TripValidationTests.cs
1,316 bytes
| 1 | using System.ComponentModel.DataAnnotations; |
|---|---|
| 2 | using App.Domain; |
| 3 | using FluentAssertions; |
| 4 | |
| 5 | namespace App.Tests.Domain; |
| 6 | |
| 7 | public class TripValidationTests |
| 8 | { |
| 9 | [Fact] |
| 10 | public void Validate_WhenEndDateBeforeStartDate_YieldsValidationError() |
| 11 | { |
| 12 | var trip = new Trip |
| 13 | { |
| 14 | Name = "Bad trip", |
| 15 | StartDate = new DateTime(2026, 5, 10, 0, 0, 0, DateTimeKind.Utc), |
| 16 | EndDate = new DateTime(2026, 5, 1, 0, 0, 0, DateTimeKind.Utc) |
| 17 | }; |
| 18 | |
| 19 | var results = trip.Validate(new ValidationContext(trip)).ToList(); |
| 20 | |
| 21 | results.Should().ContainSingle() |
| 22 | .Which.MemberNames.Should().Contain(nameof(Trip.EndDate)); |
| 23 | } |
| 24 | |
| 25 | [Fact] |
| 26 | public void Validate_WhenEndDateEqualsStartDate_YieldsNoErrors() |
| 27 | { |
| 28 | // Edge case: same-day trip is valid |
| 29 | var date = new DateTime(2026, 5, 1, 0, 0, 0, DateTimeKind.Utc); |
| 30 | var trip = new Trip { Name = "Day trip", StartDate = date, EndDate = date }; |
| 31 | |
| 32 | var results = trip.Validate(new ValidationContext(trip)); |
| 33 | |
| 34 | results.Should().BeEmpty(); |
| 35 | } |
| 36 | |
| 37 | [Fact] |
| 38 | public void Validate_WhenDatesAreNull_YieldsNoErrors() |
| 39 | { |
| 40 | var trip = new Trip { Name = "Open-ended" }; |
| 41 | |
| 42 | var results = trip.Validate(new ValidationContext(trip)); |
| 43 | |
| 44 | results.Should().BeEmpty(); |
| 45 | } |
| 46 | } |
| 47 | |