public void ResolverUtility_GetLowestDistanceFromTarget()
{
// Arrange
var targets = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
targets.Add("A");
var packages = new List <ResolverPackage>()
{
CreatePackage("A", "1.0.0", "B", "1.0.0"),
CreatePackage("B", "1.0.0", "C", "1.0.0"),
CreatePackage("C", "1.0.0", "D", "1.0.0"),
CreatePackage("D", "1.0.0"),
};
// Act
var distanceA = ResolverUtility.GetLowestDistanceFromTarget("A", targets, packages);
var distanceB = ResolverUtility.GetLowestDistanceFromTarget("B", targets, packages);
var distanceC = ResolverUtility.GetLowestDistanceFromTarget("C", targets, packages);
var distanceD = ResolverUtility.GetLowestDistanceFromTarget("D", targets, packages);
var distanceE = ResolverUtility.GetLowestDistanceFromTarget("E", targets, packages);
// Assert
Assert.Equal(0, distanceA);
Assert.Equal(1, distanceB);
Assert.Equal(2, distanceC);
Assert.Equal(3, distanceD);
Assert.Equal(20, distanceE); // max, not found
}