swift-composable-architecture-mirror/Examples/CaseStudies/SwiftUICaseStudiesTests/04-HigherOrderReducers-RecursionTests.swift

import ComposableArchitecture
import XCTest

@testable import SwiftUICaseStudies

@MainActor
final class RecursionTests: XCTestCase {
  func testAddRow() async {
    let store = TestStore(initialState: Nested.State(id: UUID())) {
      Nested()
    } withDependencies: {
      $0.uuid = .incrementing
    }

    await store.send(.addRowButtonTapped) {
      $0.rows.append(Nested.State(id: UUID(0)))
    }

    await store.send(.rows(.element(id: UUID(0), action: .addRowButtonTapped))) {
      $0.rows[id: UUID(0)]?.rows.append(Nested.State(id: UUID(1)))
    }
  }

  func testChangeName() async {
    let store = TestStore(initialState: Nested.State(id: UUID())) {
      Nested()
    }

    await store.send(.nameTextFieldChanged("Blob")) {
      $0.name = "Blob"
    }
  }

  func testDeleteRow() async {
    let store = TestStore(
      initialState: Nested.State(
        id: UUID(),
        rows: [
          Nested.State(id: UUID(0)),
          Nested.State(id: UUID(1)),
          Nested.State(id: UUID(2)),
        ]
      )
    ) {
      Nested()
    }

    await store.send(.onDelete(IndexSet(integer: 1))) {
      $0.rows.remove(id: UUID(1))
    }
  }
}