LOL/Sources/TestUnitaire/TestEfLol.cs

using EFLol;
using Microsoft.Data.Sqlite;
using Microsoft.EntityFrameworkCore;

namespace TestUnitaire
{
	public class TestEfLol
	{
		[Theory]
		[InlineData("zeus","dieu")]
		[InlineData("zeus", "dieu")]
		[InlineData("zeus", "dieu")]
		public async Task TestAddInMemory(String name, String bio)
		{
			// Arrange
			var connection = new SqliteConnection("DataSource=:memory:");
			connection.Open();

			var options = new DbContextOptionsBuilder<MyDbContext>()
				.UseSqlite(connection)
				.Options;

			// Act
			using (var context = new MyDbContext(options))
			{
				await context.Database.EnsureCreatedAsync();
				var Dieu = new ChampionEntity
				{
					Name = name,
					Bio = bio
				};

				ChampionEntity found = await context.Champions.SingleOrDefaultAsync(c => c.Name == "Zeus");
				Assert.Null(found);

				await context.Champions.AddAsync(Dieu);
				await context.SaveChangesAsync();

				found = await context.Champions.SingleOrDefaultAsync(c => c.Name == name);
				Assert.NotNull(found);

				Assert.Equal(1, await context.Champions.CountAsync());
				Assert.Equal(name, found.Name);
			}
		}

		[Fact]
		public void ModifyTestInMemory()
        {//connection must be opened to use In-memory database
            var connection = new SqliteConnection("DataSource=:memory:");
            connection.Open();

            var options = new DbContextOptionsBuilder<MyDbContext>()
                .UseSqlite(connection)
                .Options;

            //prepares the database with one instance of the context
            using (var context = new MyDbContext(options))
            {
                //context.Database.OpenConnection();
                context.Database.EnsureCreated();

                ChampionEntity chewie = new ChampionEntity { Name = "Chewbacca", Bio = "Zeus is the king of the gods." };
                ChampionEntity yoda = new ChampionEntity { Name = "Yoda", Bio = "Zeus is the king of the gods." };
                ChampionEntity ewok = new ChampionEntity { Name = "Ewok", Bio = "Zeus is the king of the gods." };


                context.Champions.Add(chewie);
                context.Champions.Add(yoda);
                context.Champions.Add(ewok);
                context.SaveChanges();
            }

            //uses another instance of the context to do the tests
            using (var context = new MyDbContext(options))
            {
                context.Database.EnsureCreated();

                string nameToFind = "ew";
                Assert.Equal(2, context.Champions.Where(n => n.Name.ToLower().Contains(nameToFind)).Count());
                nameToFind = "wo";
                Assert.Equal(1, context.Champions.Where(n => n.Name.ToLower().Contains(nameToFind)).Count());
                var ewok = context.Champions.Where(n => n.Name.ToLower().Contains(nameToFind)).First();
                ewok.Name = "Wicket";
                context.SaveChanges();
            }

            //uses another instance of the context to do the tests
            using (var context = new MyDbContext(options))
            {
                context.Database.EnsureCreated();

                string nameToFind = "ew";
                Assert.Equal(1, context.Champions.Where(n => n.Name.ToLower().Contains(nameToFind)).Count());
                nameToFind = "wick";
                Assert.Equal(1, context.Champions.Where(n => n.Name.ToLower().Contains(nameToFind)).Count());
            }
        }
    }
}