public void ImportScoresFromFile_WithJustOneLine_ReturnsGraderWithCorrectScoreList()
{
const string FIRST_LINE = "KING, MADISON, 85";
StringBuilder sb = new StringBuilder();
sb.Append(FIRST_LINE);
//creating a streamReader to feed into ImportScoresFromFile
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(sb.ToString())))
{
using (var streamReader = new StreamReader(stream))
{
var grader = new Grader();
grader.ImportScoresFromFile(streamReader);
//we now need to check that the grader's scorelist matches what we loaded into the stream reader
Assert.IsTrue(grader.ScoreList.Count == 1);
//first item should be equal to the first line;
Assert.That(FIRST_LINE, Is.EqualTo(grader.ScoreList[0].LastName + SEPARATOR + grader.ScoreList[0].FirstName + SEPARATOR + grader.ScoreList[0].Score));
}
}
}
public void ImportScoresFromFile_WithNegativeNumbers_ReturnsGraderWithScoreList()
{
const string FIRST_LINE = "KING, MADISON, -5";
const string SECOND_LINE = "BUNDY, TERESSA, -1";
StringBuilder sb = new StringBuilder();
sb.Append(FIRST_LINE);
sb.Append(Environment.NewLine);
sb.Append(SECOND_LINE);
//creating a streamReader to feed into ImportScoresFromFile
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(sb.ToString())))
{
using (var streamReader = new StreamReader(stream))
{
var grader = new Grader();
grader.ImportScoresFromFile(streamReader);
//we now need to check that the grader's scorelist matches what we loaded into the stream reader
Assert.IsTrue(grader.ScoreList.Count == 2);
//first item should be equal to the first line;
Assert.That(FIRST_LINE, Is.EqualTo(grader.ScoreList[0].LastName + SEPARATOR + grader.ScoreList[0].FirstName + SEPARATOR + grader.ScoreList[0].Score));
//second item should be equal to the second line
Assert.That(SECOND_LINE, Is.EqualTo(grader.ScoreList[1].LastName + SEPARATOR + grader.ScoreList[1].FirstName + SEPARATOR + grader.ScoreList[1].Score));
}
}
}
public void ImportScoresFromFile_WithUnixEndOfLine_ReturnsGraderCorrectCountOfScores()
{
const string FIRST_LINE = "KING, MADISON, 85";
const string SECOND_LINE = "BUNDY, TERESSA, 88";
StringBuilder sb = new StringBuilder();
sb.Append(FIRST_LINE);
sb.Append("\n");
sb.Append(SECOND_LINE);
//creating a streamReader to feed into ImportScoresFromFile
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(sb.ToString())))
{
using (var streamReader = new StreamReader(stream))
{
var grader = new Grader();
grader.ImportScoresFromFile(streamReader);
//we now need to check that the grader's scorelist matches what we loaded into the stream reader
Assert.IsTrue(grader.ScoreList.Count == 2);
}
}
}
public void ImportScoresFromFile_WithLongList_ReturnsGraderCorrectCountOfScores()
{
const string FIRST_LINE = "KING, MADISON, 85";
int numberOfLines = 100000;
StringBuilder sb = new StringBuilder();
for (int i = 1; i <= numberOfLines; i++)
{
sb.Append(FIRST_LINE);
sb.Append(Environment.NewLine);
}
//creating a streamReader to feed into ImportScoresFromFile
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(sb.ToString())))
{
using (var streamReader = new StreamReader(stream))
{
var grader = new Grader();
grader.ImportScoresFromFile(streamReader);
//we now need to check that the grader's scorelist matches what we loaded into the stream reader
Assert.IsTrue(grader.ScoreList.Count == numberOfLines);
}
}
}
public void ImportScoresFromFile_WithEmptyFile_ReturnsEmptyScoreList()
{
//creating a streamReader to feed into ImportScoresFromFile
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(String.Empty)))
{
using (var streamReader = new StreamReader(stream))
{
var grader = new Grader();
grader.ImportScoresFromFile(streamReader);
//list should have a count of zero
Assert.IsTrue(grader.ScoreList.Count == 0);
}
}
}
public void ImportScoresFromFile_WithInvalidScore_ThrowsException()
{
const string FIRST_LINE = "KING, MADISON, 85";
const string SECOND_LINE = "BUNDY, TERESSA, 88";
bool expectedExceptionThrown = false;
StringBuilder sb = new StringBuilder();
sb.Append(Environment.NewLine);
sb.Append(FIRST_LINE);
sb.Append(SECOND_LINE);
sb.Append("LASTNAME, FIRSTNAME, INVALIDSCORE");
sb.Append(Environment.NewLine);
//creating a streamReader to feed into ImportScoresFromFile
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(sb.ToString())))
{
using (var streamReader = new StreamReader(stream))
{
var grader = new Grader();
try
{
grader.ImportScoresFromFile(streamReader);
}
catch (Exception e)
{
//exception has been thrown as expected
expectedExceptionThrown = true;
}
if (!expectedExceptionThrown)
{
Assert.Fail();
}
}
}
}
