refactor: Extract shared test setup to common module

tests/common/mod.rs

@@ -0,0 +1,69 @@
+use bevy::prelude::*;
+use pomomon_garden::features::config::components::{BerrySeedConfig, GameConfig};
+use pomomon_garden::features::grid::components::{Grid, Tile, TileState};
+use pomomon_garden::features::inventory::components::{Inventory, ItemStack, ItemType};
+
+pub fn setup_app(
+    grid_width: u32,
+    grid_height: u32,
+    initial_tile_states: &[(u32, u32, TileState)],
+    initial_inventory: Vec<(ItemType, u32)>,
+    seed_configs: Option<Vec<BerrySeedConfig>>,
+) -> App {
+    let mut app = App::new();
+    app.add_plugins(MinimalPlugins);
+    app.add_plugins(AssetPlugin::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();
+        }
+    }
+
+    // Inventory Setup
+    let mut inventory_items = Vec::new();
+    for (item_type, amount) in initial_inventory {
+        let id = app.world_mut().spawn(ItemStack { item_type, amount }).id();
+        inventory_items.push(id);
+    }
+    app.insert_resource(Inventory {
+        items: inventory_items,
+    });
+
+    // Game Config
+    let seeds = seed_configs.unwrap_or_else(|| {
+        vec![BerrySeedConfig {
+            name: "TestSeed".to_string(),
+            cost: 1,
+            grants: 1,
+            slice: "seed.aseprite".to_string(),
+            growth_stages: 2,
+        }]
+    });
+
+    app.insert_resource(GameConfig {
+        berry_seeds: seeds,
+        ..Default::default()
+    });
+
+    app
+}