public void CreateInstanceOfAttractRepulseSparkMutator_PassValidParameter()
{
ISparkGenerator generator = CreateAttractRepulseSparkGenerator();
AttractRepulseSparkMutator mutator = new AttractRepulseSparkMutator(generator);
Assert.NotNull(mutator);
}
public void MutateFirework_PassEachParameterAsNullAndOtherIsCorrect_ArgumentNullExceptionThrown(
MutableFirework mutableFirework, FireworkExplosion explosion, String expectedParamName)
{
ISparkGenerator generator = CreateAttractRepulseSparkGenerator();
AttractRepulseSparkMutator mutator = new AttractRepulseSparkMutator(generator);
ArgumentException exception = Assert.Throws <ArgumentNullException>(() => mutator.MutateFirework(ref mutableFirework, explosion));
Assert.Equal(expectedParamName, exception.ParamName);
}
public void MutateFirework_PassValidParameters_ShouldChangeFireworkState()
{
Range range = new Range(-10, 10);
IList <Dimension> dimensions = new List <Dimension>();
dimensions.Add(new Dimension(range));
dimensions.Add(new Dimension(range));
dimensions.Add(new Dimension(range));
IDictionary <Dimension, double> coordinatesBefore = new Dictionary <Dimension, double>();
IDictionary <Dimension, double> coordinatesAfter = new Dictionary <Dimension, double>();
foreach (Dimension dimension in dimensions)
{
coordinatesBefore.Add(dimension, 0);
coordinatesAfter.Add(dimension, 1);
}
MutableFirework mutableFirework = new MutableFirework(FireworkType.SpecificSpark, 0, coordinatesBefore);
MutableFirework mutateFirework = new MutableFirework(FireworkType.SpecificSpark, 1, coordinatesAfter); //present state mutable firework after mutate
FireworkExplosion explosion = CreateFireworkExplosion(mutableFirework);
ISparkGenerator generator = CreateAttractRepulseSparkGenerator();
generator.CreateSpark(explosion).Returns(mutateFirework);
AttractRepulseSparkMutator mutator = Substitute.For <AttractRepulseSparkMutator>(generator);
mutator.MutateFirework(ref mutableFirework, explosion);
Assert.NotNull(mutableFirework);
Assert.Equal(mutableFirework.BirthStepNumber, mutateFirework.BirthStepNumber);
Assert.Equal(mutableFirework.Quality, mutateFirework.Quality);
double dimensionValueBefore;
double dimensionValueAfter;
foreach (Dimension dimension in dimensions)
{
mutableFirework.Coordinates.TryGetValue(dimension, out dimensionValueBefore);
mutateFirework.Coordinates.TryGetValue(dimension, out dimensionValueAfter);
Assert.Equal(dimensionValueBefore, dimensionValueAfter);
}
}
