public void DocumentService_LookupAsync_ReturnsNoRecordsIfNotActive() { // Arrange var mockDbContextScopeFac = new Mock<IDbContextScopeFactory>(); var mockDbContextScope = new Mock<IDbContextReadOnlyScope>(); var mockEfDbContext = new Mock<EFDbContext>(); mockDbContextScopeFac.Setup(x => x.CreateReadOnly(DbContextScopeOption.JoinExisting)).Returns(mockDbContextScope.Object); mockDbContextScope.Setup(x => x.DbContexts.Get<EFDbContext>()).Returns(mockEfDbContext.Object); var projectPerson1 = new Person { Id = "dummyUserId1", FirstName = "Firs1", LastName = "Last1" }; var project1 = new Project { Id = "dummyId1", ProjectName = "Project1", ProjectAltName = "ProjectAlt1", IsActive_bl = true, ProjectCode = "CODE1", ProjectPersons = new List<Person> { projectPerson1 } }; var dbEntry1 = new Document { Id = "dummyEntryId1", DocName = "Doc1", DocAltName = "DocAlt1", IsActive_bl = true, DocFilePath = "DummyPath1" , AssignedToProject = project1 }; var dbEntry2 = new Document { Id = "dummyEntryId2", DocName = "Doc2", DocAltName = "DocAlt2", IsActive_bl = true, DocFilePath = "DummyPath2" , AssignedToProject = project1 }; var dbEntry3 = new Document { Id = "dummyEntryId3", DocName = "Doc3", DocAltName = "DocAlt3", IsActive_bl = false, DocFilePath = "DummyPath3" , AssignedToProject = project1 }; var dbEntries = (new List<Document> { dbEntry1, dbEntry2, dbEntry3 }).AsQueryable(); var mockDbSet = new Mock<DbSet<Document>>(); mockDbSet.As<IDbAsyncEnumerable<Document>>().Setup(m => m.GetAsyncEnumerator()).Returns(new MockDbAsyncEnumerator<Document>(dbEntries.GetEnumerator())); mockDbSet.As<IQueryable<Document>>().Setup(m => m.Provider).Returns(new MockDbAsyncQueryProvider<Document>(dbEntries.Provider)); mockDbSet.As<IQueryable<Document>>().Setup(m => m.Expression).Returns(dbEntries.Expression); mockDbSet.As<IQueryable<Document>>().Setup(m => m.ElementType).Returns(dbEntries.ElementType); mockDbSet.As<IQueryable<Document>>().Setup(m => m.GetEnumerator()).Returns(dbEntries.GetEnumerator()); mockDbSet.Setup(x => x.Include(It.IsAny<string>())).Returns(mockDbSet.Object); mockEfDbContext.Setup(x => x.Documents).Returns(mockDbSet.Object); var docService = new DocumentService(mockDbContextScopeFac.Object, projectPerson1.Id); //Act var returnedDocs = docService.LookupAsync("Doc3", true).Result; //Assert Assert.IsTrue(returnedDocs.Count == 0); }