public async Task GenerateDrawAsync_ReturnsCorrectDrawAsync()
{
// Arrange
int expectedSeed = 1;
int expectedNumberOfBallots = 1;
var expectedRandomNumbers = new List <int> {
expectedSeed
};
var expectedBallotNumber = 12345;
GenerationSettings actualGenerationSettings = null;
RandomGeneratorMock
.Setup(mock => mock.GenerateRandomNumbersAsync(It.IsAny <GenerationSettings>()))
.Callback((GenerationSettings generationSettings) =>
{
actualGenerationSettings = generationSettings;
})
.ReturnsAsync(expectedRandomNumbers);
RandomWrapperMock
.Setup(mock => mock.Seed(expectedSeed));
RandomWrapperMock
.Setup(mock => mock.Next(1000000, 10000000))
.Returns(expectedBallotNumber);
// Act
IEnumerable <Ballot> result = await Lottery.GenerateBallotsAsync(expectedNumberOfBallots);
// Assert
result.Should().NotBeNull();
result.Should().NotBeNull();
result.Should().HaveCount(expectedNumberOfBallots);
Ballot firstBallot = result.First();
firstBallot.Number.Should().Be(expectedBallotNumber);
firstBallot.SellDate.Should().BeNull();
actualGenerationSettings.Should().NotBeNull();
actualGenerationSettings.NumberOfIntegers.Should().Be(1);
actualGenerationSettings.MinimalIntValue.Should().Be(1000000);
actualGenerationSettings.MaximumIntValue.Should().Be(10000000);
RandomGeneratorMock.VerifyAll();
RandomWrapperMock.VerifyAll();
}