Added the "showCompleted" property to the initializer for the TodoFetchDescriptor+Inits extension in. the app target.

UnitTests/Tests/Extensions/TodoFetchDescriptorTests.swift

@@ -20,7 +20,10 @@ struct TodoFetchDescriptorTests {
         let context = container.mainContext
         
         // WHEN
-        let descriptor = FetchDescriptor<Todo>(group: .today)
+        let descriptor = FetchDescriptor<Todo>(
+            group: .today,
+            showCompleted: .random()
+        )
         let results = try context.fetch(descriptor)
         
         // THEN
@@ -28,7 +31,7 @@ struct TodoFetchDescriptorTests {
     }
     
     @Test(
-        "initializes with group when filled tasks",
+        "initializes with group and show completed disabled when filled tasks",
         arguments: TodoGroup.allCases
     )
     @MainActor
@@ -40,7 +43,10 @@ struct TodoFetchDescriptorTests {
         insert(into: context)
         
         // WHEN
-        let descriptor = FetchDescriptor<Todo>(group: group)
+        let descriptor = FetchDescriptor<Todo>(
+            group: group,
+            showCompleted: false
+        )
         let results = try context.fetch(descriptor)
         
         // THEN
@@ -61,6 +67,50 @@ struct TodoFetchDescriptorTests {
             #expect(results[1].title == "Upcoming task #2")
         }
     }
+    
+    @Test(
+        "initializes with group and show completed enabled when filled tasks",
+        arguments: TodoGroup.allCases
+    )
+    @MainActor
+    func initializationWithShowCompleted(for group: TodoGroup) throws {
+        // GIVEN
+        let container = try modelContainer
+        let context = container.mainContext
+        
+        insert(into: context)
+        
+        // WHEN
+        let descriptor = FetchDescriptor<Todo>(
+            group: group,
+            showCompleted: true
+        )
+        let results = try context.fetch(descriptor)
+        
+        // THEN
+        if group == .overdue || group == .upcoming {
+            #expect(results.count == 3)
+        } else {
+            #expect(results.count == 2)
+        }
+        
+        switch group {
+        case .completed:
+            #expect(results[0].title == "Completed task #2")
+            #expect(results[1].title == "Completed task #1")
+        case .overdue:
+            #expect(results[0].title == "Completed task #1")
+            #expect(results[1].title == "Overdue task #2")
+            #expect(results[2].title == "Overdue task #1")
+        case .today:
+            #expect(results[0].title == "Today task #1")
+            #expect(results[1].title == "Today task #2")
+        case .upcoming:
+            #expect(results[0].title == "Upcoming task #1")
+            #expect(results[1].title == "Upcoming task #2")
+            #expect(results[2].title == "Completed task #2")
+        }
+    }
 
 }