public void TestAddCoursesWithInvalidPrerequisiteName()
{
//arrange
var college = new College();
string[] courseList = { "Intro to Fire", "Advanced Pyrotechnics: Introduction to Fire" };
//act
//assert
Assert.Throws <CourseNotFoundException>(() => { college.AddCourses(courseList); });
}
public void TestAddCoursesWithNoPrerequisites()
{
//arrange
var college = new College();
string[] courseList = { "Intro to Fire", "Advanced Pyrotechnics" };
//act
college.AddCourses(courseList);
//assert
Assert.AreEqual(courseList.Length, college.Courses.Count);
}
public void TestAddCoursesWithCircularReference()
{
//arrange
var college = new College();
var courseName1 = "Intro to Fire";
var courseName2 = "Advanced Pyrotechnics";
string[] courseList = { $"{courseName1}: {courseName2}", $"{courseName2}: {courseName1}" };
//act
//assert
Assert.Throws <CircularPrerequisiteReferenceException>(() => { college.AddCourses(courseList); });
}
public void TestAddCoursesWithoutCircularReference()
{
//arrange
var college = new College();
var courseName1 = "Course A";
var courseName2 = "Course B";
var courseName3 = "Course C";
string[] courseList = { $"{courseName1}", $"{courseName2}: {courseName1}", $"{courseName3}: {courseName2}" };
//act
//assert
Assert.DoesNotThrow(() => { college.AddCourses(courseList); });
}
public void TestAddCoursesWithBlankNames()
{
//arrange
var college = new College();
var courseName1 = "Intro to Fire";
var courseName2 = " ";
string[] courseList = { courseName1, courseName2 };
//act
college.AddCourses(courseList);
//assert
Assert.AreEqual(courseName1, college.Schedule);
}
public void TestAddCoursesWithValidPrerequisiteName()
{
//arrange
var college = new College();
var courseName1 = "Intro to Fire";
var courseName2 = "Advanced Pyrotechnics";
string[] courseList = { courseName1, $"{courseName2}: {courseName1}" };
//act
college.AddCourses(courseList);
var course1 = college.Courses.SingleOrDefault(c => c.Name == courseName1);
var course2 = college.Courses.SingleOrDefault(c => c.Name == courseName2);
//assert
Assert.AreEqual(course1, course2?.Prerequisite);
}
public void TestDisplayScheduleCoursesAddedOutOfOrder()
{
//arrange
var college = new College();
var courseName1 = "Intro to Fire";
var courseName2 = "Advanced Pyrotechnics";
string[] courseList = { $"{courseName2}: {courseName1}", courseName1 };
var expectedSchedule = $"{courseName1}, {courseName2}";
//act
college.AddCourses(courseList);
//assert
Assert.AreEqual(expectedSchedule, college.Schedule);
}
public void TestDisplayScheduleWithMultipleCourses()
{
//arrange
var college = new College();
var courseName1 = "Introduction to Paper Airplanes";
var courseName2 = "Advanced Throwing Techniques";
var courseName3 = "Intro to Fire";
var courseName4 = "Advanced Pyrotechnics";
string[] courseList = { $"{courseName2}: {courseName1}", courseName1, $"{courseName4}: {courseName3}", courseName3 };
var expectedSchedule = $"{courseName3}, {courseName4}, {courseName1}, {courseName2}";
//act
college.AddCourses(courseList);
//assert
Assert.AreEqual(expectedSchedule, college.Schedule);
}