public void GetGradesReturnsEmptyEnumerableIfGradesIsEmpty()
{
var book = new InMemoryBook("grades", new LetterGrade());
var grades = book.GetGrades();
Assert.Empty(grades);
}
public void BookWontAcceptInvalidGrade()
{
// arrange
var book = new InMemoryBook("Test Book");
book.AddGrade(-5.0);
book.AddGrade(344);
var grades = book.GetGrades();
// assert
Assert.Equal(0, grades.Count);
}
public void AddGrade_Test()
{
//arrange
var book = new InMemoryBook("");
//action
book.AddGrade(100);
var grades = book.GetGrades();
//assert
Assert.True(grades.Count >= 1);
}
public void AddGradeWhenLessThan100AndGreaterThan0()
{
var book = new InMemoryBook("");
book.AddGrade(90);
var grades = book.GetGrades();
Assert.Equal(new List <double> {
90
}, grades);
Assert.Single(grades);
}
public void AddLetterGradeOther()
{
var book = new InMemoryBook("");
book.AddLetterGrade('Z');
var grades = book.GetGrades();
Assert.Single(grades);
Assert.Equal(new List <double> {
0
}, grades);
}
public void GetGrades()
{
var book = new InMemoryBook("grades", new LetterGrade());
book.AddGrade(100);
book.AddGrade(70);
book.AddGrade(80);
var grades = book.GetGrades();
Assert.Contains(100, grades);
Assert.Contains(70, grades);
Assert.Contains(80, grades);
}
public void NoGradeAddedWhenGreaterThan100()
{
var book = new InMemoryBook("");
try
{
book.AddGrade(395);
}
catch (Exception ex)
{
_testOutputHelper.WriteLine(ex.Message);
}
var grades = book.GetGrades();
Assert.Empty(grades);
}
public void BookCalculatesAnAverageGradesFromCLIInput()
{
// arrange
var book = new InMemoryBook("InMemoryBook of Water");
book.AddGrade(60);
book.AddGrade(90);
book.AddGrade(70);
book.AddGrade(60);
book.AddGrade(10);
book.AddGrade(10);
// act
var result = book.GetStatistics();
//assert
Assert.Equal(book.GetMaxGradeCount(), book.GetGrades().Count);
Assert.Equal(280, result.Total);
Assert.Equal(70, result.Average);
Assert.Equal(90, result.High);
Assert.Equal(60, result.Low);
Assert.Equal('C', result.Letter);
}