public void IsInvalidWhen_IsTrue_ButEstablishmentIsNotInstitution()
            {
                const bool isClaimingStudent = true;
                var establishment = new Establishment
                {
                    Type = new EstablishmentType
                    {
                        Category = new EstablishmentCategory
                        {
                            Code = "not an institution",
                        },
                    },
                };
                var command = new CreateAffiliationCommand
                {
                    IsClaimingStudent = isClaimingStudent
                };
                var entities = new Mock<IQueryEntities>(MockBehavior.Strict).Initialize();
                entities.Setup(m => m.Query<Establishment>()).Returns(new[] { establishment }.AsQueryable);
                entities.Setup(m => m.Query<Person>()).Returns(new Person[] { }.AsQueryable);
                var validator = new CreateAffiliationValidator(entities.Object);

                var results = validator.Validate(command);

                results.IsValid.ShouldBeFalse();
                results.Errors.Count.ShouldBeInRange(1, int.MaxValue);
                var error = results.Errors.SingleOrDefault(e => e.PropertyName == "IsClaimingStudent");
                error.ShouldNotBeNull();
                // ReSharper disable PossibleNullReferenceException
                error.ErrorMessage.ShouldEqual(string.Format(
                    ValidateAffiliation.FailedBecauseIsClaimingStudentButEstablishmentIsNotInstitution,
                        command.EstablishmentId));
                // ReSharper restore PossibleNullReferenceException
            }
            public void IsValidWhen_MatchesEstablishment_WithAnyTypeCategory()
            {
                const int establishmentId = 6;
                var command = new CreateAffiliationCommand { EstablishmentId = establishmentId };
                var establishment = new Establishment
                {
                    RevisionId = command.EstablishmentId,
                    Type = new EstablishmentType
                    {
                        Category = new EstablishmentCategory
                        {
                            Code = EstablishmentCategoryCode.Govt,
                        },
                    },
                };
                var entities = new Mock<IQueryEntities>(MockBehavior.Strict).Initialize();
                entities.Setup(m => m.Query<Establishment>()).Returns(new[] { establishment }.AsQueryable);
                entities.Setup(m => m.Query<Person>()).Returns(new Person[] { }.AsQueryable);
                var validator = new CreateAffiliationValidator(entities.Object);

                var results = validator.Validate(command);

                var error = results.Errors.SingleOrDefault(e => e.PropertyName == "EstablishmentId");
                error.ShouldBeNull();
            }
            public void ExecutesCreate_OnAffiliationEntity()
            {
                const int personId = 13;
                var person = new Person { RevisionId = personId, };
                var command = new CreateAffiliationCommand
                {
                    PersonId = personId,
                };
                var entities = new Mock<ICommandEntities>(MockBehavior.Strict).Initialize();
                entities.Setup(m => m.Get<Person>()).Returns(new[] { person }.AsQueryable);
                entities.Setup(m => m.Create(It.Is(AffiliationBasedOn(command))));
                var handler = new CreateAffiliationHandler(entities.Object);

                handler.Handle(command);

                entities.Verify(m => m.Create(It.Is(AffiliationBasedOn(command))), Times.Once());
            }
            public void ExecutesQuery_ForPerson()
            {
                const int personId = 13;
                var command = new CreateAffiliationCommand
                {
                    PersonId = personId,
                };
                var handler = new CreateAffiliationHandler(null);
                NullReferenceException exception = null;
                try
                {
                    handler.Handle(command);
                }
                catch (NullReferenceException ex)
                {
                    exception = ex;
                }

                exception.ShouldNotBeNull();
            }
            public void IsInvalidWhen_DoesNotMatchEstablishment()
            {
                const int establishmentId = 6;
                var command = new CreateAffiliationCommand { EstablishmentId = establishmentId };
                var entities = new Mock<IQueryEntities>(MockBehavior.Strict).Initialize();
                entities.Setup(m => m.Query<Establishment>()).Returns(new Establishment[] { }.AsQueryable);
                entities.Setup(m => m.Query<Person>()).Returns(new Person[] { }.AsQueryable);
                var validator = new CreateAffiliationValidator(entities.Object);

                var results = validator.Validate(command);

                results.IsValid.ShouldBeFalse();
                results.Errors.Count.ShouldBeInRange(1, int.MaxValue);
                var error = results.Errors.SingleOrDefault(e => e.PropertyName == "EstablishmentId");
                error.ShouldNotBeNull();
                // ReSharper disable PossibleNullReferenceException
                error.ErrorMessage.ShouldEqual(string.Format(
                    ValidateEstablishment.FailedBecauseIdMatchedNoEntity,
                        establishmentId));
                // ReSharper restore PossibleNullReferenceException
            }
            public void CreatesAffiliation_WithEstablishmentId()
            {
                Affiliation outEntity = null;
                const int personId = 13;
                const int establishmentId = 13;
                var person = new Person
                {
                    RevisionId = personId,
                };
                var command = new CreateAffiliationCommand
                {
                    PersonId = personId,
                    EstablishmentId = establishmentId,
                };
                var entities = new Mock<ICommandEntities>(MockBehavior.Strict).Initialize();
                entities.Setup(m => m.Get<Person>()).Returns(new[] { person }.AsQueryable);
                entities.Setup(m => m.Create(It.Is(AffiliationBasedOn(command))))
                    .Callback((Entity entity) => outEntity = (Affiliation)entity);
                var handler = new CreateAffiliationHandler(entities.Object);

                handler.Handle(command);

                outEntity.ShouldNotBeNull();
                outEntity.EstablishmentId.ShouldEqual(command.EstablishmentId);
            }
 private static Expression<Func<Affiliation, bool>> AffiliationBasedOn(CreateAffiliationCommand command)
 {
     Expression<Func<Affiliation, bool>> affiliationBasedOn = e =>
         e.EstablishmentId == command.EstablishmentId &&
         e.IsClaimingStudent == command.IsClaimingStudent &&
         e.IsClaimingEmployee == command.IsClaimingEmployee
     ;
     return affiliationBasedOn;
 }
            public void CreatesAffiliation_WithNotIsDefault_WhenPersonAlreadyHasDefaultAffiliation()
            {
                Affiliation outEntity = null;
                const int personId = 13;
                var person = new Person
                {
                    RevisionId = personId,
                    Affiliations = new Collection<Affiliation>
                    {
                        new Affiliation { IsDefault = true, }
                    }
                };
                var command = new CreateAffiliationCommand
                {
                    PersonId = personId,
                };
                var entities = new Mock<ICommandEntities>(MockBehavior.Strict).Initialize();
                entities.Setup(m => m.Get<Person>()).Returns(new[] { person }.AsQueryable);
                entities.Setup(m => m.Create(It.Is(AffiliationBasedOn(command))))
                    .Callback((Entity entity) => outEntity = (Affiliation)entity);
                var handler = new CreateAffiliationHandler(entities.Object);

                handler.Handle(command);

                outEntity.ShouldNotBeNull();
                outEntity.IsDefault.ShouldBeFalse();
            }
            public void IsValidWhen_PersonId_IsNotAlreadyAffiliatedWithEstablishment()
            {
                const int personId = 3;
                const int establishmentId = 7;
                var command = new CreateAffiliationCommand
                {
                    PersonId = personId,
                    EstablishmentId = establishmentId,
                };
                var person = new Person
                {
                    RevisionId = personId,
                    Affiliations = new[]
                    {
                        new Affiliation { EstablishmentId = 1 }
                    }
                };
                var entities = new Mock<IQueryEntities>(MockBehavior.Strict).Initialize();
                entities.Setup(m => m.Query<Establishment>()).Returns(new Establishment[] { }.AsQueryable);
                entities.Setup(m => m.Query<Person>()).Returns(new[] { person }.AsQueryable);
                var validator = new CreateAffiliationValidator(entities.Object);

                var results = validator.Validate(command);

                var error = results.Errors.SingleOrDefault(e => e.PropertyName == "PersonId");
                error.ShouldBeNull();
            }
            public void IsInvalidWhen_PersonId_IsAlreadyAffiliatedWithEstablishment()
            {
                const int personId = 3;
                const int establishmentId = 7;
                var command = new CreateAffiliationCommand
                {
                    PersonId = personId,
                    EstablishmentId = establishmentId,
                };
                var person = new Person
                {
                    RevisionId = personId,
                    Affiliations = new[]
                    {
                        new Affiliation { EstablishmentId = command.EstablishmentId }
                    }
                };
                var entities = new Mock<IQueryEntities>(MockBehavior.Strict).Initialize();
                entities.Setup(m => m.Query<Establishment>()).Returns(new Establishment[] { }.AsQueryable);
                entities.Setup(m => m.Query<Person>()).Returns(new[] { person }.AsQueryable);
                var validator = new CreateAffiliationValidator(entities.Object);

                var results = validator.Validate(command);

                results.IsValid.ShouldBeFalse();
                results.Errors.Count.ShouldBeInRange(1, int.MaxValue);
                var error = results.Errors.SingleOrDefault(e => e.PropertyName == "PersonId");
                error.ShouldNotBeNull();
                // ReSharper disable PossibleNullReferenceException
                error.ErrorMessage.ShouldEqual(string.Format(
                    ValidatePerson.FailedBecausePersonIsAlreadyAffiliatedWithEstablishment,
                        personId, establishmentId));
                // ReSharper restore PossibleNullReferenceException
            }
            public void ValidWhen_IsTrue_AndEstablishmentWasNull()
            {
                const bool isClaimingStudent = true;
                var command = new CreateAffiliationCommand
                {
                    IsClaimingStudent = isClaimingStudent
                };
                var entities = new Mock<IQueryEntities>(MockBehavior.Strict).Initialize();
                entities.Setup(m => m.Query<Establishment>()).Returns(new Establishment[] { }.AsQueryable);
                entities.Setup(m => m.Query<Person>()).Returns(new Person[] { }.AsQueryable);
                var validator = new CreateAffiliationValidator(entities.Object);

                var results = validator.Validate(command);

                var error = results.Errors.SingleOrDefault(e => e.PropertyName == "IsClaimingStudent");
                error.ShouldBeNull();
            }