public void TestSingleWord()
{
var index = new WordIndex();
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[0]));
index.Add("w1", "attr2");
index.Add("w1", "attr1");
index.Add("w1", "attr3");
Assert.Throws<ArgumentException>(() => index.Add("w1", "attr1"));
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[] {"attr1", "attr2", "attr3"}));
Assert.That(index.GetWordNames("attr1"), Is.EquivalentTo(new string[] {"w1"}));
Assert.That(index.GetWordNames("attr2"), Is.EquivalentTo(new string[] {"w1"}));
Assert.That(index.GetWordNames("attr3"), Is.EquivalentTo(new string[] {"w1"}));
Assert.Throws<KeyNotFoundException>(() => index.Remove("wX", "attr1"));
Assert.Throws<KeyNotFoundException>(() => index.Remove("w1", "attrX"));
index.Remove("w1", "attr2");
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[] {"attr1", "attr3"}));
Assert.That(index.GetWordNames("attr1"), Is.EquivalentTo(new string[] {"w1"}));
Assert.That(index.GetWordNames("attr2"), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr3"), Is.EquivalentTo(new string[] {"w1"}));
index.Remove("w1", "attr1");
index.Remove("w1", "attr3");
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr1"), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr2"), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr3"), Is.EquivalentTo(new string[0]));
}
public void TestUpdate()
{
var index = new WordIndex();
index.Update(null, new List<string>(), "w1", new List<string> {"attr1"});
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[] {"attr1"}));
Assert.That(index.GetWordNames("attr1"), Is.EquivalentTo(new string[] {"w1"}));
index.Update("w1", new List<string> {"attr1"}, "w1", new List<string> {"attr2", "attr3"});
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[] {"attr2", "attr3"}));
Assert.That(index.GetWordNames("attr1"), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr2"), Is.EquivalentTo(new string[] {"w1"}));
Assert.That(index.GetWordNames("attr3"), Is.EquivalentTo(new string[] {"w1"}));
index.Update("w1", new List<string> {"attr2", "attr3"}, "w2", new List<string> {"attr3", "attr1"});
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[] {"attr1", "attr3"}));
Assert.That(index.GetWordNames("attr1"), Is.EquivalentTo(new string[] {"w2"}));
Assert.That(index.GetWordNames("attr2"), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr3"), Is.EquivalentTo(new string[] {"w2"}));
}
