public void Extant_value_cleared_from_repository()
        {
            // Where
            TestRecorder.Add("something", 2);

            // When
            TestCommand.Execute("clear");

            // Then
            Assert.Throws(
                typeof(KeyNotFoundException),
                delegate()
                { TestRecorder.GetValueByKey("something"); });
        }
        public void New_value_is_added_to_empty_repository()
        {
            TestCommand.Execute("value key 1");

            Assert.That(TestRecorder.GetValueByKey("key"), Is.EqualTo(1));
        }