JustMock Lite (Free Mocking Framework For .net)，justmockmocking

JustMock Lite (Free Mocking Framework For .net)，justmockmocking

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     3.   幫助文檔

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     MockingContainer

測試類准備：一般來說也是業務類

    public class ClassUnderTest
    {
        private IFirstDependency firstDep;
        private ISecondDependency secondDep;

        public ClassUnderTest(IFirstDependency first, ISecondDependency second)
        {
            this.firstDep = first;
            this.secondDep = second;
        }

        public IList<object> CollectionMethod()
        {
            var firstCollection = firstDep.GetList();

            return firstCollection;
        }

        public string StringMethod()
        {
            var secondString = secondDep.GetString();

            return secondString;
        }
    }

    public interface IFirstDependency
    {
        IList<object> GetList();
    }

    public interface ISecondDependency
    {
        string GetString();
    }

　　單元測試

        [TestMethod]
        public void ShouldMockDependenciesWithContainer()
        {
            // ARRANGE
            // Creating a MockingContainer of ClassUnderTest. 
            // To instantiate the system uder test (the container) you should use the Instance property 
            // For example: container.Instance. 
            var container = new MockingContainer<ClassUnderTest>();

            string expectedString = "Test";

            // Arranging: When the GetString() method from the ISecondDependecy interface 
            //              is called from the container, it should return expectedString. 
            container.Arrange<ISecondDependency>(
               secondDep => secondDep.GetString()).Returns(expectedString);

            // ACT - Calling SringMethod() from the mocked instance of ClassUnderTest
            var actualString = container.Instance.StringMethod();

            // ASSERT
            Assert.AreEqual(expectedString, actualString);
        }

　　需要說明的是MockingContainer構造函數有一個可選參數AutoMockSettings，其中AutoMockSettings最主要的一個作用的是當ClassUnderTest有多個構造函數時，指定合適的構造函數來實例化對象

     當業務類中有一個無參構造函數，一個有參構造函數，在沒有設置AutoMockSettings的情況下會默認執行無參構造函數，

    可以像下面這樣來指定需要的構造函數

        AutoMockSettings settings = new AutoMockSettings
            {
                ConstructorArgTypes = new Type[]{
                  typeof(IFirstDependency),typeof(ISecondDependency)
                }
            };

            // ARRANGE
            // Creating a MockingContainer of ClassUnderTest. 
            // To instantiate the system uder test (the container) you should use the Instance property 
            // For example: container.Instance. 
            var container = new MockingContainer<ClassUnderTest>(settings);