@Test
public void averageExpressionLevel() {
double averageExpressionLevel =
subject.getAverageExpressionLevelOn(Sets.newHashSet(factor1, factor3));
assertThat(averageExpressionLevel, is(2.6005000000000003D));
averageExpressionLevel =
subject.getAverageExpressionLevelOn(
Sets.newHashSet(factor1, factor3, new Factor(QUERY_FACTOR_TYPE, "leg")));
assertThat(averageExpressionLevel, is(1.733666666666667D));
}
@Test
public void averageExpressionLevelOnEmptyCollection() {
// given
Set<Factor> queryFactors = Sets.newHashSet(mock(Factor.class));
// when
double averageExpressionLevel = subject.getAverageExpressionLevelOn(queryFactors);
// then
assertThat(averageExpressionLevel, is(0D));
}
@Test(expected = IllegalArgumentException.class)
public void shouldThrowExceptionWhenQueryFactorsIsEmpty() {
subject.getAverageExpressionLevelOn(new HashSet<Factor>());
}