Ejemplo n.º 1
0
        public async Task UpdateSucceedsIfChangeTokenMatches()
        {
            DbContextDataProvider <DefaultDataProvider, TestContext> provider = CreateProvider();
            string          changeToken = Guid.NewGuid().ToString("N");
            ITokenGenerator generator   = CreateTokenGenerator(changeToken);

            TestContext testContext = provider.GetContext();
            var         dbEntity    = new DbEntityWithChangeToken()
            {
                ChangeToken = changeToken
            };

            testContext.ChangeTokenEntities.Add(dbEntity);
            await testContext.SaveChangesAsync();

            TestContextChangeTokenRepository repository = CreateChangeTokenRepository(provider, generator);
            await repository.UpdateAsync(
                new EntityWithChangeToken { Id = dbEntity.Id, ChangeToken = changeToken },
                CancellationToken.None);
        }
Ejemplo n.º 2
0
        public async Task CreateInitializesChangeToken()
        {
            DbContextDataProvider <DefaultDataProvider, TestContext> provider = CreateProvider();
            string          changeToken = Guid.NewGuid().ToString("N");
            ITokenGenerator generator   = CreateTokenGenerator(changeToken);

            TestContextChangeTokenRepository repository = CreateChangeTokenRepository(provider, generator);

            EntityWithChangeToken result = await repository.CreateAsync(
                new EntityWithChangeToken(),
                CancellationToken.None);

            result.ChangeToken.Should()
            .Be(changeToken);

            DbEntityWithChangeToken dbEntity =
                await provider.GetContext()
                .ChangeTokenEntities.FirstAsync(e => e.Id == result.Id);

            dbEntity.ChangeToken.Should()
            .Be(changeToken);
        }
Ejemplo n.º 3
0
        public async Task UpdateThrowsIfChangeTokenDoesNotMatch()
        {
            DbContextDataProvider <DefaultDataProvider, TestContext> provider = CreateProvider();
            string          changeToken = Guid.NewGuid().ToString("N");
            ITokenGenerator generator   = CreateTokenGenerator(changeToken);

            TestContext testContext = provider.GetContext();
            var         dbEntity    = new DbEntityWithChangeToken()
            {
                ChangeToken = changeToken
            };

            testContext.ChangeTokenEntities.Add(dbEntity);
            await testContext.SaveChangesAsync();

            TestContextChangeTokenRepository repository = CreateChangeTokenRepository(provider, generator);

            await Assert.ThrowsAsync <EntityConcurrencyException>(
                () => repository.UpdateAsync(
                    new EntityWithChangeToken {
                Id = dbEntity.Id, ChangeToken = "abc"
            },
                    CancellationToken.None));
        }