javier
bbd7ec264b
This PR contains the work done to decouple the direct use of the `ModelContext` from `SwiftData` from the view model that uses it. In addition, the project transitioned to use Swift 6 and strict concurrency which brought some issues with the unit tests, so they were amended as well. Reviewed-on: rock-n-code/todos-app#8 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
94 lines
2.5 KiB
Swift
94 lines
2.5 KiB
Swift
import Foundation
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import Testing
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@testable import Todos
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@MainActor
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@Suite("TaskGroupListView view model tests")
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struct TaskGroupListViewModelTests {
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// MARK: Properties
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private let calendar: Calendar = .current
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// MARK: Computed tests
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@Test("groups returns cases in predetermined order")
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func groups() {
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// GIVEN
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let viewModel = TaskGroupListView.ViewModel()
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// WHEN
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let groups = viewModel.groups
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// THEN
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#expect(groups.count == 4)
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#expect(groups[0] == .today)
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#expect(groups[1] == .upcoming)
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#expect(groups[2] == .overdue)
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#expect(groups[3] == .completed)
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}
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// MARK: Functions tests
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@Test(
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"count returns zero when empty data",
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arguments: [TodoGroup.today, .upcoming, .overdue, .completed]
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)
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func countWhenEmptyData(for group: TodoGroup) throws {
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// GIVEN
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let viewModel = TaskGroupListView.ViewModel()
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// WHEN
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let count = viewModel.count(emptyTasks, for: group)
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// THEN
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#expect(count == 0)
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}
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@Test(
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"count returns correct count when filled data",
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arguments: [TodoGroup.today, .upcoming, .overdue, .completed]
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)
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func countWhenFilledData(for group: TodoGroup) throws {
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// GIVEN
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let viewModel = TaskGroupListView.ViewModel()
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// WHEN
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let count = viewModel.count(sampleTasks, for: group)
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// THEN
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#expect(count == 2)
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}
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}
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// MARK: - Helpers
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private extension TaskGroupListViewModelTests {
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// MARK: Computed
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var emptyTasks: [Todo] { [] }
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var sampleTasks: [Todo] {
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let today: Date = .now
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let tomorrow = calendar.date(byAdding: .day, value: 1, to: today) ?? today
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let yesterday = calendar.date(byAdding: .day, value: -1, to: today) ?? today
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let nextWeek = calendar.date(byAdding: .day, value: 7, to: today) ?? today
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let lastWeek = calendar.date(byAdding: .day, value: -7, to: today) ?? today
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return [
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Todo(title: "Today task #1", due: today),
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Todo(title: "Today task #2", due: today),
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Todo(title: "Tomorrow task #1", due: tomorrow),
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Todo(title: "Next week task #1", due: nextWeek),
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Todo(title: "Yesterday task #1", due: yesterday),
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Todo(title: "Last week task #1", due: lastWeek),
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Todo(title: "Completed task #1", due: tomorrow, completed: today),
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Todo(title: "Completed task #2", due: yesterday, completed: today),
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]
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}
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}
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