Coverage Summary for Class: CategoryTreeGroup (com.georgeci.moneysurfer.feature.category.picker)

 package com.georgeci.moneysurfer.feature.category.picker
 
 import com.georgeci.moneysurfer.domain.primitives.CategoryId
 
 /**
  * The two picker layouts the design specifies. Both sit behind the same
  * [CategoryChooserBottomSheet] entry point; the caller picks one per navigation.
  */
 enum class CategoryPickerVariant {
     /** Flat 4-column grid of every category of the selected type, parents and children mixed. */
     GRID,
 
     /** Parent cards whose children expand inline underneath them. */
     TREE,
     ;
 
     companion object {
         /**
          * Parses the route argument. An unknown or absent value degrades to [GRID] rather than
          * throwing — the route is serialized into the back stack and can outlive a rename.
          */
         fun fromRouteArg(value: String?): CategoryPickerVariant =
             entries.firstOrNull { it.name == value } ?: GRID
     }
 }
 
 /**
  * One category as the picker draws it.
  *
  * Appearance stays as the category's stored `iconKey`/`hue` instead of a resolved icon and
  * colour, so everything up to the composable is plain data the state tests can assert on.
  */
 data class CategoryPickerItem(
     val id: CategoryId,
     val name: String,
     val iconKey: String,
     val hue: Int,
     val systemKind: String?,
     val selected: Boolean,
 )
 
 /**
  * A top-level category and the children the tree variant currently shows under it.
  *
  * [childCount] counts *all* children, not just the visible ones, because it feeds the
  * `N subcategories` subline, which must not shrink while a search is narrowing [children].
  */
 data class CategoryTreeGroup(
     val parent: CategoryPickerItem,
     val childCount: Int = 0,
     val expanded: Boolean = false,
     val children: List<CategoryPickerItem> = emptyList(),
 )