# Performance Test Scenarios ## PT-01: Single Tile Download Latency **Trigger**: GET /api/satellite/tiles/latlon (uncached tile) **Load**: 1 request **Expected**: Response within 30s (includes Google Maps round-trip) **Pass criterion**: Response time < 30000ms; HTTP 200 ## PT-02: Cached Tile Retrieval Latency **Trigger**: GET /api/satellite/tiles/latlon (cached tile) **Load**: 1 request **Expected**: Response within 500ms (DB lookup + response) **Pass criterion**: Response time < 500ms; HTTP 200 ## PT-03: Region Processing Throughput (200m) **Trigger**: POST /api/satellite/request with 200m region **Load**: 1 region **Expected**: Complete processing within 60s **Pass criterion**: status="completed" within 60s; tiles downloaded > 0 ## PT-04: Region Processing Throughput (500m with stitch) **Trigger**: POST /api/satellite/request with 500m region + stitch **Load**: 1 region **Expected**: Complete processing within 120s (more tiles + stitching) **Pass criterion**: status="completed" within 120s; stitched image exists ## PT-05: Concurrent Region Requests **Trigger**: 5 simultaneous POST /api/satellite/request (different coordinates) **Load**: 5 concurrent requests **Expected**: All queued immediately; all complete within 5 minutes **Pass criterion**: All 5 regions reach status="completed"; queue does not reject ## PT-06: Route Point Interpolation Speed **Trigger**: POST /api/satellite/route with 20 points **Load**: 1 request **Expected**: Route created (with interpolation) within 5s **Pass criterion**: HTTP 200 response within 5000ms; totalPoints > 20