public void Test_EntityRepo_Count() { var dbService = new TestDatabaseService(); var repository = new EntityRepository(dms, dbService, new SequenceProvider(dbService)); using (var ctx = dbService.GetDatabaseContext(true)) { #region prepare data var jordan = new Author() { FirstName = "Robert", LastName = "Jordan", IsAlive = false, Born = new DateTime(1948, 10, 17), Rating = 10.0m }; var feist = new Author() { FirstName = "Raymond", LastName = "Feist", IsAlive = true, Born = new DateTime(1963, 2, 14), Rating = 6.7m }; var fb1 = new Book() { Title = "The Apprentice", Price = 19.90m }; var fb2 = new Book() { Title = "The Magician", Price = 17.10m }; var jb1 = new Book() { Title = "The Shadow is Rising", Price = 21.15m }; var jb2 = new Book() { Title = "The Eye of the World", Price = 25.80m }; repository.Create(jordan); repository.Create(feist); repository.Create(fb1); repository.Create(fb2); repository.Create(jb1); repository.Create(jb2); repository.Attach(feist, new Relation("author", fb1)); repository.Attach(feist, new Relation("author", fb2)); repository.Attach(jordan, new Relation("author", jb1)); repository.Attach(jordan, new Relation("author", jb2)); #endregion var query = new EntityQuery2("author"); query.AddProperties("firstname", "lastname", "born"); var res = repository.Search(query); Assert.AreEqual(2, res.Count()); Assert.AreEqual(2, repository.Count(query)); //greater then EntityQuery2 q = new EntityQuery2("book"); q.WhereGreaterThen("price", 19.0m); Assert.AreEqual(3, repository.Search(q).Count()); Assert.AreEqual(3, repository.Count(q)); //less then q = new EntityQuery2("book"); q.WhereLessThen("price", 20.0m); Assert.AreEqual(2, repository.Search(q).Count()); Assert.AreEqual(2, repository.Count(q)); //is boolean q = new EntityQuery2("author"); q.WhereIs("isalive", false); var r = repository.Search(q); Assert.AreEqual(1, r.Count()); Assert.AreEqual(1, repository.Count(q)); //is string (ignore case) q = new EntityQuery2("author"); q.WhereIs("lastname", "jordan"); r = repository.Search(q); Assert.AreEqual(1, r.Count()); Assert.AreEqual(1, repository.Count(q)); //starts with q = new EntityQuery2("author"); q.WhereStartsWith("firstname", "ra"); r = repository.Search(q); Assert.AreEqual(1, r.Count()); Assert.AreEqual(1, repository.Count(q)); //ends with q = new EntityQuery2("book"); q.WhereEndsWith("title", "world"); r = repository.Search(q); Assert.AreEqual(1, r.Count()); Assert.AreEqual(1, repository.Count(q)); //less then q = new EntityQuery2("book"); q.WhereAnyOf("id", new object[] { fb1.Id, jb1.Id, jb2.Id }); Assert.AreEqual(3, repository.Search(q).Count()); Assert.AreEqual(3, repository.Count(q)); //between decimal q = new EntityQuery2("book"); q.WhereBetween("price", 19.0m, 22.0m); Assert.AreEqual(2, repository.Search(q).Count()); Assert.AreEqual(2, repository.Count(q)); //between datetime q = new EntityQuery2("author"); q.WhereBetween("born", new DateTime(1948, 1, 1), new DateTime(1949, 1, 1)); r = repository.Search(q); Assert.AreEqual(1, r.Count()); Assert.AreEqual(1, repository.Count(q)); q = new EntityQuery2("author"); q.WhereBetween("born", new DateTime(1948, 1, 1), new DateTime(1949, 1, 1)); q.WhereIs("isalive", true); Assert.AreEqual(0, repository.Search(q).Count()); Assert.AreEqual(0, repository.Count(q)); q = new EntityQuery2("author"); q.WhereBetween("born", new DateTime(1960, 1, 1), new DateTime(1970, 1, 1)); q.WhereIs("isalive", true); q.WhereStartsWith("firstname", "ra"); Assert.AreEqual(1, repository.Search(q).Count()); Assert.AreEqual(1, repository.Count(q)); } }