public void Execute_PassWordAndVocabularyReturnEmptyResults_ReturnNoSuchWord()
        {
            // Arrange
            var word    = "aaa";
            var command = new GetCommand(VocabularyStubFactory.Get(word, new string[0]));

            // Act
            var result = command.Execute(new [] { word });

            // Assert
            Assert.AreEqual(result, Default.NoSuchWord);
        }
        public void Execute_PassWordAndVocabularyReturnsMeans_ReturnMeansLineByLine()
        {
            // Arrange
            var word    = "aaa";
            var means   = new [] { "bbb", "ccc" };
            var command = new GetCommand(VocabularyStubFactory.Get(word, means));

            // Act
            var result = command.Execute(new[] { word });

            // Assert
            Assert.AreEqual(result, $"{means[0]}\r\n{means[1]}\r\n");
        }