public void should_correctly_add_relationships()
{
var expectedWeight = -0.8f;
var illegalTag = 1;
var lawfulTag = 2;
var tagRegistry = new TagRegistry();
tagRegistry.AddRelationship(illegalTag, lawfulTag, expectedWeight);
Assert.Equal(1, tagRegistry.TagRelations.Count);
Assert.True(tagRegistry.TagRelations.ContainsKey(illegalTag));
Assert.Equal(1, tagRegistry.TagRelations[illegalTag].Count);
Assert.Equal(new TagWeighting(lawfulTag, expectedWeight), tagRegistry.TagRelations[illegalTag].First());
}