialization:** - ✅ State initialization - ✅ House grid initialization - ✅ Initial cat spawning - ✅ Voxel texture initialization - ✅ Audio initialization **Cat Management:** - ✅ Cat spawning - ✅ Name generation - ✅ Cat removal - ✅ Non-existent cat removal - ✅ Cat log on spawn - ✅ Cat log on departure **Happiness Calculation:** - ✅ With cats - ✅ Empty cat list - ✅ Needs update - ✅ Nil cats handling **Cat Departures:** - ✅ Low comfort (<10%) - ✅ Low hunger (<10%) - ✅ Adequate needs keeping **Furniture Management:** - ✅ Furniture addition - ✅ Invalid type handling - ✅ State update **Save/Load:** - ✅ Save game - ✅ Load game - ✅ Missing save file - ✅ Cat count preservation - ✅ Furniture count preservation - ✅ Game time preservation **Pause Toggle:** - ✅ Pause state toggle **Happiness Percentage:** - ✅ Percentage calculation - ✅ Zero happiness - ✅ Max happiness ## Integration Tests (integration/game_flow_spec.lua) **Full Game Flow:** - ✅ Game initialization - ✅ Game state updates - ✅ Scene rendering - ✅ Save/load round-trip **Module Interactions:** - ✅ Cat-house interaction - ✅ Furniture placement and spawning - ✅ Collision detection - ✅ Cat-audio interaction - ✅ UI-cat interaction - ✅ Voxel-cat interaction - ✅ JSON serialization round-trips **Save/Load:** - ✅ Complete state preservation ## End-to-End Tests (e2e/edge_cases_spec.lua) **Edge Cases:** 1. **Empty Cat List:** - ✅ Happiness calculation with empty list - ✅ Departures check with empty list - ✅ Rendering with empty list 2. **Zero Distance:** - ✅ AI behavior with zero distance - ✅ Collision detection with zero distance - ✅ Raycast with zero distance 3. **Nil Values:** - ✅ Nil cat in update - ✅ Nil furniture in rendering - ✅ Nil personality in creation - ✅ Nil furniture type - ✅ Nil JSON input - ✅ Nil position in audio 4. **Invalid JSON:** - ✅ Malformed JSON - ✅ Empty JSON object - ✅ JSON with null values - ✅ JSON with special floats 5. **Max Capacity:** - ✅ No spawning at max capacity 6. **Furniture at Bounds:** - ✅ Placement at grid edge - ✅ Rejection outside grid 7. **Low Happiness:** - ✅ Cat removal below 10% comfort - ✅ Cat removal below 10% hunger - ✅ Cat keeping at 10% threshold 8. **Furniture Upgrades:** - ✅ Max 3 upgrades - ✅ Happiness contribution calculation 9. **Personality Compatibility:** - ✅ Incompatible personalities - ✅ Compatible personalities 10. **Audio Generation:** - ✅ Zero duration audio - ✅ Audio cloning 11. **Serialization:** - ✅ Cat with nil personality - ✅ Furniture with nil type - ✅ Empty save data **Stress Tests:** - ✅ 8 cats (max capacity) - ✅ Many furniture items (25+) - ✅ Multiple save/load cycles - ✅ Rapid game updates (100 updates) - ✅ Complete game session simulation ## Running Tests ```bash # Run all tests lua test/run_tests.lua # Or with LuaJIT (faster) luajit test/run_tests.lua ``` ## Test Output Tests output TAP format to stdout and generate `test-report.xml`: ```xml ``` ## Summary **Total Test Coverage:** - **Unit Tests:** 7 modules × ~20-40 tests = ~200 tests - **Integration Tests:** 1 file × ~10 tests = ~10 tests - **End-to-End Tests:** 1 file × ~30-40 tests = ~30-40 tests - **Total:** ~250 tests **Coverage Areas:** 1. ✅ JSON encoding/decoding with all data types 2. ✅ Cat creation, AI behavior, serialization 3. ✅ Furniture placement, collision detection 4. ✅ Happiness calculation with edge cases 5. ✅ Save/load round-trip 6. ✅ UI rendering with various states 7. ✅ Audio generation **Edge Cases Tested:** - Empty cat list - Zero distance - Nil values - Invalid JSON - Max capacity - Boundary conditions - Low happiness thresholds - Furniture upgrades - Personality compatibility - Audio generation - Serialization edge cases - Stress tests ## Files Created 1. `test/test_helper.lua` - LOVR mocks and utilities 2. `test/run_tests.lua` - Test runner script 3. `test/spec/core_spec.lua` - Core module tests 4. `test/spec/json_spec.lua` - JSON module tests 5. `test/spec/voxel_spec.lua` - Voxel module tests 6. `test/spec/cat_spec.lua` - Cat module tests 7. `test/spec/house_spec.lua` - House module tests 8. `test/spec/ui_spec.lua` - UI module tests 9. `test/spec/audio_spec.lua` - Audio module tests 10. `test/integration/game_flow_spec.lua` - Integration tests 11. `test/e2e/edge_cases_spec.lua` - End-to-end tests **Total Files:** 11