Files
todos/UnitTests/Tests/View Models/TaskGroupListViewModelTests.swift
T

83 lines
2.3 KiB
Swift

import Foundation
import SwiftData
import Testing
@testable import Todos
@Suite("TaskGroupListView view model tests")
struct TaskGroupListViewModelTests {
// MARK: Properties
private let calendar: Calendar = .current
// MARK: Computed tests
@Test("groups returns cases in predetermined order")
func groups() {
// GIVEN
let viewModel = TaskGroupListView.ViewModel()
// WHEN
let groups = viewModel.groups
// THEN
#expect(groups.count == 4)
#expect(groups[0] == .today)
#expect(groups[1] == .upcoming)
#expect(groups[2] == .overdue)
#expect(groups[3] == .completed)
}
// MARK: Functions tests
@Test(
"count returns zero when empty data",
arguments: TodoGroup.allCases
)
func countWhenEmptyData(for group: TodoGroup) throws {
// GIVEN
let tasks: [Todo] = []
let viewModel = TaskGroupListView.ViewModel()
// WHEN
let count = viewModel.count(tasks, for: group)
// THEN
#expect(count == 0)
}
@Test(
"count returns correct count when filled data",
arguments: TodoGroup.allCases
)
func countWhenFilledData(for group: TodoGroup) throws {
// GIVEN
let today: Date = .now
let tomorrow = calendar.date(byAdding: .day, value: 1, to: today) ?? today
let yesterday = calendar.date(byAdding: .day, value: -1, to: today) ?? today
let nextWeek = calendar.date(byAdding: .day, value: 7, to: today) ?? today
let lastWeek = calendar.date(byAdding: .day, value: -7, to: today) ?? today
let tasks = [
Todo(title: "Today task #1", due: today),
Todo(title: "Today task #2", due: today),
Todo(title: "Tomorrow task #1", due: tomorrow),
Todo(title: "Next week task #1", due: nextWeek),
Todo(title: "Yesterday task #1", due: yesterday),
Todo(title: "Last week task #1", due: lastWeek),
Todo(title: "Completed task #1", due: tomorrow, completed: today),
Todo(title: "Completed task #2", due: yesterday, completed: today)
]
let viewModel = TaskGroupListView.ViewModel()
// WHEN
let count = viewModel.count(tasks, for: group)
// THEN
#expect(count == 2)
}
}