/Raven.Tests/Linq/IsNullOrEmpty.cs

using System.Linq;



using Raven.Tests.Common;



using Xunit;



namespace Raven.Tests.Linq

{

	public class IsNullOrEmpty : RavenTest

	{

		private class TestDoc

		{

			public string SomeProperty { get; set; }

		}



		[Fact]

		public void IsNullOrEmptyEqTrue()

		{

			using (var store = NewDocumentStore())

			{

				using (var session = store.OpenSession())

				{

					session.Store(new TestDoc { SomeProperty = "Has some content" });

					session.Store(new TestDoc { SomeProperty = "" });

					session.Store(new TestDoc { SomeProperty = null });

					session.SaveChanges();

				}



				using (var session = store.OpenSession())

				{

					Assert.Equal(2, session.Query<TestDoc>().Count(p => string.IsNullOrEmpty(p.SomeProperty)));

				}



				WaitForUserToContinueTheTest(store);

			}

		}



		[Fact]

		public void IsNullOrEmptyEqFalse()

		{

			using (var store = NewDocumentStore())

			{

				using (var session = store.OpenSession())

				{

					session.Store(new TestDoc { SomeProperty = "Has some content" });

					session.Store(new TestDoc { SomeProperty = "" });

					session.Store(new TestDoc { SomeProperty = null });

					session.SaveChanges();

				}



				using (var session = store.OpenSession())

				{

					Assert.Equal(1, session.Query<TestDoc>().Count(p => string.IsNullOrEmpty(p.SomeProperty) == false));

				}

			}

		}



		[Fact]

		public void IsNullOrEmptyNegated()

		{

			using (var store = NewDocumentStore())

			{

				using (var session = store.OpenSession())

				{

					session.Store(new TestDoc { SomeProperty = "Has some content" });

					session.Store(new TestDoc { SomeProperty = "" });

					session.Store(new TestDoc { SomeProperty = null });

					session.SaveChanges();

				}

				

				using (var session = store.OpenSession())

				{

					Assert.Equal(1, session.Query<TestDoc>().Count(p => !string.IsNullOrEmpty(p.SomeProperty)));

				}

			}

		}



		[Fact]

		public void WithAny()

		{

			using (var store = NewDocumentStore())

			{

				using (var session = store.OpenSession())

				{

					session.Store(new TestDoc { SomeProperty = "Has some content" });

					session.Store(new TestDoc { SomeProperty = "" });

					session.Store(new TestDoc { SomeProperty = null });

					session.SaveChanges();

				}



				using (var session = store.OpenSession())

				{

					Assert.Equal(1, session.Query<TestDoc>().Count(p => p.SomeProperty.Any()));

				}

			}

		}



		[Fact]

		public void WithAnyEqFalse()

		{

			using (var store = NewDocumentStore())

			{

				using (var session = store.OpenSession())

				{

					session.Store(new TestDoc { SomeProperty = "Has some content" });

					session.Store(new TestDoc { SomeProperty = "" });

					session.Store(new TestDoc { SomeProperty = null });

					session.SaveChanges();

				}



				using (var session = store.OpenSession())

				{

					Assert.Equal(2, session.Query<TestDoc>().Count(p => p.SomeProperty.Any() == false));

				}

			}

		}

	}

}