public void GetTagThrowsExceptionIfTagDoesNotExist()
{
var target = new DatabaseContext();
var result = target.GetTag("SomeNewTag");
Assert.IsNull(result);
}
public void GetTagReturnsTagIfTagExists()
{
var target = new DatabaseContext();
var tag = TestTag();
var db = new PresentationsEntities();
db.Tags.Add(tag);
db.SaveChanges();
var result = target.GetTag(tag.Text);
Assert.IsTrue(tag.Text.Equals(result.Text));
}