test: Add growth mechanics tests

tests/growth.rs

@@ -0,0 +1,161 @@
+use bevy::ecs::system::RunSystemOnce;
+use pomomon_garden::features::config::components::{BerrySeedConfig, GameConfig};
+use pomomon_garden::features::grid::components::{Grid, Tile, TileState};
+use pomomon_garden::features::inventory::components::ItemType;
+use pomomon_garden::features::phase::components::{
+    CurrentPhase, Phase, SessionTracker, TimerSettings,
+};
+use pomomon_garden::features::phase::handle_continue;
+use pomomon_garden::features::phase::messages::NextPhaseMessage;
+use pomomon_garden::prelude::*;
+
+fn setup_growth_app(
+    grid_width: u32,
+    grid_height: u32,
+    initial_tile_states: &[(u32, u32, TileState)],
+) -> App {
+    let mut app = App::new();
+    app.add_plugins(MinimalPlugins);
+    app.add_plugins(AssetPlugin::default());
+
+    app.init_resource::<TimerSettings>();
+    app.init_resource::<SessionTracker>();
+    // Initialize phase as Finished(Focus) to trigger growth on continue
+    app.insert_resource(CurrentPhase(Phase::Finished {
+        completed_phase: Box::new(Phase::Focus { duration: 25.0 }),
+    }));
+
+    // GameConfig with known seeds
+    app.insert_resource(GameConfig {
+        berry_seeds: vec![BerrySeedConfig {
+            name: "FastSeed".into(),
+            cost: 1,
+            grants: 1,
+            slice: "".into(),
+            growth_stages: 2,
+        }],
+        ..Default::default()
+    });
+
+    // Grid Setup
+    let mut grid_tiles = Vec::with_capacity(grid_width as usize);
+    for x in 0..grid_width {
+        let mut column = Vec::with_capacity(grid_height as usize);
+        for y in 0..grid_height {
+            let entity = app
+                .world_mut()
+                .spawn((Tile { x, y }, TileState::Unclaimed))
+                .id();
+            column.push(entity);
+        }
+        grid_tiles.push(column);
+    }
+    app.insert_resource(Grid {
+        width: grid_width,
+        height: grid_height,
+        tiles: grid_tiles,
+    });
+
+    for &(x, y, ref state) in initial_tile_states {
+        if let Ok(entity) = app.world().resource::<Grid>().get_tile((x, y)) {
+            *app.world_mut().get_mut::<TileState>(entity).unwrap() = state.clone();
+        }
+    }
+
+    app.add_message::<NextPhaseMessage>();
+
+    app
+}
+
+#[test]
+fn test_crop_growth_logic() {
+    let seed_type = ItemType::BerrySeed {
+        name: "FastSeed".into(),
+    };
+
+    // Scenario:
+    // (0,0): Watered, Stage 0 -> Should grow to 1, become unwatered
+    // (1,0): Unwatered, Stage 0 -> Should NOT grow, stay unwatered
+    // (2,0): Watered, Stage 2 (Max) -> Should NOT grow, become unwatered
+
+    let initial_states = vec![
+        (
+            0,
+            0,
+            TileState::Occupied {
+                seed: seed_type.clone(),
+                watered: true,
+                growth_stage: 0,
+            },
+        ),
+        (
+            1,
+            0,
+            TileState::Occupied {
+                seed: seed_type.clone(),
+                watered: false,
+                growth_stage: 0,
+            },
+        ),
+        (
+            2,
+            0,
+            TileState::Occupied {
+                seed: seed_type.clone(),
+                watered: true,
+                growth_stage: 2, // Max
+            },
+        ),
+    ];
+
+    let mut app = setup_growth_app(3, 1, &initial_states);
+
+    app.world_mut().write_message(NextPhaseMessage);
+    let _ = app.world_mut().run_system_once(handle_continue);
+    let grid = app.world().resource::<Grid>();
+
+    // Check (0,0)
+    let t1 = grid.get_tile((0, 0)).unwrap();
+    let s1 = app.world().entity(t1).get::<TileState>().unwrap();
+    match s1 {
+        TileState::Occupied {
+            watered,
+            growth_stage,
+            ..
+        } => {
+            assert_eq!(*growth_stage, 1, "(0,0) should grow to stage 1");
+            assert_eq!(*watered, false, "(0,0) should be unwatered");
+        }
+        _ => panic!("Invalid state at (0,0)"),
+    }
+
+    // Check (1,0)
+    let t2 = grid.get_tile((1, 0)).unwrap();
+    let s2 = app.world().entity(t2).get::<TileState>().unwrap();
+    match s2 {
+        TileState::Occupied {
+            watered,
+            growth_stage,
+            ..
+        } => {
+            assert_eq!(*growth_stage, 0, "(1,0) should stay at stage 0");
+            assert_eq!(*watered, false, "(1,0) should be unwatered");
+        }
+        _ => panic!("Invalid state at (1,0)"),
+    }
+
+    // Check (2,0)
+    let t3 = grid.get_tile((2, 0)).unwrap();
+    let s3 = app.world().entity(t3).get::<TileState>().unwrap();
+    match s3 {
+        TileState::Occupied {
+            watered,
+            growth_stage,
+            ..
+        } => {
+            assert_eq!(*growth_stage, 2, "(2,0) should stay at stage 2 (max)");
+            assert_eq!(*watered, false, "(2,0) should be unwatered");
+        }
+        _ => panic!("Invalid state at (2,0)"),
+    }
+}