C# (CSharp) System.Data.Entity.Infrastructure.Interception DbCommandInterceptionContext.FindUserState示例

示例#1

        public void Cloning_the_interception_context_preserves_contextual_information_but_not_mutable_state(bool useObsoleteState)
        {
            var objectContext = new ObjectContext();
            var dbContext     = DbContextMockHelper.CreateDbContext(objectContext);

            var interceptionContext = new DbCommandInterceptionContext <string>();

            var mutableData = ((IDbMutableInterceptionContext <string>)interceptionContext).MutableData;

            mutableData.SetExecuted("Wensleydale");
            mutableData.SetExceptionThrown(new Exception("Cheez Whiz"));

            if (useObsoleteState)
            {
#pragma warning disable 618
                mutableData.UserState = new object();
#pragma warning restore 618
            }
            else
            {
                mutableData.SetUserState("A", "AState");
                mutableData.SetUserState("B", "BState");
            }

            interceptionContext = interceptionContext
                                  .WithDbContext(dbContext)
                                  .WithObjectContext(objectContext)
                                  .AsAsync()
                                  .WithCommandBehavior(CommandBehavior.SchemaOnly);

            Assert.Equal(new[] { objectContext }, interceptionContext.ObjectContexts);
            Assert.Equal(new[] { dbContext }, interceptionContext.DbContexts);
            Assert.True(interceptionContext.IsAsync);
            Assert.Equal(CommandBehavior.SchemaOnly, interceptionContext.CommandBehavior);

            Assert.Null(interceptionContext.Result);
            Assert.Null(interceptionContext.OriginalResult);
            Assert.Null(interceptionContext.Exception);
            Assert.Null(interceptionContext.OriginalException);

            if (useObsoleteState)
            {
#pragma warning disable 618
                Assert.Null(interceptionContext.UserState);
#pragma warning restore 618
            }
            else
            {
                Assert.Null(interceptionContext.FindUserState("A"));
                Assert.Null(interceptionContext.FindUserState("B"));
            }

            Assert.False(interceptionContext.IsExecutionSuppressed);
        }

示例#2

        public void Result_can_be_mutated(bool useObsoleteState)
        {
            var interceptionContext = new DbCommandInterceptionContext <string>();

            Assert.Null(interceptionContext.Result);
            Assert.Null(interceptionContext.OriginalResult);
            Assert.Null(interceptionContext.Exception);
            Assert.Null(interceptionContext.OriginalException);
            if (useObsoleteState)
            {
#pragma warning disable 618
                Assert.Null(interceptionContext.UserState);
#pragma warning restore 618
            }
            else
            {
                Assert.Null(interceptionContext.FindUserState("A"));
                Assert.Null(interceptionContext.FindUserState("B"));
            }
            Assert.False(interceptionContext.IsExecutionSuppressed);

            ((IDbMutableInterceptionContext <string>)interceptionContext).MutableData.SetExecuted("Wensleydale");

            Assert.Equal("Wensleydale", interceptionContext.Result);
            Assert.Equal("Wensleydale", interceptionContext.OriginalResult);
            Assert.Null(interceptionContext.Exception);
            Assert.Null(interceptionContext.OriginalException);
            if (useObsoleteState)
            {
#pragma warning disable 618
                Assert.Null(interceptionContext.UserState);
#pragma warning restore 618
            }
            else
            {
                Assert.Null(interceptionContext.FindUserState("A"));
                Assert.Null(interceptionContext.FindUserState("B"));
            }
            Assert.False(interceptionContext.IsExecutionSuppressed);

            interceptionContext.Result = "Double Gloucester";
            if (useObsoleteState)
            {
#pragma warning disable 618
                interceptionContext.UserState = "Cheddar";
#pragma warning restore 618
            }
            else
            {
                interceptionContext.SetUserState("A", "AState");
                interceptionContext.SetUserState("B", "BState");
            }
            Assert.Equal("Double Gloucester", interceptionContext.Result);
            Assert.Equal("Wensleydale", interceptionContext.OriginalResult);
            if (useObsoleteState)
            {
#pragma warning disable 618
                Assert.Equal("Cheddar", interceptionContext.UserState);
#pragma warning restore 618
            }
            else
            {
                Assert.Equal("AState", interceptionContext.FindUserState("A"));
                Assert.Equal("BState", interceptionContext.FindUserState("B"));
                Assert.Null(interceptionContext.FindUserState("C"));
            }
            Assert.False(interceptionContext.IsExecutionSuppressed);
            Assert.False(interceptionContext.IsExecutionSuppressed);

            interceptionContext.Result = null;
            if (useObsoleteState)
            {
#pragma warning disable 618
                interceptionContext.UserState = null;
#pragma warning restore 618
            }
            else
            {
                interceptionContext.SetUserState("A", null);
                interceptionContext.SetUserState("B", null);
            }
            Assert.Null(interceptionContext.Result);
            if (useObsoleteState)
            {
#pragma warning disable 618
                Assert.Null(interceptionContext.UserState);
#pragma warning restore 618
            }
            else
            {
                Assert.Null(interceptionContext.FindUserState("A"));
                Assert.Null(interceptionContext.FindUserState("B"));
            }
            Assert.Equal("Wensleydale", interceptionContext.OriginalResult);
            Assert.False(interceptionContext.IsExecutionSuppressed);
        }