Add consumption logic and endpoints

tests/WebApi.Tests.Unit/Consumptions/UpdateConsumptionRequestValidatorTests.cs

@@ -0,0 +1,86 @@
+using FluentAssertions;
+using FluentValidation.Results;
+using NSubstitute;
+using Vegasco.WebApi.Consumptions;
+
+namespace WebApi.Tests.Unit.Consumptions;
+
+public class UpdateConsumptionRequestValidatorTests
+{
+	private readonly UpdateConsumption.Validator _sut;
+	private readonly TimeProvider _timeProvider = Substitute.For<TimeProvider>();
+
+	private readonly DateTimeOffset _utcNow = new DateTimeOffset(2024, 8, 18, 13, 2, 53, TimeSpan.Zero);
+
+	private readonly UpdateConsumption.Request _validRequest;
+
+	public UpdateConsumptionRequestValidatorTests()
+	{
+		_timeProvider.GetUtcNow().Returns(_utcNow);
+		_sut = new UpdateConsumption.Validator(_timeProvider);
+
+		_validRequest = new UpdateConsumption.Request(
+			_utcNow.AddDays(-1),
+			1,
+			1,
+			false);
+	}
+
+	[Fact]
+	public async Task ValidateAsync_ShouldBeValid_WhenRequestIsValid()
+	{
+		// Arrange
+
+		// Act
+		ValidationResult? result = await _sut.ValidateAsync(_validRequest);
+
+		// Assert
+		result.IsValid.Should().BeTrue();
+	}
+
+	[Fact]
+	public async Task ValidateAsync_ShouldBeInvalid_WhenDateTimeIsGreaterThanUtcNow()
+	{
+		// Arrange
+		UpdateConsumption.Request request = _validRequest with { DateTime = _utcNow.AddDays(1) };
+
+		// Act
+		ValidationResult? result = await _sut.ValidateAsync(request);
+
+		// Assert
+		result.IsValid.Should().BeFalse();
+		result.Errors.Should().ContainSingle(x => x.PropertyName == nameof(UpdateConsumption.Request.DateTime));
+	}
+
+	[Theory]
+	[InlineData(0)]
+	[InlineData(-1)]
+	public async Task ValidateAsync_ShouldBeInvalid_WhenDistanceIsLessThanOrEqualToZero(double distance)
+	{
+		// Arrange
+		UpdateConsumption.Request request = _validRequest with { Distance = distance };
+
+		// Act
+		ValidationResult? result = await _sut.ValidateAsync(request);
+
+		// Assert
+		result.IsValid.Should().BeFalse();
+		result.Errors.Should().ContainSingle(x => x.PropertyName == nameof(UpdateConsumption.Request.Distance));
+	}
+
+	[Theory]
+	[InlineData(0)]
+	[InlineData(-1)]
+	public async Task ValidateAsync_ShouldBeInvalid_WhenAmountIsLessThanOrEqualToZero(double amount)
+	{
+		// Arrange
+		UpdateConsumption.Request request = _validRequest with { Amount = amount };
+
+		// Act
+		ValidationResult? result = await _sut.ValidateAsync(request);
+
+		// Assert
+		result.IsValid.Should().BeFalse();
+		result.Errors.Should().ContainSingle(x => x.PropertyName == nameof(UpdateConsumption.Request.Amount));
+	}
+}