public void Compute(ExaminationSet set)
{
Collection.Clear();
Subject[] subjects = (Subject[])Enum.GetValues(typeof(Subject));
StudentsGroup[] groups = (StudentsGroup[])Enum.GetValues(typeof(StudentsGroup));
Dictionary <SubjectStudenGroup, Average> average = new Dictionary <SubjectStudenGroup, Average>();
Dictionary <SubjectStudenGroup, Median> median = new Dictionary <SubjectStudenGroup, Median>();
Dictionary <SubjectStudenGroup, Modus> modus = new Dictionary <SubjectStudenGroup, Modus>();
// preparation empty collections
foreach (Subject subject in subjects)
{
foreach (StudentsGroup group in groups)
{
SubjectStudenGroup ssg = new SubjectStudenGroup()
{
StudentsGroup = group, Subject = subject,
};
average.Add(ssg, new Average());
median.Add(ssg, new Median());
modus.Add(ssg, new Modus());
}
}
ComputeSubjectReport(set, groups, average, median, modus);
CollectResults(subjects, groups, average, median, modus);
}
public void TestParseOneExam()
{
ExaminationSet set = new ExaminationSet();
var lines = new string[]
{
"Entrance examination",
"",
"Group1",
"Alba Hopper;Math=60;Physics=38;English=65"
};
var warnigns = set.Deserialize(lines).ToArray();
Assert.AreEqual(0, warnigns.Length);
Assert.AreEqual(1, set.GetGroup(StudentsGroup.Group1).Count);
Assert.AreEqual(0, set.GetGroup(StudentsGroup.Group2).Count);
Assert.AreEqual(0, set.GetGroup(StudentsGroup.Group3).Count);
var list = set.GetGroup(StudentsGroup.Group1);
var exam = list.Single();
Assert.AreEqual("Alba Hopper", exam.Name);
Assert.AreEqual(60, exam.Results[Subject.Math]);
Assert.AreEqual(38, exam.Results[Subject.Physics]);
Assert.AreEqual(65, exam.Results[Subject.English]);
}
public void TestWarningFileEmpty()
{
ExaminationSet set = new ExaminationSet();
var lines = new string[]
{
};
var warnigns = set.Deserialize(lines).ToArray();
AssertSingleMessage(warnigns, 0, "file is empty");
}
public void TestWarningNoSpaceAfterTitle()
{
ExaminationSet set = new ExaminationSet();
var lines = new string[]
{
"Entrance examination",
"Group1"
};
var warnigns = set.Deserialize(lines).ToArray();
AssertSingleMessage(warnigns, 1, "no space after title");
}
public void TestWarningUknownGroup()
{
ExaminationSet set = new ExaminationSet();
var lines = new string[]
{
"Entrance examination",
"",
"GroupX"
};
var warnigns = set.Deserialize(lines).ToArray();
AssertSingleMessage(warnigns, 2, "uknown group");
}
public void TestUnknownSubject()
{
ExaminationSet set = new ExaminationSet();
var lines = new string[]
{
"Entrance examination",
"",
"Group1",
"Alba Hopper;Math=60;Physics=38;German=65"
};
var warnigns = set.Deserialize(lines).ToArray();
AssertSingleMessage(warnigns, 3, "german");
}
public void TestSubjectMissing()
{
ExaminationSet set = new ExaminationSet();
var lines = new string[]
{
"Entrance examination",
"",
"Group1",
"Alba Hopper;Math=60;Math=38"
};
var warnigns = set.Deserialize(lines).ToArray();
AssertSingleMessage(warnigns, 3, "incorrect number of parts in line");
}
public void TestDuplicateSubject()
{
ExaminationSet set = new ExaminationSet();
var lines = new string[]
{
"Entrance examination",
"",
"Group1",
"Alba Hopper;Math=60;Math=38;English=65"
};
var warnigns = set.Deserialize(lines).ToArray();
AssertSingleMessage(warnigns, 3, "math is duplicated");
}
public void TestResultOver100()
{
ExaminationSet set = new ExaminationSet();
var lines = new string[]
{
"Entrance examination",
"",
"Group1",
"Alba Hopper;Math=101;Physics=38;English=65"
};
var warnigns = set.Deserialize(lines).ToArray();
AssertSingleMessage(warnigns, 3, "math");
}
public void TestParseMultipleGroups()
{
ExaminationSet set = new ExaminationSet();
var lines = new string[]
{
"Entrance examination",
"",
"Group1",
"Alba Hopper;Math=60;Physics=38;English=65",
"Harrison Perez;Math=25;Physics=13;English=40",
"",
"Group2",
"Celeste Blake; Math = 98; Physics = 45; English = 92",
"Kristy Mendez; Math = 65; Physics = 50; English = 78",
"Cheyenne Almond;Math=87;Physics=34;English=45",
"",
"Group3",
"Hettie Durham;Math=74;Physics=55;English=46",
};
var warnigns = set.Deserialize(lines).ToArray();
Assert.AreEqual(0, warnigns.Length);
Assert.AreEqual(2, set.GetGroup(StudentsGroup.Group1).Count);
Assert.AreEqual(3, set.GetGroup(StudentsGroup.Group2).Count);
Assert.AreEqual(1, set.GetGroup(StudentsGroup.Group3).Count);
var harrison = set.GetGroup(StudentsGroup.Group1)[1];
Assert.AreEqual("Harrison Perez", harrison.Name);
Assert.AreEqual(25, harrison.Results[Subject.Math]);
Assert.AreEqual(13, harrison.Results[Subject.Physics]);
Assert.AreEqual(40, harrison.Results[Subject.English]);
var cheyenne = set.GetGroup(StudentsGroup.Group2)[2];
Assert.AreEqual("Cheyenne Almond", cheyenne.Name);
Assert.AreEqual(87, cheyenne.Results[Subject.Math]);
Assert.AreEqual(34, cheyenne.Results[Subject.Physics]);
Assert.AreEqual(45, cheyenne.Results[Subject.English]);
var durham = set.GetGroup(StudentsGroup.Group3)[0];
Assert.AreEqual("Hettie Durham", durham.Name);
Assert.AreEqual(74, durham.Results[Subject.Math]);
Assert.AreEqual(55, durham.Results[Subject.Physics]);
Assert.AreEqual(46, durham.Results[Subject.English]);
}
public void Compute(ExaminationSet set)
{
Collection.Clear();
foreach (StudentsGroup studentsGroup in Enum.GetValues(typeof(StudentsGroup)))
{
foreach (Examination exam in set.GetGroup(studentsGroup))
{
StudentReportItem reportItem = new StudentReportItem()
{
Name = exam.Name,
AverageResult = ComputeAverage(exam.Results),
};
Collection.Add(reportItem);
}
}
}
private static void ComputeSubjectReport(ExaminationSet set, StudentsGroup[] groups, Dictionary <SubjectStudenGroup, Average> average, Dictionary <SubjectStudenGroup, Median> median, Dictionary <SubjectStudenGroup, Modus> modus)
{
foreach (StudentsGroup group in groups)
{
foreach (Examination exam in set.GetGroup(group))
{
foreach (var subjectResult in exam.Results)
{
SubjectStudenGroup ssg = new SubjectStudenGroup()
{
StudentsGroup = group, Subject = subjectResult.Key,
};
average[ssg].Add(subjectResult.Value);
median[ssg].Add(subjectResult.Value);
modus[ssg].Add(subjectResult.Value);
}
}
}
}
