[MIRROR] Adds unit test for spawned food edibility (#3704)

* Adds unit test for spawned food edibility (#57232)

* Adds unit test for spawned food having reagents

- Adds stack trace for biting food failing due to a lack of reagents
- Adds checks for seed var being set under food/grown's initialize() in grown.dm
- Fixes issue with gondola meat code duplicated for penguin meat slabs resulting in a runtime and being unable to slice penguin meat
- Adds seeds for bombananas

Co-authored-by: Mothblocks <35135081+Mothblocks@ users.noreply.github.com>

* Adds unit test for spawned food edibility

Co-authored-by: cacogen <25089914+cacogen@users.noreply.github.com>
Co-authored-by: Mothblocks <35135081+Mothblocks@ users.noreply.github.com>

code/modules/unit_tests/_unit_tests.dm

@@ -49,6 +49,7 @@
 #include "designs.dm"
 #include "dynamic_ruleset_sanity.dm"
 #include "emoting.dm"
+#include "food_edibility_check.dm"
 #include "heretic_knowledge.dm"
 #include "holidays.dm"
 #include "hydroponics_harvest.dm"

code/modules/unit_tests/food_edibility_check.dm

@@ -0,0 +1,24 @@
+/// Makes sure that spawned food has reagents and the edible component (or else it can't be eaten).
+/datum/unit_test/food_edibility_check
+
+/datum/unit_test/food_edibility_check/Run()
+	var/list/not_food = list(
+		/obj/item/food/grown,
+		/obj/item/food/grown/mushroom,
+		/obj/item/food/deepfryholder,
+		/obj/item/food/clothing,
+		/obj/item/food/meat/slab/human/mutant,
+		/obj/item/food/grown/shell)
+
+	var/list/food_paths = subtypesof(/obj/item/food) - not_food
+
+	for(var/food_path in food_paths)
+		var/obj/item/food/spawned_food = allocate(food_path)
+
+		if(!spawned_food.reagents)
+			Fail("[food_path] does not have any reagents, making it inedible!")
+
+		if(!IS_EDIBLE(spawned_food))
+			Fail("[food_path] does not have the edible component, making it inedible!")
+
+		qdel(spawned_food)