public void PerformanceTestAverageScoreById()
{
MovieSystem _ms = new MovieSystem("ratings.json");
int reviewerId = 3;
var stopwatch = new Stopwatch();
stopwatch.Start();
_ms.AverageScoreById(reviewerId);
stopwatch.Stop();
var stop = stopwatch.ElapsedMilliseconds;
long expectedTime = 4000;
Assert.True(stop <= expectedTime);
}
public void TestAverageScoreById(double expAverage, int reviewerId)
{
List <Movie> movies = new List <Movie>()
{
new Movie {
Reviewer = 1, Grade = 1
},
new Movie {
Reviewer = 1, Grade = 1
},
new Movie {
Reviewer = 2, Grade = 2
},
new Movie {
Reviewer = 2, Grade = 3
},
new Movie {
Reviewer = 3, Grade = 4
}
};
MovieSystem ms = new MovieSystem(movies);
Assert.Equal(expAverage, ms.AverageScoreById(reviewerId));
}
public void TestExceptionThrownByAverageScoreById(int reviewerId)
{
List <Movie> movies = new List <Movie>()
{
new Movie {
Reviewer = 1, Grade = 1
},
new Movie {
Reviewer = 1, Grade = 1
},
new Movie {
Reviewer = 2, Grade = 2
},
new Movie {
Reviewer = 2, Grade = 3
},
new Movie {
Reviewer = 3, Grade = 4
}
};
MovieSystem ms = new MovieSystem(movies);
Assert.Throws <InvalidDataException>(() => ms.AverageScoreById(reviewerId));
}