public void Basic_EmptyTypes_AnyOrder()
{
// Arrange
var enricher1 = new Enricher1();
var enricher2 = new Enricher2();
var enricher3 = new Enricher3();
// Act
var result = EnricherSorter.Default.Sort(new IEnricher[] { enricher1, enricher2, enricher3 }).ToList();
// Assert
Assert.Equal(3, result.Count);
}
public void ExecuteBefore_CircularReference_InvalidOperationException()
{
// Arrange
var enricher1 = new Enricher1 {
ExecuteBefore = new[] { typeof(Enricher2) }
};
var enricher2 = new Enricher2 {
ExecuteBefore = new[] { typeof(Enricher1) }
};
var enricher3 = new Enricher3();
// Act/Assert
Assert.Throws <InvalidOperationException>(
() => EnricherSorter.Default.Sort(new IEnricher[] { enricher1, enricher2, enricher3 }).ToList());
}
public void ExecuteAfter_TwoDependsOnBoth_TwoIsLast()
{
// Arrange
var enricher1 = new Enricher1();
var enricher2 = new Enricher2 {
ExecuteAfter = new[] { typeof(Enricher1), typeof(Enricher3) }
};
var enricher3 = new Enricher3();
// Act
var result = EnricherSorter.Default.Sort(new IEnricher[] { enricher1, enricher2, enricher3 }).ToList();
// Assert
Assert.Equal(3, result.Count);
var index2 = result.IndexOf(enricher2);
Assert.Equal(2, index2);
}
public void ExecuteAfter_OneDependsOnThree_ThreeBeforeOne()
{
// Arrange
var enricher1 = new Enricher1 {
ExecuteAfter = new[] { typeof(Enricher3) }
};
var enricher2 = new Enricher2();
var enricher3 = new Enricher3();
// Act
var result = EnricherSorter.Default.Sort(new IEnricher[] { enricher1, enricher2, enricher3 }).ToList();
// Assert
Assert.Equal(3, result.Count);
var index1 = result.IndexOf(enricher1);
var index3 = result.IndexOf(enricher3);
Assert.True(index3 < index1);
}
public void Mixed_Chained_Sorted()
{
// Arrange
var enricher1 = new Enricher1 {
ExecuteAfter = new[] { typeof(Enricher2) }
};
var enricher2 = new Enricher2();
var enricher3 = new Enricher3 {
ExecuteBefore = new[] { typeof(Enricher2) }
};
// Act
var result = EnricherSorter.Default.Sort(new IEnricher[] { enricher1, enricher2, enricher3 }).ToList();
// Assert
Assert.Equal(3, result.Count);
Assert.Equal(enricher1, result[2]);
Assert.Equal(enricher2, result[1]);
Assert.Equal(enricher3, result[0]);
}