public void CallingSequenceReturnsCreateSequenceExpression()
        {
            var collectionMock = new Mock<ICollection<IMigrationExpression>>();
            var contextMock = new Mock<IMigrationContext>();
            contextMock.Setup(x => x.Expressions).Returns(collectionMock.Object);

            var root = new CreateExpressionRoot(contextMock.Object);
            var builder = root.Sequence("Bacon");

            builder.ShouldBeOfType<CreateSequenceExpressionBuilder>();
            contextMock.VerifyGet(x => x.Expressions);
        }
        public void CallingSequenceAddsCreateSequenceExpressionToContextWithSpecifiedNameSet()
        {
            var collectionMock = new Mock<ICollection<IMigrationExpression>>();

            var contextMock = new Mock<IMigrationContext>();
            contextMock.Setup(x => x.Expressions).Returns(collectionMock.Object);

            var root = new CreateExpressionRoot(contextMock.Object);
            root.Sequence("Bacon");

            collectionMock.Verify(x => x.Add(It.Is<CreateSequenceExpression>(e => e.Sequence.Name.Equals("Bacon"))));
            contextMock.VerifyGet(x => x.Expressions);
        }