Added tests (WIP, failing)

composeApp/src/commonMain/kotlin/domain/clues.kt

@@ -60,8 +60,10 @@ class TripletClue<C : ItemClass<C>>(val a: Item<C>, val b: Item<C>, val c: Item<
             return false
         }
 
-        if (ia == ib) {
-            return true
+        if (ia != -1 && ic != -1) {
+            if (ia + 2 == ic || ia == ic + 2) {
+                return true
+            }
         }
 
         if (isNeighbourRuleViolated(ia, ib) || isNeighbourRuleViolated(ib, ic)) {

composeApp/src/commonMain/kotlin/domain/grid.kt

@@ -32,7 +32,13 @@ fun List<List<Item<ItemClass<*>>>>.toGrid() = Grid(
         GameRow(
             category = row.first().itemType.companion,
             options = row,
-            cells = row.map { GameCell(selection = null, solution = it, options = row.toMutableList()) }
+            cells = row.map {
+                GameCell(
+                    selection = null,
+                    solution = it,
+                    options = row.toMutableList()
+                )
+            }
         )
     }
 )
@@ -48,7 +54,7 @@ class GameCell<C : ItemClass<C>>(
 
 class Item<C : ItemClass<C>>(
     val itemType: C,
-    val symbol: String
+    val symbol: String = itemType.symbols.random()
 ) {
     constructor(itemType: C) : this(itemType, itemType.symbols.random())
 

composeApp/src/commonTest/kotlin/domain/GameTest.kt

@@ -1,7 +1,10 @@
 package domain
 
 import ch.tutteli.atrium.api.fluent.en_GB.feature
+import ch.tutteli.atrium.api.fluent.en_GB.size
+import ch.tutteli.atrium.api.fluent.en_GB.toBeLessThan
 import ch.tutteli.atrium.api.fluent.en_GB.toEqual
+import ch.tutteli.atrium.api.fluent.en_GB.toHaveSize
 import ch.tutteli.atrium.api.verbs.expect
 import kotlin.test.Test
 
@@ -13,6 +16,9 @@ class GameTest {
         expect(game) {
             feature(Game::areCategoriesValid).toEqual(true)
             feature(Game::areRulesViolated).toEqual(false)
+            feature(Game::clues) {
+                feature(List<Clue>::size).toBeLessThan(30)
+            }
         }
     }
 

composeApp/src/commonTest/kotlin/domain/NeighbourClueTest.kt

@@ -0,0 +1,36 @@
+package domain
+
+import ch.tutteli.atrium.api.fluent.en_GB.feature
+import ch.tutteli.atrium.api.fluent.en_GB.size
+import ch.tutteli.atrium.api.fluent.en_GB.toBeLessThan
+import ch.tutteli.atrium.api.fluent.en_GB.toEqual
+import ch.tutteli.atrium.api.fluent.en_GB.toHaveSize
+import ch.tutteli.atrium.api.verbs.expect
+import domain.Item
+import kotlin.test.Test
+
+class NeighbourClueTest {
+    @Test
+    fun `ensure actual neighbours are valid`() {
+        val size = 5
+        val grid = ItemClass.randomClasses(size)
+            .map {
+                it.randomItems(size).map { item -> Item(item) }
+            }
+            .map { row ->
+                GameRow(
+                    category = row.first().itemType.companion,
+                    options = row,
+                    cells = row.map {
+                        GameCell(
+                            selection = it,
+                            solution = it,
+                            options = mutableListOf()
+                        )
+                    }
+                )
+            }
+
+        NeighbourClue(Item(Animals.ANT), Item(Profession.ASTRONAUT))
+    }
+}