[Fact] // ?
public void AddGradeLogicWorks()
{
// Arrange
// This test will determine if the logic inside of AddGoalsFromMatch method is working.
var statisticsData = new InMemoryStatisticsData("Ligue 1 2019 Statistics");
statisticsData.AddGoalsFromMatch(10.0);
// Act
var result = statisticsData.GetGoalScoringStatistics();
// Assert
Assert.Equal(10, result.Average);
}
public void StatsBookCalculatesTheAverageGoalsPerYear()
{
// Arrange
var statisticsData = new InMemoryStatisticsData("Ligue 1 2019 Statistics"); // The SD class will be "inaccessible" until you make the SD class public.
statisticsData.AddGoalsFromMatch(1.0);
statisticsData.AddGoalsFromMatch(0.0);
statisticsData.AddGoalsFromMatch(3.0);
// Act
var result = statisticsData.GetGoalScoringStatistics();
// Assert
// Equal can take a 3rd precison paramater. Helps with rounding repeating numbers.
Assert.Equal(1.3, result.Average, 1);
Assert.Equal(3.0, result.Highest, 1);
Assert.Equal(0.0, result.Lowest, 1);
Assert.Equal('B', result.Letter);
}
// ref keyword says that when the method GetStatsbookSetName is called when the Parameter statsBook arrives, the first param will be passed by reference.
// you can use out instead of ref, but out will assume that the object is initialized.
private void GetStatsBookSetName(ref InMemoryStatisticsData statsBook, string name)
{
statsBook = new InMemoryStatisticsData(name);
}
private void SetName(InMemoryStatisticsData statsBook, string name)
{
statsBook.Name = name;
}
